1_diff --git a/config.sub b/config.sub
2index 707e9e2efe8d..59dd372ec16c 100755
3--- a/config.sub
4+++ b/config.sub
5@@ -1359,6 +1359,7 @@ case $os in
6 	      | -sym* | -kopensolaris* | -plan9* \
7 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
8 	      | -aos* | -aros* \
9+	      | -barrelfish* \
10 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
11 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
12 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
13diff --git a/gcc/config.gcc b/gcc/config.gcc
14index 92d57ddf4fb3..8e794e895be0 100644
15--- a/gcc/config.gcc
16+++ b/gcc/config.gcc
17@@ -683,6 +683,12 @@ case ${target} in
18   tmake_file="${tmake_file} t-glibc"
19   target_has_targetcm=yes
20   ;;
21+*-*-barrelfish*)
22+  gas=yes
23+  gnu_ld=yes
24+  default_use_cxa_atexit=yes
25+  use_gcc_stdint=wrap
26+  ;;
27 *-*-netbsd*)
28   tmake_file="t-slibgcc"
29   gas=yes
30@@ -1212,9 +1218,18 @@ x86_64-*-darwin*)
31 i[34567]86-*-elf*)
32 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
33 	;;
34+i[34567]86-pc-barrelfish*)
35+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/barrelfish-x86_32.h"
36+	;;
37+i[34567]86-scc-barrelfish*)
38+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/barrelfish-scc.h"
39+	;;
40 x86_64-*-elf*)
41 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
42 	;;
43+x86_64-*-barrelfish*)
44+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h i386/barrelfish-x86_64.h"
45+	;;
46 i[34567]86-*-rdos*)
47     tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/rdos.h"
48     ;;
49diff --git a/gcc/config/i386/barrelfish-scc.h b/gcc/config/i386/barrelfish-scc.h
50new file mode 100644
51index 000000000000..930451c4dcdb
52--- /dev/null
53+++ b/gcc/config/i386/barrelfish-scc.h
54@@ -0,0 +1,72 @@
55+#define BF_SRC   "{{BF_SRC}}"
56+#define BF_BUILD "{{BF_BUILD}}"
57+
58+#undef TARGET_OS_CPP_BUILTINS
59+#define TARGET_OS_CPP_BUILTINS()                        \
60+  do {                                                  \
61+    builtin_define ("BARRELFISH");                      \
62+    builtin_define_std ("barrelfish");                  \
63+    builtin_define_std ("unix");                        \
64+    builtin_define_std ("scc");                         \
65+    builtin_define ("CONFIG_LAZY_THC");                 \
66+    builtin_define ("CONFIG_NEWLIB");                   \
67+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_LMP");  \
68+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_UMP");  \
69+    builtin_define ("CONFIG_FLOUNDER_BACKEND_LMP");     \
70+    builtin_define ("CONFIG_FLOUNDER_BACKEND_UMP_IPI"); \
71+    builtin_define ("BF_BUILD_DIR=\"" BF_BUILD "\"");   \
72+    builtin_define ("BF_SRC_DIR=\"" BF_SRC "\"");       \
73+    builtin_assert ("system=barrelfish");               \
74+    builtin_assert ("system=unix");                     \
75+  } while(0);
76+
77+#undef  CC1_SPEC
78+#define CC1_SPEC "%(cc1_cpu) -mno-red-zone"
79+
80+/* Default #includes are defined in 'hake/ArchDefaults.hs' (see 'cStdIncs'). */
81+#undef  CPP_SPEC
82+#define CPP_SPEC                                       \
83+  "-isystem" BF_SRC "/include "                        \
84+  "-isystem" BF_SRC "/include/arch/scc "               \
85+  "-isystem" BF_SRC "/include/arch/x86_32 "            \
86+  "-isystem" BF_SRC "/lib/newlib/newlib/libc/include " \
87+  "-isystem" BF_SRC "/include/c "                      \
88+  "-isystem" BF_SRC "/include/target/x86_32 "          \
89+  "-isystem" BF_SRC "/include/ipv4 "                   \
90+  "-isystem" BF_BUILD "/scc/include "                  \
91+  "-isystem" BF_BUILD "/scc/include/dev"
92+
93+/* Default libraries are specified in 'hake/ArchDefaults.hs' (see 'stdLibs').
94+   Follows the order given by 'libDeps' in '{BF_SRC}/hake/RuleDefs.hs'. */
95+#undef LIB_SPEC
96+#define LIB_SPEC                  \
97+  "-L" BF_BUILD "/scc/lib "       \
98+  "-lbarrelfish "                 \
99+  "-loctopus_parser "             \
100+  BF_BUILD "/scc/errors/errno.o " \
101+  "-lnewlib "                     \
102+  "-lposixcompat "                \
103+  "-lvfs "                        \
104+  "-lahci "                       \
105+  "-lnfs "                        \
106+  "-lwip "                        \
107+  "-lbarrelfish "                 \
108+  "-lnewlib"
109+
110+#undef  STARTFILE_SPEC
111+#define STARTFILE_SPEC             \
112+  BF_BUILD "/scc/lib/crt0.o%s "    \
113+  BF_BUILD "/scc/lib/crtbegin.o%s"
114+
115+#undef  ENDFILE_SPEC
116+#define ENDFILE_SPEC                                                \
117+  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
118+  "%{mpc32:crtprec32.o%s} "                                         \
119+  "%{mpc64:crtprec64.o%s} "                                         \
120+  "%{mpc80:crtprec80.o%s} "                                         \
121+  BF_BUILD "/scc/lib/crtend.o%s "                                   \
122+  "-lcollections"
123+
124+/* System header files are C++ ready so don't wrap in extern "C". */
125+#undef  NO_IMPLICIT_EXTERN_C
126+#define NO_IMPLICIT_EXTERN_C  1
127diff --git a/gcc/config/i386/barrelfish-x86_32.h b/gcc/config/i386/barrelfish-x86_32.h
128new file mode 100644
129index 000000000000..84d0bf56721c
130--- /dev/null
131+++ b/gcc/config/i386/barrelfish-x86_32.h
132@@ -0,0 +1,74 @@
133+#define BF_SRC   "{{BF_SRC}}"
134+#define BF_BUILD "{{BF_BUILD}}"
135+
136+#undef TARGET_OS_CPP_BUILTINS
137+#define TARGET_OS_CPP_BUILTINS()                       \
138+  do {                                                 \
139+    builtin_define ("BARRELFISH");                     \
140+    builtin_define_std ("barrelfish");                 \
141+    builtin_define_std ("unix");                       \
142+    builtin_define ("CONFIG_LAZY_THC");                \
143+    builtin_define ("CONFIG_NEWLIB");                  \
144+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_LMP"); \
145+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_UMP"); \
146+    builtin_define ("CONFIG_FLOUNDER_BACKEND_LMP");    \
147+    builtin_define ("CONFIG_FLOUNDER_BACKEND_UMP");    \
148+    builtin_define ("BF_BUILD_DIR=\"" BF_BUILD "\"");  \
149+    builtin_define ("BF_SRC_DIR=\"" BF_SRC "\"");      \
150+    builtin_assert ("system=barrelfish");              \
151+    builtin_assert ("system=unix");                    \
152+  } while(0);
153+
154+#undef  CC1_SPEC
155+#define CC1_SPEC "%(cc1_cpu) -mno-red-zone"
156+
157+/* Default #includes are defined in 'hake/ArchDefaults.hs' (see 'cStdIncs'). */
158+#undef  CPP_SPEC
159+#define CPP_SPEC                                       \
160+  "-isystem" BF_SRC "/include "                        \
161+  "-isystem" BF_SRC "/include/arch/x86_32 "            \
162+  "-isystem" BF_SRC "/lib/newlib/newlib/libc/include " \
163+  "-isystem" BF_SRC "/include/c "                      \
164+  "-isystem" BF_SRC "/include/target/x86_32 "          \
165+  "-isystem" BF_SRC "/lib/lwip/src/include "           \
166+  "-isystem" BF_SRC "/lib/lwip/src/include/ipv4 "      \
167+  "-isystem" BF_BUILD "/x86_32/include "               \
168+  "-isystem" BF_BUILD "/x86_32/include/dev"
169+
170+/* Default libraries are specified in 'hake/ArchDefaults.hs' (see 'stdLibs').
171+   Follows the order given by 'libDeps' in '{BF_SRC}/hake/RuleDefs.hs'. */
172+#undef LIB_SPEC
173+#define LIB_SPEC                     \
174+  "-L" BF_BUILD "/x86_32/lib "       \
175+  "-lbarrelfish "                    \
176+  "-loctopus_parser "                \
177+  BF_BUILD "/x86_32/errors/errno.o " \
178+  "-lnewlib "                        \
179+  "-lposixcompat "                   \
180+  "-lvfs "                           \
181+  "-lahci "                          \
182+  "-lnfs "                           \
183+  "-lwip "                           \
184+  "-lnet_if_raw "                    \
185+  "-lbarrelfish "                    \
186+  "-lterm_client "                   \
187+  "-lterm_server "                   \
188+  "-lnewlib"
189+
190+#undef  STARTFILE_SPEC
191+#define STARTFILE_SPEC                \
192+  BF_BUILD "/x86_32/lib/crt0.o%s "    \
193+  BF_BUILD "/x86_32/lib/crtbegin.o%s"
194+
195+#undef  ENDFILE_SPEC
196+#define ENDFILE_SPEC                                                \
197+  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
198+  "%{mpc32:crtprec32.o%s} "                                         \
199+  "%{mpc64:crtprec64.o%s} "                                         \
200+  "%{mpc80:crtprec80.o%s} "                                         \
201+  BF_BUILD "/x86_32/lib/crtend.o%s "                                \
202+  "-lcollections"
203+
204+/* System header files are C++ ready so don't wrap in extern "C". */
205+#undef  NO_IMPLICIT_EXTERN_C
206+#define NO_IMPLICIT_EXTERN_C  1
207diff --git a/gcc/config/i386/barrelfish-x86_64.h b/gcc/config/i386/barrelfish-x86_64.h
208new file mode 100644
209index 000000000000..8608b62b1019
210--- /dev/null
211+++ b/gcc/config/i386/barrelfish-x86_64.h
212@@ -0,0 +1,74 @@
213+#define BF_SRC   "{{BF_SRC}}"
214+#define BF_BUILD "{{BF_BUILD}}"
215+
216+#undef TARGET_OS_CPP_BUILTINS
217+#define TARGET_OS_CPP_BUILTINS()                       \
218+  do {                                                 \
219+    builtin_define ("BARRELFISH");                     \
220+    builtin_define_std ("barrelfish");                 \
221+    builtin_define_std ("unix");                       \
222+    builtin_define ("CONFIG_LAZY_THC");                \
223+    builtin_define ("CONFIG_NEWLIB");                  \
224+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_LMP"); \
225+    builtin_define ("CONFIG_INTERCONNECT_DRIVER_UMP"); \
226+    builtin_define ("CONFIG_FLOUNDER_BACKEND_LMP");    \
227+    builtin_define ("CONFIG_FLOUNDER_BACKEND_UMP");    \
228+    builtin_define ("BF_BUILD_DIR=\"" BF_BUILD "\"");  \
229+    builtin_define ("BF_SRC_DIR=\"" BF_SRC "\"");      \
230+    builtin_assert ("system=barrelfish");              \
231+    builtin_assert ("system=unix");                    \
232+  } while(0);
233+
234+#undef  CC1_SPEC
235+#define CC1_SPEC "%(cc1_cpu) -mno-red-zone"
236+
237+/* Default #includes are defined in 'hake/ArchDefaults.hs' (see 'cStdIncs'). */
238+#undef  CPP_SPEC
239+#define CPP_SPEC                                       \
240+  "-isystem" BF_SRC "/include "                        \
241+  "-isystem" BF_SRC "/include/arch/x86_64 "            \
242+  "-isystem" BF_SRC "/lib/newlib/newlib/libc/include " \
243+  "-isystem" BF_SRC "/include/c "                      \
244+  "-isystem" BF_SRC "/include/target/x86_64 "          \
245+  "-isystem" BF_SRC "/lib/lwip/src/include "           \
246+  "-isystem" BF_SRC "/lib/lwip/src/include/ipv4 "	\
247+  "-isystem" BF_BUILD "/x86_64/include "               \
248+  "-isystem" BF_BUILD "/x86_64/include/dev"
249+
250+/* Default libraries are specified in 'hake/ArchDefaults.hs' (see 'stdLibs').
251+   Follows the order given by 'libDeps' in '{BF_SRC}/hake/RuleDefs.hs'. */
252+#undef LIB_SPEC
253+#define LIB_SPEC                     \
254+  "-L" BF_BUILD "/x86_64/lib "       \
255+  "-lbarrelfish "                    \
256+  "-loctopus_parser "                \
257+  BF_BUILD "/x86_64/errors/errno.o " \
258+  "-lnewlib "                        \
259+  "-lposixcompat "                   \
260+  "-lvfs "                           \
261+  "-lahci "                          \
262+  "-lnfs "                           \
263+  "-larranet "                       \
264+  "-lnet_if_raw "                    \
265+  "-lbarrelfish "                    \
266+  "-lterm_client "                   \
267+  "-lterm_server "                   \
268+  "-lnewlib"
269+
270+#undef  STARTFILE_SPEC
271+#define STARTFILE_SPEC                \
272+  BF_BUILD "/x86_64/lib/crt0.o%s "    \
273+  BF_BUILD "/x86_64/lib/crtbegin.o%s"
274+
275+#undef  ENDFILE_SPEC
276+#define ENDFILE_SPEC                                                \
277+  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} " \
278+  "%{mpc32:crtprec32.o%s} "                                         \
279+  "%{mpc64:crtprec64.o%s} "                                         \
280+  "%{mpc80:crtprec80.o%s} "                                         \
281+  BF_BUILD "/x86_64/lib/crtend.o%s "                                \
282+  "-lcollections"
283+
284+/* System header files are C++ ready so don't wrap in extern "C". */
285+#undef  NO_IMPLICIT_EXTERN_C
286+#define NO_IMPLICIT_EXTERN_C  1
287diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
288index b04dd659abd8..4fe4906df44e 100644
289--- a/gcc/ginclude/stddef.h
290+++ b/gcc/ginclude/stddef.h
291@@ -198,7 +198,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
292 #define _GCC_SIZE_T
293 #define _SIZET_
294 #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
295-  || defined(__FreeBSD_kernel__)
296+  || defined(__FreeBSD_kernel__) || defined(__barrelfish__)
297 /* __size_t is a typedef on FreeBSD 5, must not trash it. */
298 #elif defined (__VMS__)
299 /* __size_t is also a typedef on VMS.  */
300diff --git a/gcc/testsuite/g++.dg/dg.exp b/gcc/testsuite/g++.dg/dg.exp
301index 720135942bbf..e65f8891ef1e 100644
302--- a/gcc/testsuite/g++.dg/dg.exp
303+++ b/gcc/testsuite/g++.dg/dg.exp
304@@ -31,6 +31,7 @@ dg-init
305 # Gather a list of all tests, with the exception of those in directories
306 # that are handled specially.
307 set tests [lsort [find $srcdir/$subdir *.C]]
308+set tests [prune $tests $srcdir/$subdir/eh/*]
309 set tests [prune $tests $srcdir/$subdir/bprob/*]
310 set tests [prune $tests $srcdir/$subdir/charset/*]
311 set tests [prune $tests $srcdir/$subdir/compat/*]
312diff --git a/libgcc/config.host b/libgcc/config.host
313index 259c9a725f98..609b6a541c4f 100644
314--- a/libgcc/config.host
315+++ b/libgcc/config.host
316@@ -199,6 +199,10 @@ case ${host} in
317   tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux"
318   extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
319   ;;
320+*-*-barrelfish*)
321+  tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip"
322+  extra_parts="crtbegin.o crtend.o"
323+  ;;
324 *-*-lynxos*)
325   tmake_file="$tmake_file t-lynx $cpu_type/t-crtstuff t-crtstuff-pic t-libgcc-pic"
326   extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
327@@ -523,6 +527,10 @@ i[34567]86-*-linux*)
328 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
329 	md_unwind_header=i386/linux-unwind.h
330 	;;
331+i[34567]86-*-barrelfish*)
332+	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
333+	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
334+	;;
335 i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
336 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
337 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
338@@ -532,6 +540,10 @@ x86_64-*-linux*)
339 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
340 	md_unwind_header=i386/linux-unwind.h
341 	;;
342+x86_64-*-barrelfish*)
343+	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
344+	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
345+	;;
346 x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
347 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
348 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
349diff --git a/libiberty/clock.c b/libiberty/clock.c
350index 07d902e8a160..4d5817a30cf9 100644
351--- a/libiberty/clock.c
352+++ b/libiberty/clock.c
353@@ -66,7 +66,7 @@ number of seconds used.
354 
355 /* FIXME: should be able to declare as clock_t. */
356 
357-long
358+clock_t
359 clock (void)
360 {
361 #ifdef HAVE_GETRUSAGE
362diff --git a/libiberty/gettimeofday.c b/libiberty/gettimeofday.c
363index fca16794028e..88f2f5ae70d3 100644
364--- a/libiberty/gettimeofday.c
365+++ b/libiberty/gettimeofday.c
366@@ -19,7 +19,7 @@ that @var{tz} be NULL.  Returns 0 on success, -1 on failure.
367 */ 
368 
369 int
370-gettimeofday (struct timeval *tp, void *tz)
371+gettimeofday (struct timeval *tp, struct timezone *tz)
372 {
373   if (tz)
374     abort ();
375diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
376index 57452f7fe590..1a1cfd4a6cfa 100755
377--- a/libstdc++-v3/configure
378+++ b/libstdc++-v3/configure
379@@ -52461,6 +52461,5983 @@ _ACEOF
380   fi
381 
382     ;;
383+  *-barrelfish*)
384+
385+  # All these tests are for C++; save the language and the compiler flags.
386+  # The CXXFLAGS thing is suspicious, but based on similar bits previously
387+  # found in GLIBCXX_CONFIGURE.
388+
389+  ac_ext=cpp
390+ac_cpp='$CXXCPP $CPPFLAGS'
391+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
392+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
393+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
394+
395+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
396+  ac_save_CXXFLAGS="$CXXFLAGS"
397+
398+  # Check for maintainer-mode bits.
399+  if test x"$USE_MAINTAINER_MODE" = xno; then
400+    WERROR=''
401+  else
402+    WERROR='-Werror'
403+  fi
404+
405+  # Check for -ffunction-sections -fdata-sections
406+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
407+$as_echo_n "checking for g++ that supports -ffunction-sections -fdata-sections... " >&6; }
408+  CXXFLAGS='-g -Werror -ffunction-sections -fdata-sections'
409+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
410+/* end confdefs.h.  */
411+int foo; void bar() { };
412+int
413+main ()
414+{
415+
416+  ;
417+  return 0;
418+}
419+_ACEOF
420+if ac_fn_cxx_try_compile "$LINENO"; then :
421+  ac_fdsections=yes
422+else
423+  ac_fdsections=no
424+fi
425+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
426+  if test "$ac_test_CXXFLAGS" = set; then
427+    CXXFLAGS="$ac_save_CXXFLAGS"
428+  else
429+    # this is the suspicious part
430+    CXXFLAGS=''
431+  fi
432+  if test x"$ac_fdsections" = x"yes"; then
433+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
434+  fi
435+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_fdsections" >&5
436+$as_echo "$ac_fdsections" >&6; }
437+
438+  ac_ext=c
439+ac_cpp='$CPP $CPPFLAGS'
440+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
441+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
442+ac_compiler_gnu=$ac_cv_c_compiler_gnu
443+
444+
445+
446+
447+
448+  # If we're not using GNU ld, then there's no point in even trying these
449+  # tests.  Check for that first.  We should have already tested for gld
450+  # by now (in libtool), but require it now just to be safe...
451+  test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
452+  test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
453+
454+
455+
456+  # The name set by libtool depends on the version of libtool.  Shame on us
457+  # for depending on an impl detail, but c'est la vie.  Older versions used
458+  # ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
459+  # top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
460+  # makes sense).  We'll test with_gnu_ld everywhere else, so if that isn't
461+  # set (hence we're using an older libtool), then set it.
462+  if test x${with_gnu_ld+set} != xset; then
463+    if test x${ac_cv_prog_gnu_ld+set} != xset; then
464+      # We got through "ac_require(ac_prog_ld)" and still not set?  Huh?
465+      with_gnu_ld=no
466+    else
467+      with_gnu_ld=$ac_cv_prog_gnu_ld
468+    fi
469+  fi
470+
471+  # Start by getting the version number.  I think the libtool test already
472+  # does some of this, but throws away the result.
473+  glibcxx_ld_is_gold=no
474+  if test x"$with_gnu_ld" = x"yes"; then
475+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld version" >&5
476+$as_echo_n "checking for ld version... " >&6; }
477+
478+    if $LD --version 2>/dev/null | grep 'GNU gold' >/dev/null 2>&1; then
479+      glibcxx_ld_is_gold=yes
480+    fi
481+    ldver=`$LD --version 2>/dev/null |
482+	   sed -e 's/GNU gold /GNU ld /;s/GNU ld version /GNU ld /;s/GNU ld ([^)]*) /GNU ld /;s/GNU ld \([0-9.][0-9.]*\).*/\1/; q'`
483+
484+    glibcxx_gnu_ld_version=`echo $ldver | \
485+	   $AWK -F. '{ if (NF<3) $3=0; print ($1*100+$2)*100+$3 }'`
486+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_gnu_ld_version" >&5
487+$as_echo "$glibcxx_gnu_ld_version" >&6; }
488+  fi
489+
490+  # Set --gc-sections.
491+  glibcxx_have_gc_sections=no
492+  if test "$glibcxx_ld_is_gold" = "yes"; then
493+    if $LD --help 2>/dev/null | grep gc-sections >/dev/null 2>&1; then
494+      glibcxx_have_gc_sections=yes
495+    fi
496+  else
497+    glibcxx_gcsections_min_ld=21602
498+    if test x"$with_gnu_ld" = x"yes" &&
499+	test $glibcxx_gnu_ld_version -gt $glibcxx_gcsections_min_ld ; then
500+      glibcxx_have_gc_sections=yes
501+    fi
502+  fi
503+  if test "$glibcxx_have_gc_sections" = "yes"; then
504+    # Sufficiently young GNU ld it is!  Joy and bunny rabbits!
505+    # NB: This flag only works reliably after 2.16.1. Configure tests
506+    # for this are difficult, so hard wire a value that should work.
507+
508+    ac_test_CFLAGS="${CFLAGS+set}"
509+    ac_save_CFLAGS="$CFLAGS"
510+    CFLAGS='-Wl,--gc-sections'
511+
512+    # Check for -Wl,--gc-sections
513+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,--gc-sections" >&5
514+$as_echo_n "checking for ld that supports -Wl,--gc-sections... " >&6; }
515+    if test x$gcc_no_link = xyes; then
516+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
517+fi
518+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
519+/* end confdefs.h.  */
520+ int one(void) { return 1; }
521+     int two(void) { return 2; }
522+
523+int
524+main ()
525+{
526+ two();
527+  ;
528+  return 0;
529+}
530+_ACEOF
531+if ac_fn_c_try_link "$LINENO"; then :
532+  ac_gcsections=yes
533+else
534+  ac_gcsections=no
535+fi
536+rm -f core conftest.err conftest.$ac_objext \
537+    conftest$ac_exeext conftest.$ac_ext
538+    if test "$ac_gcsections" = "yes"; then
539+      rm -f conftest.c
540+      touch conftest.c
541+      if $CC -c conftest.c; then
542+	if $LD --gc-sections -o conftest conftest.o 2>&1 | \
543+	   grep "Warning: gc-sections option ignored" > /dev/null; then
544+	  ac_gcsections=no
545+	fi
546+      fi
547+      rm -f conftest.c conftest.o conftest
548+    fi
549+    if test "$ac_gcsections" = "yes"; then
550+      SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
551+    fi
552+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_gcsections" >&5
553+$as_echo "$ac_gcsections" >&6; }
554+
555+    if test "$ac_test_CFLAGS" = set; then
556+      CFLAGS="$ac_save_CFLAGS"
557+    else
558+      # this is the suspicious part
559+      CFLAGS=''
560+    fi
561+  fi
562+
563+  # Set -z,relro.
564+  # Note this is only for shared objects.
565+  ac_ld_relro=no
566+  if test x"$with_gnu_ld" = x"yes"; then
567+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,-z,relro" >&5
568+$as_echo_n "checking for ld that supports -Wl,-z,relro... " >&6; }
569+    cxx_z_relo=`$LD -v --help 2>/dev/null | grep "z relro"`
570+    if test -n "$cxx_z_relo"; then
571+      OPT_LDFLAGS="-Wl,-z,relro"
572+      ac_ld_relro=yes
573+    fi
574+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ld_relro" >&5
575+$as_echo "$ac_ld_relro" >&6; }
576+  fi
577+
578+  # Set linker optimization flags.
