toolchain.m4 revision 930:9dc6651aec45
1#
2# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4#
5# This code is free software; you can redistribute it and/or modify it
6# under the terms of the GNU General Public License version 2 only, as
7# published by the Free Software Foundation.  Oracle designates this
8# particular file as subject to the "Classpath" exception as provided
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10#
11# This code is distributed in the hope that it will be useful, but WITHOUT
12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14# version 2 for more details (a copy is included in the LICENSE file that
15# accompanied this code).
16#
17# You should have received a copy of the GNU General Public License version
18# 2 along with this work; if not, write to the Free Software Foundation,
19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20#
21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22# or visit www.oracle.com if you need additional information or have any
23# questions.
24#
25
26# $1 = compiler to test (CC or CXX)
27# $2 = human readable name of compiler (C or C++)
28AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
29[
30  COMPILER=[$]$1
31  COMPILER_NAME=$2
32
33  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
34    # Make sure we use the Sun Studio compiler and not gcc on Solaris, which won't work
35    COMPILER_VERSION_TEST=`$COMPILER -V 2>&1 | $HEAD -n 1`
36    $ECHO $COMPILER_VERSION_TEST | $GREP "^.*: Sun $COMPILER_NAME" > /dev/null
37    if test $? -ne 0; then
38      GCC_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
39
40      AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required Sun Studio compiler.])
41      AC_MSG_NOTICE([The result from running with -V was: "$COMPILER_VERSION_TEST" and with --version: "$GCC_VERSION_TEST"])
42      AC_MSG_ERROR([Sun Studio compiler is required. Try setting --with-tools-dir.])
43    else
44      COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*@<:@ ,\t@:>@$COMPILER_NAME@<:@ ,\t@:>@\(@<:@1-9@:>@\.@<:@0-9@:>@@<:@0-9@:>@*\).*/\1/p"`
45      COMPILER_VENDOR="Sun Studio"
46    fi
47  elif test  "x$OPENJDK_TARGET_OS" = xwindows; then
48    # First line typically looks something like:
49    # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.40219.01 for 80x86
50    COMPILER_VERSION_TEST=`$COMPILER 2>&1 | $HEAD -n 1 | $TR -d '\r'`
51    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.*Version \(@<:@1-9@:>@@<:@0-9.@:>@*\) .*/\1/p"`
52    COMPILER_VENDOR="Microsoft CL.EXE"
53    COMPILER_CPU_TEST=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* for \(.*\)$/\1/p"`
54    if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
55      if test "x$COMPILER_CPU_TEST" != "x80x86"; then
56        AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
57      fi
58    elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
59      if test "x$COMPILER_CPU_TEST" != "xx64"; then
60        AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
61      fi
62    fi
63  else
64    COMPILER_VERSION_TEST=`$COMPILER --version 2>&1 | $HEAD -n 1`
65    # Check that this is likely to be GCC.
66    $COMPILER --version 2>&1 | $GREP "Free Software Foundation" > /dev/null
67    if test $? -ne 0; then
68      AC_MSG_NOTICE([The $COMPILER_NAME compiler (located as $COMPILER) does not seem to be the required GCC compiler.])
69      AC_MSG_NOTICE([The result from running with --version was: "$COMPILER_VERSION_TEST"])
70      AC_MSG_ERROR([GCC compiler is required. Try setting --with-tools-dir.])
71    fi
72
73    # First line typically looks something like:
74    # gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
75    COMPILER_VERSION=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^.* \(@<:@1-9@:>@@<:@0-9.@:>@*\)/\1/p"`
76    COMPILER_VENDOR=`$ECHO $COMPILER_VERSION_TEST | $SED -n "s/^\(.*\) @<:@1-9@:>@@<:@0-9.@:>@*/\1/p"`
77  fi
78  # This sets CC_VERSION or CXX_VERSION. (This comment is a grep marker)
79  $1_VERSION="$COMPILER_VERSION"
80  # This sets CC_VENDOR or CXX_VENDOR. (This comment is a grep marker)
81  $1_VENDOR="$COMPILER_VENDOR"
82
83  AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
84])
85
86
87AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
88[
89  ###############################################################################
90  #
91  # Configure the development tool paths and potential sysroot.
92  #
93  AC_LANG(C++)
94
95  # The option used to specify the target .o,.a or .so file.
96  # When compiling, how to specify the to be created object file.
97  CC_OUT_OPTION='-o$(SPACE)'
98  # When linking, how to specify the to be created executable.
99  EXE_OUT_OPTION='-o$(SPACE)'
100  # When linking, how to specify the to be created dynamically linkable library.
101  LD_OUT_OPTION='-o$(SPACE)'
102  # When archiving, how to specify the to be create static archive for object files.
