toolchain.m4 revision 799:7697621037fd 
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
9# by Oracle in the LICENSE file that accompanied this code.
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$OPENJDK_TARGET_OS" = xwindows; then
48    # First line typically looks something like:
49    # Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01 for 80x86
50    COMPILER_VERSION_TEST=`$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 $COMPILER)])
84])
85
86
87AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
88[
89###############################################################################
90#
91# Configure the development tool paths and potential sysroot.
92#
93AC_LANG(C++)
94
95# The option used to specify the target .o,.a or .so file.
96# When compiling, how to specify the to be created object file.
97CC_OUT_OPTION='-o$(SPACE)'
98# When linking, how to specify the to be created executable.
99EXE_OUT_OPTION='-o$(SPACE)'
100# When linking, how to specify the to be created dynamically linkable library.
101LD_OUT_OPTION='-o$(SPACE)'
102# When archiving, how to specify the to be create static archive for object files.
103AR_OUT_OPTION='rcs$(SPACE)'
104AC_SUBST(CC_OUT_OPTION)
105AC_SUBST(EXE_OUT_OPTION)
106AC_SUBST(LD_OUT_OPTION)
107AC_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    $1="$TEST_COMPILER"
170  fi
171  TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
172])
173
174
175AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
176[
177if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
178  TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
179  BASIC_DEPRECATED_ARG_WITH([dxsdk])
180  BASIC_DEPRECATED_ARG_WITH([dxsdk-lib])
181  BASIC_DEPRECATED_ARG_WITH([dxsdk-include])
182fi
183
184AC_SUBST(MSVCR_DLL)
185
186# If --build AND --host is set, then the configure script will find any
187# cross compilation tools in the PATH. Cross compilation tools
188# follows the cross compilation standard where they are prefixed with ${host}.
189# For example the binary i686-sun-solaris2.10-gcc
190# will cross compile for i686-sun-solaris2.10
191# If neither of build and host is not set, then build=host and the
192# default compiler found in the path will be used.
193# Setting only --host, does not seem to be really supported.
194# Please set both --build and --host if you want to cross compile.
195
196if test "x$COMPILE_TYPE" = "xcross"; then
197    # Now we to find a C/C++ compiler that can build executables for the build
198    # platform. We can't use the AC_PROG_CC macro, since it can only be used
199    # once. Also, we need to do this before adding a tools dir to the path,
200    # otherwise we might pick up cross-compilers which don't use standard naming.
201    # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
202    # to wait until they are properly discovered.
203    AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
204    BASIC_FIXUP_EXECUTABLE(BUILD_CC)
205    AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
206    BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
207    AC_PATH_PROG(BUILD_LD, ld)
208    BASIC_FIXUP_EXECUTABLE(BUILD_LD)
209fi
210AC_SUBST(BUILD_CC)
211AC_SUBST(BUILD_CXX)
212AC_SUBST(BUILD_LD)
213
214# If a devkit is found on the builddeps server, then prepend its path to the
215# PATH variable. If there are cross compilers available in the devkit, these
216# will be found by AC_PROG_CC et al.
217DEVKIT=
218BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
219                    [# Found devkit
220                     PATH="$DEVKIT/bin:$PATH"
221                     SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
222                     if test "x$x_includes" = "xNONE"; then
223                         x_includes="$SYS_ROOT/usr/include/X11"
224                     fi
225                     if test "x$x_libraries" = "xNONE"; then
226                         x_libraries="$SYS_ROOT/usr/lib"
227                     fi
228                    ],
229                    [])
230
231# Store the CFLAGS etal passed to the configure script.
232ORG_CFLAGS="$CFLAGS"
233ORG_CXXFLAGS="$CXXFLAGS"
234ORG_OBJCFLAGS="$OBJCFLAGS"
235
236# autoconf magic only relies on PATH, so update it if tools dir is specified
237OLD_PATH="$PATH"
238if test "x$TOOLS_DIR" != x; then
239  PATH=$TOOLS_DIR:$PATH
240fi
241
242
243### Locate C compiler (CC)
244
245# On windows, only cl.exe is supported.
246# On Solaris, cc is preferred to gcc.
247# Elsewhere, gcc is preferred to cc.