579+  if test x"$with_gnu_ld" = x"yes"; then
580+    OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
581+  fi
582+
583+
584+
585+
586+
587+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
588+  ac_save_CXXFLAGS="$CXXFLAGS"
589+  CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
590+
591+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
592+$as_echo_n "checking for sin in -lm... " >&6; }
593+if test "${ac_cv_lib_m_sin+set}" = set; then :
594+  $as_echo_n "(cached) " >&6
595+else
596+  ac_check_lib_save_LIBS=$LIBS
597+LIBS="-lm  $LIBS"
598+if test x$gcc_no_link = xyes; then
599+  as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
600+fi
601+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
602+/* end confdefs.h.  */
603+
604+/* Override any GCC internal prototype to avoid an error.
605+   Use char because int might match the return type of a GCC
606+   builtin and then its argument prototype would still apply.  */
607+#ifdef __cplusplus
608+extern "C"
609+#endif
610+char sin ();
611+int
612+main ()
613+{
614+return sin ();
615+  ;
616+  return 0;
617+}
618+_ACEOF
619+if ac_fn_c_try_link "$LINENO"; then :
620+  ac_cv_lib_m_sin=yes
621+else
622+  ac_cv_lib_m_sin=no
623+fi
624+rm -f core conftest.err conftest.$ac_objext \
625+    conftest$ac_exeext conftest.$ac_ext
626+LIBS=$ac_check_lib_save_LIBS
627+fi
628+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
629+$as_echo "$ac_cv_lib_m_sin" >&6; }
630+if test "x$ac_cv_lib_m_sin" = x""yes; then :
631+  libm="-lm"
632+fi
633+
634+  ac_save_LIBS="$LIBS"
635+  LIBS="$LIBS $libm"
636+
637+
638+
639+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isinf declaration" >&5
640+$as_echo_n "checking for isinf declaration... " >&6; }
641+  if test x${glibcxx_cv_func_isinf_use+set} != xset; then
642+    if test "${glibcxx_cv_func_isinf_use+set}" = set; then :
643+  $as_echo_n "(cached) " >&6
644+else
645+
646+
647+      ac_ext=cpp
648+ac_cpp='$CXXCPP $CPPFLAGS'
649+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
650+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
651+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
652+
653+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
654+/* end confdefs.h.  */
655+#include <math.h>
656+		      #ifdef HAVE_IEEEFP_H
657+		      #include <ieeefp.h>
658+		      #endif
659+
660+int
661+main ()
662+{
663+ isinf(0);
664+  ;
665+  return 0;
666+}
667+_ACEOF
668+if ac_fn_cxx_try_compile "$LINENO"; then :
669+  glibcxx_cv_func_isinf_use=yes
670+else
671+  glibcxx_cv_func_isinf_use=no
672+fi
673+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
674+      ac_ext=c
675+ac_cpp='$CPP $CPPFLAGS'
676+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
677+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
678+ac_compiler_gnu=$ac_cv_c_compiler_gnu
679+
680+
681+fi
682+
683+  fi
684+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isinf_use" >&5
685+$as_echo "$glibcxx_cv_func_isinf_use" >&6; }
686+
687+  if test x$glibcxx_cv_func_isinf_use = x"yes"; then
688+    for ac_func in isinf
689+do :
690+  ac_fn_c_check_func "$LINENO" "isinf" "ac_cv_func_isinf"
691+if test "x$ac_cv_func_isinf" = x""yes; then :
692+  cat >>confdefs.h <<_ACEOF
693+#define HAVE_ISINF 1
694+_ACEOF
695+
696+fi
697+done
698+
699+  else
700+
701+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isinf declaration" >&5
702+$as_echo_n "checking for _isinf declaration... " >&6; }
703+  if test x${glibcxx_cv_func__isinf_use+set} != xset; then
704+    if test "${glibcxx_cv_func__isinf_use+set}" = set; then :
705+  $as_echo_n "(cached) " >&6
706+else
707+
708+
709+      ac_ext=cpp
710+ac_cpp='$CXXCPP $CPPFLAGS'
711+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
712+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
713+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
714+
715+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
716+/* end confdefs.h.  */
717+#include <math.h>
718+		      #ifdef HAVE_IEEEFP_H
719+		      #include <ieeefp.h>
720+		      #endif
721+
722+int
723+main ()
724+{
725+ _isinf(0);
726+  ;
727+  return 0;
728+}
729+_ACEOF
730+if ac_fn_cxx_try_compile "$LINENO"; then :
731+  glibcxx_cv_func__isinf_use=yes
732+else
733+  glibcxx_cv_func__isinf_use=no
734+fi
735+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
736+      ac_ext=c
737+ac_cpp='$CPP $CPPFLAGS'
738+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
739+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
740+ac_compiler_gnu=$ac_cv_c_compiler_gnu
741+
742+
743+fi
744+
745+  fi
746+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isinf_use" >&5
747+$as_echo "$glibcxx_cv_func__isinf_use" >&6; }
748+
749+    if test x$glibcxx_cv_func__isinf_use = x"yes"; then
750+      for ac_func in _isinf
751+do :
752+  ac_fn_c_check_func "$LINENO" "_isinf" "ac_cv_func__isinf"
753+if test "x$ac_cv_func__isinf" = x""yes; then :
754+  cat >>confdefs.h <<_ACEOF
755+#define HAVE__ISINF 1
756+_ACEOF
757+
758+fi
759+done
760+
761+    fi
762+  fi
763+
764+
765+
766+
767+
768+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isnan declaration" >&5
769+$as_echo_n "checking for isnan declaration... " >&6; }
770+  if test x${glibcxx_cv_func_isnan_use+set} != xset; then
771+    if test "${glibcxx_cv_func_isnan_use+set}" = set; then :
772+  $as_echo_n "(cached) " >&6
773+else
774+
775+
776+      ac_ext=cpp
777+ac_cpp='$CXXCPP $CPPFLAGS'
778+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
779+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
780+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
781+
782+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
783+/* end confdefs.h.  */
784+#include <math.h>
785+		      #ifdef HAVE_IEEEFP_H
786+		      #include <ieeefp.h>
787+		      #endif
788+
789+int
790+main ()
791+{
792+ isnan(0);
793+  ;
794+  return 0;
795+}
796+_ACEOF
797+if ac_fn_cxx_try_compile "$LINENO"; then :
798+  glibcxx_cv_func_isnan_use=yes
799+else
800+  glibcxx_cv_func_isnan_use=no
801+fi
802+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
803+      ac_ext=c
804+ac_cpp='$CPP $CPPFLAGS'
805+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
806+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
807+ac_compiler_gnu=$ac_cv_c_compiler_gnu
808+
809+
810+fi
811+
812+  fi
813+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isnan_use" >&5
814+$as_echo "$glibcxx_cv_func_isnan_use" >&6; }
815+
816+  if test x$glibcxx_cv_func_isnan_use = x"yes"; then
817+    for ac_func in isnan
818+do :
819+  ac_fn_c_check_func "$LINENO" "isnan" "ac_cv_func_isnan"
820+if test "x$ac_cv_func_isnan" = x""yes; then :
821+  cat >>confdefs.h <<_ACEOF
822+#define HAVE_ISNAN 1
823+_ACEOF
824+
825+fi
826+done
827+
828+  else
829+
830+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isnan declaration" >&5
831+$as_echo_n "checking for _isnan declaration... " >&6; }
832+  if test x${glibcxx_cv_func__isnan_use+set} != xset; then
833+    if test "${glibcxx_cv_func__isnan_use+set}" = set; then :
834+  $as_echo_n "(cached) " >&6
835+else
836+
837+
838+      ac_ext=cpp
839+ac_cpp='$CXXCPP $CPPFLAGS'
840+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
841+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
842+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
843+
844+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
845+/* end confdefs.h.  */
846+#include <math.h>
847+		      #ifdef HAVE_IEEEFP_H
848+		      #include <ieeefp.h>
849+		      #endif
850+
851+int
852+main ()
853+{
854+ _isnan(0);
855+  ;
856+  return 0;
857+}
858+_ACEOF
859+if ac_fn_cxx_try_compile "$LINENO"; then :
860+  glibcxx_cv_func__isnan_use=yes
861+else
862+  glibcxx_cv_func__isnan_use=no
863+fi
864+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
865+      ac_ext=c
866+ac_cpp='$CPP $CPPFLAGS'
867+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
868+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
869+ac_compiler_gnu=$ac_cv_c_compiler_gnu
870+
871+
872+fi
873+
874+  fi
875+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isnan_use" >&5
876+$as_echo "$glibcxx_cv_func__isnan_use" >&6; }
877+
878+    if test x$glibcxx_cv_func__isnan_use = x"yes"; then
879+      for ac_func in _isnan
880+do :
881+  ac_fn_c_check_func "$LINENO" "_isnan" "ac_cv_func__isnan"
882+if test "x$ac_cv_func__isnan" = x""yes; then :
883+  cat >>confdefs.h <<_ACEOF
884+#define HAVE__ISNAN 1
885+_ACEOF
886+
887+fi
888+done
889+
890+    fi
891+  fi
892+
893+
894+
895+
896+
897+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for finite declaration" >&5
898+$as_echo_n "checking for finite declaration... " >&6; }
899+  if test x${glibcxx_cv_func_finite_use+set} != xset; then
900+    if test "${glibcxx_cv_func_finite_use+set}" = set; then :
901+  $as_echo_n "(cached) " >&6
902+else
903+
904+
905+      ac_ext=cpp
906+ac_cpp='$CXXCPP $CPPFLAGS'
907+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
908+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
909+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
910+
911+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
912+/* end confdefs.h.  */
913+#include <math.h>
914+		      #ifdef HAVE_IEEEFP_H
915+		      #include <ieeefp.h>
916+		      #endif
917+
918+int
919+main ()
920+{
921+ finite(0);
922+  ;
923+  return 0;
924+}
925+_ACEOF
926+if ac_fn_cxx_try_compile "$LINENO"; then :
927+  glibcxx_cv_func_finite_use=yes
928+else
929+  glibcxx_cv_func_finite_use=no
930+fi
931+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
932+      ac_ext=c
933+ac_cpp='$CPP $CPPFLAGS'
934+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
935+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
936+ac_compiler_gnu=$ac_cv_c_compiler_gnu
937+
938+
939+fi
940+
941+  fi
942+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_finite_use" >&5
943+$as_echo "$glibcxx_cv_func_finite_use" >&6; }
944+
945+  if test x$glibcxx_cv_func_finite_use = x"yes"; then
946+    for ac_func in finite
947+do :
948+  ac_fn_c_check_func "$LINENO" "finite" "ac_cv_func_finite"
949+if test "x$ac_cv_func_finite" = x""yes; then :
950+  cat >>confdefs.h <<_ACEOF
951+#define HAVE_FINITE 1
952+_ACEOF
953+
954+fi
955+done
956+
957+  else
958+
959+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _finite declaration" >&5
960+$as_echo_n "checking for _finite declaration... " >&6; }
961+  if test x${glibcxx_cv_func__finite_use+set} != xset; then
962+    if test "${glibcxx_cv_func__finite_use+set}" = set; then :
963+  $as_echo_n "(cached) " >&6
964+else
965+
966+
967+      ac_ext=cpp
968+ac_cpp='$CXXCPP $CPPFLAGS'
969+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
970+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
971+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
972+
973+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
974+/* end confdefs.h.  */
975+#include <math.h>
976+		      #ifdef HAVE_IEEEFP_H
977+		      #include <ieeefp.h>
978+		      #endif
979+
980+int
981+main ()
982+{
983+ _finite(0);
984+  ;
985+  return 0;
986+}
987+_ACEOF
988+if ac_fn_cxx_try_compile "$LINENO"; then :
989+  glibcxx_cv_func__finite_use=yes
990+else
991+  glibcxx_cv_func__finite_use=no
992+fi
993+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
994+      ac_ext=c
995+ac_cpp='$CPP $CPPFLAGS'
996+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
997+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
998+ac_compiler_gnu=$ac_cv_c_compiler_gnu
999+
1000+
1001+fi
1002+
1003+  fi
1004+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__finite_use" >&5
1005+$as_echo "$glibcxx_cv_func__finite_use" >&6; }
1006+
1007+    if test x$glibcxx_cv_func__finite_use = x"yes"; then
1008+      for ac_func in _finite
1009+do :
1010+  ac_fn_c_check_func "$LINENO" "_finite" "ac_cv_func__finite"
1011+if test "x$ac_cv_func__finite" = x""yes; then :
1012+  cat >>confdefs.h <<_ACEOF
1013+#define HAVE__FINITE 1
1014+_ACEOF
1015+
1016+fi
1017+done
1018+
1019+    fi
1020+  fi
1021+
1022+
1023+
1024+
1025+
1026+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sincos declaration" >&5
1027+$as_echo_n "checking for sincos declaration... " >&6; }
1028+  if test x${glibcxx_cv_func_sincos_use+set} != xset; then
1029+    if test "${glibcxx_cv_func_sincos_use+set}" = set; then :
1030+  $as_echo_n "(cached) " >&6
1031+else
1032+
1033+
1034+      ac_ext=cpp
1035+ac_cpp='$CXXCPP $CPPFLAGS'
1036+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1037+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1038+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1039+
1040+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1041+/* end confdefs.h.  */
1042+#include <math.h>
1043+int
1044+main ()
1045+{
1046+ sincos(0, 0, 0);
1047+  ;
1048+  return 0;
1049+}
1050+_ACEOF
1051+if ac_fn_cxx_try_compile "$LINENO"; then :
1052+  glibcxx_cv_func_sincos_use=yes
1053+else
1054+  glibcxx_cv_func_sincos_use=no
1055+fi
1056+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1057+      ac_ext=c
1058+ac_cpp='$CPP $CPPFLAGS'
1059+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1060+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1061+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1062+
1063+
1064+fi
1065+
1066+  fi
1067+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_sincos_use" >&5
1068+$as_echo "$glibcxx_cv_func_sincos_use" >&6; }
1069+
1070+  if test x$glibcxx_cv_func_sincos_use = x"yes"; then
1071+    for ac_func in sincos
1072+do :
1073+  ac_fn_c_check_func "$LINENO" "sincos" "ac_cv_func_sincos"
1074+if test "x$ac_cv_func_sincos" = x""yes; then :
1075+  cat >>confdefs.h <<_ACEOF
1076+#define HAVE_SINCOS 1
1077+_ACEOF
1078+
1079+fi
1080+done
1081+
1082+  else
1083+
1084+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _sincos declaration" >&5
1085+$as_echo_n "checking for _sincos declaration... " >&6; }
1086+  if test x${glibcxx_cv_func__sincos_use+set} != xset; then
1087+    if test "${glibcxx_cv_func__sincos_use+set}" = set; then :
1088+  $as_echo_n "(cached) " >&6
1089+else
1090+
1091+
1092+      ac_ext=cpp
1093+ac_cpp='$CXXCPP $CPPFLAGS'
1094+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1095+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1096+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1097+
1098+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1099+/* end confdefs.h.  */
1100+#include <math.h>
1101+int
1102+main ()
1103+{
1104+ _sincos(0, 0, 0);
1105+  ;
1106+  return 0;
1107+}
1108+_ACEOF
1109+if ac_fn_cxx_try_compile "$LINENO"; then :
1110+  glibcxx_cv_func__sincos_use=yes
1111+else
1112+  glibcxx_cv_func__sincos_use=no
1113+fi
1114+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1115+      ac_ext=c
1116+ac_cpp='$CPP $CPPFLAGS'
1117+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1118+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1119+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1120+
1121+
1122+fi
1123+
1124+  fi
1125+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__sincos_use" >&5
1126+$as_echo "$glibcxx_cv_func__sincos_use" >&6; }
1127+
1128+    if test x$glibcxx_cv_func__sincos_use = x"yes"; then
1129+      for ac_func in _sincos
1130+do :
1131+  ac_fn_c_check_func "$LINENO" "_sincos" "ac_cv_func__sincos"
1132+if test "x$ac_cv_func__sincos" = x""yes; then :
1133+  cat >>confdefs.h <<_ACEOF
1134+#define HAVE__SINCOS 1
1135+_ACEOF
1136+
1137+fi
1138+done
1139+
1140+    fi
1141+  fi
1142+
1143+
1144+
1145+
1146+
1147+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fpclass declaration" >&5
1148+$as_echo_n "checking for fpclass declaration... " >&6; }
1149+  if test x${glibcxx_cv_func_fpclass_use+set} != xset; then
1150+    if test "${glibcxx_cv_func_fpclass_use+set}" = set; then :
1151+  $as_echo_n "(cached) " >&6
1152+else
1153+
1154+
1155+      ac_ext=cpp
1156+ac_cpp='$CXXCPP $CPPFLAGS'
1157+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1158+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1159+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1160+
1161+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1162+/* end confdefs.h.  */
1163+#include <math.h>
1164+		      #ifdef HAVE_IEEEFP_H
1165+		      #include <ieeefp.h>
1166+		      #endif
1167+
1168+int
1169+main ()
1170+{
1171+ fpclass(0);
1172+  ;
1173+  return 0;
1174+}
1175+_ACEOF
1176+if ac_fn_cxx_try_compile "$LINENO"; then :
1177+  glibcxx_cv_func_fpclass_use=yes
1178+else
1179+  glibcxx_cv_func_fpclass_use=no
1180+fi
1181+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1182+      ac_ext=c
1183+ac_cpp='$CPP $CPPFLAGS'
1184+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1185+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1186+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1187+
1188+
1189+fi
1190+
1191+  fi
1192+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_fpclass_use" >&5
1193+$as_echo "$glibcxx_cv_func_fpclass_use" >&6; }
1194+
1195+  if test x$glibcxx_cv_func_fpclass_use = x"yes"; then
1196+    for ac_func in fpclass
1197+do :
1198+  ac_fn_c_check_func "$LINENO" "fpclass" "ac_cv_func_fpclass"
1199+if test "x$ac_cv_func_fpclass" = x""yes; then :
1200+  cat >>confdefs.h <<_ACEOF
1201+#define HAVE_FPCLASS 1
1202+_ACEOF
1203+
1204+fi
1205+done
1206+
1207+  else
1208+
1209+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _fpclass declaration" >&5
1210+$as_echo_n "checking for _fpclass declaration... " >&6; }
1211+  if test x${glibcxx_cv_func__fpclass_use+set} != xset; then
1212+    if test "${glibcxx_cv_func__fpclass_use+set}" = set; then :
1213+  $as_echo_n "(cached) " >&6
1214+else
1215+
1216+
1217+      ac_ext=cpp
1218+ac_cpp='$CXXCPP $CPPFLAGS'
1219+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1220+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1221+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1222+
1223+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1224+/* end confdefs.h.  */
1225+#include <math.h>
1226+		      #ifdef HAVE_IEEEFP_H
1227+		      #include <ieeefp.h>
1228+		      #endif
1229+
1230+int
1231+main ()
1232+{
1233+ _fpclass(0);
1234+  ;
1235+  return 0;
1236+}
1237+_ACEOF
1238+if ac_fn_cxx_try_compile "$LINENO"; then :
1239+  glibcxx_cv_func__fpclass_use=yes
1240+else
1241+  glibcxx_cv_func__fpclass_use=no
1242+fi
1243+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1244+      ac_ext=c
1245+ac_cpp='$CPP $CPPFLAGS'
1246+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1247+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1248+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1249+
1250+
1251+fi
1252+
1253+  fi
1254+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__fpclass_use" >&5
1255+$as_echo "$glibcxx_cv_func__fpclass_use" >&6; }
1256+
1257+    if test x$glibcxx_cv_func__fpclass_use = x"yes"; then
1258+      for ac_func in _fpclass
1259+do :
1260+  ac_fn_c_check_func "$LINENO" "_fpclass" "ac_cv_func__fpclass"
1261+if test "x$ac_cv_func__fpclass" = x""yes; then :
1262+  cat >>confdefs.h <<_ACEOF
1263+#define HAVE__FPCLASS 1
1264+_ACEOF
1265+
1266+fi
1267+done
1268+
1269+    fi
1270+  fi
1271+
1272+
1273+
1274+
1275+
1276+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for qfpclass declaration" >&5
1277+$as_echo_n "checking for qfpclass declaration... " >&6; }
1278+  if test x${glibcxx_cv_func_qfpclass_use+set} != xset; then
1279+    if test "${glibcxx_cv_func_qfpclass_use+set}" = set; then :
1280+  $as_echo_n "(cached) " >&6
1281+else
1282+
1283+
1284+      ac_ext=cpp
1285+ac_cpp='$CXXCPP $CPPFLAGS'
1286+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1287+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1288+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1289+
1290+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1291+/* end confdefs.h.  */
1292+#include <math.h>
1293+		      #ifdef HAVE_IEEEFP_H
1294+		      #include <ieeefp.h>
1295+		      #endif
1296+
1297+int
1298+main ()
1299+{
1300+ qfpclass(0);
1301+  ;
1302+  return 0;
1303+}
1304+_ACEOF
1305+if ac_fn_cxx_try_compile "$LINENO"; then :
1306+  glibcxx_cv_func_qfpclass_use=yes
1307+else
1308+  glibcxx_cv_func_qfpclass_use=no
1309+fi
1310+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1311+      ac_ext=c
1312+ac_cpp='$CPP $CPPFLAGS'
1313+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1314+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1315+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1316+
1317+
1318+fi
1319+
1320+  fi
1321+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_qfpclass_use" >&5
1322+$as_echo "$glibcxx_cv_func_qfpclass_use" >&6; }
1323+
1324+  if test x$glibcxx_cv_func_qfpclass_use = x"yes"; then
1325+    for ac_func in qfpclass
1326+do :
1327+  ac_fn_c_check_func "$LINENO" "qfpclass" "ac_cv_func_qfpclass"
1328+if test "x$ac_cv_func_qfpclass" = x""yes; then :
1329+  cat >>confdefs.h <<_ACEOF
1330+#define HAVE_QFPCLASS 1
1331+_ACEOF
1332+
1333+fi
1334+done
1335+
1336+  else
1337+
1338+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _qfpclass declaration" >&5
1339+$as_echo_n "checking for _qfpclass declaration... " >&6; }
1340+  if test x${glibcxx_cv_func__qfpclass_use+set} != xset; then
1341+    if test "${glibcxx_cv_func__qfpclass_use+set}" = set; then :
1342+  $as_echo_n "(cached) " >&6
1343+else
1344+
1345+
1346+      ac_ext=cpp
1347+ac_cpp='$CXXCPP $CPPFLAGS'
1348+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1349+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1350+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1351+
1352+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1353+/* end confdefs.h.  */
1354+#include <math.h>
1355+		      #ifdef HAVE_IEEEFP_H
1356+		      #include <ieeefp.h>
1357+		      #endif
1358+
1359+int
1360+main ()
1361+{
1362+ _qfpclass(0);
1363+  ;
1364+  return 0;
1365+}
1366+_ACEOF
1367+if ac_fn_cxx_try_compile "$LINENO"; then :
1368+  glibcxx_cv_func__qfpclass_use=yes
1369+else
1370+  glibcxx_cv_func__qfpclass_use=no
1371+fi
1372+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1373+      ac_ext=c
1374+ac_cpp='$CPP $CPPFLAGS'
1375+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1376+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1377+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1378+
1379+
1380+fi
1381+
1382+  fi
1383+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__qfpclass_use" >&5
1384+$as_echo "$glibcxx_cv_func__qfpclass_use" >&6; }
1385+
1386+    if test x$glibcxx_cv_func__qfpclass_use = x"yes"; then
1387+      for ac_func in _qfpclass
1388+do :
1389+  ac_fn_c_check_func "$LINENO" "_qfpclass" "ac_cv_func__qfpclass"
1390+if test "x$ac_cv_func__qfpclass" = x""yes; then :
1391+  cat >>confdefs.h <<_ACEOF
1392+#define HAVE__QFPCLASS 1
1393+_ACEOF
1394+
1395+fi
1396+done
1397+
1398+    fi
1399+  fi
1400+
1401+
1402+
1403+
1404+
1405+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hypot declaration" >&5
1406+$as_echo_n "checking for hypot declaration... " >&6; }
1407+  if test x${glibcxx_cv_func_hypot_use+set} != xset; then
1408+    if test "${glibcxx_cv_func_hypot_use+set}" = set; then :
1409+  $as_echo_n "(cached) " >&6
1410+else
1411+
1412+
1413+      ac_ext=cpp
1414+ac_cpp='$CXXCPP $CPPFLAGS'
1415+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1416+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1417+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1418+
1419+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1420+/* end confdefs.h.  */
1421+#include <math.h>
1422+int
1423+main ()
1424+{
1425+ hypot(0, 0);
1426+  ;
1427+  return 0;
1428+}
1429+_ACEOF
1430+if ac_fn_cxx_try_compile "$LINENO"; then :
1431+  glibcxx_cv_func_hypot_use=yes
1432+else