103  AR_OUT_OPTION='rcs$(SPACE)'
104  AC_SUBST(CC_OUT_OPTION)
105  AC_SUBST(EXE_OUT_OPTION)
106  AC_SUBST(LD_OUT_OPTION)
107  AC_SUBST(AR_OUT_OPTION)
108])
109
110# $1 = compiler to test (CC or CXX)
111# $2 = human readable name of compiler (C or C++)
112# $3 = list of compiler names to search for
113AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
114[
115  COMPILER_NAME=$2
116
117  $1=
118  # If TOOLS_DIR is set, check for all compiler names in there first
119  # before checking the rest of the PATH.
120  if test -n "$TOOLS_DIR"; then
121    PATH_save="$PATH"
122    PATH="$TOOLS_DIR"
123    AC_PATH_PROGS(TOOLS_DIR_$1, $3)
124    $1=$TOOLS_DIR_$1
125    PATH="$PATH_save"
126  fi
127
128  # AC_PATH_PROGS can't be run multiple times with the same variable,
129  # so create a new name for this run.
130  if test "x[$]$1" = x; then
131    AC_PATH_PROGS(POTENTIAL_$1, $3)
132    $1=$POTENTIAL_$1
133  fi
134
135  if test "x[$]$1" = x; then
136    HELP_MSG_MISSING_DEPENDENCY([devkit])
137    AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
138  fi
139  BASIC_FIXUP_EXECUTABLE($1)
140  AC_MSG_CHECKING([resolved symbolic links for $1])
141  TEST_COMPILER="[$]$1"
142  BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
143  AC_MSG_RESULT([$TEST_COMPILER])
144  AC_MSG_CHECKING([if $1 is disguised ccache])
145
146  COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
147  if test "x$COMPILER_BASENAME" = "xccache"; then
148    AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
149    # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
150    # We want to control ccache invocation ourselves, so ignore this cc and try
151    # searching again.
152
153    # Remove the path to the fake ccache cc from the PATH
154    RETRY_COMPILER_SAVED_PATH="$PATH"
155    COMPILER_DIRNAME=`$DIRNAME [$]$1`
156    PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
157
158    # Try again looking for our compiler
159    AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
160    BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
161    PATH="$RETRY_COMPILER_SAVED_PATH"
162
163    AC_MSG_CHECKING([for resolved symbolic links for $1])
164    BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
165    AC_MSG_RESULT([$PROPER_COMPILER_$1])
166    $1="$PROPER_COMPILER_$1"
167  else
168    AC_MSG_RESULT([no, keeping $1])
169  fi
170
171  TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
172])
173
174
175AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
176[
177  if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
178    TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
179    TOOLCHAIN_SETUP_MSVCR_DLL
180    BASIC_DEPRECATED_ARG_WITH([dxsdk])
181    BASIC_DEPRECATED_ARG_WITH([dxsdk-lib])
182    BASIC_DEPRECATED_ARG_WITH([dxsdk-include])
183  fi
184
185  AC_SUBST(MSVCR_DLL)
186
187  # If --build AND --host is set, then the configure script will find any
188  # cross compilation tools in the PATH. Cross compilation tools
189  # follows the cross compilation standard where they are prefixed with ${host}.
190  # For example the binary i686-sun-solaris2.10-gcc
191  # will cross compile for i686-sun-solaris2.10
192  # If neither of build and host is not set, then build=host and the
193  # default compiler found in the path will be used.
194  # Setting only --host, does not seem to be really supported.
195  # Please set both --build and --host if you want to cross compile.
196
197  if test "x$COMPILE_TYPE" = "xcross"; then
198    # Now we to find a C/C++ compiler that can build executables for the build
199    # platform. We can't use the AC_PROG_CC macro, since it can only be used
200    # once. Also, we need to do this before adding a tools dir to the path,
201    # otherwise we might pick up cross-compilers which don't use standard naming.
202    # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
203    # to wait until they are properly discovered.
204    AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
205    BASIC_FIXUP_EXECUTABLE(BUILD_CC)
206    AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
207    BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
208    AC_PATH_PROG(BUILD_LD, ld)
209    BASIC_FIXUP_EXECUTABLE(BUILD_LD)
210  fi
211  AC_SUBST(BUILD_CC)
212  AC_SUBST(BUILD_CXX)
213  AC_SUBST(BUILD_LD)
214
215  # If a devkit is found on the builddeps server, then prepend its path to the
216  # PATH variable. If there are cross compilers available in the devkit, these
217  # will be found by AC_PROG_CC et al.
218  DEVKIT=
219  BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
220      [
221        # Found devkit
222        PATH="$DEVKIT/bin:$PATH"
223        SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
224        if test "x$x_includes" = "xNONE"; then
225          x_includes="$SYS_ROOT/usr/include/X11"
226        fi
227        if test "x$x_libraries" = "xNONE"; then
228          x_libraries="$SYS_ROOT/usr/lib"
229        fi
230      ],
231      [])
232
233  # Store the CFLAGS etal passed to the configure script.