248
249if test "x$CC" != x; then
250  COMPILER_CHECK_LIST="$CC"
251elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
252  COMPILER_CHECK_LIST="cl"
253elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
254  COMPILER_CHECK_LIST="cc gcc"
255else
256  COMPILER_CHECK_LIST="gcc cc"
257fi
258
259TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
260# Now that we have resolved CC ourself, let autoconf have its go at it
261AC_PROG_CC([$CC])
262
263### Locate C++ compiler (CXX)
264
265if test "x$CXX" != x; then
266  COMPILER_CHECK_LIST="$CXX"
267elif test "x$OPENJDK_TARGET_OS" = "xwindows"; then
268  COMPILER_CHECK_LIST="cl"
269elif test "x$OPENJDK_TARGET_OS" = "xsolaris"; then
270  COMPILER_CHECK_LIST="CC g++"
271else
272  COMPILER_CHECK_LIST="g++ CC"
273fi
274
275TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
276# Now that we have resolved CXX ourself, let autoconf have its go at it
277AC_PROG_CXX([$CXX])
278
279### Locate other tools
280
281if test "x$OPENJDK_TARGET_OS" = xmacosx; then
282    AC_PROG_OBJC
283    BASIC_FIXUP_EXECUTABLE(OBJC)
284else
285    OBJC=
286fi
287
288# Restore the flags to the user specified values.
289# This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
290CFLAGS="$ORG_CFLAGS"
291CXXFLAGS="$ORG_CXXFLAGS"
292OBJCFLAGS="$ORG_OBJCFLAGS"
293
294LD="$CC"
295LDEXE="$CC"
296LDCXX="$CXX"
297LDEXECXX="$CXX"
298AC_SUBST(LD)
299# LDEXE is the linker to use, when creating executables.
300AC_SUBST(LDEXE)
301# Linking C++ libraries.
302AC_SUBST(LDCXX)
303# Linking C++ executables.
304AC_SUBST(LDEXECXX)
305
306if test "x$OPENJDK_TARGET_OS" != xwindows; then
307    AC_CHECK_TOOL(AR, ar)
308    BASIC_FIXUP_EXECUTABLE(AR)
309fi
310if test "x$OPENJDK_TARGET_OS" = xmacosx; then
311    ARFLAGS="-r"
312else
313    ARFLAGS=""
314fi
315AC_SUBST(ARFLAGS)
316
317# For hotspot, we need these in Windows mixed path; other platforms keep them the same
318HOTSPOT_CXX="$CXX"
319HOTSPOT_LD="$LD"
320AC_SUBST(HOTSPOT_CXX)
321AC_SUBST(HOTSPOT_LD)
322
323COMPILER_NAME=gcc
324COMPILER_TYPE=CC
325AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
326    # For now, assume that we are always compiling using cl.exe.
327    CC_OUT_OPTION=-Fo
328    EXE_OUT_OPTION=-out:
329    LD_OUT_OPTION=-out:
330    AR_OUT_OPTION=-out:
331    # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
332    # program for something completely different.
333    AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
334    # Since we must ignore the first found link, WINLD will contain
335    # the full path to the link.exe program.
336    BASIC_FIXUP_EXECUTABLE(WINLD)
337    printf "Windows linker was found at $WINLD\n"
338    AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
339    "$WINLD" --version > /dev/null
340    if test $? -eq 0 ; then
341      AC_MSG_RESULT([no])
342      AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
343    else
344      AC_MSG_RESULT([yes])
345    fi
346    LD="$WINLD"
347    LDEXE="$WINLD"
348    LDCXX="$WINLD"
349    LDEXECXX="$WINLD"
350
351    AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
352    BASIC_FIXUP_EXECUTABLE(MT)
353    # The resource compiler
354    AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
355    BASIC_FIXUP_EXECUTABLE(RC)
356
357    # For hotspot, we need these in Windows mixed path,
358    # so rewrite them all. Need added .exe suffix.
359    HOTSPOT_CXX="$CXX.exe"
360    HOTSPOT_LD="$LD.exe"
361    HOTSPOT_MT="$MT.exe"
362    HOTSPOT_RC="$RC.exe"
363    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
364    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
365    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
366    BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
367    AC_SUBST(HOTSPOT_MT)
368    AC_SUBST(HOTSPOT_RC)
369
370    RC_FLAGS="-nologo -l 0x409 -r"
371    AS_IF([test "x$VARIANT" = xOPT], [
372        RC_FLAGS="$RC_FLAGS -d NDEBUG"
373    ])
374
375    # The version variables used to create RC_FLAGS may be overridden
376    # in a custom configure script, or possibly the command line.  