1433+  glibcxx_cv_func_hypot_use=no
1434+fi
1435+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1436+      ac_ext=c
1437+ac_cpp='$CPP $CPPFLAGS'
1438+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1439+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1440+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1441+
1442+
1443+fi
1444+
1445+  fi
1446+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_hypot_use" >&5
1447+$as_echo "$glibcxx_cv_func_hypot_use" >&6; }
1448+
1449+  if test x$glibcxx_cv_func_hypot_use = x"yes"; then
1450+    for ac_func in hypot
1451+do :
1452+  ac_fn_c_check_func "$LINENO" "hypot" "ac_cv_func_hypot"
1453+if test "x$ac_cv_func_hypot" = x""yes; then :
1454+  cat >>confdefs.h <<_ACEOF
1455+#define HAVE_HYPOT 1
1456+_ACEOF
1457+
1458+fi
1459+done
1460+
1461+  else
1462+
1463+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _hypot declaration" >&5
1464+$as_echo_n "checking for _hypot declaration... " >&6; }
1465+  if test x${glibcxx_cv_func__hypot_use+set} != xset; then
1466+    if test "${glibcxx_cv_func__hypot_use+set}" = set; then :
1467+  $as_echo_n "(cached) " >&6
1468+else
1469+
1470+
1471+      ac_ext=cpp
1472+ac_cpp='$CXXCPP $CPPFLAGS'
1473+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1474+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1475+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1476+
1477+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1478+/* end confdefs.h.  */
1479+#include <math.h>
1480+int
1481+main ()
1482+{
1483+ _hypot(0, 0);
1484+  ;
1485+  return 0;
1486+}
1487+_ACEOF
1488+if ac_fn_cxx_try_compile "$LINENO"; then :
1489+  glibcxx_cv_func__hypot_use=yes
1490+else
1491+  glibcxx_cv_func__hypot_use=no
1492+fi
1493+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1494+      ac_ext=c
1495+ac_cpp='$CPP $CPPFLAGS'
1496+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1497+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1498+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1499+
1500+
1501+fi
1502+
1503+  fi
1504+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__hypot_use" >&5
1505+$as_echo "$glibcxx_cv_func__hypot_use" >&6; }
1506+
1507+    if test x$glibcxx_cv_func__hypot_use = x"yes"; then
1508+      for ac_func in _hypot
1509+do :
1510+  ac_fn_c_check_func "$LINENO" "_hypot" "ac_cv_func__hypot"
1511+if test "x$ac_cv_func__hypot" = x""yes; then :
1512+  cat >>confdefs.h <<_ACEOF
1513+#define HAVE__HYPOT 1
1514+_ACEOF
1515+
1516+fi
1517+done
1518+
1519+    fi
1520+  fi
1521+
1522+
1523+
1524+
1525+
1526+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for float trig functions" >&5
1527+$as_echo_n "checking for float trig functions... " >&6; }
1528+  if test "${glibcxx_cv_func_float_trig_use+set}" = set; then :
1529+  $as_echo_n "(cached) " >&6
1530+else
1531+
1532+
1533+    ac_ext=cpp
1534+ac_cpp='$CXXCPP $CPPFLAGS'
1535+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1536+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1537+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1538+
1539+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1540+/* end confdefs.h.  */
1541+#include <math.h>
1542+int
1543+main ()
1544+{
1545+acosf (0); asinf (0); atanf (0); cosf (0); sinf (0); tanf (0); coshf (0); sinhf (0); tanhf (0);
1546+  ;
1547+  return 0;
1548+}
1549+_ACEOF
1550+if ac_fn_cxx_try_compile "$LINENO"; then :
1551+  glibcxx_cv_func_float_trig_use=yes
1552+else
1553+  glibcxx_cv_func_float_trig_use=no
1554+fi
1555+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1556+    ac_ext=c
1557+ac_cpp='$CPP $CPPFLAGS'
1558+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1559+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1560+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1561+
1562+fi
1563+
1564+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_float_trig_use" >&5
1565+$as_echo "$glibcxx_cv_func_float_trig_use" >&6; }
1566+  if test x$glibcxx_cv_func_float_trig_use = x"yes"; then
1567+    for ac_func in acosf asinf atanf cosf sinf tanf coshf sinhf tanhf
1568+do :
1569+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1570+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
1571+eval as_val=\$$as_ac_var
1572+   if test "x$as_val" = x""yes; then :
1573+  cat >>confdefs.h <<_ACEOF
1574+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
1575+_ACEOF
1576+
1577+fi
1578+done
1579+
1580+  else
1581+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _float trig functions" >&5
1582+$as_echo_n "checking for _float trig functions... " >&6; }
1583+    if test "${glibcxx_cv_func__float_trig_use+set}" = set; then :
1584+  $as_echo_n "(cached) " >&6
1585+else
1586+
1587+
1588+      ac_ext=cpp
1589+ac_cpp='$CXXCPP $CPPFLAGS'
1590+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1591+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1592+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1593+
1594+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1595+/* end confdefs.h.  */
1596+#include <math.h>
1597+int
1598+main ()
1599+{
1600+_acosf (0); _asinf (0); _atanf (0); _cosf (0); _sinf (0); _tanf (0); _coshf (0); _sinhf (0); _tanhf (0);
1601+  ;
1602+  return 0;
1603+}
1604+_ACEOF
1605+if ac_fn_cxx_try_compile "$LINENO"; then :
1606+  glibcxx_cv_func__float_trig_use=yes
1607+else
1608+  glibcxx_cv_func__float_trig_use=no
1609+fi
1610+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1611+      ac_ext=c
1612+ac_cpp='$CPP $CPPFLAGS'
1613+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1614+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1615+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1616+
1617+fi
1618+
1619+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__float_trig_use" >&5
1620+$as_echo "$glibcxx_cv_func__float_trig_use" >&6; }
1621+    if test x$glibcxx_cv_func__float_trig_use = x"yes"; then
1622+      for ac_func in _acosf _asinf _atanf _cosf _sinf _tanf _coshf _sinhf _tanhf
1623+do :
1624+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1625+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
1626+eval as_val=\$$as_ac_var
1627+   if test "x$as_val" = x""yes; then :
1628+  cat >>confdefs.h <<_ACEOF
1629+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
1630+_ACEOF
1631+
1632+fi
1633+done
1634+
1635+    fi
1636+  fi
1637+
1638+
1639+
1640+
1641+
1642+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for float round functions" >&5
1643+$as_echo_n "checking for float round functions... " >&6; }
1644+  if test "${glibcxx_cv_func_float_round_use+set}" = set; then :
1645+  $as_echo_n "(cached) " >&6
1646+else
1647+
1648+
1649+    ac_ext=cpp
1650+ac_cpp='$CXXCPP $CPPFLAGS'
1651+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1652+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1653+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1654+
1655+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1656+/* end confdefs.h.  */
1657+#include <math.h>
1658+int
1659+main ()
1660+{
1661+ceilf (0); floorf (0);
1662+  ;
1663+  return 0;
1664+}
1665+_ACEOF
1666+if ac_fn_cxx_try_compile "$LINENO"; then :
1667+  glibcxx_cv_func_float_round_use=yes
1668+else
1669+  glibcxx_cv_func_float_round_use=no
1670+fi
1671+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1672+    ac_ext=c
1673+ac_cpp='$CPP $CPPFLAGS'
1674+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1675+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1676+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1677+
1678+fi
1679+
1680+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_float_round_use" >&5
1681+$as_echo "$glibcxx_cv_func_float_round_use" >&6; }
1682+  if test x$glibcxx_cv_func_float_round_use = x"yes"; then
1683+    for ac_func in ceilf floorf
1684+do :
1685+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1686+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
1687+eval as_val=\$$as_ac_var
1688+   if test "x$as_val" = x""yes; then :
1689+  cat >>confdefs.h <<_ACEOF
1690+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
1691+_ACEOF
1692+
1693+fi
1694+done
1695+
1696+  else
1697+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _float round functions" >&5
1698+$as_echo_n "checking for _float round functions... " >&6; }
1699+    if test "${glibcxx_cv_func__float_round_use+set}" = set; then :
1700+  $as_echo_n "(cached) " >&6
1701+else
1702+
1703+
1704+      ac_ext=cpp
1705+ac_cpp='$CXXCPP $CPPFLAGS'
1706+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1707+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1708+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1709+
1710+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1711+/* end confdefs.h.  */
1712+#include <math.h>
1713+int
1714+main ()
1715+{
1716+_ceilf (0); _floorf (0);
1717+  ;
1718+  return 0;
1719+}
1720+_ACEOF
1721+if ac_fn_cxx_try_compile "$LINENO"; then :
1722+  glibcxx_cv_func__float_round_use=yes
1723+else
1724+  glibcxx_cv_func__float_round_use=no
1725+fi
1726+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1727+      ac_ext=c
1728+ac_cpp='$CPP $CPPFLAGS'
1729+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1730+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1731+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1732+
1733+fi
1734+
1735+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__float_round_use" >&5
1736+$as_echo "$glibcxx_cv_func__float_round_use" >&6; }
1737+    if test x$glibcxx_cv_func__float_round_use = x"yes"; then
1738+      for ac_func in _ceilf _floorf
1739+do :
1740+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
1741+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
1742+eval as_val=\$$as_ac_var
1743+   if test "x$as_val" = x""yes; then :
1744+  cat >>confdefs.h <<_ACEOF
1745+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
1746+_ACEOF
1747+
1748+fi
1749+done
1750+
1751+    fi
1752+  fi
1753+
1754+
1755+
1756+
1757+
1758+
1759+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for expf declaration" >&5
1760+$as_echo_n "checking for expf declaration... " >&6; }
1761+  if test x${glibcxx_cv_func_expf_use+set} != xset; then
1762+    if test "${glibcxx_cv_func_expf_use+set}" = set; then :
1763+  $as_echo_n "(cached) " >&6
1764+else
1765+
1766+
1767+      ac_ext=cpp
1768+ac_cpp='$CXXCPP $CPPFLAGS'
1769+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1770+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1771+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1772+
1773+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1774+/* end confdefs.h.  */
1775+#include <math.h>
1776+		      #ifdef HAVE_IEEEFP_H
1777+		      #include <ieeefp.h>
1778+		      #endif
1779+
1780+int
1781+main ()
1782+{
1783+ expf(0);
1784+  ;
1785+  return 0;
1786+}
1787+_ACEOF
1788+if ac_fn_cxx_try_compile "$LINENO"; then :
1789+  glibcxx_cv_func_expf_use=yes
1790+else
1791+  glibcxx_cv_func_expf_use=no
1792+fi
1793+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1794+      ac_ext=c
1795+ac_cpp='$CPP $CPPFLAGS'
1796+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1797+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1798+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1799+
1800+
1801+fi
1802+
1803+  fi
1804+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_expf_use" >&5
1805+$as_echo "$glibcxx_cv_func_expf_use" >&6; }
1806+
1807+  if test x$glibcxx_cv_func_expf_use = x"yes"; then
1808+    for ac_func in expf
1809+do :
1810+  ac_fn_c_check_func "$LINENO" "expf" "ac_cv_func_expf"
1811+if test "x$ac_cv_func_expf" = x""yes; then :
1812+  cat >>confdefs.h <<_ACEOF
1813+#define HAVE_EXPF 1
1814+_ACEOF
1815+
1816+fi
1817+done
1818+
1819+  else
1820+
1821+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _expf declaration" >&5
1822+$as_echo_n "checking for _expf declaration... " >&6; }
1823+  if test x${glibcxx_cv_func__expf_use+set} != xset; then
1824+    if test "${glibcxx_cv_func__expf_use+set}" = set; then :
1825+  $as_echo_n "(cached) " >&6
1826+else
1827+
1828+
1829+      ac_ext=cpp
1830+ac_cpp='$CXXCPP $CPPFLAGS'
1831+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1832+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1833+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1834+
1835+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1836+/* end confdefs.h.  */
1837+#include <math.h>
1838+		      #ifdef HAVE_IEEEFP_H
1839+		      #include <ieeefp.h>
1840+		      #endif
1841+
1842+int
1843+main ()
1844+{
1845+ _expf(0);
1846+  ;
1847+  return 0;
1848+}
1849+_ACEOF
1850+if ac_fn_cxx_try_compile "$LINENO"; then :
1851+  glibcxx_cv_func__expf_use=yes
1852+else
1853+  glibcxx_cv_func__expf_use=no
1854+fi
1855+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1856+      ac_ext=c
1857+ac_cpp='$CPP $CPPFLAGS'
1858+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1859+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1860+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1861+
1862+
1863+fi
1864+
1865+  fi
1866+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__expf_use" >&5
1867+$as_echo "$glibcxx_cv_func__expf_use" >&6; }
1868+
1869+    if test x$glibcxx_cv_func__expf_use = x"yes"; then
1870+      for ac_func in _expf
1871+do :
1872+  ac_fn_c_check_func "$LINENO" "_expf" "ac_cv_func__expf"
1873+if test "x$ac_cv_func__expf" = x""yes; then :
1874+  cat >>confdefs.h <<_ACEOF
1875+#define HAVE__EXPF 1
1876+_ACEOF
1877+
1878+fi
1879+done
1880+
1881+    fi
1882+  fi
1883+
1884+
1885+
1886+
1887+
1888+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isnanf declaration" >&5
1889+$as_echo_n "checking for isnanf declaration... " >&6; }
1890+  if test x${glibcxx_cv_func_isnanf_use+set} != xset; then
1891+    if test "${glibcxx_cv_func_isnanf_use+set}" = set; then :
1892+  $as_echo_n "(cached) " >&6
1893+else
1894+
1895+
1896+      ac_ext=cpp
1897+ac_cpp='$CXXCPP $CPPFLAGS'
1898+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1899+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1900+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1901+
1902+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1903+/* end confdefs.h.  */
1904+#include <math.h>
1905+		      #ifdef HAVE_IEEEFP_H
1906+		      #include <ieeefp.h>
1907+		      #endif
1908+
1909+int
1910+main ()
1911+{
1912+ isnanf(0);
1913+  ;
1914+  return 0;
1915+}
1916+_ACEOF
1917+if ac_fn_cxx_try_compile "$LINENO"; then :
1918+  glibcxx_cv_func_isnanf_use=yes
1919+else
1920+  glibcxx_cv_func_isnanf_use=no
1921+fi
1922+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1923+      ac_ext=c
1924+ac_cpp='$CPP $CPPFLAGS'
1925+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1926+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1927+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1928+
1929+
1930+fi
1931+
1932+  fi
1933+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isnanf_use" >&5
1934+$as_echo "$glibcxx_cv_func_isnanf_use" >&6; }
1935+
1936+  if test x$glibcxx_cv_func_isnanf_use = x"yes"; then
1937+    for ac_func in isnanf
1938+do :
1939+  ac_fn_c_check_func "$LINENO" "isnanf" "ac_cv_func_isnanf"
1940+if test "x$ac_cv_func_isnanf" = x""yes; then :
1941+  cat >>confdefs.h <<_ACEOF
1942+#define HAVE_ISNANF 1
1943+_ACEOF
1944+
1945+fi
1946+done
1947+
1948+  else
1949+
1950+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isnanf declaration" >&5
1951+$as_echo_n "checking for _isnanf declaration... " >&6; }
1952+  if test x${glibcxx_cv_func__isnanf_use+set} != xset; then
1953+    if test "${glibcxx_cv_func__isnanf_use+set}" = set; then :
1954+  $as_echo_n "(cached) " >&6
1955+else
1956+
1957+
1958+      ac_ext=cpp
1959+ac_cpp='$CXXCPP $CPPFLAGS'
1960+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1961+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1962+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
1963+
1964+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
1965+/* end confdefs.h.  */
1966+#include <math.h>
1967+		      #ifdef HAVE_IEEEFP_H
1968+		      #include <ieeefp.h>
1969+		      #endif
1970+
1971+int
1972+main ()
1973+{
1974+ _isnanf(0);
1975+  ;
1976+  return 0;
1977+}
1978+_ACEOF
1979+if ac_fn_cxx_try_compile "$LINENO"; then :
1980+  glibcxx_cv_func__isnanf_use=yes
1981+else
1982+  glibcxx_cv_func__isnanf_use=no
1983+fi
1984+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
1985+      ac_ext=c
1986+ac_cpp='$CPP $CPPFLAGS'
1987+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
1988+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
1989+ac_compiler_gnu=$ac_cv_c_compiler_gnu
1990+
1991+
1992+fi
1993+
1994+  fi
1995+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isnanf_use" >&5
1996+$as_echo "$glibcxx_cv_func__isnanf_use" >&6; }
1997+
1998+    if test x$glibcxx_cv_func__isnanf_use = x"yes"; then
1999+      for ac_func in _isnanf
2000+do :
2001+  ac_fn_c_check_func "$LINENO" "_isnanf" "ac_cv_func__isnanf"
2002+if test "x$ac_cv_func__isnanf" = x""yes; then :
2003+  cat >>confdefs.h <<_ACEOF
2004+#define HAVE__ISNANF 1
2005+_ACEOF
2006+
2007+fi
2008+done
2009+
2010+    fi
2011+  fi
2012+
2013+
2014+
2015+
2016+
2017+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isinff declaration" >&5
2018+$as_echo_n "checking for isinff declaration... " >&6; }
2019+  if test x${glibcxx_cv_func_isinff_use+set} != xset; then
2020+    if test "${glibcxx_cv_func_isinff_use+set}" = set; then :
2021+  $as_echo_n "(cached) " >&6
2022+else
2023+
2024+
2025+      ac_ext=cpp
2026+ac_cpp='$CXXCPP $CPPFLAGS'
2027+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2028+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2029+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2030+
2031+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2032+/* end confdefs.h.  */
2033+#include <math.h>
2034+		      #ifdef HAVE_IEEEFP_H
2035+		      #include <ieeefp.h>
2036+		      #endif
2037+
2038+int
2039+main ()
2040+{
2041+ isinff(0);
2042+  ;
2043+  return 0;
2044+}
2045+_ACEOF
2046+if ac_fn_cxx_try_compile "$LINENO"; then :
2047+  glibcxx_cv_func_isinff_use=yes
2048+else
2049+  glibcxx_cv_func_isinff_use=no
2050+fi
2051+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2052+      ac_ext=c
2053+ac_cpp='$CPP $CPPFLAGS'
2054+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2055+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2056+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2057+
2058+
2059+fi
2060+
2061+  fi
2062+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isinff_use" >&5
2063+$as_echo "$glibcxx_cv_func_isinff_use" >&6; }
2064+
2065+  if test x$glibcxx_cv_func_isinff_use = x"yes"; then
2066+    for ac_func in isinff
2067+do :
2068+  ac_fn_c_check_func "$LINENO" "isinff" "ac_cv_func_isinff"
2069+if test "x$ac_cv_func_isinff" = x""yes; then :
2070+  cat >>confdefs.h <<_ACEOF
2071+#define HAVE_ISINFF 1
2072+_ACEOF
2073+
2074+fi
2075+done
2076+
2077+  else
2078+
2079+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isinff declaration" >&5
2080+$as_echo_n "checking for _isinff declaration... " >&6; }
2081+  if test x${glibcxx_cv_func__isinff_use+set} != xset; then
2082+    if test "${glibcxx_cv_func__isinff_use+set}" = set; then :
2083+  $as_echo_n "(cached) " >&6
2084+else
2085+
2086+
2087+      ac_ext=cpp
2088+ac_cpp='$CXXCPP $CPPFLAGS'
2089+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2090+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2091+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2092+
2093+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2094+/* end confdefs.h.  */
2095+#include <math.h>
2096+		      #ifdef HAVE_IEEEFP_H
2097+		      #include <ieeefp.h>
2098+		      #endif
2099+
2100+int
2101+main ()
2102+{
2103+ _isinff(0);
2104+  ;
2105+  return 0;
2106+}
2107+_ACEOF
2108+if ac_fn_cxx_try_compile "$LINENO"; then :
2109+  glibcxx_cv_func__isinff_use=yes
2110+else
2111+  glibcxx_cv_func__isinff_use=no
2112+fi
2113+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2114+      ac_ext=c
2115+ac_cpp='$CPP $CPPFLAGS'
2116+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2117+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2118+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2119+
2120+
2121+fi
2122+
2123+  fi
2124+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isinff_use" >&5
2125+$as_echo "$glibcxx_cv_func__isinff_use" >&6; }
2126+
2127+    if test x$glibcxx_cv_func__isinff_use = x"yes"; then
2128+      for ac_func in _isinff
2129+do :
2130+  ac_fn_c_check_func "$LINENO" "_isinff" "ac_cv_func__isinff"
2131+if test "x$ac_cv_func__isinff" = x""yes; then :
2132+  cat >>confdefs.h <<_ACEOF
2133+#define HAVE__ISINFF 1
2134+_ACEOF
2135+
2136+fi
2137+done
2138+
2139+    fi
2140+  fi
2141+
2142+
2143+
2144+
2145+
2146+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for atan2f declaration" >&5
2147+$as_echo_n "checking for atan2f declaration... " >&6; }
2148+  if test x${glibcxx_cv_func_atan2f_use+set} != xset; then
2149+    if test "${glibcxx_cv_func_atan2f_use+set}" = set; then :
2150+  $as_echo_n "(cached) " >&6
2151+else
2152+
2153+
2154+      ac_ext=cpp
2155+ac_cpp='$CXXCPP $CPPFLAGS'
2156+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2157+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2158+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2159+
2160+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2161+/* end confdefs.h.  */
2162+#include <math.h>
2163+int
2164+main ()
2165+{
2166+ atan2f(0, 0);
2167+  ;
2168+  return 0;
2169+}
2170+_ACEOF
2171+if ac_fn_cxx_try_compile "$LINENO"; then :
2172+  glibcxx_cv_func_atan2f_use=yes
2173+else
2174+  glibcxx_cv_func_atan2f_use=no
2175+fi
2176+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2177+      ac_ext=c
2178+ac_cpp='$CPP $CPPFLAGS'
2179+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2180+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2181+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2182+
2183+
2184+fi
2185+
2186+  fi
2187+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_atan2f_use" >&5
2188+$as_echo "$glibcxx_cv_func_atan2f_use" >&6; }
2189+
2190+  if test x$glibcxx_cv_func_atan2f_use = x"yes"; then
2191+    for ac_func in atan2f
2192+do :
2193+  ac_fn_c_check_func "$LINENO" "atan2f" "ac_cv_func_atan2f"
2194+if test "x$ac_cv_func_atan2f" = x""yes; then :
2195+  cat >>confdefs.h <<_ACEOF
2196+#define HAVE_ATAN2F 1
2197+_ACEOF
2198+
2199+fi
2200+done
2201+
2202+  else
2203+
2204+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _atan2f declaration" >&5
2205+$as_echo_n "checking for _atan2f declaration... " >&6; }
2206+  if test x${glibcxx_cv_func__atan2f_use+set} != xset; then
2207+    if test "${glibcxx_cv_func__atan2f_use+set}" = set; then :
2208+  $as_echo_n "(cached) " >&6
2209+else
2210+
2211+
2212+      ac_ext=cpp
2213+ac_cpp='$CXXCPP $CPPFLAGS'
2214+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2215+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2216+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2217+
2218+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2219+/* end confdefs.h.  */
2220+#include <math.h>
2221+int
2222+main ()
2223+{
2224+ _atan2f(0, 0);
2225+  ;
2226+  return 0;
2227+}
2228+_ACEOF
2229+if ac_fn_cxx_try_compile "$LINENO"; then :
2230+  glibcxx_cv_func__atan2f_use=yes
2231+else
2232+  glibcxx_cv_func__atan2f_use=no
2233+fi
2234+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2235+      ac_ext=c
2236+ac_cpp='$CPP $CPPFLAGS'
2237+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2238+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2239+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2240+
2241+
2242+fi
2243+
2244+  fi