234  ORG_CFLAGS="$CFLAGS"
235  ORG_CXXFLAGS="$CXXFLAGS"
236  ORG_OBJCFLAGS="$OBJCFLAGS"
237
238  # autoconf magic only relies on PATH, so update it if tools dir is specified
239  OLD_PATH="$PATH"
240  if test "x$TOOLS_DIR" != x; then
241    PATH=$TOOLS_DIR:$PATH
242  fi
243
244
245  ### Locate C compiler (CC)
246
247  # On windows, only cl.exe is supported.
248  # On Solaris, cc is preferred to gcc.
249  # Elsewhere, gcc is preferred to cc.
250
251  if test "x$CC" != x; then
252    COMPILER_CHECK_LIST="$CC"
253  elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
254    COMPILER_CHECK_LIST="cl"
255  elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
256    COMPILER_CHECK_LIST="cc gcc"
257  else
258    COMPILER_CHECK_LIST="gcc cc"
259  fi
260
261  TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
262  # Now that we have resolved CC ourself, let autoconf have its go at it
263  AC_PROG_CC([$CC])
264
265  ### Locate C++ compiler (CXX)
266
267  if test "x$CXX" != x; then
268    COMPILER_CHECK_LIST="$CXX"
269  elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
270    COMPILER_CHECK_LIST="cl"
271  elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
272    COMPILER_CHECK_LIST="CC g++"
273  else
274    COMPILER_CHECK_LIST="g++ CC"
275  fi
276
277  TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
278  # Now that we have resolved CXX ourself, let autoconf have its go at it
279  AC_PROG_CXX([$CXX])
280
281  ### Locate other tools
282
283  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
284    AC_PROG_OBJC
285    BASIC_FIXUP_EXECUTABLE(OBJC)
286  else
287    OBJC=
288  fi
289
290  # Restore the flags to the user specified values.
291  # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
292  CFLAGS="$ORG_CFLAGS"
293  CXXFLAGS="$ORG_CXXFLAGS"
294  OBJCFLAGS="$ORG_OBJCFLAGS"
295
296  LD="$CC"
297  LDEXE="$CC"
298  LDCXX="$CXX"
299  LDEXECXX="$CXX"
300  AC_SUBST(LD)
301  # LDEXE is the linker to use, when creating executables.
302  AC_SUBST(LDEXE)
303  # Linking C++ libraries.
304  AC_SUBST(LDCXX)
305  # Linking C++ executables.
306  AC_SUBST(LDEXECXX)
307
308  if test "x$OPENJDK_TARGET_OS" != xwindows; then
309    AC_CHECK_TOOL(AR, ar)
310    BASIC_FIXUP_EXECUTABLE(AR)
311  fi
312  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
313    ARFLAGS="-r"
314  else
315    ARFLAGS=""
316  fi
317  AC_SUBST(ARFLAGS)
318
319  # For hotspot, we need these in Windows mixed path; other platforms keep them the same
320  HOTSPOT_CXX="$CXX"
321  HOTSPOT_LD="$LD"
322  AC_SUBST(HOTSPOT_CXX)
323  AC_SUBST(HOTSPOT_LD)
324
325  COMPILER_NAME=gcc
326  COMPILER_TYPE=CC
327  AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
328    # For now, assume that we are always compiling using cl.exe.
329    CC_OUT_OPTION=-Fo
330    EXE_OUT_OPTION=-out:
331    LD_OUT_OPTION=-out:
332    AR_OUT_OPTION=-out:
333    # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
334    # program for something completely different.
335    AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
336    # Since we must ignore the first found link, WINLD will contain
337    # the full path to the link.exe program.
338    BASIC_FIXUP_EXECUTABLE(WINLD)
339    printf "Windows linker was found at $WINLD\n"
340    AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
341    "$WINLD" --version > /dev/null
342    if test $? -eq 0 ; then
343      AC_MSG_RESULT([no])
344      AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
345    else
346      AC_MSG_RESULT([yes])
347    fi
348    LD="$WINLD"
349    LDEXE="$WINLD"
350    LDCXX="$WINLD"
351    LDEXECXX="$WINLD"
352
353    AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
354    BASIC_FIXUP_EXECUTABLE(MT)
355    # The resource compiler
356    AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
357    BASIC_FIXUP_EXECUTABLE(RC)
358
359    # For hotspot, we need these in Windows mixed path,
360    # so rewrite them all. Need added .exe suffix.