377    # Let those variables be expanded at make time in spec.gmk.
378    # The \$ are escaped to the shell, and the $(...) variables
379    # are evaluated by make.
380    RC_FLAGS="$RC_FLAGS \
381        -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
382        -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
383        -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
384        -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
385        -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
386        -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
387        -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
388
389    # lib.exe is used to create static libraries.
390    AC_CHECK_PROG([WINAR], [lib],[lib],,,)
391    BASIC_FIXUP_EXECUTABLE(WINAR)
392    AR="$WINAR"
393    ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
394
395    AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
396    BASIC_FIXUP_EXECUTABLE(DUMPBIN)
397
398    COMPILER_TYPE=CL
399    CCXXFLAGS="$CCXXFLAGS -nologo"
400])
401AC_SUBST(RC_FLAGS)
402AC_SUBST(COMPILER_TYPE)
403
404AC_PROG_CPP
405BASIC_FIXUP_EXECUTABLE(CPP)
406
407AC_PROG_CXXCPP
408BASIC_FIXUP_EXECUTABLE(CXXCPP)
409
410if test "x$COMPILE_TYPE" != "xcross"; then
411    # If we are not cross compiling, use the same compilers for
412    # building the build platform executables. The cross-compilation
413    # case needed to be done earlier, but this can only be done after
414    # the native tools have been localized.
415    BUILD_CC="$CC"
416    BUILD_CXX="$CXX"
417    BUILD_LD="$LD"
418fi
419
420# for solaris we really need solaris tools, and not gnu equivalent
421#   these seems to normally reside in /usr/ccs/bin so add that to path before
422#   starting to probe
423#
424#   NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
425#         so that it can be overriden --with-tools-dir
426if test "x$OPENJDK_BUILD_OS" = xsolaris; then
427    PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
428fi
429
430# Find the right assembler.
431if test "x$OPENJDK_TARGET_OS" = xsolaris; then
432    AC_PATH_PROG(AS, as)
433    BASIC_FIXUP_EXECUTABLE(AS)
434else
435    AS="$CC -c"
436fi
437AC_SUBST(AS)
438
439if test "x$OPENJDK_TARGET_OS" = xsolaris; then
440    AC_PATH_PROG(NM, nm)
441    BASIC_FIXUP_EXECUTABLE(NM)
442    AC_PATH_PROG(GNM, gnm)
443    BASIC_FIXUP_EXECUTABLE(GNM)
444    AC_PATH_PROG(STRIP, strip)
445    BASIC_FIXUP_EXECUTABLE(STRIP)
446    AC_PATH_PROG(MCS, mcs)
447    BASIC_FIXUP_EXECUTABLE(MCS)
448elif test "x$OPENJDK_TARGET_OS" != xwindows; then
449    AC_CHECK_TOOL(NM, nm)
450    BASIC_FIXUP_EXECUTABLE(NM)
451    GNM="$NM"
452    AC_SUBST(GNM)
453    AC_CHECK_TOOL(STRIP, strip)
454    BASIC_FIXUP_EXECUTABLE(STRIP)
455fi
456
457# objcopy is used for moving debug symbols to separate files when
458# full debug symbols are enabled.
459if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
460    AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
461    # Only call fixup if objcopy was found.
462    if test -n "$OBJCOPY"; then
463        BASIC_FIXUP_EXECUTABLE(OBJCOPY)
464    fi
465fi
466
467AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
468if test "x$OBJDUMP" != x; then
469  # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
470  BASIC_FIXUP_EXECUTABLE(OBJDUMP)
471fi
472
473if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
474   AC_PATH_PROG(LIPO, lipo)
475   BASIC_FIXUP_EXECUTABLE(LIPO)
476fi
477
478TOOLCHAIN_SETUP_JTREG
479
480# Restore old path without tools dir
481PATH="$OLD_PATH"
482])
483
484
485AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
486[
487
488###############################################################################
489#
490# How to compile shared libraries.