2245+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__atan2f_use" >&5
2246+$as_echo "$glibcxx_cv_func__atan2f_use" >&6; }
2247+
2248+    if test x$glibcxx_cv_func__atan2f_use = x"yes"; then
2249+      for ac_func in _atan2f
2250+do :
2251+  ac_fn_c_check_func "$LINENO" "_atan2f" "ac_cv_func__atan2f"
2252+if test "x$ac_cv_func__atan2f" = x""yes; then :
2253+  cat >>confdefs.h <<_ACEOF
2254+#define HAVE__ATAN2F 1
2255+_ACEOF
2256+
2257+fi
2258+done
2259+
2260+    fi
2261+  fi
2262+
2263+
2264+
2265+
2266+
2267+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fabsf declaration" >&5
2268+$as_echo_n "checking for fabsf declaration... " >&6; }
2269+  if test x${glibcxx_cv_func_fabsf_use+set} != xset; then
2270+    if test "${glibcxx_cv_func_fabsf_use+set}" = set; then :
2271+  $as_echo_n "(cached) " >&6
2272+else
2273+
2274+
2275+      ac_ext=cpp
2276+ac_cpp='$CXXCPP $CPPFLAGS'
2277+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2278+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2279+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2280+
2281+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2282+/* end confdefs.h.  */
2283+#include <math.h>
2284+		      #ifdef HAVE_IEEEFP_H
2285+		      #include <ieeefp.h>
2286+		      #endif
2287+
2288+int
2289+main ()
2290+{
2291+ fabsf(0);
2292+  ;
2293+  return 0;
2294+}
2295+_ACEOF
2296+if ac_fn_cxx_try_compile "$LINENO"; then :
2297+  glibcxx_cv_func_fabsf_use=yes
2298+else
2299+  glibcxx_cv_func_fabsf_use=no
2300+fi
2301+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2302+      ac_ext=c
2303+ac_cpp='$CPP $CPPFLAGS'
2304+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2305+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2306+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2307+
2308+
2309+fi
2310+
2311+  fi
2312+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_fabsf_use" >&5
2313+$as_echo "$glibcxx_cv_func_fabsf_use" >&6; }
2314+
2315+  if test x$glibcxx_cv_func_fabsf_use = x"yes"; then
2316+    for ac_func in fabsf
2317+do :
2318+  ac_fn_c_check_func "$LINENO" "fabsf" "ac_cv_func_fabsf"
2319+if test "x$ac_cv_func_fabsf" = x""yes; then :
2320+  cat >>confdefs.h <<_ACEOF
2321+#define HAVE_FABSF 1
2322+_ACEOF
2323+
2324+fi
2325+done
2326+
2327+  else
2328+
2329+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _fabsf declaration" >&5
2330+$as_echo_n "checking for _fabsf declaration... " >&6; }
2331+  if test x${glibcxx_cv_func__fabsf_use+set} != xset; then
2332+    if test "${glibcxx_cv_func__fabsf_use+set}" = set; then :
2333+  $as_echo_n "(cached) " >&6
2334+else
2335+
2336+
2337+      ac_ext=cpp
2338+ac_cpp='$CXXCPP $CPPFLAGS'
2339+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2340+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2341+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2342+
2343+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2344+/* end confdefs.h.  */
2345+#include <math.h>
2346+		      #ifdef HAVE_IEEEFP_H
2347+		      #include <ieeefp.h>
2348+		      #endif
2349+
2350+int
2351+main ()
2352+{
2353+ _fabsf(0);
2354+  ;
2355+  return 0;
2356+}
2357+_ACEOF
2358+if ac_fn_cxx_try_compile "$LINENO"; then :
2359+  glibcxx_cv_func__fabsf_use=yes
2360+else
2361+  glibcxx_cv_func__fabsf_use=no
2362+fi
2363+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2364+      ac_ext=c
2365+ac_cpp='$CPP $CPPFLAGS'
2366+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2367+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2368+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2369+
2370+
2371+fi
2372+
2373+  fi
2374+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__fabsf_use" >&5
2375+$as_echo "$glibcxx_cv_func__fabsf_use" >&6; }
2376+
2377+    if test x$glibcxx_cv_func__fabsf_use = x"yes"; then
2378+      for ac_func in _fabsf
2379+do :
2380+  ac_fn_c_check_func "$LINENO" "_fabsf" "ac_cv_func__fabsf"
2381+if test "x$ac_cv_func__fabsf" = x""yes; then :
2382+  cat >>confdefs.h <<_ACEOF
2383+#define HAVE__FABSF 1
2384+_ACEOF
2385+
2386+fi
2387+done
2388+
2389+    fi
2390+  fi
2391+
2392+
2393+
2394+
2395+
2396+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fmodf declaration" >&5
2397+$as_echo_n "checking for fmodf declaration... " >&6; }
2398+  if test x${glibcxx_cv_func_fmodf_use+set} != xset; then
2399+    if test "${glibcxx_cv_func_fmodf_use+set}" = set; then :
2400+  $as_echo_n "(cached) " >&6
2401+else
2402+
2403+
2404+      ac_ext=cpp
2405+ac_cpp='$CXXCPP $CPPFLAGS'
2406+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2407+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2408+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2409+
2410+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2411+/* end confdefs.h.  */
2412+#include <math.h>
2413+int
2414+main ()
2415+{
2416+ fmodf(0, 0);
2417+  ;
2418+  return 0;
2419+}
2420+_ACEOF
2421+if ac_fn_cxx_try_compile "$LINENO"; then :
2422+  glibcxx_cv_func_fmodf_use=yes
2423+else
2424+  glibcxx_cv_func_fmodf_use=no
2425+fi
2426+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2427+      ac_ext=c
2428+ac_cpp='$CPP $CPPFLAGS'
2429+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2430+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2431+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2432+
2433+
2434+fi
2435+
2436+  fi
2437+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_fmodf_use" >&5
2438+$as_echo "$glibcxx_cv_func_fmodf_use" >&6; }
2439+
2440+  if test x$glibcxx_cv_func_fmodf_use = x"yes"; then
2441+    for ac_func in fmodf
2442+do :
2443+  ac_fn_c_check_func "$LINENO" "fmodf" "ac_cv_func_fmodf"
2444+if test "x$ac_cv_func_fmodf" = x""yes; then :
2445+  cat >>confdefs.h <<_ACEOF
2446+#define HAVE_FMODF 1
2447+_ACEOF
2448+
2449+fi
2450+done
2451+
2452+  else
2453+
2454+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _fmodf declaration" >&5
2455+$as_echo_n "checking for _fmodf declaration... " >&6; }
2456+  if test x${glibcxx_cv_func__fmodf_use+set} != xset; then
2457+    if test "${glibcxx_cv_func__fmodf_use+set}" = set; then :
2458+  $as_echo_n "(cached) " >&6
2459+else
2460+
2461+
2462+      ac_ext=cpp
2463+ac_cpp='$CXXCPP $CPPFLAGS'
2464+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2465+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2466+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2467+
2468+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2469+/* end confdefs.h.  */
2470+#include <math.h>
2471+int
2472+main ()
2473+{
2474+ _fmodf(0, 0);
2475+  ;
2476+  return 0;
2477+}
2478+_ACEOF
2479+if ac_fn_cxx_try_compile "$LINENO"; then :
2480+  glibcxx_cv_func__fmodf_use=yes
2481+else
2482+  glibcxx_cv_func__fmodf_use=no
2483+fi
2484+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2485+      ac_ext=c
2486+ac_cpp='$CPP $CPPFLAGS'
2487+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2488+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2489+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2490+
2491+
2492+fi
2493+
2494+  fi
2495+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__fmodf_use" >&5
2496+$as_echo "$glibcxx_cv_func__fmodf_use" >&6; }
2497+
2498+    if test x$glibcxx_cv_func__fmodf_use = x"yes"; then
2499+      for ac_func in _fmodf
2500+do :
2501+  ac_fn_c_check_func "$LINENO" "_fmodf" "ac_cv_func__fmodf"
2502+if test "x$ac_cv_func__fmodf" = x""yes; then :
2503+  cat >>confdefs.h <<_ACEOF
2504+#define HAVE__FMODF 1
2505+_ACEOF
2506+
2507+fi
2508+done
2509+
2510+    fi
2511+  fi
2512+
2513+
2514+
2515+
2516+
2517+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for frexpf declaration" >&5
2518+$as_echo_n "checking for frexpf declaration... " >&6; }
2519+  if test x${glibcxx_cv_func_frexpf_use+set} != xset; then
2520+    if test "${glibcxx_cv_func_frexpf_use+set}" = set; then :
2521+  $as_echo_n "(cached) " >&6
2522+else
2523+
2524+
2525+      ac_ext=cpp
2526+ac_cpp='$CXXCPP $CPPFLAGS'
2527+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2528+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2529+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2530+
2531+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2532+/* end confdefs.h.  */
2533+#include <math.h>
2534+int
2535+main ()
2536+{
2537+ frexpf(0, 0);
2538+  ;
2539+  return 0;
2540+}
2541+_ACEOF
2542+if ac_fn_cxx_try_compile "$LINENO"; then :
2543+  glibcxx_cv_func_frexpf_use=yes
2544+else
2545+  glibcxx_cv_func_frexpf_use=no
2546+fi
2547+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2548+      ac_ext=c
2549+ac_cpp='$CPP $CPPFLAGS'
2550+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2551+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2552+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2553+
2554+
2555+fi
2556+
2557+  fi
2558+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_frexpf_use" >&5
2559+$as_echo "$glibcxx_cv_func_frexpf_use" >&6; }
2560+
2561+  if test x$glibcxx_cv_func_frexpf_use = x"yes"; then
2562+    for ac_func in frexpf
2563+do :
2564+  ac_fn_c_check_func "$LINENO" "frexpf" "ac_cv_func_frexpf"
2565+if test "x$ac_cv_func_frexpf" = x""yes; then :
2566+  cat >>confdefs.h <<_ACEOF
2567+#define HAVE_FREXPF 1
2568+_ACEOF
2569+
2570+fi
2571+done
2572+
2573+  else
2574+
2575+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _frexpf declaration" >&5
2576+$as_echo_n "checking for _frexpf declaration... " >&6; }
2577+  if test x${glibcxx_cv_func__frexpf_use+set} != xset; then
2578+    if test "${glibcxx_cv_func__frexpf_use+set}" = set; then :
2579+  $as_echo_n "(cached) " >&6
2580+else
2581+
2582+
2583+      ac_ext=cpp
2584+ac_cpp='$CXXCPP $CPPFLAGS'
2585+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2586+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2587+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2588+
2589+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2590+/* end confdefs.h.  */
2591+#include <math.h>
2592+int
2593+main ()
2594+{
2595+ _frexpf(0, 0);
2596+  ;
2597+  return 0;
2598+}
2599+_ACEOF
2600+if ac_fn_cxx_try_compile "$LINENO"; then :
2601+  glibcxx_cv_func__frexpf_use=yes
2602+else
2603+  glibcxx_cv_func__frexpf_use=no
2604+fi
2605+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2606+      ac_ext=c
2607+ac_cpp='$CPP $CPPFLAGS'
2608+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2609+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2610+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2611+
2612+
2613+fi
2614+
2615+  fi
2616+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__frexpf_use" >&5
2617+$as_echo "$glibcxx_cv_func__frexpf_use" >&6; }
2618+
2619+    if test x$glibcxx_cv_func__frexpf_use = x"yes"; then
2620+      for ac_func in _frexpf
2621+do :
2622+  ac_fn_c_check_func "$LINENO" "_frexpf" "ac_cv_func__frexpf"
2623+if test "x$ac_cv_func__frexpf" = x""yes; then :
2624+  cat >>confdefs.h <<_ACEOF
2625+#define HAVE__FREXPF 1
2626+_ACEOF
2627+
2628+fi
2629+done
2630+
2631+    fi
2632+  fi
2633+
2634+
2635+
2636+
2637+
2638+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hypotf declaration" >&5
2639+$as_echo_n "checking for hypotf declaration... " >&6; }
2640+  if test x${glibcxx_cv_func_hypotf_use+set} != xset; then
2641+    if test "${glibcxx_cv_func_hypotf_use+set}" = set; then :
2642+  $as_echo_n "(cached) " >&6
2643+else
2644+
2645+
2646+      ac_ext=cpp
2647+ac_cpp='$CXXCPP $CPPFLAGS'
2648+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2649+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2650+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2651+
2652+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2653+/* end confdefs.h.  */
2654+#include <math.h>
2655+int
2656+main ()
2657+{
2658+ hypotf(0, 0);
2659+  ;
2660+  return 0;
2661+}
2662+_ACEOF
2663+if ac_fn_cxx_try_compile "$LINENO"; then :
2664+  glibcxx_cv_func_hypotf_use=yes
2665+else
2666+  glibcxx_cv_func_hypotf_use=no
2667+fi
2668+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2669+      ac_ext=c
2670+ac_cpp='$CPP $CPPFLAGS'
2671+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2672+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2673+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2674+
2675+
2676+fi
2677+
2678+  fi
2679+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_hypotf_use" >&5
2680+$as_echo "$glibcxx_cv_func_hypotf_use" >&6; }
2681+
2682+  if test x$glibcxx_cv_func_hypotf_use = x"yes"; then
2683+    for ac_func in hypotf
2684+do :
2685+  ac_fn_c_check_func "$LINENO" "hypotf" "ac_cv_func_hypotf"
2686+if test "x$ac_cv_func_hypotf" = x""yes; then :
2687+  cat >>confdefs.h <<_ACEOF
2688+#define HAVE_HYPOTF 1
2689+_ACEOF
2690+
2691+fi
2692+done
2693+
2694+  else
2695+
2696+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _hypotf declaration" >&5
2697+$as_echo_n "checking for _hypotf declaration... " >&6; }
2698+  if test x${glibcxx_cv_func__hypotf_use+set} != xset; then
2699+    if test "${glibcxx_cv_func__hypotf_use+set}" = set; then :
2700+  $as_echo_n "(cached) " >&6
2701+else
2702+
2703+
2704+      ac_ext=cpp
2705+ac_cpp='$CXXCPP $CPPFLAGS'
2706+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2707+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2708+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2709+
2710+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2711+/* end confdefs.h.  */
2712+#include <math.h>
2713+int
2714+main ()
2715+{
2716+ _hypotf(0, 0);
2717+  ;
2718+  return 0;
2719+}
2720+_ACEOF
2721+if ac_fn_cxx_try_compile "$LINENO"; then :
2722+  glibcxx_cv_func__hypotf_use=yes
2723+else
2724+  glibcxx_cv_func__hypotf_use=no
2725+fi
2726+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2727+      ac_ext=c
2728+ac_cpp='$CPP $CPPFLAGS'
2729+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2730+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2731+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2732+
2733+
2734+fi
2735+
2736+  fi
2737+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__hypotf_use" >&5
2738+$as_echo "$glibcxx_cv_func__hypotf_use" >&6; }
2739+
2740+    if test x$glibcxx_cv_func__hypotf_use = x"yes"; then
2741+      for ac_func in _hypotf
2742+do :
2743+  ac_fn_c_check_func "$LINENO" "_hypotf" "ac_cv_func__hypotf"
2744+if test "x$ac_cv_func__hypotf" = x""yes; then :
2745+  cat >>confdefs.h <<_ACEOF
2746+#define HAVE__HYPOTF 1
2747+_ACEOF
2748+
2749+fi
2750+done
2751+
2752+    fi
2753+  fi
2754+
2755+
2756+
2757+
2758+
2759+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldexpf declaration" >&5
2760+$as_echo_n "checking for ldexpf declaration... " >&6; }
2761+  if test x${glibcxx_cv_func_ldexpf_use+set} != xset; then
2762+    if test "${glibcxx_cv_func_ldexpf_use+set}" = set; then :
2763+  $as_echo_n "(cached) " >&6
2764+else
2765+
2766+
2767+      ac_ext=cpp
2768+ac_cpp='$CXXCPP $CPPFLAGS'
2769+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2770+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2771+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2772+
2773+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2774+/* end confdefs.h.  */
2775+#include <math.h>
2776+int
2777+main ()
2778+{
2779+ ldexpf(0, 0);
2780+  ;
2781+  return 0;
2782+}
2783+_ACEOF
2784+if ac_fn_cxx_try_compile "$LINENO"; then :
2785+  glibcxx_cv_func_ldexpf_use=yes
2786+else
2787+  glibcxx_cv_func_ldexpf_use=no
2788+fi
2789+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2790+      ac_ext=c
2791+ac_cpp='$CPP $CPPFLAGS'
2792+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2793+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2794+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2795+
2796+
2797+fi
2798+
2799+  fi
2800+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_ldexpf_use" >&5
2801+$as_echo "$glibcxx_cv_func_ldexpf_use" >&6; }
2802+
2803+  if test x$glibcxx_cv_func_ldexpf_use = x"yes"; then
2804+    for ac_func in ldexpf
2805+do :
2806+  ac_fn_c_check_func "$LINENO" "ldexpf" "ac_cv_func_ldexpf"
2807+if test "x$ac_cv_func_ldexpf" = x""yes; then :
2808+  cat >>confdefs.h <<_ACEOF
2809+#define HAVE_LDEXPF 1
2810+_ACEOF
2811+
2812+fi
2813+done
2814+
2815+  else
2816+
2817+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _ldexpf declaration" >&5
2818+$as_echo_n "checking for _ldexpf declaration... " >&6; }
2819+  if test x${glibcxx_cv_func__ldexpf_use+set} != xset; then
2820+    if test "${glibcxx_cv_func__ldexpf_use+set}" = set; then :
2821+  $as_echo_n "(cached) " >&6
2822+else
2823+
2824+
2825+      ac_ext=cpp
2826+ac_cpp='$CXXCPP $CPPFLAGS'
2827+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2828+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2829+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2830+
2831+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2832+/* end confdefs.h.  */
2833+#include <math.h>
2834+int
2835+main ()
2836+{
2837+ _ldexpf(0, 0);
2838+  ;
2839+  return 0;
2840+}
2841+_ACEOF
2842+if ac_fn_cxx_try_compile "$LINENO"; then :
2843+  glibcxx_cv_func__ldexpf_use=yes
2844+else
2845+  glibcxx_cv_func__ldexpf_use=no
2846+fi
2847+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2848+      ac_ext=c
2849+ac_cpp='$CPP $CPPFLAGS'
2850+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2851+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2852+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2853+
2854+
2855+fi
2856+
2857+  fi
2858+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__ldexpf_use" >&5
2859+$as_echo "$glibcxx_cv_func__ldexpf_use" >&6; }
2860+
2861+    if test x$glibcxx_cv_func__ldexpf_use = x"yes"; then
2862+      for ac_func in _ldexpf
2863+do :
2864+  ac_fn_c_check_func "$LINENO" "_ldexpf" "ac_cv_func__ldexpf"
2865+if test "x$ac_cv_func__ldexpf" = x""yes; then :
2866+  cat >>confdefs.h <<_ACEOF
2867+#define HAVE__LDEXPF 1
2868+_ACEOF
2869+
2870+fi
2871+done
2872+
2873+    fi
2874+  fi
2875+
2876+
2877+
2878+
2879+
2880+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for logf declaration" >&5
2881+$as_echo_n "checking for logf declaration... " >&6; }
2882+  if test x${glibcxx_cv_func_logf_use+set} != xset; then
2883+    if test "${glibcxx_cv_func_logf_use+set}" = set; then :
2884+  $as_echo_n "(cached) " >&6
2885+else
2886+
2887+
2888+      ac_ext=cpp
2889+ac_cpp='$CXXCPP $CPPFLAGS'
2890+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2891+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2892+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2893+
2894+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2895+/* end confdefs.h.  */
2896+#include <math.h>
2897+		      #ifdef HAVE_IEEEFP_H
2898+		      #include <ieeefp.h>
2899+		      #endif
2900+
2901+int
2902+main ()
2903+{
2904+ logf(0);
2905+  ;
2906+  return 0;
2907+}
2908+_ACEOF
2909+if ac_fn_cxx_try_compile "$LINENO"; then :
2910+  glibcxx_cv_func_logf_use=yes
2911+else
2912+  glibcxx_cv_func_logf_use=no
2913+fi
2914+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2915+      ac_ext=c
2916+ac_cpp='$CPP $CPPFLAGS'
2917+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2918+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2919+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2920+
2921+
2922+fi
2923+
2924+  fi
2925+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_logf_use" >&5
2926+$as_echo "$glibcxx_cv_func_logf_use" >&6; }
2927+
2928+  if test x$glibcxx_cv_func_logf_use = x"yes"; then
2929+    for ac_func in logf
2930+do :
2931+  ac_fn_c_check_func "$LINENO" "logf" "ac_cv_func_logf"
2932+if test "x$ac_cv_func_logf" = x""yes; then :
2933+  cat >>confdefs.h <<_ACEOF
2934+#define HAVE_LOGF 1
2935+_ACEOF
2936+
2937+fi
2938+done
2939+
2940+  else
2941+
2942+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _logf declaration" >&5
2943+$as_echo_n "checking for _logf declaration... " >&6; }
2944+  if test x${glibcxx_cv_func__logf_use+set} != xset; then
2945+    if test "${glibcxx_cv_func__logf_use+set}" = set; then :
2946+  $as_echo_n "(cached) " >&6
2947+else
2948+
2949+
2950+      ac_ext=cpp
2951+ac_cpp='$CXXCPP $CPPFLAGS'
2952+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2953+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2954+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
2955+
2956+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
2957+/* end confdefs.h.  */
2958+#include <math.h>
2959+		      #ifdef HAVE_IEEEFP_H
2960+		      #include <ieeefp.h>
2961+		      #endif
2962+
2963+int
2964+main ()
2965+{
2966+ _logf(0);
2967+  ;
2968+  return 0;
2969+}
2970+_ACEOF
2971+if ac_fn_cxx_try_compile "$LINENO"; then :
2972+  glibcxx_cv_func__logf_use=yes
2973+else
2974+  glibcxx_cv_func__logf_use=no
2975+fi
2976+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
2977+      ac_ext=c
2978+ac_cpp='$CPP $CPPFLAGS'
2979+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
2980+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
2981+ac_compiler_gnu=$ac_cv_c_compiler_gnu
2982+
2983+
2984+fi
2985+
2986+  fi
2987+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__logf_use" >&5
2988+$as_echo "$glibcxx_cv_func__logf_use" >&6; }
2989+
2990+    if test x$glibcxx_cv_func__logf_use = x"yes"; then
2991+      for ac_func in _logf
2992+do :
2993+  ac_fn_c_check_func "$LINENO" "_logf" "ac_cv_func__logf"
2994+if test "x$ac_cv_func__logf" = x""yes; then :
2995+  cat >>confdefs.h <<_ACEOF
2996+#define HAVE__LOGF 1
2997+_ACEOF
2998+
2999+fi
3000+done
3001+
3002+    fi
3003+  fi
3004+
3005+
3006+
3007+
3008+
3009+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for log10f declaration" >&5
3010+$as_echo_n "checking for log10f declaration... " >&6; }
3011+  if test x${glibcxx_cv_func_log10f_use+set} != xset; then
3012+    if test "${glibcxx_cv_func_log10f_use+set}" = set; then :
3013+  $as_echo_n "(cached) " >&6
3014+else
3015+
3016+
3017+      ac_ext=cpp
3018+ac_cpp='$CXXCPP $CPPFLAGS'
3019+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3020+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3021+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3022+
3023+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3024+/* end confdefs.h.  */
3025+#include <math.h>
3026+		      #ifdef HAVE_IEEEFP_H
3027+		      #include <ieeefp.h>
3028+		      #endif
3029+
3030+int
3031+main ()
3032+{
3033+ log10f(0);
3034+  ;
3035+  return 0;
3036+}
3037+_ACEOF
3038+if ac_fn_cxx_try_compile "$LINENO"; then :
3039+  glibcxx_cv_func_log10f_use=yes
3040+else
3041+  glibcxx_cv_func_log10f_use=no
3042+fi
3043+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3044+      ac_ext=c
3045+ac_cpp='$CPP $CPPFLAGS'
3046+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3047+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3048+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3049+
3050+
3051+fi
3052+
3053+  fi
3054+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_log10f_use" >&5
3055+$as_echo "$glibcxx_cv_func_log10f_use" >&6; }
3056+
3057+  if test x$glibcxx_cv_func_log10f_use = x"yes"; then
3058+    for ac_func in log10f
3059+do :
3060+  ac_fn_c_check_func "$LINENO" "log10f" "ac_cv_func_log10f"
3061+if test "x$ac_cv_func_log10f" = x""yes; then :
3062+  cat >>confdefs.h <<_ACEOF
3063+#define HAVE_LOG10F 1
3064+_ACEOF
3065+
3066+fi
3067+done
3068+
3069+  else
3070+
3071+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _log10f declaration" >&5
3072+$as_echo_n "checking for _log10f declaration... " >&6; }
3073+  if test x${glibcxx_cv_func__log10f_use+set} != xset; then
3074+    if test "${glibcxx_cv_func__log10f_use+set}" = set; then :
3075+  $as_echo_n "(cached) " >&6
3076+else
3077+
3078+
3079+      ac_ext=cpp
3080+ac_cpp='$CXXCPP $CPPFLAGS'