361    HOTSPOT_CXX="$CXX.exe"
362    HOTSPOT_LD="$LD.exe"
363    HOTSPOT_MT="$MT.exe"
364    HOTSPOT_RC="$RC.exe"
365    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
366    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
367    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
368    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
369    AC_SUBST(HOTSPOT_MT)
370    AC_SUBST(HOTSPOT_RC)
371
372    RC_FLAGS="-nologo -l 0x409 -r"
373    AS_IF([test "x$VARIANT" = xOPT], [
374    RC_FLAGS="$RC_FLAGS -d NDEBUG"
375  ])
376
377  # The version variables used to create RC_FLAGS may be overridden
378  # in a custom configure script, or possibly the command line.
379  # Let those variables be expanded at make time in spec.gmk.
380  # The \$ are escaped to the shell, and the $(...) variables
381  # are evaluated by make.
382  RC_FLAGS="$RC_FLAGS \
383      -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
384      -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
385      -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
386      -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
387      -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
388      -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
389      -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
390
391  # lib.exe is used to create static libraries.
392  AC_CHECK_PROG([WINAR], [lib],[lib],,,)
393  BASIC_FIXUP_EXECUTABLE(WINAR)
394  AR="$WINAR"
395  ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
396
397  AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
398      BASIC_FIXUP_EXECUTABLE(DUMPBIN)
399
400      COMPILER_TYPE=CL
401      CCXXFLAGS="$CCXXFLAGS -nologo"
402  ])
403  AC_SUBST(RC_FLAGS)
404  AC_SUBST(COMPILER_TYPE)
405
406  AC_PROG_CPP
407  BASIC_FIXUP_EXECUTABLE(CPP)
408
409  AC_PROG_CXXCPP
410  BASIC_FIXUP_EXECUTABLE(CXXCPP)
411
412  if test "x$COMPILE_TYPE" != "xcross"; then
413    # If we are not cross compiling, use the same compilers for
414    # building the build platform executables. The cross-compilation
415    # case needed to be done earlier, but this can only be done after
416    # the native tools have been localized.
417    BUILD_CC="$CC"
418    BUILD_CXX="$CXX"
419    BUILD_LD="$LD"
420  fi
421
422  # for solaris we really need solaris tools, and not gnu equivalent
423  #   these seems to normally reside in /usr/ccs/bin so add that to path before
424  #   starting to probe
425  #
426  #   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
427  #         so that it can be overriden --with-tools-dir
428  if test "x$OPENJDK_BUILD_OS" = xsolaris; then
429    PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
430  fi
431
432  # Find the right assembler.
433  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
434    AC_PATH_PROG(AS, as)
435    BASIC_FIXUP_EXECUTABLE(AS)
436  else
437    AS="$CC -c"
438  fi
439  AC_SUBST(AS)
440
441  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
442    AC_PATH_PROG(NM, nm)
443    BASIC_FIXUP_EXECUTABLE(NM)
444    AC_PATH_PROG(GNM, gnm)
445    BASIC_FIXUP_EXECUTABLE(GNM)
446    AC_PATH_PROG(STRIP, strip)
447    BASIC_FIXUP_EXECUTABLE(STRIP)
448    AC_PATH_PROG(MCS, mcs)
449    BASIC_FIXUP_EXECUTABLE(MCS)
450  elif test "x$OPENJDK_TARGET_OS" != xwindows; then
451    AC_CHECK_TOOL(NM, nm)
452    BASIC_FIXUP_EXECUTABLE(NM)
453    GNM="$NM"
454    AC_SUBST(GNM)
455    AC_CHECK_TOOL(STRIP, strip)
456    BASIC_FIXUP_EXECUTABLE(STRIP)
457  fi
458
459  # objcopy is used for moving debug symbols to separate files when
460  # full debug symbols are enabled.
461  if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
462    AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
463    # Only call fixup if objcopy was found.
464    if test -n "$OBJCOPY"; then
465      BASIC_FIXUP_EXECUTABLE(OBJCOPY)
466    fi
467  fi
468
469  AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
470  if test "x$OBJDUMP" != x; then
471    # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
472    BASIC_FIXUP_EXECUTABLE(OBJDUMP)
473  fi
474
475  if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
476    AC_PATH_PROG(LIPO, lipo)
477    BASIC_FIXUP_EXECUTABLE(LIPO)
478  fi
479
480  TOOLCHAIN_SETUP_JTREG
481
482  # Restore old path without tools dir
483  PATH="$OLD_PATH"
484])
485
486
487AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
488[
489
490  ###############################################################################
491  #
492  # How to compile shared libraries.
493  #
494
495  if test "x$GCC" = xyes; then
496    COMPILER_NAME=gcc
497    PICFLAG="-fPIC"
498    LIBRARY_PREFIX=lib
499    SHARED_LIBRARY='lib[$]1.so'
500    STATIC_LIBRARY='lib[$]1.a'
501    SHARED_LIBRARY_FLAGS="-shared"
502    SHARED_LIBRARY_SUFFIX='.so'
503    STATIC_LIBRARY_SUFFIX='.a'
504    OBJ_SUFFIX='.o'
505    EXE_SUFFIX=''
506    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
507    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
508    C_FLAG_REORDER=''
509    CXX_FLAG_REORDER=''
510    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
511    SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
512    LD="$CC"
513    LDEXE="$CC"
514    LDCXX="$CXX"
515    LDEXECXX="$CXX"
516    POST_STRIP_CMD="$STRIP -g"
517
518    # Linking is different on MacOSX
519    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
520      # Might change in the future to clang.