491#
492
493if test "x$GCC" = xyes; then
494    COMPILER_NAME=gcc
495    PICFLAG="-fPIC"
496    LIBRARY_PREFIX=lib
497    SHARED_LIBRARY='lib[$]1.so'
498    STATIC_LIBRARY='lib[$]1.a'
499    SHARED_LIBRARY_FLAGS="-shared"
500    SHARED_LIBRARY_SUFFIX='.so'
501    STATIC_LIBRARY_SUFFIX='.a'
502    OBJ_SUFFIX='.o'
503    EXE_SUFFIX=''
504    SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
505    SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
506    C_FLAG_REORDER=''
507    CXX_FLAG_REORDER=''
508    SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
509    SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
510    LD="$CC"
511    LDEXE="$CC"
512    LDCXX="$CXX"
513    LDEXECXX="$CXX"
514    POST_STRIP_CMD="$STRIP -g"
515
516    # Linking is different on MacOSX
517    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
518        # Might change in the future to clang.
519        COMPILER_NAME=gcc
520        SHARED_LIBRARY='lib[$]1.dylib'
521        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
522        SHARED_LIBRARY_SUFFIX='.dylib'
523        EXE_SUFFIX=''
524        SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
525        SET_SHARED_LIBRARY_MAPFILE=''
526        SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
527        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
528        POST_STRIP_CMD="$STRIP -S"
529    fi
530else
531    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
532        # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
533        COMPILER_NAME=ossc
534        PICFLAG="-KPIC"
535        LIBRARY_PREFIX=lib
536        SHARED_LIBRARY='lib[$]1.so'
537        STATIC_LIBRARY='lib[$]1.a'
538        SHARED_LIBRARY_FLAGS="-G"
539        SHARED_LIBRARY_SUFFIX='.so'
540        STATIC_LIBRARY_SUFFIX='.a'
541        OBJ_SUFFIX='.o'
542        EXE_SUFFIX=''
543        SET_SHARED_LIBRARY_NAME=''
544        SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
545	C_FLAG_REORDER='-xF'
546	CXX_FLAG_REORDER='-xF'
547        SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
548        SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
549        CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
550        CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
551        CFLAGS_JDKLIB_EXTRA='-xstrconst'
552        POST_STRIP_CMD="$STRIP -x"
553        POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
554    fi
555    if test "x$OPENJDK_TARGET_OS" = xwindows; then
556        # If it is not gcc, then assume it is the MS Visual Studio compiler
557        COMPILER_NAME=cl
558        PICFLAG=""
559        LIBRARY_PREFIX=
560        SHARED_LIBRARY='[$]1.dll'
561        STATIC_LIBRARY='[$]1.lib'
562        SHARED_LIBRARY_FLAGS="-LD"
563        SHARED_LIBRARY_SUFFIX='.dll'
564        STATIC_LIBRARY_SUFFIX='.lib'
565        OBJ_SUFFIX='.obj'
566        EXE_SUFFIX='.exe'
567        SET_SHARED_LIBRARY_NAME=''
568        SET_SHARED_LIBRARY_MAPFILE=''
569        SET_SHARED_LIBRARY_ORIGIN=''
570        SET_EXECUTABLE_ORIGIN=''
571    fi
572fi
573
574AC_SUBST(COMPILER_NAME)
575AC_SUBST(OBJ_SUFFIX)
576AC_SUBST(SHARED_LIBRARY)
577AC_SUBST(STATIC_LIBRARY)
578AC_SUBST(LIBRARY_PREFIX)
579AC_SUBST(SHARED_LIBRARY_SUFFIX)
580AC_SUBST(STATIC_LIBRARY_SUFFIX)
581AC_SUBST(EXE_SUFFIX)
582AC_SUBST(SHARED_LIBRARY_FLAGS)
583AC_SUBST(SET_SHARED_LIBRARY_NAME)
584AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
585AC_SUBST(C_FLAG_REORDER)
586AC_SUBST(CXX_FLAG_REORDER)
587AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
588AC_SUBST(SET_EXECUTABLE_ORIGIN)
589AC_SUBST(POST_STRIP_CMD)
590AC_SUBST(POST_MCS_CMD)
591
592# The (cross) compiler is now configured, we can now test capabilities
593# of the target platform.
594])
595
596AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
597[
598
599###############################################################################
600#
601# Setup the opt flags for different compilers
602# and different operating systems.