3081+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3082+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3083+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3084+
3085+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3086+/* end confdefs.h.  */
3087+#include <math.h>
3088+		      #ifdef HAVE_IEEEFP_H
3089+		      #include <ieeefp.h>
3090+		      #endif
3091+
3092+int
3093+main ()
3094+{
3095+ _log10f(0);
3096+  ;
3097+  return 0;
3098+}
3099+_ACEOF
3100+if ac_fn_cxx_try_compile "$LINENO"; then :
3101+  glibcxx_cv_func__log10f_use=yes
3102+else
3103+  glibcxx_cv_func__log10f_use=no
3104+fi
3105+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3106+      ac_ext=c
3107+ac_cpp='$CPP $CPPFLAGS'
3108+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3109+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3110+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3111+
3112+
3113+fi
3114+
3115+  fi
3116+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__log10f_use" >&5
3117+$as_echo "$glibcxx_cv_func__log10f_use" >&6; }
3118+
3119+    if test x$glibcxx_cv_func__log10f_use = x"yes"; then
3120+      for ac_func in _log10f
3121+do :
3122+  ac_fn_c_check_func "$LINENO" "_log10f" "ac_cv_func__log10f"
3123+if test "x$ac_cv_func__log10f" = x""yes; then :
3124+  cat >>confdefs.h <<_ACEOF
3125+#define HAVE__LOG10F 1
3126+_ACEOF
3127+
3128+fi
3129+done
3130+
3131+    fi
3132+  fi
3133+
3134+
3135+
3136+
3137+
3138+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for modff declaration" >&5
3139+$as_echo_n "checking for modff declaration... " >&6; }
3140+  if test x${glibcxx_cv_func_modff_use+set} != xset; then
3141+    if test "${glibcxx_cv_func_modff_use+set}" = set; then :
3142+  $as_echo_n "(cached) " >&6
3143+else
3144+
3145+
3146+      ac_ext=cpp
3147+ac_cpp='$CXXCPP $CPPFLAGS'
3148+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3149+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3150+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3151+
3152+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3153+/* end confdefs.h.  */
3154+#include <math.h>
3155+int
3156+main ()
3157+{
3158+ modff(0, 0);
3159+  ;
3160+  return 0;
3161+}
3162+_ACEOF
3163+if ac_fn_cxx_try_compile "$LINENO"; then :
3164+  glibcxx_cv_func_modff_use=yes
3165+else
3166+  glibcxx_cv_func_modff_use=no
3167+fi
3168+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3169+      ac_ext=c
3170+ac_cpp='$CPP $CPPFLAGS'
3171+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3172+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3173+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3174+
3175+
3176+fi
3177+
3178+  fi
3179+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_modff_use" >&5
3180+$as_echo "$glibcxx_cv_func_modff_use" >&6; }
3181+
3182+  if test x$glibcxx_cv_func_modff_use = x"yes"; then
3183+    for ac_func in modff
3184+do :
3185+  ac_fn_c_check_func "$LINENO" "modff" "ac_cv_func_modff"
3186+if test "x$ac_cv_func_modff" = x""yes; then :
3187+  cat >>confdefs.h <<_ACEOF
3188+#define HAVE_MODFF 1
3189+_ACEOF
3190+
3191+fi
3192+done
3193+
3194+  else
3195+
3196+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _modff declaration" >&5
3197+$as_echo_n "checking for _modff declaration... " >&6; }
3198+  if test x${glibcxx_cv_func__modff_use+set} != xset; then
3199+    if test "${glibcxx_cv_func__modff_use+set}" = set; then :
3200+  $as_echo_n "(cached) " >&6
3201+else
3202+
3203+
3204+      ac_ext=cpp
3205+ac_cpp='$CXXCPP $CPPFLAGS'
3206+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3207+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3208+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3209+
3210+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3211+/* end confdefs.h.  */
3212+#include <math.h>
3213+int
3214+main ()
3215+{
3216+ _modff(0, 0);
3217+  ;
3218+  return 0;
3219+}
3220+_ACEOF
3221+if ac_fn_cxx_try_compile "$LINENO"; then :
3222+  glibcxx_cv_func__modff_use=yes
3223+else
3224+  glibcxx_cv_func__modff_use=no
3225+fi
3226+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3227+      ac_ext=c
3228+ac_cpp='$CPP $CPPFLAGS'
3229+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3230+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3231+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3232+
3233+
3234+fi
3235+
3236+  fi
3237+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__modff_use" >&5
3238+$as_echo "$glibcxx_cv_func__modff_use" >&6; }
3239+
3240+    if test x$glibcxx_cv_func__modff_use = x"yes"; then
3241+      for ac_func in _modff
3242+do :
3243+  ac_fn_c_check_func "$LINENO" "_modff" "ac_cv_func__modff"
3244+if test "x$ac_cv_func__modff" = x""yes; then :
3245+  cat >>confdefs.h <<_ACEOF
3246+#define HAVE__MODFF 1
3247+_ACEOF
3248+
3249+fi
3250+done
3251+
3252+    fi
3253+  fi
3254+
3255+
3256+
3257+
3258+
3259+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for modf declaration" >&5
3260+$as_echo_n "checking for modf declaration... " >&6; }
3261+  if test x${glibcxx_cv_func_modf_use+set} != xset; then
3262+    if test "${glibcxx_cv_func_modf_use+set}" = set; then :
3263+  $as_echo_n "(cached) " >&6
3264+else
3265+
3266+
3267+      ac_ext=cpp
3268+ac_cpp='$CXXCPP $CPPFLAGS'
3269+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3270+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3271+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3272+
3273+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3274+/* end confdefs.h.  */
3275+#include <math.h>
3276+int
3277+main ()
3278+{
3279+ modf(0, 0);
3280+  ;
3281+  return 0;
3282+}
3283+_ACEOF
3284+if ac_fn_cxx_try_compile "$LINENO"; then :
3285+  glibcxx_cv_func_modf_use=yes
3286+else
3287+  glibcxx_cv_func_modf_use=no
3288+fi
3289+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3290+      ac_ext=c
3291+ac_cpp='$CPP $CPPFLAGS'
3292+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3293+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3294+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3295+
3296+
3297+fi
3298+
3299+  fi
3300+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_modf_use" >&5
3301+$as_echo "$glibcxx_cv_func_modf_use" >&6; }
3302+
3303+  if test x$glibcxx_cv_func_modf_use = x"yes"; then
3304+    for ac_func in modf
3305+do :
3306+  ac_fn_c_check_func "$LINENO" "modf" "ac_cv_func_modf"
3307+if test "x$ac_cv_func_modf" = x""yes; then :
3308+  cat >>confdefs.h <<_ACEOF
3309+#define HAVE_MODF 1
3310+_ACEOF
3311+
3312+fi
3313+done
3314+
3315+  else
3316+
3317+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _modf declaration" >&5
3318+$as_echo_n "checking for _modf declaration... " >&6; }
3319+  if test x${glibcxx_cv_func__modf_use+set} != xset; then
3320+    if test "${glibcxx_cv_func__modf_use+set}" = set; then :
3321+  $as_echo_n "(cached) " >&6
3322+else
3323+
3324+
3325+      ac_ext=cpp
3326+ac_cpp='$CXXCPP $CPPFLAGS'
3327+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3328+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3329+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3330+
3331+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3332+/* end confdefs.h.  */
3333+#include <math.h>
3334+int
3335+main ()
3336+{
3337+ _modf(0, 0);
3338+  ;
3339+  return 0;
3340+}
3341+_ACEOF
3342+if ac_fn_cxx_try_compile "$LINENO"; then :
3343+  glibcxx_cv_func__modf_use=yes
3344+else
3345+  glibcxx_cv_func__modf_use=no
3346+fi
3347+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3348+      ac_ext=c
3349+ac_cpp='$CPP $CPPFLAGS'
3350+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3351+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3352+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3353+
3354+
3355+fi
3356+
3357+  fi
3358+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__modf_use" >&5
3359+$as_echo "$glibcxx_cv_func__modf_use" >&6; }
3360+
3361+    if test x$glibcxx_cv_func__modf_use = x"yes"; then
3362+      for ac_func in _modf
3363+do :
3364+  ac_fn_c_check_func "$LINENO" "_modf" "ac_cv_func__modf"
3365+if test "x$ac_cv_func__modf" = x""yes; then :
3366+  cat >>confdefs.h <<_ACEOF
3367+#define HAVE__MODF 1
3368+_ACEOF
3369+
3370+fi
3371+done
3372+
3373+    fi
3374+  fi
3375+
3376+
3377+
3378+
3379+
3380+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for powf declaration" >&5
3381+$as_echo_n "checking for powf declaration... " >&6; }
3382+  if test x${glibcxx_cv_func_powf_use+set} != xset; then
3383+    if test "${glibcxx_cv_func_powf_use+set}" = set; then :
3384+  $as_echo_n "(cached) " >&6
3385+else
3386+
3387+
3388+      ac_ext=cpp
3389+ac_cpp='$CXXCPP $CPPFLAGS'
3390+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3391+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3392+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3393+
3394+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3395+/* end confdefs.h.  */
3396+#include <math.h>
3397+int
3398+main ()
3399+{
3400+ powf(0, 0);
3401+  ;
3402+  return 0;
3403+}
3404+_ACEOF
3405+if ac_fn_cxx_try_compile "$LINENO"; then :
3406+  glibcxx_cv_func_powf_use=yes
3407+else
3408+  glibcxx_cv_func_powf_use=no
3409+fi
3410+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3411+      ac_ext=c
3412+ac_cpp='$CPP $CPPFLAGS'
3413+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3414+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3415+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3416+
3417+
3418+fi
3419+
3420+  fi
3421+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_powf_use" >&5
3422+$as_echo "$glibcxx_cv_func_powf_use" >&6; }
3423+
3424+  if test x$glibcxx_cv_func_powf_use = x"yes"; then
3425+    for ac_func in powf
3426+do :
3427+  ac_fn_c_check_func "$LINENO" "powf" "ac_cv_func_powf"
3428+if test "x$ac_cv_func_powf" = x""yes; then :
3429+  cat >>confdefs.h <<_ACEOF
3430+#define HAVE_POWF 1
3431+_ACEOF
3432+
3433+fi
3434+done
3435+
3436+  else
3437+
3438+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _powf declaration" >&5
3439+$as_echo_n "checking for _powf declaration... " >&6; }
3440+  if test x${glibcxx_cv_func__powf_use+set} != xset; then
3441+    if test "${glibcxx_cv_func__powf_use+set}" = set; then :
3442+  $as_echo_n "(cached) " >&6
3443+else
3444+
3445+
3446+      ac_ext=cpp
3447+ac_cpp='$CXXCPP $CPPFLAGS'
3448+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3449+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3450+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3451+
3452+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3453+/* end confdefs.h.  */
3454+#include <math.h>
3455+int
3456+main ()
3457+{
3458+ _powf(0, 0);
3459+  ;
3460+  return 0;
3461+}
3462+_ACEOF
3463+if ac_fn_cxx_try_compile "$LINENO"; then :
3464+  glibcxx_cv_func__powf_use=yes
3465+else
3466+  glibcxx_cv_func__powf_use=no
3467+fi
3468+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3469+      ac_ext=c
3470+ac_cpp='$CPP $CPPFLAGS'
3471+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3472+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3473+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3474+
3475+
3476+fi
3477+
3478+  fi
3479+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__powf_use" >&5
3480+$as_echo "$glibcxx_cv_func__powf_use" >&6; }
3481+
3482+    if test x$glibcxx_cv_func__powf_use = x"yes"; then
3483+      for ac_func in _powf
3484+do :
3485+  ac_fn_c_check_func "$LINENO" "_powf" "ac_cv_func__powf"
3486+if test "x$ac_cv_func__powf" = x""yes; then :
3487+  cat >>confdefs.h <<_ACEOF
3488+#define HAVE__POWF 1
3489+_ACEOF
3490+
3491+fi
3492+done
3493+
3494+    fi
3495+  fi
3496+
3497+
3498+
3499+
3500+
3501+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqrtf declaration" >&5
3502+$as_echo_n "checking for sqrtf declaration... " >&6; }
3503+  if test x${glibcxx_cv_func_sqrtf_use+set} != xset; then
3504+    if test "${glibcxx_cv_func_sqrtf_use+set}" = set; then :
3505+  $as_echo_n "(cached) " >&6
3506+else
3507+
3508+
3509+      ac_ext=cpp
3510+ac_cpp='$CXXCPP $CPPFLAGS'
3511+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3512+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3513+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3514+
3515+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3516+/* end confdefs.h.  */
3517+#include <math.h>
3518+		      #ifdef HAVE_IEEEFP_H
3519+		      #include <ieeefp.h>
3520+		      #endif
3521+
3522+int
3523+main ()
3524+{
3525+ sqrtf(0);
3526+  ;
3527+  return 0;
3528+}
3529+_ACEOF
3530+if ac_fn_cxx_try_compile "$LINENO"; then :
3531+  glibcxx_cv_func_sqrtf_use=yes
3532+else
3533+  glibcxx_cv_func_sqrtf_use=no
3534+fi
3535+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3536+      ac_ext=c
3537+ac_cpp='$CPP $CPPFLAGS'
3538+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3539+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3540+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3541+
3542+
3543+fi
3544+
3545+  fi
3546+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_sqrtf_use" >&5
3547+$as_echo "$glibcxx_cv_func_sqrtf_use" >&6; }
3548+
3549+  if test x$glibcxx_cv_func_sqrtf_use = x"yes"; then
3550+    for ac_func in sqrtf
3551+do :
3552+  ac_fn_c_check_func "$LINENO" "sqrtf" "ac_cv_func_sqrtf"
3553+if test "x$ac_cv_func_sqrtf" = x""yes; then :
3554+  cat >>confdefs.h <<_ACEOF
3555+#define HAVE_SQRTF 1
3556+_ACEOF
3557+
3558+fi
3559+done
3560+
3561+  else
3562+
3563+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _sqrtf declaration" >&5
3564+$as_echo_n "checking for _sqrtf declaration... " >&6; }
3565+  if test x${glibcxx_cv_func__sqrtf_use+set} != xset; then
3566+    if test "${glibcxx_cv_func__sqrtf_use+set}" = set; then :
3567+  $as_echo_n "(cached) " >&6
3568+else
3569+
3570+
3571+      ac_ext=cpp
3572+ac_cpp='$CXXCPP $CPPFLAGS'
3573+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3574+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3575+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3576+
3577+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3578+/* end confdefs.h.  */
3579+#include <math.h>
3580+		      #ifdef HAVE_IEEEFP_H
3581+		      #include <ieeefp.h>
3582+		      #endif
3583+
3584+int
3585+main ()
3586+{
3587+ _sqrtf(0);
3588+  ;
3589+  return 0;
3590+}
3591+_ACEOF
3592+if ac_fn_cxx_try_compile "$LINENO"; then :
3593+  glibcxx_cv_func__sqrtf_use=yes
3594+else
3595+  glibcxx_cv_func__sqrtf_use=no
3596+fi
3597+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3598+      ac_ext=c
3599+ac_cpp='$CPP $CPPFLAGS'
3600+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3601+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3602+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3603+
3604+
3605+fi
3606+
3607+  fi
3608+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__sqrtf_use" >&5
3609+$as_echo "$glibcxx_cv_func__sqrtf_use" >&6; }
3610+
3611+    if test x$glibcxx_cv_func__sqrtf_use = x"yes"; then
3612+      for ac_func in _sqrtf
3613+do :
3614+  ac_fn_c_check_func "$LINENO" "_sqrtf" "ac_cv_func__sqrtf"
3615+if test "x$ac_cv_func__sqrtf" = x""yes; then :
3616+  cat >>confdefs.h <<_ACEOF
3617+#define HAVE__SQRTF 1
3618+_ACEOF
3619+
3620+fi
3621+done
3622+
3623+    fi
3624+  fi
3625+
3626+
3627+
3628+
3629+
3630+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sincosf declaration" >&5
3631+$as_echo_n "checking for sincosf declaration... " >&6; }
3632+  if test x${glibcxx_cv_func_sincosf_use+set} != xset; then
3633+    if test "${glibcxx_cv_func_sincosf_use+set}" = set; then :
3634+  $as_echo_n "(cached) " >&6
3635+else
3636+
3637+
3638+      ac_ext=cpp
3639+ac_cpp='$CXXCPP $CPPFLAGS'
3640+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3641+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3642+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3643+
3644+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3645+/* end confdefs.h.  */
3646+#include <math.h>
3647+int
3648+main ()
3649+{
3650+ sincosf(0, 0, 0);
3651+  ;
3652+  return 0;
3653+}
3654+_ACEOF
3655+if ac_fn_cxx_try_compile "$LINENO"; then :
3656+  glibcxx_cv_func_sincosf_use=yes
3657+else
3658+  glibcxx_cv_func_sincosf_use=no
3659+fi
3660+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3661+      ac_ext=c
3662+ac_cpp='$CPP $CPPFLAGS'
3663+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3664+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3665+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3666+
3667+
3668+fi
3669+
3670+  fi
3671+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_sincosf_use" >&5
3672+$as_echo "$glibcxx_cv_func_sincosf_use" >&6; }
3673+
3674+  if test x$glibcxx_cv_func_sincosf_use = x"yes"; then
3675+    for ac_func in sincosf
3676+do :
3677+  ac_fn_c_check_func "$LINENO" "sincosf" "ac_cv_func_sincosf"
3678+if test "x$ac_cv_func_sincosf" = x""yes; then :
3679+  cat >>confdefs.h <<_ACEOF
3680+#define HAVE_SINCOSF 1
3681+_ACEOF
3682+
3683+fi
3684+done
3685+
3686+  else
3687+
3688+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _sincosf declaration" >&5
3689+$as_echo_n "checking for _sincosf declaration... " >&6; }
3690+  if test x${glibcxx_cv_func__sincosf_use+set} != xset; then
3691+    if test "${glibcxx_cv_func__sincosf_use+set}" = set; then :
3692+  $as_echo_n "(cached) " >&6
3693+else
3694+
3695+
3696+      ac_ext=cpp
3697+ac_cpp='$CXXCPP $CPPFLAGS'
3698+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3699+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3700+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3701+
3702+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3703+/* end confdefs.h.  */
3704+#include <math.h>
3705+int
3706+main ()
3707+{
3708+ _sincosf(0, 0, 0);
3709+  ;
3710+  return 0;
3711+}
3712+_ACEOF
3713+if ac_fn_cxx_try_compile "$LINENO"; then :
3714+  glibcxx_cv_func__sincosf_use=yes
3715+else
3716+  glibcxx_cv_func__sincosf_use=no
3717+fi
3718+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3719+      ac_ext=c
3720+ac_cpp='$CPP $CPPFLAGS'
3721+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3722+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3723+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3724+
3725+
3726+fi
3727+
3728+  fi
3729+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__sincosf_use" >&5
3730+$as_echo "$glibcxx_cv_func__sincosf_use" >&6; }
3731+
3732+    if test x$glibcxx_cv_func__sincosf_use = x"yes"; then
3733+      for ac_func in _sincosf
3734+do :
3735+  ac_fn_c_check_func "$LINENO" "_sincosf" "ac_cv_func__sincosf"
3736+if test "x$ac_cv_func__sincosf" = x""yes; then :
3737+  cat >>confdefs.h <<_ACEOF
3738+#define HAVE__SINCOSF 1
3739+_ACEOF
3740+
3741+fi
3742+done
3743+
3744+    fi
3745+  fi
3746+
3747+
3748+
3749+
3750+
3751+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for finitef declaration" >&5
3752+$as_echo_n "checking for finitef declaration... " >&6; }
3753+  if test x${glibcxx_cv_func_finitef_use+set} != xset; then
3754+    if test "${glibcxx_cv_func_finitef_use+set}" = set; then :
3755+  $as_echo_n "(cached) " >&6
3756+else
3757+
3758+
3759+      ac_ext=cpp
3760+ac_cpp='$CXXCPP $CPPFLAGS'
3761+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3762+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3763+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3764+
3765+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3766+/* end confdefs.h.  */
3767+#include <math.h>
3768+		      #ifdef HAVE_IEEEFP_H
3769+		      #include <ieeefp.h>
3770+		      #endif
3771+
3772+int
3773+main ()
3774+{
3775+ finitef(0);
3776+  ;
3777+  return 0;
3778+}
3779+_ACEOF
3780+if ac_fn_cxx_try_compile "$LINENO"; then :
3781+  glibcxx_cv_func_finitef_use=yes
3782+else
3783+  glibcxx_cv_func_finitef_use=no
3784+fi
3785+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3786+      ac_ext=c
3787+ac_cpp='$CPP $CPPFLAGS'
3788+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3789+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3790+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3791+
3792+
3793+fi
3794+
3795+  fi
3796+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_finitef_use" >&5
3797+$as_echo "$glibcxx_cv_func_finitef_use" >&6; }
3798+
3799+  if test x$glibcxx_cv_func_finitef_use = x"yes"; then
3800+    for ac_func in finitef
3801+do :
3802+  ac_fn_c_check_func "$LINENO" "finitef" "ac_cv_func_finitef"
3803+if test "x$ac_cv_func_finitef" = x""yes; then :
3804+  cat >>confdefs.h <<_ACEOF
3805+#define HAVE_FINITEF 1
3806+_ACEOF
3807+
3808+fi
3809+done
3810+
3811+  else
3812+
3813+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _finitef declaration" >&5
3814+$as_echo_n "checking for _finitef declaration... " >&6; }
3815+  if test x${glibcxx_cv_func__finitef_use+set} != xset; then
3816+    if test "${glibcxx_cv_func__finitef_use+set}" = set; then :
3817+  $as_echo_n "(cached) " >&6
3818+else
3819+
3820+
3821+      ac_ext=cpp
3822+ac_cpp='$CXXCPP $CPPFLAGS'
3823+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3824+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3825+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3826+
3827+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3828+/* end confdefs.h.  */
3829+#include <math.h>
3830+		      #ifdef HAVE_IEEEFP_H
3831+		      #include <ieeefp.h>
3832+		      #endif
3833+
3834+int
3835+main ()
3836+{
3837+ _finitef(0);
3838+  ;
3839+  return 0;
3840+}
3841+_ACEOF
3842+if ac_fn_cxx_try_compile "$LINENO"; then :
3843+  glibcxx_cv_func__finitef_use=yes
3844+else
3845+  glibcxx_cv_func__finitef_use=no
3846+fi
3847+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3848+      ac_ext=c
3849+ac_cpp='$CPP $CPPFLAGS'
3850+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3851+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3852+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3853+
3854+
3855+fi
3856+
3857+  fi
3858+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__finitef_use" >&5
3859+$as_echo "$glibcxx_cv_func__finitef_use" >&6; }
3860+
3861+    if test x$glibcxx_cv_func__finitef_use = x"yes"; then
3862+      for ac_func in _finitef
3863+do :
3864+  ac_fn_c_check_func "$LINENO" "_finitef" "ac_cv_func__finitef"
3865+if test "x$ac_cv_func__finitef" = x""yes; then :
3866+  cat >>confdefs.h <<_ACEOF
3867+#define HAVE__FINITEF 1
3868+_ACEOF
3869+
3870+fi
3871+done
3872+
3873+    fi
3874+  fi
3875+
3876+
3877+
3878+
3879+
3880+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double trig functions" >&5
3881+$as_echo_n "checking for long double trig functions... " >&6; }
3882+  if test "${glibcxx_cv_func_long_double_trig_use+set}" = set; then :
3883+  $as_echo_n "(cached) " >&6
3884+else
3885+
3886+
3887+    ac_ext=cpp
3888+ac_cpp='$CXXCPP $CPPFLAGS'
3889+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3890+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3891+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3892+
3893+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3894+/* end confdefs.h.  */
3895+#include <math.h>
3896+int
3897+main ()
3898+{
3899+acosl (0); asinl (0); atanl (0); cosl (0); sinl (0); tanl (0); coshl (0); sinhl (0); tanhl (0);
3900+  ;
3901+  return 0;
3902+}
3903+_ACEOF
3904+if ac_fn_cxx_try_compile "$LINENO"; then :
3905+  glibcxx_cv_func_long_double_trig_use=yes
3906+else
3907+  glibcxx_cv_func_long_double_trig_use=no
3908+fi
3909+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3910+    ac_ext=c
3911+ac_cpp='$CPP $CPPFLAGS'
3912+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3913+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3914+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3915+
3916+fi
3917+
3918+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_long_double_trig_use" >&5