521      COMPILER_NAME=gcc
522      SHARED_LIBRARY='lib[$]1.dylib'
523      SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
524      SHARED_LIBRARY_SUFFIX='.dylib'
525      EXE_SUFFIX=''
526      SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
527      SET_SHARED_LIBRARY_MAPFILE=''
528      SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
529      SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
530      POST_STRIP_CMD="$STRIP -S"
531    fi
532  else
533    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
534      # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
535      COMPILER_NAME=ossc
536      PICFLAG="-KPIC"
537      LIBRARY_PREFIX=lib
538      SHARED_LIBRARY='lib[$]1.so'
539      STATIC_LIBRARY='lib[$]1.a'
540      SHARED_LIBRARY_FLAGS="-G"
541      SHARED_LIBRARY_SUFFIX='.so'
542      STATIC_LIBRARY_SUFFIX='.a'
543      OBJ_SUFFIX='.o'
544      EXE_SUFFIX=''
545      SET_SHARED_LIBRARY_NAME=''
546      SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
547      C_FLAG_REORDER='-xF'
548      CXX_FLAG_REORDER='-xF'
549      SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
550      SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
551      CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
552      CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
553      CFLAGS_JDKLIB_EXTRA='-xstrconst'
554      POST_STRIP_CMD="$STRIP -x"
555      POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
556    fi
557    if test "x$OPENJDK_TARGET_OS" = xwindows; then
558      # If it is not gcc, then assume it is the MS Visual Studio compiler
559      COMPILER_NAME=cl
560      PICFLAG=""
561      LIBRARY_PREFIX=
562      SHARED_LIBRARY='[$]1.dll'
563      STATIC_LIBRARY='[$]1.lib'
564      SHARED_LIBRARY_FLAGS="-LD"
565      SHARED_LIBRARY_SUFFIX='.dll'
566      STATIC_LIBRARY_SUFFIX='.lib'
567      OBJ_SUFFIX='.obj'
568      EXE_SUFFIX='.exe'
569      SET_SHARED_LIBRARY_NAME=''
570      SET_SHARED_LIBRARY_MAPFILE=''
571      SET_SHARED_LIBRARY_ORIGIN=''
572      SET_EXECUTABLE_ORIGIN=''
573    fi
574  fi
575
576  AC_SUBST(COMPILER_NAME)
577  AC_SUBST(OBJ_SUFFIX)
578  AC_SUBST(SHARED_LIBRARY)
579  AC_SUBST(STATIC_LIBRARY)
580  AC_SUBST(LIBRARY_PREFIX)
581  AC_SUBST(SHARED_LIBRARY_SUFFIX)
582  AC_SUBST(STATIC_LIBRARY_SUFFIX)
583  AC_SUBST(EXE_SUFFIX)
584  AC_SUBST(SHARED_LIBRARY_FLAGS)
585  AC_SUBST(SET_SHARED_LIBRARY_NAME)
586  AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
587  AC_SUBST(C_FLAG_REORDER)
588  AC_SUBST(CXX_FLAG_REORDER)
589  AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
590  AC_SUBST(SET_EXECUTABLE_ORIGIN)
591  AC_SUBST(POST_STRIP_CMD)
592  AC_SUBST(POST_MCS_CMD)
593
594  # The (cross) compiler is now configured, we can now test capabilities
595  # of the target platform.
596])
597
598AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
599[
600
601  ###############################################################################
602  #
603  # Setup the opt flags for different compilers
604  # and different operating systems.
605  #
606
607  #
608  # NOTE: check for -mstackrealign needs to be below potential addition of -m32
609  #
610  if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
611    # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
612    # While waiting for a better solution, the current workaround is to use -mstackrealign.
613    CFLAGS="$CFLAGS -mstackrealign"
614    AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
615    AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
616        [
617          AC_MSG_RESULT([yes])
618        ],
619        [
620          AC_MSG_RESULT([no])
621          AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
622        ]
623    )
624  fi
625
626  C_FLAG_DEPS="-MMD -MF"
627  CXX_FLAG_DEPS="-MMD -MF"
628
629  case $COMPILER_TYPE in
630    CC )
631      case $COMPILER_NAME in
632        gcc )
633          case $OPENJDK_TARGET_OS in
634            macosx )
635              # On MacOSX we optimize for size, something
636              # we should do for all platforms?