3919+$as_echo "$glibcxx_cv_func_long_double_trig_use" >&6; }
3920+  if test x$glibcxx_cv_func_long_double_trig_use = x"yes"; then
3921+    for ac_func in acosl asinl atanl cosl sinl tanl coshl sinhl tanhl
3922+do :
3923+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
3924+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
3925+eval as_val=\$$as_ac_var
3926+   if test "x$as_val" = x""yes; then :
3927+  cat >>confdefs.h <<_ACEOF
3928+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
3929+_ACEOF
3930+
3931+fi
3932+done
3933+
3934+  else
3935+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _long double trig functions" >&5
3936+$as_echo_n "checking for _long double trig functions... " >&6; }
3937+    if test "${glibcxx_cv_func__long_double_trig_use+set}" = set; then :
3938+  $as_echo_n "(cached) " >&6
3939+else
3940+
3941+
3942+      ac_ext=cpp
3943+ac_cpp='$CXXCPP $CPPFLAGS'
3944+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3945+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3946+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
3947+
3948+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
3949+/* end confdefs.h.  */
3950+#include <math.h>
3951+int
3952+main ()
3953+{
3954+_acosl (0); _asinl (0); _atanl (0); _cosl (0); _sinl (0); _tanl (0); _coshl (0); _sinhl (0); _tanhl (0);
3955+  ;
3956+  return 0;
3957+}
3958+_ACEOF
3959+if ac_fn_cxx_try_compile "$LINENO"; then :
3960+  glibcxx_cv_func__long_double_trig_use=yes
3961+else
3962+  glibcxx_cv_func__long_double_trig_use=no
3963+fi
3964+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
3965+      ac_ext=c
3966+ac_cpp='$CPP $CPPFLAGS'
3967+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
3968+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
3969+ac_compiler_gnu=$ac_cv_c_compiler_gnu
3970+
3971+fi
3972+
3973+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__long_double_trig_use" >&5
3974+$as_echo "$glibcxx_cv_func__long_double_trig_use" >&6; }
3975+    if test x$glibcxx_cv_func__long_double_trig_use = x"yes"; then
3976+      for ac_func in _acosl _asinl _atanl _cosl _sinl _tanl _coshl _sinhl _tanhl
3977+do :
3978+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
3979+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
3980+eval as_val=\$$as_ac_var
3981+   if test "x$as_val" = x""yes; then :
3982+  cat >>confdefs.h <<_ACEOF
3983+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
3984+_ACEOF
3985+
3986+fi
3987+done
3988+
3989+    fi
3990+  fi
3991+
3992+
3993+
3994+
3995+
3996+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for long double round functions" >&5
3997+$as_echo_n "checking for long double round functions... " >&6; }
3998+  if test "${glibcxx_cv_func_long_double_round_use+set}" = set; then :
3999+  $as_echo_n "(cached) " >&6
4000+else
4001+
4002+
4003+    ac_ext=cpp
4004+ac_cpp='$CXXCPP $CPPFLAGS'
4005+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4006+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4007+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4008+
4009+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4010+/* end confdefs.h.  */
4011+#include <math.h>
4012+int
4013+main ()
4014+{
4015+ceill (0); floorl (0);
4016+  ;
4017+  return 0;
4018+}
4019+_ACEOF
4020+if ac_fn_cxx_try_compile "$LINENO"; then :
4021+  glibcxx_cv_func_long_double_round_use=yes
4022+else
4023+  glibcxx_cv_func_long_double_round_use=no
4024+fi
4025+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4026+    ac_ext=c
4027+ac_cpp='$CPP $CPPFLAGS'
4028+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4029+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4030+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4031+
4032+fi
4033+
4034+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_long_double_round_use" >&5
4035+$as_echo "$glibcxx_cv_func_long_double_round_use" >&6; }
4036+  if test x$glibcxx_cv_func_long_double_round_use = x"yes"; then
4037+    for ac_func in ceill floorl
4038+do :
4039+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
4040+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
4041+eval as_val=\$$as_ac_var
4042+   if test "x$as_val" = x""yes; then :
4043+  cat >>confdefs.h <<_ACEOF
4044+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
4045+_ACEOF
4046+
4047+fi
4048+done
4049+
4050+  else
4051+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _long double round functions" >&5
4052+$as_echo_n "checking for _long double round functions... " >&6; }
4053+    if test "${glibcxx_cv_func__long_double_round_use+set}" = set; then :
4054+  $as_echo_n "(cached) " >&6
4055+else
4056+
4057+
4058+      ac_ext=cpp
4059+ac_cpp='$CXXCPP $CPPFLAGS'
4060+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4061+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4062+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4063+
4064+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4065+/* end confdefs.h.  */
4066+#include <math.h>
4067+int
4068+main ()
4069+{
4070+_ceill (0); _floorl (0);
4071+  ;
4072+  return 0;
4073+}
4074+_ACEOF
4075+if ac_fn_cxx_try_compile "$LINENO"; then :
4076+  glibcxx_cv_func__long_double_round_use=yes
4077+else
4078+  glibcxx_cv_func__long_double_round_use=no
4079+fi
4080+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4081+      ac_ext=c
4082+ac_cpp='$CPP $CPPFLAGS'
4083+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4084+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4085+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4086+
4087+fi
4088+
4089+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__long_double_round_use" >&5
4090+$as_echo "$glibcxx_cv_func__long_double_round_use" >&6; }
4091+    if test x$glibcxx_cv_func__long_double_round_use = x"yes"; then
4092+      for ac_func in _ceill _floorl
4093+do :
4094+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
4095+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
4096+eval as_val=\$$as_ac_var
4097+   if test "x$as_val" = x""yes; then :
4098+  cat >>confdefs.h <<_ACEOF
4099+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
4100+_ACEOF
4101+
4102+fi
4103+done
4104+
4105+    fi
4106+  fi
4107+
4108+
4109+
4110+
4111+
4112+
4113+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isnanl declaration" >&5
4114+$as_echo_n "checking for isnanl declaration... " >&6; }
4115+  if test x${glibcxx_cv_func_isnanl_use+set} != xset; then
4116+    if test "${glibcxx_cv_func_isnanl_use+set}" = set; then :
4117+  $as_echo_n "(cached) " >&6
4118+else
4119+
4120+
4121+      ac_ext=cpp
4122+ac_cpp='$CXXCPP $CPPFLAGS'
4123+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4124+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4125+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4126+
4127+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4128+/* end confdefs.h.  */
4129+#include <math.h>
4130+		      #ifdef HAVE_IEEEFP_H
4131+		      #include <ieeefp.h>
4132+		      #endif
4133+
4134+int
4135+main ()
4136+{
4137+ isnanl(0);
4138+  ;
4139+  return 0;
4140+}
4141+_ACEOF
4142+if ac_fn_cxx_try_compile "$LINENO"; then :
4143+  glibcxx_cv_func_isnanl_use=yes
4144+else
4145+  glibcxx_cv_func_isnanl_use=no
4146+fi
4147+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4148+      ac_ext=c
4149+ac_cpp='$CPP $CPPFLAGS'
4150+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4151+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4152+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4153+
4154+
4155+fi
4156+
4157+  fi
4158+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isnanl_use" >&5
4159+$as_echo "$glibcxx_cv_func_isnanl_use" >&6; }
4160+
4161+  if test x$glibcxx_cv_func_isnanl_use = x"yes"; then
4162+    for ac_func in isnanl
4163+do :
4164+  ac_fn_c_check_func "$LINENO" "isnanl" "ac_cv_func_isnanl"
4165+if test "x$ac_cv_func_isnanl" = x""yes; then :
4166+  cat >>confdefs.h <<_ACEOF
4167+#define HAVE_ISNANL 1
4168+_ACEOF
4169+
4170+fi
4171+done
4172+
4173+  else
4174+
4175+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isnanl declaration" >&5
4176+$as_echo_n "checking for _isnanl declaration... " >&6; }
4177+  if test x${glibcxx_cv_func__isnanl_use+set} != xset; then
4178+    if test "${glibcxx_cv_func__isnanl_use+set}" = set; then :
4179+  $as_echo_n "(cached) " >&6
4180+else
4181+
4182+
4183+      ac_ext=cpp
4184+ac_cpp='$CXXCPP $CPPFLAGS'
4185+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4186+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4187+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4188+
4189+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4190+/* end confdefs.h.  */
4191+#include <math.h>
4192+		      #ifdef HAVE_IEEEFP_H
4193+		      #include <ieeefp.h>
4194+		      #endif
4195+
4196+int
4197+main ()
4198+{
4199+ _isnanl(0);
4200+  ;
4201+  return 0;
4202+}
4203+_ACEOF
4204+if ac_fn_cxx_try_compile "$LINENO"; then :
4205+  glibcxx_cv_func__isnanl_use=yes
4206+else
4207+  glibcxx_cv_func__isnanl_use=no
4208+fi
4209+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4210+      ac_ext=c
4211+ac_cpp='$CPP $CPPFLAGS'
4212+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4213+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4214+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4215+
4216+
4217+fi
4218+
4219+  fi
4220+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isnanl_use" >&5
4221+$as_echo "$glibcxx_cv_func__isnanl_use" >&6; }
4222+
4223+    if test x$glibcxx_cv_func__isnanl_use = x"yes"; then
4224+      for ac_func in _isnanl
4225+do :
4226+  ac_fn_c_check_func "$LINENO" "_isnanl" "ac_cv_func__isnanl"
4227+if test "x$ac_cv_func__isnanl" = x""yes; then :
4228+  cat >>confdefs.h <<_ACEOF
4229+#define HAVE__ISNANL 1
4230+_ACEOF
4231+
4232+fi
4233+done
4234+
4235+    fi
4236+  fi
4237+
4238+
4239+
4240+
4241+
4242+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for isinfl declaration" >&5
4243+$as_echo_n "checking for isinfl declaration... " >&6; }
4244+  if test x${glibcxx_cv_func_isinfl_use+set} != xset; then
4245+    if test "${glibcxx_cv_func_isinfl_use+set}" = set; then :
4246+  $as_echo_n "(cached) " >&6
4247+else
4248+
4249+
4250+      ac_ext=cpp
4251+ac_cpp='$CXXCPP $CPPFLAGS'
4252+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4253+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4254+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4255+
4256+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4257+/* end confdefs.h.  */
4258+#include <math.h>
4259+		      #ifdef HAVE_IEEEFP_H
4260+		      #include <ieeefp.h>
4261+		      #endif
4262+
4263+int
4264+main ()
4265+{
4266+ isinfl(0);
4267+  ;
4268+  return 0;
4269+}
4270+_ACEOF
4271+if ac_fn_cxx_try_compile "$LINENO"; then :
4272+  glibcxx_cv_func_isinfl_use=yes
4273+else
4274+  glibcxx_cv_func_isinfl_use=no
4275+fi
4276+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4277+      ac_ext=c
4278+ac_cpp='$CPP $CPPFLAGS'
4279+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4280+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4281+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4282+
4283+
4284+fi
4285+
4286+  fi
4287+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_isinfl_use" >&5
4288+$as_echo "$glibcxx_cv_func_isinfl_use" >&6; }
4289+
4290+  if test x$glibcxx_cv_func_isinfl_use = x"yes"; then
4291+    for ac_func in isinfl
4292+do :
4293+  ac_fn_c_check_func "$LINENO" "isinfl" "ac_cv_func_isinfl"
4294+if test "x$ac_cv_func_isinfl" = x""yes; then :
4295+  cat >>confdefs.h <<_ACEOF
4296+#define HAVE_ISINFL 1
4297+_ACEOF
4298+
4299+fi
4300+done
4301+
4302+  else
4303+
4304+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _isinfl declaration" >&5
4305+$as_echo_n "checking for _isinfl declaration... " >&6; }
4306+  if test x${glibcxx_cv_func__isinfl_use+set} != xset; then
4307+    if test "${glibcxx_cv_func__isinfl_use+set}" = set; then :
4308+  $as_echo_n "(cached) " >&6
4309+else
4310+
4311+
4312+      ac_ext=cpp
4313+ac_cpp='$CXXCPP $CPPFLAGS'
4314+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4315+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4316+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4317+
4318+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4319+/* end confdefs.h.  */
4320+#include <math.h>
4321+		      #ifdef HAVE_IEEEFP_H
4322+		      #include <ieeefp.h>
4323+		      #endif
4324+
4325+int
4326+main ()
4327+{
4328+ _isinfl(0);
4329+  ;
4330+  return 0;
4331+}
4332+_ACEOF
4333+if ac_fn_cxx_try_compile "$LINENO"; then :
4334+  glibcxx_cv_func__isinfl_use=yes
4335+else
4336+  glibcxx_cv_func__isinfl_use=no
4337+fi
4338+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4339+      ac_ext=c
4340+ac_cpp='$CPP $CPPFLAGS'
4341+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4342+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4343+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4344+
4345+
4346+fi
4347+
4348+  fi
4349+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__isinfl_use" >&5
4350+$as_echo "$glibcxx_cv_func__isinfl_use" >&6; }
4351+
4352+    if test x$glibcxx_cv_func__isinfl_use = x"yes"; then
4353+      for ac_func in _isinfl
4354+do :
4355+  ac_fn_c_check_func "$LINENO" "_isinfl" "ac_cv_func__isinfl"
4356+if test "x$ac_cv_func__isinfl" = x""yes; then :
4357+  cat >>confdefs.h <<_ACEOF
4358+#define HAVE__ISINFL 1
4359+_ACEOF
4360+
4361+fi
4362+done
4363+
4364+    fi
4365+  fi
4366+
4367+
4368+
4369+
4370+
4371+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for atan2l declaration" >&5
4372+$as_echo_n "checking for atan2l declaration... " >&6; }
4373+  if test x${glibcxx_cv_func_atan2l_use+set} != xset; then
4374+    if test "${glibcxx_cv_func_atan2l_use+set}" = set; then :
4375+  $as_echo_n "(cached) " >&6
4376+else
4377+
4378+
4379+      ac_ext=cpp
4380+ac_cpp='$CXXCPP $CPPFLAGS'
4381+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4382+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4383+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4384+
4385+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4386+/* end confdefs.h.  */
4387+#include <math.h>
4388+int
4389+main ()
4390+{
4391+ atan2l(0, 0);
4392+  ;
4393+  return 0;
4394+}
4395+_ACEOF
4396+if ac_fn_cxx_try_compile "$LINENO"; then :
4397+  glibcxx_cv_func_atan2l_use=yes
4398+else
4399+  glibcxx_cv_func_atan2l_use=no
4400+fi
4401+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4402+      ac_ext=c
4403+ac_cpp='$CPP $CPPFLAGS'
4404+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4405+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4406+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4407+
4408+
4409+fi
4410+
4411+  fi
4412+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_atan2l_use" >&5
4413+$as_echo "$glibcxx_cv_func_atan2l_use" >&6; }
4414+
4415+  if test x$glibcxx_cv_func_atan2l_use = x"yes"; then
4416+    for ac_func in atan2l
4417+do :
4418+  ac_fn_c_check_func "$LINENO" "atan2l" "ac_cv_func_atan2l"
4419+if test "x$ac_cv_func_atan2l" = x""yes; then :
4420+  cat >>confdefs.h <<_ACEOF
4421+#define HAVE_ATAN2L 1
4422+_ACEOF
4423+
4424+fi
4425+done
4426+
4427+  else
4428+
4429+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _atan2l declaration" >&5
4430+$as_echo_n "checking for _atan2l declaration... " >&6; }
4431+  if test x${glibcxx_cv_func__atan2l_use+set} != xset; then
4432+    if test "${glibcxx_cv_func__atan2l_use+set}" = set; then :
4433+  $as_echo_n "(cached) " >&6
4434+else
4435+
4436+
4437+      ac_ext=cpp
4438+ac_cpp='$CXXCPP $CPPFLAGS'
4439+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4440+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4441+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4442+
4443+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4444+/* end confdefs.h.  */
4445+#include <math.h>
4446+int
4447+main ()
4448+{
4449+ _atan2l(0, 0);
4450+  ;
4451+  return 0;
4452+}
4453+_ACEOF
4454+if ac_fn_cxx_try_compile "$LINENO"; then :
4455+  glibcxx_cv_func__atan2l_use=yes
4456+else
4457+  glibcxx_cv_func__atan2l_use=no
4458+fi
4459+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4460+      ac_ext=c
4461+ac_cpp='$CPP $CPPFLAGS'
4462+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4463+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4464+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4465+
4466+
4467+fi
4468+
4469+  fi
4470+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__atan2l_use" >&5
4471+$as_echo "$glibcxx_cv_func__atan2l_use" >&6; }
4472+
4473+    if test x$glibcxx_cv_func__atan2l_use = x"yes"; then
4474+      for ac_func in _atan2l
4475+do :
4476+  ac_fn_c_check_func "$LINENO" "_atan2l" "ac_cv_func__atan2l"
4477+if test "x$ac_cv_func__atan2l" = x""yes; then :
4478+  cat >>confdefs.h <<_ACEOF
4479+#define HAVE__ATAN2L 1
4480+_ACEOF
4481+
4482+fi
4483+done
4484+
4485+    fi
4486+  fi
4487+
4488+
4489+
4490+
4491+
4492+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for expl declaration" >&5
4493+$as_echo_n "checking for expl declaration... " >&6; }
4494+  if test x${glibcxx_cv_func_expl_use+set} != xset; then
4495+    if test "${glibcxx_cv_func_expl_use+set}" = set; then :
4496+  $as_echo_n "(cached) " >&6
4497+else
4498+
4499+
4500+      ac_ext=cpp
4501+ac_cpp='$CXXCPP $CPPFLAGS'
4502+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4503+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4504+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4505+
4506+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4507+/* end confdefs.h.  */
4508+#include <math.h>
4509+		      #ifdef HAVE_IEEEFP_H
4510+		      #include <ieeefp.h>
4511+		      #endif
4512+
4513+int
4514+main ()
4515+{
4516+ expl(0);
4517+  ;
4518+  return 0;
4519+}
4520+_ACEOF
4521+if ac_fn_cxx_try_compile "$LINENO"; then :
4522+  glibcxx_cv_func_expl_use=yes
4523+else
4524+  glibcxx_cv_func_expl_use=no
4525+fi
4526+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4527+      ac_ext=c
4528+ac_cpp='$CPP $CPPFLAGS'
4529+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4530+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4531+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4532+
4533+
4534+fi
4535+
4536+  fi
4537+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_expl_use" >&5
4538+$as_echo "$glibcxx_cv_func_expl_use" >&6; }
4539+
4540+  if test x$glibcxx_cv_func_expl_use = x"yes"; then
4541+    for ac_func in expl
4542+do :
4543+  ac_fn_c_check_func "$LINENO" "expl" "ac_cv_func_expl"
4544+if test "x$ac_cv_func_expl" = x""yes; then :
4545+  cat >>confdefs.h <<_ACEOF
4546+#define HAVE_EXPL 1
4547+_ACEOF
4548+
4549+fi
4550+done
4551+
4552+  else
4553+
4554+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _expl declaration" >&5
4555+$as_echo_n "checking for _expl declaration... " >&6; }
4556+  if test x${glibcxx_cv_func__expl_use+set} != xset; then
4557+    if test "${glibcxx_cv_func__expl_use+set}" = set; then :
4558+  $as_echo_n "(cached) " >&6
4559+else
4560+
4561+
4562+      ac_ext=cpp
4563+ac_cpp='$CXXCPP $CPPFLAGS'
4564+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4565+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4566+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4567+
4568+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4569+/* end confdefs.h.  */
4570+#include <math.h>
4571+		      #ifdef HAVE_IEEEFP_H
4572+		      #include <ieeefp.h>
4573+		      #endif
4574+
4575+int
4576+main ()
4577+{
4578+ _expl(0);
4579+  ;
4580+  return 0;
4581+}
4582+_ACEOF
4583+if ac_fn_cxx_try_compile "$LINENO"; then :
4584+  glibcxx_cv_func__expl_use=yes
4585+else
4586+  glibcxx_cv_func__expl_use=no
4587+fi
4588+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4589+      ac_ext=c
4590+ac_cpp='$CPP $CPPFLAGS'
4591+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4592+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4593+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4594+
4595+
4596+fi
4597+
4598+  fi
4599+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__expl_use" >&5
4600+$as_echo "$glibcxx_cv_func__expl_use" >&6; }
4601+
4602+    if test x$glibcxx_cv_func__expl_use = x"yes"; then
4603+      for ac_func in _expl
4604+do :
4605+  ac_fn_c_check_func "$LINENO" "_expl" "ac_cv_func__expl"
4606+if test "x$ac_cv_func__expl" = x""yes; then :
4607+  cat >>confdefs.h <<_ACEOF
4608+#define HAVE__EXPL 1
4609+_ACEOF
4610+
4611+fi
4612+done
4613+
4614+    fi
4615+  fi
4616+
4617+
4618+
4619+
4620+
4621+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fabsl declaration" >&5
4622+$as_echo_n "checking for fabsl declaration... " >&6; }
4623+  if test x${glibcxx_cv_func_fabsl_use+set} != xset; then
4624+    if test "${glibcxx_cv_func_fabsl_use+set}" = set; then :
4625+  $as_echo_n "(cached) " >&6
4626+else
4627+
4628+
4629+      ac_ext=cpp
4630+ac_cpp='$CXXCPP $CPPFLAGS'
4631+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4632+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4633+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4634+
4635+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4636+/* end confdefs.h.  */
4637+#include <math.h>
4638+		      #ifdef HAVE_IEEEFP_H
4639+		      #include <ieeefp.h>
4640+		      #endif
4641+
4642+int
4643+main ()
4644+{
4645+ fabsl(0);
4646+  ;
4647+  return 0;
4648+}
4649+_ACEOF
4650+if ac_fn_cxx_try_compile "$LINENO"; then :
4651+  glibcxx_cv_func_fabsl_use=yes
4652+else
4653+  glibcxx_cv_func_fabsl_use=no
4654+fi
4655+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4656+      ac_ext=c
4657+ac_cpp='$CPP $CPPFLAGS'
4658+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4659+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4660+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4661+
4662+
4663+fi
4664+
4665+  fi
4666+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_fabsl_use" >&5
4667+$as_echo "$glibcxx_cv_func_fabsl_use" >&6; }
4668+
4669+  if test x$glibcxx_cv_func_fabsl_use = x"yes"; then
4670+    for ac_func in fabsl
4671+do :
4672+  ac_fn_c_check_func "$LINENO" "fabsl" "ac_cv_func_fabsl"
4673+if test "x$ac_cv_func_fabsl" = x""yes; then :
4674+  cat >>confdefs.h <<_ACEOF
4675+#define HAVE_FABSL 1
4676+_ACEOF
4677+
4678+fi
4679+done
4680+
4681+  else
4682+
4683+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _fabsl declaration" >&5
4684+$as_echo_n "checking for _fabsl declaration... " >&6; }
4685+  if test x${glibcxx_cv_func__fabsl_use+set} != xset; then
4686+    if test "${glibcxx_cv_func__fabsl_use+set}" = set; then :
4687+  $as_echo_n "(cached) " >&6
4688+else
4689+
4690+
4691+      ac_ext=cpp
4692+ac_cpp='$CXXCPP $CPPFLAGS'
4693+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4694+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4695+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4696+
4697+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4698+/* end confdefs.h.  */
4699+#include <math.h>
4700+		      #ifdef HAVE_IEEEFP_H
4701+		      #include <ieeefp.h>
4702+		      #endif
4703+
4704+int
4705+main ()
4706+{
4707+ _fabsl(0);
4708+  ;
4709+  return 0;
4710+}
4711+_ACEOF
4712+if ac_fn_cxx_try_compile "$LINENO"; then :
4713+  glibcxx_cv_func__fabsl_use=yes
4714+else
4715+  glibcxx_cv_func__fabsl_use=no
4716+fi
4717+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4718+      ac_ext=c
4719+ac_cpp='$CPP $CPPFLAGS'
4720+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4721+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4722+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4723+
4724+
4725+fi
4726+
4727+  fi
4728+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__fabsl_use" >&5