637              C_O_FLAG_HI="-Os"
638              C_O_FLAG_NORM="-Os"
639              C_O_FLAG_NONE=""
640              ;;
641            *)
642              C_O_FLAG_HI="-O3"
643              C_O_FLAG_NORM="-O2"
644              C_O_FLAG_NONE="-O0"
645              ;;
646          esac
647          CXX_O_FLAG_HI="$C_O_FLAG_HI"
648          CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
649          CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
650          CFLAGS_DEBUG_SYMBOLS="-g"
651          CXXFLAGS_DEBUG_SYMBOLS="-g"
652          if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
653            CFLAGS_DEBUG_SYMBOLS="-g1"
654            CXXFLAGS_DEBUG_SYMBOLS="-g1"
655          fi
656          ;;
657        ossc )
658          #
659          # Forte has different names for this with their C++ compiler...
660          #
661          C_FLAG_DEPS="-xMMD -xMF"
662          CXX_FLAG_DEPS="-xMMD -xMF"
663
664          # Extra options used with HIGHEST
665          #
666          # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
667          #          done with care, there are some assumptions below that need to
668          #          be understood about the use of pointers, and IEEE behavior.
669          #
670          # Use non-standard floating point mode (not IEEE 754)
671          CC_HIGHEST="$CC_HIGHEST -fns"
672          # Do some simplification of floating point arithmetic (not IEEE 754)
673          CC_HIGHEST="$CC_HIGHEST -fsimple"
674          # Use single precision floating point with 'float'
675          CC_HIGHEST="$CC_HIGHEST -fsingle"
676          # Assume memory references via basic pointer types do not alias
677          #   (Source with excessing pointer casting and data access with mixed
678          #    pointer types are not recommended)
679          CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
680          # Use intrinsic or inline versions for math/std functions
681          #   (If you expect perfect errno behavior, do not use this)
682          CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
683          # Loop data dependency optimizations (need -xO3 or higher)
684          CC_HIGHEST="$CC_HIGHEST -xdepend"
685          # Pointer parameters to functions do not overlap
686          #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
687          #    If you pass in multiple pointers to the same data, do not use this)
688          CC_HIGHEST="$CC_HIGHEST -xrestrict"
689          # Inline some library routines
690          #   (If you expect perfect errno behavior, do not use this)
691          CC_HIGHEST="$CC_HIGHEST -xlibmil"
692          # Use optimized math routines
693          #   (If you expect perfect errno behavior, do not use this)
694          #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
695          #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
696
697          if test "x$OPENJDK_TARGET_CPU" = xsparc; then
698            CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
699            CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
700          fi
701
702          case $OPENJDK_TARGET_CPU_ARCH in
703            x86)
704              C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
705              C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
706              C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
707              C_O_FLAG_NONE="-xregs=no%frameptr"
708              CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
709              CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
710              CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
711              CXX_O_FLAG_NONE="-xregs=no%frameptr"
712              if test "x$OPENJDK_TARGET_CPU" = xx86; then
713                C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
714                CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
715              fi
716              ;;
717            sparc)
718              CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
719              CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
720              C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
721              C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
722              C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
723              C_O_FLAG_NONE=""
724              CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
725              CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
726              CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
727              CXX_O_FLAG_NONE=""
728              ;;
729          esac
730
731          CFLAGS_DEBUG_SYMBOLS="-g -xs"
732          CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
733      esac
734      ;;
735    CL )
736      C_O_FLAG_HIGHEST="-O2"
737      C_O_FLAG_HI="-O1"
738      C_O_FLAG_NORM="-O1"
739      C_O_FLAG_NONE="-Od"
740      CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
741      CXX_O_FLAG_HI="$C_O_FLAG_HI"
742      CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
743      CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
744      ;;
745  esac
746
747  if test -z "$C_O_FLAG_HIGHEST"; then
748    C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
749  fi
750
751  if test -z "$CXX_O_FLAG_HIGHEST"; then
752    CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
753  fi
754
755  AC_SUBST(C_O_FLAG_HIGHEST)
756  AC_SUBST(C_O_FLAG_HI)
757  AC_SUBST(C_O_FLAG_NORM)
758  AC_SUBST(C_O_FLAG_NONE)
759  AC_SUBST(CXX_O_FLAG_HIGHEST)
760  AC_SUBST(CXX_O_FLAG_HI)
761  AC_SUBST(CXX_O_FLAG_NORM)
762  AC_SUBST(CXX_O_FLAG_NONE)
763  AC_SUBST(C_FLAG_DEPS)
764  AC_SUBST(CXX_FLAG_DEPS)
765])
766
767AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
768[
769
770  if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
771    AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
772  fi
773
774  if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
775    AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
776  fi
777
778  if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
779    AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
780  fi
781
782  AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
783      [extra flags to be used when compiling jdk c-files])])
784
785  AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
786      [extra flags to be used when compiling jdk c++-files])])
787
788  AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
789      [extra flags to be used when linking jdk])])
790
791  CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
792  CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
793  LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
794
795  # Hotspot needs these set in their legacy form
796  LEGACY_EXTRA_CFLAGS=$with_extra_cflags
797  LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
798  LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
799
800  AC_SUBST(LEGACY_EXTRA_CFLAGS)
801  AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
802  AC_SUBST(LEGACY_EXTRA_LDFLAGS)
803
804  ###############################################################################
805  #
806  # Now setup the CFLAGS and LDFLAGS for the JDK build.
807  # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
808  #
809  case $COMPILER_NAME in
810    gcc )
811      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
812      -pipe \
813      -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
814      case $OPENJDK_TARGET_CPU_ARCH in
815        arm )
816          # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
817          CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
818          ;;
819        ppc )
820          # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
821          ;;
822        * )
823          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
824          CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
825          ;;
826      esac
827      ;;
828    ossc )
829      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
830      case $OPENJDK_TARGET_CPU_ARCH in
831        x86 )
832          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
833          CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
834          ;;
835      esac
836
837      CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
838      CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
839
840      LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
841      LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
842      ;;
843    cl )
844      CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
845      -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
846      -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
847      -DWIN32 -DIAL"
848      case $OPENJDK_TARGET_CPU in
849        x86 )
850          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
851          ;;
852        x86_64 )
853          CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
854          ;;
855      esac
856      ;;
857  esac
858
859  ###############################################################################
860
861  # Adjust flags according to debug level.
862  case $DEBUG_LEVEL in
863    fastdebug )
864      CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
865      CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
866      C_O_FLAG_HI="$C_O_FLAG_NORM"
867      C_O_FLAG_NORM="$C_O_FLAG_NORM"
868      CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
869      CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
870      JAVAC_FLAGS="$JAVAC_FLAGS -g"
871      ;;
872    slowdebug )
873      CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
874      CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
875      C_O_FLAG_HI="$C_O_FLAG_NONE"
876      C_O_FLAG_NORM="$C_O_FLAG_NONE"
877      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
878      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
879      JAVAC_FLAGS="$JAVAC_FLAGS -g"
880      ;;
881  esac
882
883  CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
884
885  # The package path is used only on macosx?
886  PACKAGE_PATH=/opt/local
887  AC_SUBST(PACKAGE_PATH)
888
889  if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
890    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
891    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
892    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
893    #   Note: -Dmacro         is the same as    #define macro 1
894    #         -Dmacro=        is the same as    #define macro
895    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
896      CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
897    else
898      CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
899    fi
900  else
901    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
902  fi
903  if test "x$OPENJDK_TARGET_OS" = xlinux; then
904    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
905  fi
906  if test "x$OPENJDK_TARGET_OS" = xwindows; then
907    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
908  fi
909  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
910    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
911  fi
912  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
913    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
914    # Setting these parameters makes it an error to link to macosx APIs that are
915    # newer than the given OS version and makes the linked binaries compatible even
916    # if built on a newer version of the OS.
917    # The expected format is X.Y.Z
918    MACOSX_VERSION_MIN=10.7.0
919    AC_SUBST(MACOSX_VERSION_MIN)
920    # The macro takes the version with no dots, ex: 1070
921    # Let the flags variables get resolved in make for easier override on make
922    # command line.
923    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
924    LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
925  fi
926  if test "x$OPENJDK_TARGET_OS" = xbsd; then
927    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
928  fi
929  if test "x$DEBUG_LEVEL" = xrelease; then
930    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
931  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
932    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
933  fi
934  else
935    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
936  fi
937
938  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
939  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
940
941  CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
942      -I${JDK_OUTPUTDIR}/include \
943      -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
944      -I${JDK_TOPDIR}/src/share/javavm/export \
945      -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \
946      -I${JDK_TOPDIR}/src/share/native/common \
947      -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
948
949  # The shared libraries are compiled using the picflag.
950  CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
951  CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
952
953  # Executable flags
954  CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
955  CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
956
957  # Now this is odd. The JDK native libraries have to link against libjvm.so
958  # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
959  # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
960  # is identical for client and server? Yes. Which is picked at runtime (client or server)?
961  # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
962  # libraries will link to whatever is in memory. Yuck.
963  #
964  # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
965  if test "x$COMPILER_NAME" = xcl; then
966    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
967    if test "x$OPENJDK_TARGET_CPU" = xx86; then
968      LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
969    fi
970    # TODO: make -debug optional "--disable-full-debug-symbols"
971    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
972    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
973    LDFLAGS_JDKLIB_SUFFIX=""
974    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
975      LDFLAGS_STACK_SIZE=1048576
976    else
977      LDFLAGS_STACK_SIZE=327680
978    fi
979    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
980  else
981    if test "x$COMPILER_NAME" = xgcc; then
982      # If this is a --hash-style=gnu system, use --hash-style=both, why?