4729+$as_echo "$glibcxx_cv_func__fabsl_use" >&6; }
4730+
4731+    if test x$glibcxx_cv_func__fabsl_use = x"yes"; then
4732+      for ac_func in _fabsl
4733+do :
4734+  ac_fn_c_check_func "$LINENO" "_fabsl" "ac_cv_func__fabsl"
4735+if test "x$ac_cv_func__fabsl" = x""yes; then :
4736+  cat >>confdefs.h <<_ACEOF
4737+#define HAVE__FABSL 1
4738+_ACEOF
4739+
4740+fi
4741+done
4742+
4743+    fi
4744+  fi
4745+
4746+
4747+
4748+
4749+
4750+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for fmodl declaration" >&5
4751+$as_echo_n "checking for fmodl declaration... " >&6; }
4752+  if test x${glibcxx_cv_func_fmodl_use+set} != xset; then
4753+    if test "${glibcxx_cv_func_fmodl_use+set}" = set; then :
4754+  $as_echo_n "(cached) " >&6
4755+else
4756+
4757+
4758+      ac_ext=cpp
4759+ac_cpp='$CXXCPP $CPPFLAGS'
4760+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4761+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4762+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4763+
4764+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4765+/* end confdefs.h.  */
4766+#include <math.h>
4767+int
4768+main ()
4769+{
4770+ fmodl(0, 0);
4771+  ;
4772+  return 0;
4773+}
4774+_ACEOF
4775+if ac_fn_cxx_try_compile "$LINENO"; then :
4776+  glibcxx_cv_func_fmodl_use=yes
4777+else
4778+  glibcxx_cv_func_fmodl_use=no
4779+fi
4780+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4781+      ac_ext=c
4782+ac_cpp='$CPP $CPPFLAGS'
4783+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4784+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4785+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4786+
4787+
4788+fi
4789+
4790+  fi
4791+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_fmodl_use" >&5
4792+$as_echo "$glibcxx_cv_func_fmodl_use" >&6; }
4793+
4794+  if test x$glibcxx_cv_func_fmodl_use = x"yes"; then
4795+    for ac_func in fmodl
4796+do :
4797+  ac_fn_c_check_func "$LINENO" "fmodl" "ac_cv_func_fmodl"
4798+if test "x$ac_cv_func_fmodl" = x""yes; then :
4799+  cat >>confdefs.h <<_ACEOF
4800+#define HAVE_FMODL 1
4801+_ACEOF
4802+
4803+fi
4804+done
4805+
4806+  else
4807+
4808+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _fmodl declaration" >&5
4809+$as_echo_n "checking for _fmodl declaration... " >&6; }
4810+  if test x${glibcxx_cv_func__fmodl_use+set} != xset; then
4811+    if test "${glibcxx_cv_func__fmodl_use+set}" = set; then :
4812+  $as_echo_n "(cached) " >&6
4813+else
4814+
4815+
4816+      ac_ext=cpp
4817+ac_cpp='$CXXCPP $CPPFLAGS'
4818+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4819+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4820+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4821+
4822+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4823+/* end confdefs.h.  */
4824+#include <math.h>
4825+int
4826+main ()
4827+{
4828+ _fmodl(0, 0);
4829+  ;
4830+  return 0;
4831+}
4832+_ACEOF
4833+if ac_fn_cxx_try_compile "$LINENO"; then :
4834+  glibcxx_cv_func__fmodl_use=yes
4835+else
4836+  glibcxx_cv_func__fmodl_use=no
4837+fi
4838+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4839+      ac_ext=c
4840+ac_cpp='$CPP $CPPFLAGS'
4841+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4842+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4843+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4844+
4845+
4846+fi
4847+
4848+  fi
4849+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__fmodl_use" >&5
4850+$as_echo "$glibcxx_cv_func__fmodl_use" >&6; }
4851+
4852+    if test x$glibcxx_cv_func__fmodl_use = x"yes"; then
4853+      for ac_func in _fmodl
4854+do :
4855+  ac_fn_c_check_func "$LINENO" "_fmodl" "ac_cv_func__fmodl"
4856+if test "x$ac_cv_func__fmodl" = x""yes; then :
4857+  cat >>confdefs.h <<_ACEOF
4858+#define HAVE__FMODL 1
4859+_ACEOF
4860+
4861+fi
4862+done
4863+
4864+    fi
4865+  fi
4866+
4867+
4868+
4869+
4870+
4871+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for frexpl declaration" >&5
4872+$as_echo_n "checking for frexpl declaration... " >&6; }
4873+  if test x${glibcxx_cv_func_frexpl_use+set} != xset; then
4874+    if test "${glibcxx_cv_func_frexpl_use+set}" = set; then :
4875+  $as_echo_n "(cached) " >&6
4876+else
4877+
4878+
4879+      ac_ext=cpp
4880+ac_cpp='$CXXCPP $CPPFLAGS'
4881+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4882+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4883+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4884+
4885+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4886+/* end confdefs.h.  */
4887+#include <math.h>
4888+int
4889+main ()
4890+{
4891+ frexpl(0, 0);
4892+  ;
4893+  return 0;
4894+}
4895+_ACEOF
4896+if ac_fn_cxx_try_compile "$LINENO"; then :
4897+  glibcxx_cv_func_frexpl_use=yes
4898+else
4899+  glibcxx_cv_func_frexpl_use=no
4900+fi
4901+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4902+      ac_ext=c
4903+ac_cpp='$CPP $CPPFLAGS'
4904+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4905+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4906+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4907+
4908+
4909+fi
4910+
4911+  fi
4912+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_frexpl_use" >&5
4913+$as_echo "$glibcxx_cv_func_frexpl_use" >&6; }
4914+
4915+  if test x$glibcxx_cv_func_frexpl_use = x"yes"; then
4916+    for ac_func in frexpl
4917+do :
4918+  ac_fn_c_check_func "$LINENO" "frexpl" "ac_cv_func_frexpl"
4919+if test "x$ac_cv_func_frexpl" = x""yes; then :
4920+  cat >>confdefs.h <<_ACEOF
4921+#define HAVE_FREXPL 1
4922+_ACEOF
4923+
4924+fi
4925+done
4926+
4927+  else
4928+
4929+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _frexpl declaration" >&5
4930+$as_echo_n "checking for _frexpl declaration... " >&6; }
4931+  if test x${glibcxx_cv_func__frexpl_use+set} != xset; then
4932+    if test "${glibcxx_cv_func__frexpl_use+set}" = set; then :
4933+  $as_echo_n "(cached) " >&6
4934+else
4935+
4936+
4937+      ac_ext=cpp
4938+ac_cpp='$CXXCPP $CPPFLAGS'
4939+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4940+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4941+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
4942+
4943+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
4944+/* end confdefs.h.  */
4945+#include <math.h>
4946+int
4947+main ()
4948+{
4949+ _frexpl(0, 0);
4950+  ;
4951+  return 0;
4952+}
4953+_ACEOF
4954+if ac_fn_cxx_try_compile "$LINENO"; then :
4955+  glibcxx_cv_func__frexpl_use=yes
4956+else
4957+  glibcxx_cv_func__frexpl_use=no
4958+fi
4959+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
4960+      ac_ext=c
4961+ac_cpp='$CPP $CPPFLAGS'
4962+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
4963+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
4964+ac_compiler_gnu=$ac_cv_c_compiler_gnu
4965+
4966+
4967+fi
4968+
4969+  fi
4970+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__frexpl_use" >&5
4971+$as_echo "$glibcxx_cv_func__frexpl_use" >&6; }
4972+
4973+    if test x$glibcxx_cv_func__frexpl_use = x"yes"; then
4974+      for ac_func in _frexpl
4975+do :
4976+  ac_fn_c_check_func "$LINENO" "_frexpl" "ac_cv_func__frexpl"
4977+if test "x$ac_cv_func__frexpl" = x""yes; then :
4978+  cat >>confdefs.h <<_ACEOF
4979+#define HAVE__FREXPL 1
4980+_ACEOF
4981+
4982+fi
4983+done
4984+
4985+    fi
4986+  fi
4987+
4988+
4989+
4990+
4991+
4992+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for hypotl declaration" >&5
4993+$as_echo_n "checking for hypotl declaration... " >&6; }
4994+  if test x${glibcxx_cv_func_hypotl_use+set} != xset; then
4995+    if test "${glibcxx_cv_func_hypotl_use+set}" = set; then :
4996+  $as_echo_n "(cached) " >&6
4997+else
4998+
4999+
5000+      ac_ext=cpp
5001+ac_cpp='$CXXCPP $CPPFLAGS'
5002+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5003+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5004+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5005+
5006+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5007+/* end confdefs.h.  */
5008+#include <math.h>
5009+int
5010+main ()
5011+{
5012+ hypotl(0, 0);
5013+  ;
5014+  return 0;
5015+}
5016+_ACEOF
5017+if ac_fn_cxx_try_compile "$LINENO"; then :
5018+  glibcxx_cv_func_hypotl_use=yes
5019+else
5020+  glibcxx_cv_func_hypotl_use=no
5021+fi
5022+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5023+      ac_ext=c
5024+ac_cpp='$CPP $CPPFLAGS'
5025+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5026+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5027+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5028+
5029+
5030+fi
5031+
5032+  fi
5033+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_hypotl_use" >&5
5034+$as_echo "$glibcxx_cv_func_hypotl_use" >&6; }
5035+
5036+  if test x$glibcxx_cv_func_hypotl_use = x"yes"; then
5037+    for ac_func in hypotl
5038+do :
5039+  ac_fn_c_check_func "$LINENO" "hypotl" "ac_cv_func_hypotl"
5040+if test "x$ac_cv_func_hypotl" = x""yes; then :
5041+  cat >>confdefs.h <<_ACEOF
5042+#define HAVE_HYPOTL 1
5043+_ACEOF
5044+
5045+fi
5046+done
5047+
5048+  else
5049+
5050+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _hypotl declaration" >&5
5051+$as_echo_n "checking for _hypotl declaration... " >&6; }
5052+  if test x${glibcxx_cv_func__hypotl_use+set} != xset; then
5053+    if test "${glibcxx_cv_func__hypotl_use+set}" = set; then :
5054+  $as_echo_n "(cached) " >&6
5055+else
5056+
5057+
5058+      ac_ext=cpp
5059+ac_cpp='$CXXCPP $CPPFLAGS'
5060+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5061+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5062+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5063+
5064+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5065+/* end confdefs.h.  */
5066+#include <math.h>
5067+int
5068+main ()
5069+{
5070+ _hypotl(0, 0);
5071+  ;
5072+  return 0;
5073+}
5074+_ACEOF
5075+if ac_fn_cxx_try_compile "$LINENO"; then :
5076+  glibcxx_cv_func__hypotl_use=yes
5077+else
5078+  glibcxx_cv_func__hypotl_use=no
5079+fi
5080+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5081+      ac_ext=c
5082+ac_cpp='$CPP $CPPFLAGS'
5083+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5084+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5085+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5086+
5087+
5088+fi
5089+
5090+  fi
5091+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__hypotl_use" >&5
5092+$as_echo "$glibcxx_cv_func__hypotl_use" >&6; }
5093+
5094+    if test x$glibcxx_cv_func__hypotl_use = x"yes"; then
5095+      for ac_func in _hypotl
5096+do :
5097+  ac_fn_c_check_func "$LINENO" "_hypotl" "ac_cv_func__hypotl"
5098+if test "x$ac_cv_func__hypotl" = x""yes; then :
5099+  cat >>confdefs.h <<_ACEOF
5100+#define HAVE__HYPOTL 1
5101+_ACEOF
5102+
5103+fi
5104+done
5105+
5106+    fi
5107+  fi
5108+
5109+
5110+
5111+
5112+
5113+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ldexpl declaration" >&5
5114+$as_echo_n "checking for ldexpl declaration... " >&6; }
5115+  if test x${glibcxx_cv_func_ldexpl_use+set} != xset; then
5116+    if test "${glibcxx_cv_func_ldexpl_use+set}" = set; then :
5117+  $as_echo_n "(cached) " >&6
5118+else
5119+
5120+
5121+      ac_ext=cpp
5122+ac_cpp='$CXXCPP $CPPFLAGS'
5123+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5124+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5125+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5126+
5127+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5128+/* end confdefs.h.  */
5129+#include <math.h>
5130+int
5131+main ()
5132+{
5133+ ldexpl(0, 0);
5134+  ;
5135+  return 0;
5136+}
5137+_ACEOF
5138+if ac_fn_cxx_try_compile "$LINENO"; then :
5139+  glibcxx_cv_func_ldexpl_use=yes
5140+else
5141+  glibcxx_cv_func_ldexpl_use=no
5142+fi
5143+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5144+      ac_ext=c
5145+ac_cpp='$CPP $CPPFLAGS'
5146+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5147+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5148+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5149+
5150+
5151+fi
5152+
5153+  fi
5154+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_ldexpl_use" >&5
5155+$as_echo "$glibcxx_cv_func_ldexpl_use" >&6; }
5156+
5157+  if test x$glibcxx_cv_func_ldexpl_use = x"yes"; then
5158+    for ac_func in ldexpl
5159+do :
5160+  ac_fn_c_check_func "$LINENO" "ldexpl" "ac_cv_func_ldexpl"
5161+if test "x$ac_cv_func_ldexpl" = x""yes; then :
5162+  cat >>confdefs.h <<_ACEOF
5163+#define HAVE_LDEXPL 1
5164+_ACEOF
5165+
5166+fi
5167+done
5168+
5169+  else
5170+
5171+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _ldexpl declaration" >&5
5172+$as_echo_n "checking for _ldexpl declaration... " >&6; }
5173+  if test x${glibcxx_cv_func__ldexpl_use+set} != xset; then
5174+    if test "${glibcxx_cv_func__ldexpl_use+set}" = set; then :
5175+  $as_echo_n "(cached) " >&6
5176+else
5177+
5178+
5179+      ac_ext=cpp
5180+ac_cpp='$CXXCPP $CPPFLAGS'
5181+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5182+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5183+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5184+
5185+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5186+/* end confdefs.h.  */
5187+#include <math.h>
5188+int
5189+main ()
5190+{
5191+ _ldexpl(0, 0);
5192+  ;
5193+  return 0;
5194+}
5195+_ACEOF
5196+if ac_fn_cxx_try_compile "$LINENO"; then :
5197+  glibcxx_cv_func__ldexpl_use=yes
5198+else
5199+  glibcxx_cv_func__ldexpl_use=no
5200+fi
5201+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5202+      ac_ext=c
5203+ac_cpp='$CPP $CPPFLAGS'
5204+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5205+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5206+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5207+
5208+
5209+fi
5210+
5211+  fi
5212+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__ldexpl_use" >&5
5213+$as_echo "$glibcxx_cv_func__ldexpl_use" >&6; }
5214+
5215+    if test x$glibcxx_cv_func__ldexpl_use = x"yes"; then
5216+      for ac_func in _ldexpl
5217+do :
5218+  ac_fn_c_check_func "$LINENO" "_ldexpl" "ac_cv_func__ldexpl"
5219+if test "x$ac_cv_func__ldexpl" = x""yes; then :
5220+  cat >>confdefs.h <<_ACEOF
5221+#define HAVE__LDEXPL 1
5222+_ACEOF
5223+
5224+fi
5225+done
5226+
5227+    fi
5228+  fi
5229+
5230+
5231+
5232+
5233+
5234+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for logl declaration" >&5
5235+$as_echo_n "checking for logl declaration... " >&6; }
5236+  if test x${glibcxx_cv_func_logl_use+set} != xset; then
5237+    if test "${glibcxx_cv_func_logl_use+set}" = set; then :
5238+  $as_echo_n "(cached) " >&6
5239+else
5240+
5241+
5242+      ac_ext=cpp
5243+ac_cpp='$CXXCPP $CPPFLAGS'
5244+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5245+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5246+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5247+
5248+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5249+/* end confdefs.h.  */
5250+#include <math.h>
5251+		      #ifdef HAVE_IEEEFP_H
5252+		      #include <ieeefp.h>
5253+		      #endif
5254+
5255+int
5256+main ()
5257+{
5258+ logl(0);
5259+  ;
5260+  return 0;
5261+}
5262+_ACEOF
5263+if ac_fn_cxx_try_compile "$LINENO"; then :
5264+  glibcxx_cv_func_logl_use=yes
5265+else
5266+  glibcxx_cv_func_logl_use=no
5267+fi
5268+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5269+      ac_ext=c
5270+ac_cpp='$CPP $CPPFLAGS'
5271+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5272+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5273+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5274+
5275+
5276+fi
5277+
5278+  fi
5279+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_logl_use" >&5
5280+$as_echo "$glibcxx_cv_func_logl_use" >&6; }
5281+
5282+  if test x$glibcxx_cv_func_logl_use = x"yes"; then
5283+    for ac_func in logl
5284+do :
5285+  ac_fn_c_check_func "$LINENO" "logl" "ac_cv_func_logl"
5286+if test "x$ac_cv_func_logl" = x""yes; then :
5287+  cat >>confdefs.h <<_ACEOF
5288+#define HAVE_LOGL 1
5289+_ACEOF
5290+
5291+fi
5292+done
5293+
5294+  else
5295+
5296+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _logl declaration" >&5
5297+$as_echo_n "checking for _logl declaration... " >&6; }
5298+  if test x${glibcxx_cv_func__logl_use+set} != xset; then
5299+    if test "${glibcxx_cv_func__logl_use+set}" = set; then :
5300+  $as_echo_n "(cached) " >&6
5301+else
5302+
5303+
5304+      ac_ext=cpp
5305+ac_cpp='$CXXCPP $CPPFLAGS'
5306+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5307+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5308+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5309+
5310+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5311+/* end confdefs.h.  */
5312+#include <math.h>
5313+		      #ifdef HAVE_IEEEFP_H
5314+		      #include <ieeefp.h>
5315+		      #endif
5316+
5317+int
5318+main ()
5319+{
5320+ _logl(0);
5321+  ;
5322+  return 0;
5323+}
5324+_ACEOF
5325+if ac_fn_cxx_try_compile "$LINENO"; then :
5326+  glibcxx_cv_func__logl_use=yes
5327+else
5328+  glibcxx_cv_func__logl_use=no
5329+fi
5330+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5331+      ac_ext=c
5332+ac_cpp='$CPP $CPPFLAGS'
5333+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5334+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5335+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5336+
5337+
5338+fi
5339+
5340+  fi
5341+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__logl_use" >&5
5342+$as_echo "$glibcxx_cv_func__logl_use" >&6; }
5343+
5344+    if test x$glibcxx_cv_func__logl_use = x"yes"; then
5345+      for ac_func in _logl
5346+do :
5347+  ac_fn_c_check_func "$LINENO" "_logl" "ac_cv_func__logl"
5348+if test "x$ac_cv_func__logl" = x""yes; then :
5349+  cat >>confdefs.h <<_ACEOF
5350+#define HAVE__LOGL 1
5351+_ACEOF
5352+
5353+fi
5354+done
5355+
5356+    fi
5357+  fi
5358+
5359+
5360+
5361+
5362+
5363+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for log10l declaration" >&5
5364+$as_echo_n "checking for log10l declaration... " >&6; }
5365+  if test x${glibcxx_cv_func_log10l_use+set} != xset; then
5366+    if test "${glibcxx_cv_func_log10l_use+set}" = set; then :
5367+  $as_echo_n "(cached) " >&6
5368+else
5369+
5370+
5371+      ac_ext=cpp
5372+ac_cpp='$CXXCPP $CPPFLAGS'
5373+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5374+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5375+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5376+
5377+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5378+/* end confdefs.h.  */
5379+#include <math.h>
5380+		      #ifdef HAVE_IEEEFP_H
5381+		      #include <ieeefp.h>
5382+		      #endif
5383+
5384+int
5385+main ()
5386+{
5387+ log10l(0);
5388+  ;
5389+  return 0;
5390+}
5391+_ACEOF
5392+if ac_fn_cxx_try_compile "$LINENO"; then :
5393+  glibcxx_cv_func_log10l_use=yes
5394+else
5395+  glibcxx_cv_func_log10l_use=no
5396+fi
5397+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5398+      ac_ext=c
5399+ac_cpp='$CPP $CPPFLAGS'
5400+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5401+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5402+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5403+
5404+
5405+fi
5406+
5407+  fi
5408+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_log10l_use" >&5
5409+$as_echo "$glibcxx_cv_func_log10l_use" >&6; }
5410+
5411+  if test x$glibcxx_cv_func_log10l_use = x"yes"; then
5412+    for ac_func in log10l
5413+do :
5414+  ac_fn_c_check_func "$LINENO" "log10l" "ac_cv_func_log10l"
5415+if test "x$ac_cv_func_log10l" = x""yes; then :
5416+  cat >>confdefs.h <<_ACEOF
5417+#define HAVE_LOG10L 1
5418+_ACEOF
5419+
5420+fi
5421+done
5422+
5423+  else
5424+
5425+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _log10l declaration" >&5
5426+$as_echo_n "checking for _log10l declaration... " >&6; }
5427+  if test x${glibcxx_cv_func__log10l_use+set} != xset; then
5428+    if test "${glibcxx_cv_func__log10l_use+set}" = set; then :
5429+  $as_echo_n "(cached) " >&6
5430+else
5431+
5432+
5433+      ac_ext=cpp
5434+ac_cpp='$CXXCPP $CPPFLAGS'
5435+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5436+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5437+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5438+
5439+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5440+/* end confdefs.h.  */
5441+#include <math.h>
5442+		      #ifdef HAVE_IEEEFP_H
5443+		      #include <ieeefp.h>
5444+		      #endif
5445+
5446+int
5447+main ()
5448+{
5449+ _log10l(0);
5450+  ;
5451+  return 0;
5452+}
5453+_ACEOF
5454+if ac_fn_cxx_try_compile "$LINENO"; then :
5455+  glibcxx_cv_func__log10l_use=yes
5456+else
5457+  glibcxx_cv_func__log10l_use=no
5458+fi
5459+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5460+      ac_ext=c
5461+ac_cpp='$CPP $CPPFLAGS'
5462+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5463+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5464+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5465+
5466+
5467+fi
5468+
5469+  fi
5470+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__log10l_use" >&5
5471+$as_echo "$glibcxx_cv_func__log10l_use" >&6; }
5472+
5473+    if test x$glibcxx_cv_func__log10l_use = x"yes"; then
5474+      for ac_func in _log10l
5475+do :
5476+  ac_fn_c_check_func "$LINENO" "_log10l" "ac_cv_func__log10l"
5477+if test "x$ac_cv_func__log10l" = x""yes; then :
5478+  cat >>confdefs.h <<_ACEOF
5479+#define HAVE__LOG10L 1
5480+_ACEOF
5481+
5482+fi
5483+done
5484+
5485+    fi
5486+  fi
5487+
5488+
5489+
5490+
5491+
5492+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for modfl declaration" >&5
5493+$as_echo_n "checking for modfl declaration... " >&6; }
5494+  if test x${glibcxx_cv_func_modfl_use+set} != xset; then
5495+    if test "${glibcxx_cv_func_modfl_use+set}" = set; then :
5496+  $as_echo_n "(cached) " >&6
5497+else
5498+
5499+
5500+      ac_ext=cpp
5501+ac_cpp='$CXXCPP $CPPFLAGS'
5502+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5503+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5504+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5505+
5506+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5507+/* end confdefs.h.  */
5508+#include <math.h>
5509+int
5510+main ()
5511+{
5512+ modfl(0, 0);
5513+  ;
5514+  return 0;
5515+}
5516+_ACEOF
5517+if ac_fn_cxx_try_compile "$LINENO"; then :
5518+  glibcxx_cv_func_modfl_use=yes
5519+else
5520+  glibcxx_cv_func_modfl_use=no
5521+fi
5522+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5523+      ac_ext=c
5524+ac_cpp='$CPP $CPPFLAGS'
5525+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5526+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5527+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5528+
5529+
5530+fi
5531+
5532+  fi
5533+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_modfl_use" >&5
5534+$as_echo "$glibcxx_cv_func_modfl_use" >&6; }
5535+
5536+  if test x$glibcxx_cv_func_modfl_use = x"yes"; then
5537+    for ac_func in modfl
5538+do :
5539+  ac_fn_c_check_func "$LINENO" "modfl" "ac_cv_func_modfl"
5540+if test "x$ac_cv_func_modfl" = x""yes; then :
5541+  cat >>confdefs.h <<_ACEOF
5542+#define HAVE_MODFL 1
5543+_ACEOF
5544+
5545+fi
5546+done
5547+
5548+  else
5549+
5550+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _modfl declaration" >&5
5551+$as_echo_n "checking for _modfl declaration... " >&6; }
5552+  if test x${glibcxx_cv_func__modfl_use+set} != xset; then
5553+    if test "${glibcxx_cv_func__modfl_use+set}" = set; then :
5554+  $as_echo_n "(cached) " >&6
5555+else
5556+
5557+
5558+      ac_ext=cpp
5559+ac_cpp='$CXXCPP $CPPFLAGS'
5560+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5561+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5562+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5563+
5564+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5565+/* end confdefs.h.  */