983      HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
984      if test -n "$HAS_GNU_HASH"; then
985        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
986      fi
987      if test "x$OPENJDK_TARGET_OS" = xlinux; then
988        # And since we now know that the linker is gnu, then add -z defs, to forbid
989        # undefined symbols in object files.
990        LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
991        if test "x$DEBUG_LEVEL" = "xrelease"; then
992          # When building release libraries, tell the linker optimize them.
993          # Should this be supplied to the OSS linker as well?
994          LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
995        fi
996      fi
997    fi
998    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
999        -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
1000
1001    # On some platforms (mac) the linker warns about non existing -L dirs.
1002    # Add server first if available. Linking aginst client does not always produce the same results.
1003    # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
1004    # Default to server for other variants.
1005    if test "x$JVM_VARIANT_SERVER" = xtrue; then
1006      LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
1007    elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
1008      LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
1009    elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
1010      LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
1011    else
1012      LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
1013    fi
1014
1015    LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
1016    if test "x$COMPILER_NAME" = xossc; then
1017      LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
1018    fi
1019
1020    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
1021    if test "x$OPENJDK_TARGET_OS" = xlinux; then
1022      LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1023    fi
1024  fi
1025
1026  AC_SUBST(CFLAGS_JDKLIB)
1027  AC_SUBST(CFLAGS_JDKEXE)
1028
1029  AC_SUBST(CXXFLAGS_JDKLIB)
1030  AC_SUBST(CXXFLAGS_JDKEXE)
1031
1032  AC_SUBST(LDFLAGS_JDKLIB)
1033  AC_SUBST(LDFLAGS_JDKEXE)
1034  AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1035  AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1036  AC_SUBST(LDFLAGS_CXX_JDK)
1037])
1038
1039
1040# TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1041#                                   [RUN-IF-FALSE])
1042# ------------------------------------------------------------
1043# Check that the c and c++ compilers support an argument
1044AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1045[
1046  AC_MSG_CHECKING([if compiler supports "$1"])
1047  supports=yes
1048
1049  saved_cflags="$CFLAGS"
1050  CFLAGS="$CFLAGS $1"
1051  AC_LANG_PUSH([C])
1052  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
1053      [supports=no])
1054  AC_LANG_POP([C])
1055  CFLAGS="$saved_cflags"
1056
1057  saved_cxxflags="$CXXFLAGS"
1058  CXXFLAGS="$CXXFLAG $1"
1059  AC_LANG_PUSH([C++])
1060  AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [], 
1061      [supports=no])
1062  AC_LANG_POP([C++])
1063  CXXFLAGS="$saved_cxxflags"
1064
1065  AC_MSG_RESULT([$supports])
1066  if test "x$supports" = "xyes" ; then
1067    m4_ifval([$2], [$2], [:])
1068  else
1069    m4_ifval([$3], [$3], [:])
1070  fi
1071])
1072
1073AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1074[
1075  # Some Zero and Shark settings.
1076  # ZERO_ARCHFLAG tells the compiler which mode to build for
1077  case "${OPENJDK_TARGET_CPU}" in
1078    s390)
1079      ZERO_ARCHFLAG="-m31"
1080      ;;
1081    *)
1082      ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1083  esac
1084  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1085  AC_SUBST(ZERO_ARCHFLAG)
1086
1087  # Check that the compiler supports -mX flags
1088  # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1089  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1090      [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1091      [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1092  AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1093])
1094
1095# Setup the JTREG paths
1096AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
1097[
1098  AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
1099      [Regression Test Harness @<:@probed@:>@])],
1100      [],
1101      [with_jtreg=no])
1102
1103  if test "x$with_jtreg" = xno; then
1104    # jtreg disabled
1105    AC_MSG_CHECKING([for jtreg])
1106    AC_MSG_RESULT(no)
1107  else
1108    if test "x$with_jtreg" != xyes; then
1109      # with path specified.
1110      JT_HOME="$with_jtreg"
1111    fi
1112
1113    if test "x$JT_HOME" != x; then
1114      AC_MSG_CHECKING([for jtreg])
1115
1116      # use JT_HOME enviroment var.
1117      BASIC_FIXUP_PATH([JT_HOME])
1118
1119      # jtreg win32 script works for everybody
1120      JTREGEXE="$JT_HOME/win32/bin/jtreg"
1121
1122      if test ! -f "$JTREGEXE"; then
1123        AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
1124      fi
1125
1126      AC_MSG_RESULT($JTREGEXE)
1127    else
1128      # try to find jtreg on path
1129      BASIC_REQUIRE_PROG(JTREGEXE, jtreg)
1130      JT_HOME="`$DIRNAME $JTREGEXE`"
1131    fi
1132  fi
1133
1134  AC_SUBST(JT_HOME)
1135  AC_SUBST(JTREGEXE)
1136])
1137