5566+#include <math.h>
5567+int
5568+main ()
5569+{
5570+ _modfl(0, 0);
5571+  ;
5572+  return 0;
5573+}
5574+_ACEOF
5575+if ac_fn_cxx_try_compile "$LINENO"; then :
5576+  glibcxx_cv_func__modfl_use=yes
5577+else
5578+  glibcxx_cv_func__modfl_use=no
5579+fi
5580+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5581+      ac_ext=c
5582+ac_cpp='$CPP $CPPFLAGS'
5583+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5584+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5585+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5586+
5587+
5588+fi
5589+
5590+  fi
5591+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__modfl_use" >&5
5592+$as_echo "$glibcxx_cv_func__modfl_use" >&6; }
5593+
5594+    if test x$glibcxx_cv_func__modfl_use = x"yes"; then
5595+      for ac_func in _modfl
5596+do :
5597+  ac_fn_c_check_func "$LINENO" "_modfl" "ac_cv_func__modfl"
5598+if test "x$ac_cv_func__modfl" = x""yes; then :
5599+  cat >>confdefs.h <<_ACEOF
5600+#define HAVE__MODFL 1
5601+_ACEOF
5602+
5603+fi
5604+done
5605+
5606+    fi
5607+  fi
5608+
5609+
5610+
5611+
5612+
5613+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for powl declaration" >&5
5614+$as_echo_n "checking for powl declaration... " >&6; }
5615+  if test x${glibcxx_cv_func_powl_use+set} != xset; then
5616+    if test "${glibcxx_cv_func_powl_use+set}" = set; then :
5617+  $as_echo_n "(cached) " >&6
5618+else
5619+
5620+
5621+      ac_ext=cpp
5622+ac_cpp='$CXXCPP $CPPFLAGS'
5623+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5624+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5625+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5626+
5627+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5628+/* end confdefs.h.  */
5629+#include <math.h>
5630+int
5631+main ()
5632+{
5633+ powl(0, 0);
5634+  ;
5635+  return 0;
5636+}
5637+_ACEOF
5638+if ac_fn_cxx_try_compile "$LINENO"; then :
5639+  glibcxx_cv_func_powl_use=yes
5640+else
5641+  glibcxx_cv_func_powl_use=no
5642+fi
5643+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5644+      ac_ext=c
5645+ac_cpp='$CPP $CPPFLAGS'
5646+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5647+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5648+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5649+
5650+
5651+fi
5652+
5653+  fi
5654+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_powl_use" >&5
5655+$as_echo "$glibcxx_cv_func_powl_use" >&6; }
5656+
5657+  if test x$glibcxx_cv_func_powl_use = x"yes"; then
5658+    for ac_func in powl
5659+do :
5660+  ac_fn_c_check_func "$LINENO" "powl" "ac_cv_func_powl"
5661+if test "x$ac_cv_func_powl" = x""yes; then :
5662+  cat >>confdefs.h <<_ACEOF
5663+#define HAVE_POWL 1
5664+_ACEOF
5665+
5666+fi
5667+done
5668+
5669+  else
5670+
5671+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _powl declaration" >&5
5672+$as_echo_n "checking for _powl declaration... " >&6; }
5673+  if test x${glibcxx_cv_func__powl_use+set} != xset; then
5674+    if test "${glibcxx_cv_func__powl_use+set}" = set; then :
5675+  $as_echo_n "(cached) " >&6
5676+else
5677+
5678+
5679+      ac_ext=cpp
5680+ac_cpp='$CXXCPP $CPPFLAGS'
5681+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5682+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5683+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5684+
5685+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5686+/* end confdefs.h.  */
5687+#include <math.h>
5688+int
5689+main ()
5690+{
5691+ _powl(0, 0);
5692+  ;
5693+  return 0;
5694+}
5695+_ACEOF
5696+if ac_fn_cxx_try_compile "$LINENO"; then :
5697+  glibcxx_cv_func__powl_use=yes
5698+else
5699+  glibcxx_cv_func__powl_use=no
5700+fi
5701+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5702+      ac_ext=c
5703+ac_cpp='$CPP $CPPFLAGS'
5704+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5705+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5706+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5707+
5708+
5709+fi
5710+
5711+  fi
5712+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__powl_use" >&5
5713+$as_echo "$glibcxx_cv_func__powl_use" >&6; }
5714+
5715+    if test x$glibcxx_cv_func__powl_use = x"yes"; then
5716+      for ac_func in _powl
5717+do :
5718+  ac_fn_c_check_func "$LINENO" "_powl" "ac_cv_func__powl"
5719+if test "x$ac_cv_func__powl" = x""yes; then :
5720+  cat >>confdefs.h <<_ACEOF
5721+#define HAVE__POWL 1
5722+_ACEOF
5723+
5724+fi
5725+done
5726+
5727+    fi
5728+  fi
5729+
5730+
5731+
5732+
5733+
5734+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sqrtl declaration" >&5
5735+$as_echo_n "checking for sqrtl declaration... " >&6; }
5736+  if test x${glibcxx_cv_func_sqrtl_use+set} != xset; then
5737+    if test "${glibcxx_cv_func_sqrtl_use+set}" = set; then :
5738+  $as_echo_n "(cached) " >&6
5739+else
5740+
5741+
5742+      ac_ext=cpp
5743+ac_cpp='$CXXCPP $CPPFLAGS'
5744+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5745+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5746+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5747+
5748+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5749+/* end confdefs.h.  */
5750+#include <math.h>
5751+		      #ifdef HAVE_IEEEFP_H
5752+		      #include <ieeefp.h>
5753+		      #endif
5754+
5755+int
5756+main ()
5757+{
5758+ sqrtl(0);
5759+  ;
5760+  return 0;
5761+}
5762+_ACEOF
5763+if ac_fn_cxx_try_compile "$LINENO"; then :
5764+  glibcxx_cv_func_sqrtl_use=yes
5765+else
5766+  glibcxx_cv_func_sqrtl_use=no
5767+fi
5768+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5769+      ac_ext=c
5770+ac_cpp='$CPP $CPPFLAGS'
5771+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5772+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5773+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5774+
5775+
5776+fi
5777+
5778+  fi
5779+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_sqrtl_use" >&5
5780+$as_echo "$glibcxx_cv_func_sqrtl_use" >&6; }
5781+
5782+  if test x$glibcxx_cv_func_sqrtl_use = x"yes"; then
5783+    for ac_func in sqrtl
5784+do :
5785+  ac_fn_c_check_func "$LINENO" "sqrtl" "ac_cv_func_sqrtl"
5786+if test "x$ac_cv_func_sqrtl" = x""yes; then :
5787+  cat >>confdefs.h <<_ACEOF
5788+#define HAVE_SQRTL 1
5789+_ACEOF
5790+
5791+fi
5792+done
5793+
5794+  else
5795+
5796+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _sqrtl declaration" >&5
5797+$as_echo_n "checking for _sqrtl declaration... " >&6; }
5798+  if test x${glibcxx_cv_func__sqrtl_use+set} != xset; then
5799+    if test "${glibcxx_cv_func__sqrtl_use+set}" = set; then :
5800+  $as_echo_n "(cached) " >&6
5801+else
5802+
5803+
5804+      ac_ext=cpp
5805+ac_cpp='$CXXCPP $CPPFLAGS'
5806+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5807+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5808+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5809+
5810+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5811+/* end confdefs.h.  */
5812+#include <math.h>
5813+		      #ifdef HAVE_IEEEFP_H
5814+		      #include <ieeefp.h>
5815+		      #endif
5816+
5817+int
5818+main ()
5819+{
5820+ _sqrtl(0);
5821+  ;
5822+  return 0;
5823+}
5824+_ACEOF
5825+if ac_fn_cxx_try_compile "$LINENO"; then :
5826+  glibcxx_cv_func__sqrtl_use=yes
5827+else
5828+  glibcxx_cv_func__sqrtl_use=no
5829+fi
5830+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5831+      ac_ext=c
5832+ac_cpp='$CPP $CPPFLAGS'
5833+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5834+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5835+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5836+
5837+
5838+fi
5839+
5840+  fi
5841+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__sqrtl_use" >&5
5842+$as_echo "$glibcxx_cv_func__sqrtl_use" >&6; }
5843+
5844+    if test x$glibcxx_cv_func__sqrtl_use = x"yes"; then
5845+      for ac_func in _sqrtl
5846+do :
5847+  ac_fn_c_check_func "$LINENO" "_sqrtl" "ac_cv_func__sqrtl"
5848+if test "x$ac_cv_func__sqrtl" = x""yes; then :
5849+  cat >>confdefs.h <<_ACEOF
5850+#define HAVE__SQRTL 1
5851+_ACEOF
5852+
5853+fi
5854+done
5855+
5856+    fi
5857+  fi
5858+
5859+
5860+
5861+
5862+
5863+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sincosl declaration" >&5
5864+$as_echo_n "checking for sincosl declaration... " >&6; }
5865+  if test x${glibcxx_cv_func_sincosl_use+set} != xset; then
5866+    if test "${glibcxx_cv_func_sincosl_use+set}" = set; then :
5867+  $as_echo_n "(cached) " >&6
5868+else
5869+
5870+
5871+      ac_ext=cpp
5872+ac_cpp='$CXXCPP $CPPFLAGS'
5873+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5874+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5875+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5876+
5877+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5878+/* end confdefs.h.  */
5879+#include <math.h>
5880+int
5881+main ()
5882+{
5883+ sincosl(0, 0, 0);
5884+  ;
5885+  return 0;
5886+}
5887+_ACEOF
5888+if ac_fn_cxx_try_compile "$LINENO"; then :
5889+  glibcxx_cv_func_sincosl_use=yes
5890+else
5891+  glibcxx_cv_func_sincosl_use=no
5892+fi
5893+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5894+      ac_ext=c
5895+ac_cpp='$CPP $CPPFLAGS'
5896+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5897+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5898+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5899+
5900+
5901+fi
5902+
5903+  fi
5904+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_sincosl_use" >&5
5905+$as_echo "$glibcxx_cv_func_sincosl_use" >&6; }
5906+
5907+  if test x$glibcxx_cv_func_sincosl_use = x"yes"; then
5908+    for ac_func in sincosl
5909+do :
5910+  ac_fn_c_check_func "$LINENO" "sincosl" "ac_cv_func_sincosl"
5911+if test "x$ac_cv_func_sincosl" = x""yes; then :
5912+  cat >>confdefs.h <<_ACEOF
5913+#define HAVE_SINCOSL 1
5914+_ACEOF
5915+
5916+fi
5917+done
5918+
5919+  else
5920+
5921+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _sincosl declaration" >&5
5922+$as_echo_n "checking for _sincosl declaration... " >&6; }
5923+  if test x${glibcxx_cv_func__sincosl_use+set} != xset; then
5924+    if test "${glibcxx_cv_func__sincosl_use+set}" = set; then :
5925+  $as_echo_n "(cached) " >&6
5926+else
5927+
5928+
5929+      ac_ext=cpp
5930+ac_cpp='$CXXCPP $CPPFLAGS'
5931+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5932+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5933+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5934+
5935+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5936+/* end confdefs.h.  */
5937+#include <math.h>
5938+int
5939+main ()
5940+{
5941+ _sincosl(0, 0, 0);
5942+  ;
5943+  return 0;
5944+}
5945+_ACEOF
5946+if ac_fn_cxx_try_compile "$LINENO"; then :
5947+  glibcxx_cv_func__sincosl_use=yes
5948+else
5949+  glibcxx_cv_func__sincosl_use=no
5950+fi
5951+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
5952+      ac_ext=c
5953+ac_cpp='$CPP $CPPFLAGS'
5954+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5955+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5956+ac_compiler_gnu=$ac_cv_c_compiler_gnu
5957+
5958+
5959+fi
5960+
5961+  fi
5962+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__sincosl_use" >&5
5963+$as_echo "$glibcxx_cv_func__sincosl_use" >&6; }
5964+
5965+    if test x$glibcxx_cv_func__sincosl_use = x"yes"; then
5966+      for ac_func in _sincosl
5967+do :
5968+  ac_fn_c_check_func "$LINENO" "_sincosl" "ac_cv_func__sincosl"
5969+if test "x$ac_cv_func__sincosl" = x""yes; then :
5970+  cat >>confdefs.h <<_ACEOF
5971+#define HAVE__SINCOSL 1
5972+_ACEOF
5973+
5974+fi
5975+done
5976+
5977+    fi
5978+  fi
5979+
5980+
5981+
5982+
5983+
5984+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for finitel declaration" >&5
5985+$as_echo_n "checking for finitel declaration... " >&6; }
5986+  if test x${glibcxx_cv_func_finitel_use+set} != xset; then
5987+    if test "${glibcxx_cv_func_finitel_use+set}" = set; then :
5988+  $as_echo_n "(cached) " >&6
5989+else
5990+
5991+
5992+      ac_ext=cpp
5993+ac_cpp='$CXXCPP $CPPFLAGS'
5994+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
5995+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
5996+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
5997+
5998+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
5999+/* end confdefs.h.  */
6000+#include <math.h>
6001+		      #ifdef HAVE_IEEEFP_H
6002+		      #include <ieeefp.h>
6003+		      #endif
6004+
6005+int
6006+main ()
6007+{
6008+ finitel(0);
6009+  ;
6010+  return 0;
6011+}
6012+_ACEOF
6013+if ac_fn_cxx_try_compile "$LINENO"; then :
6014+  glibcxx_cv_func_finitel_use=yes
6015+else
6016+  glibcxx_cv_func_finitel_use=no
6017+fi
6018+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6019+      ac_ext=c
6020+ac_cpp='$CPP $CPPFLAGS'
6021+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6022+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6023+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6024+
6025+
6026+fi
6027+
6028+  fi
6029+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_finitel_use" >&5
6030+$as_echo "$glibcxx_cv_func_finitel_use" >&6; }
6031+
6032+  if test x$glibcxx_cv_func_finitel_use = x"yes"; then
6033+    for ac_func in finitel
6034+do :
6035+  ac_fn_c_check_func "$LINENO" "finitel" "ac_cv_func_finitel"
6036+if test "x$ac_cv_func_finitel" = x""yes; then :
6037+  cat >>confdefs.h <<_ACEOF
6038+#define HAVE_FINITEL 1
6039+_ACEOF
6040+
6041+fi
6042+done
6043+
6044+  else
6045+
6046+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _finitel declaration" >&5
6047+$as_echo_n "checking for _finitel declaration... " >&6; }
6048+  if test x${glibcxx_cv_func__finitel_use+set} != xset; then
6049+    if test "${glibcxx_cv_func__finitel_use+set}" = set; then :
6050+  $as_echo_n "(cached) " >&6
6051+else
6052+
6053+
6054+      ac_ext=cpp
6055+ac_cpp='$CXXCPP $CPPFLAGS'
6056+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6057+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6058+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
6059+
6060+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
6061+/* end confdefs.h.  */
6062+#include <math.h>
6063+		      #ifdef HAVE_IEEEFP_H
6064+		      #include <ieeefp.h>
6065+		      #endif
6066+
6067+int
6068+main ()
6069+{
6070+ _finitel(0);
6071+  ;
6072+  return 0;
6073+}
6074+_ACEOF
6075+if ac_fn_cxx_try_compile "$LINENO"; then :
6076+  glibcxx_cv_func__finitel_use=yes
6077+else
6078+  glibcxx_cv_func__finitel_use=no
6079+fi
6080+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6081+      ac_ext=c
6082+ac_cpp='$CPP $CPPFLAGS'
6083+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6084+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6085+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6086+
6087+
6088+fi
6089+
6090+  fi
6091+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func__finitel_use" >&5
6092+$as_echo "$glibcxx_cv_func__finitel_use" >&6; }
6093+
6094+    if test x$glibcxx_cv_func__finitel_use = x"yes"; then
6095+      for ac_func in _finitel
6096+do :
6097+  ac_fn_c_check_func "$LINENO" "_finitel" "ac_cv_func__finitel"
6098+if test "x$ac_cv_func__finitel" = x""yes; then :
6099+  cat >>confdefs.h <<_ACEOF
6100+#define HAVE__FINITEL 1
6101+_ACEOF
6102+
6103+fi
6104+done
6105+
6106+    fi
6107+  fi
6108+
6109+
6110+
6111+
6112+  LIBS="$ac_save_LIBS"
6113+  CXXFLAGS="$ac_save_CXXFLAGS"
6114+
6115+
6116+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
6117+  ac_save_CXXFLAGS="$CXXFLAGS"
6118+  CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
6119+
6120+
6121+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for at_quick_exit declaration" >&5
6122+$as_echo_n "checking for at_quick_exit declaration... " >&6; }
6123+  if test x${glibcxx_cv_func_at_quick_exit_use+set} != xset; then
6124+    if test "${glibcxx_cv_func_at_quick_exit_use+set}" = set; then :
6125+  $as_echo_n "(cached) " >&6
6126+else
6127+
6128+
6129+      ac_ext=cpp
6130+ac_cpp='$CXXCPP $CPPFLAGS'
6131+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6132+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6133+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
6134+
6135+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
6136+/* end confdefs.h.  */
6137+#include <stdlib.h>
6138+int
6139+main ()
6140+{
6141+ at_quick_exit(0);
6142+  ;
6143+  return 0;
6144+}
6145+_ACEOF
6146+if ac_fn_cxx_try_compile "$LINENO"; then :
6147+  glibcxx_cv_func_at_quick_exit_use=yes
6148+else
6149+  glibcxx_cv_func_at_quick_exit_use=no
6150+fi
6151+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6152+      ac_ext=c
6153+ac_cpp='$CPP $CPPFLAGS'
6154+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6155+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6156+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6157+
6158+
6159+fi
6160+
6161+  fi
6162+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_at_quick_exit_use" >&5
6163+$as_echo "$glibcxx_cv_func_at_quick_exit_use" >&6; }
6164+  if test x$glibcxx_cv_func_at_quick_exit_use = x"yes"; then
6165+    for ac_func in at_quick_exit
6166+do :
6167+  ac_fn_c_check_func "$LINENO" "at_quick_exit" "ac_cv_func_at_quick_exit"
6168+if test "x$ac_cv_func_at_quick_exit" = x""yes; then :
6169+  cat >>confdefs.h <<_ACEOF
6170+#define HAVE_AT_QUICK_EXIT 1
6171+_ACEOF
6172+
6173+fi
6174+done
6175+
6176+  fi
6177+
6178+
6179+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for quick_exit declaration" >&5
6180+$as_echo_n "checking for quick_exit declaration... " >&6; }
6181+  if test x${glibcxx_cv_func_quick_exit_use+set} != xset; then
6182+    if test "${glibcxx_cv_func_quick_exit_use+set}" = set; then :
6183+  $as_echo_n "(cached) " >&6
6184+else
6185+
6186+
6187+      ac_ext=cpp
6188+ac_cpp='$CXXCPP $CPPFLAGS'
6189+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6190+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6191+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
6192+
6193+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
6194+/* end confdefs.h.  */
6195+#include <stdlib.h>
6196+int
6197+main ()
6198+{
6199+ quick_exit(0);
6200+  ;
6201+  return 0;
6202+}
6203+_ACEOF
6204+if ac_fn_cxx_try_compile "$LINENO"; then :
6205+  glibcxx_cv_func_quick_exit_use=yes
6206+else
6207+  glibcxx_cv_func_quick_exit_use=no
6208+fi
6209+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6210+      ac_ext=c
6211+ac_cpp='$CPP $CPPFLAGS'
6212+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6213+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6214+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6215+
6216+
6217+fi
6218+
6219+  fi
6220+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_quick_exit_use" >&5
6221+$as_echo "$glibcxx_cv_func_quick_exit_use" >&6; }
6222+  if test x$glibcxx_cv_func_quick_exit_use = x"yes"; then
6223+    for ac_func in quick_exit
6224+do :
6225+  ac_fn_c_check_func "$LINENO" "quick_exit" "ac_cv_func_quick_exit"
6226+if test "x$ac_cv_func_quick_exit" = x""yes; then :
6227+  cat >>confdefs.h <<_ACEOF
6228+#define HAVE_QUICK_EXIT 1
6229+_ACEOF
6230+
6231+fi
6232+done
6233+
6234+  fi
6235+
6236+
6237+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strtold declaration" >&5
6238+$as_echo_n "checking for strtold declaration... " >&6; }
6239+  if test x${glibcxx_cv_func_strtold_use+set} != xset; then
6240+    if test "${glibcxx_cv_func_strtold_use+set}" = set; then :
6241+  $as_echo_n "(cached) " >&6
6242+else
6243+
6244+
6245+      ac_ext=cpp
6246+ac_cpp='$CXXCPP $CPPFLAGS'
6247+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6248+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6249+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
6250+
6251+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
6252+/* end confdefs.h.  */
6253+#include <stdlib.h>
6254+int
6255+main ()
6256+{
6257+ strtold(0, 0);
6258+  ;
6259+  return 0;
6260+}
6261+_ACEOF
6262+if ac_fn_cxx_try_compile "$LINENO"; then :
6263+  glibcxx_cv_func_strtold_use=yes
6264+else
6265+  glibcxx_cv_func_strtold_use=no
6266+fi
6267+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6268+      ac_ext=c
6269+ac_cpp='$CPP $CPPFLAGS'
6270+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6271+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6272+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6273+
6274+
6275+fi
6276+
6277+  fi
6278+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_strtold_use" >&5
6279+$as_echo "$glibcxx_cv_func_strtold_use" >&6; }
6280+  if test x$glibcxx_cv_func_strtold_use = x"yes"; then
6281+    for ac_func in strtold
6282+do :
6283+  ac_fn_c_check_func "$LINENO" "strtold" "ac_cv_func_strtold"
6284+if test "x$ac_cv_func_strtold" = x""yes; then :
6285+  cat >>confdefs.h <<_ACEOF
6286+#define HAVE_STRTOLD 1
6287+_ACEOF
6288+
6289+fi
6290+done
6291+
6292+  fi
6293+
6294+
6295+
6296+
6297+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for strtof declaration" >&5
6298+$as_echo_n "checking for strtof declaration... " >&6; }
6299+  if test x${glibcxx_cv_func_strtof_use+set} != xset; then
6300+    if test "${glibcxx_cv_func_strtof_use+set}" = set; then :
6301+  $as_echo_n "(cached) " >&6
6302+else
6303+
6304+
6305+      ac_ext=cpp
6306+ac_cpp='$CXXCPP $CPPFLAGS'
6307+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6308+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6309+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
6310+
6311+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
6312+/* end confdefs.h.  */
6313+#include <stdlib.h>
6314+int
6315+main ()
6316+{
6317+ strtof(0, 0);
6318+  ;
6319+  return 0;
6320+}
6321+_ACEOF
6322+if ac_fn_cxx_try_compile "$LINENO"; then :
6323+  glibcxx_cv_func_strtof_use=yes
6324+else
6325+  glibcxx_cv_func_strtof_use=no
6326+fi
6327+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
6328+      ac_ext=c
6329+ac_cpp='$CPP $CPPFLAGS'
6330+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
6331+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
6332+ac_compiler_gnu=$ac_cv_c_compiler_gnu
6333+
6334+
6335+fi
6336+
6337+  fi
6338+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibcxx_cv_func_strtof_use" >&5
6339+$as_echo "$glibcxx_cv_func_strtof_use" >&6; }
6340+  if test x$glibcxx_cv_func_strtof_use = x"yes"; then
6341+    for ac_func in strtof
6342+do :
6343+  ac_fn_c_check_func "$LINENO" "strtof" "ac_cv_func_strtof"
6344+if test "x$ac_cv_func_strtof" = x""yes; then :
6345+  cat >>confdefs.h <<_ACEOF
6346+#define HAVE_STRTOF 1
6347+_ACEOF
6348+
6349+fi
6350+done
6351+
6352+  fi
6353+
6354+
6355+
6356+
6357+  CXXFLAGS="$ac_save_CXXFLAGS"
6358+
6359+    ;;
6360   *-mingw32*)
6361 
6362   # If we're not using GNU ld, then there's no point in even trying these
6363diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
6364index 943ea676ea27..3e4e92454568 100644
6365--- a/libstdc++-v3/crossconfig.m4
6366+++ b/libstdc++-v3/crossconfig.m4
6367@@ -150,6 +150,12 @@ case "${host}" in
6368     GCC_CHECK_TLS
6369     AM_ICONV
6370     ;;
6371+  *-barrelfish*)
6372+    GLIBCXX_CHECK_COMPILER_FEATURES
6373+    GLIBCXX_CHECK_LINKER_FEATURES
6374+    GLIBCXX_CHECK_MATH_SUPPORT
6375+    GLIBCXX_CHECK_STDLIB_SUPPORT
6376+    ;;
6377   *-mingw32*)
6378     GLIBCXX_CHECK_LINKER_FEATURES
6379     GLIBCXX_CHECK_MATH_SUPPORT
6380diff --git a/libstdc++-v3/include/c_global/csignal b/libstdc++-v3/include/c_global/csignal
6381index 16446f502829..aa0f0067b044 100644
6382--- a/libstdc++-v3/include/c_global/csignal
6383+++ b/libstdc++-v3/include/c_global/csignal
6384@@ -49,9 +49,9 @@
6385 
6386 namespace std
6387 {
6388-  using ::sig_atomic_t;
6389+  //using ::sig_atomic_t;
6390   using ::signal;
6391-  using ::raise;
6392+  //using ::raise;
6393 } // namespace std
6394 
6395 #endif
6396