603#
604
605#
606# NOTE: check for -mstackrealign needs to be below potential addition of -m32
607#
608if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
609    # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
610    # While waiting for a better solution, the current workaround is to use -mstackrealign.
611    CFLAGS="$CFLAGS -mstackrealign"
612    AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
613    AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
614                   [
615		        AC_MSG_RESULT([yes])
616                   ],
617	           [
618		        AC_MSG_RESULT([no])
619	                AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
620	           ])
621fi
622
623C_FLAG_DEPS="-MMD -MF"
624CXX_FLAG_DEPS="-MMD -MF"
625
626case $COMPILER_TYPE in
627  CC )
628    case $COMPILER_NAME in
629      gcc )
630      	case $OPENJDK_TARGET_OS in
631	  macosx )
632	    # On MacOSX we optimize for size, something
633	    # we should do for all platforms?
634	    C_O_FLAG_HI="-Os"
635	    C_O_FLAG_NORM="-Os"
636	    C_O_FLAG_NONE=""
637	    ;;
638	  *)
639	    C_O_FLAG_HI="-O3"
640	    C_O_FLAG_NORM="-O2"
641	    C_O_FLAG_NONE="-O0"
642	    ;;
643	esac
644        CXX_O_FLAG_HI="$C_O_FLAG_HI"
645        CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
646        CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
647        CFLAGS_DEBUG_SYMBOLS="-g"
648        CXXFLAGS_DEBUG_SYMBOLS="-g"
649        if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
650            CFLAGS_DEBUG_SYMBOLS="-g1"
651            CXXFLAGS_DEBUG_SYMBOLS="-g1"
652        fi
653        ;;
654      ossc )
655        #
656        # Forte has different names for this with their C++ compiler...
657        #
658        C_FLAG_DEPS="-xMMD -xMF"
659        CXX_FLAG_DEPS="-xMMD -xMF"
660
661        # Extra options used with HIGHEST
662        #
663        # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
664        #          done with care, there are some assumptions below that need to
665        #          be understood about the use of pointers, and IEEE behavior.
666        #
667        # Use non-standard floating point mode (not IEEE 754)
668        CC_HIGHEST="$CC_HIGHEST -fns"
669        # Do some simplification of floating point arithmetic (not IEEE 754)
670        CC_HIGHEST="$CC_HIGHEST -fsimple"
671        # Use single precision floating point with 'float'
672        CC_HIGHEST="$CC_HIGHEST -fsingle"
673        # Assume memory references via basic pointer types do not alias
674        #   (Source with excessing pointer casting and data access with mixed
675        #    pointer types are not recommended)
676        CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
677        # Use intrinsic or inline versions for math/std functions
678        #   (If you expect perfect errno behavior, do not use this)
679        CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
680        # Loop data dependency optimizations (need -xO3 or higher)
681        CC_HIGHEST="$CC_HIGHEST -xdepend"
682        # Pointer parameters to functions do not overlap
683        #   (Similar to -xalias_level=basic usage, but less obvious sometimes.
684        #    If you pass in multiple pointers to the same data, do not use this)
685        CC_HIGHEST="$CC_HIGHEST -xrestrict"
686        # Inline some library routines
687        #   (If you expect perfect errno behavior, do not use this)
688        CC_HIGHEST="$CC_HIGHEST -xlibmil"
689        # Use optimized math routines
690        #   (If you expect perfect errno behavior, do not use this)
691        #  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
692        #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
693
694        if test "x$OPENJDK_TARGET_CPU" = xsparc; then
695          CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
696          CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
697        fi
698
699        case $OPENJDK_TARGET_CPU_ARCH in
700          x86)
701            C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
702            C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
703            C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
704            C_O_FLAG_NONE="-xregs=no%frameptr"
705            CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
706            CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
707            CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
708            CXX_O_FLAG_NONE="-xregs=no%frameptr"
709            if test "x$OPENJDK_TARGET_CPU" = xx86; then
710               C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
711               CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
712            fi
713            ;;
714          sparc)
715            CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
716            CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
717            C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
718            C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
719            C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
720            C_O_FLAG_NONE=""
721            CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
722            CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
723            CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
724            CXX_O_FLAG_NONE=""
725            ;;
726        esac
727
728    CFLAGS_DEBUG_SYMBOLS="-g -xs"
729    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
730    esac
731    ;;
732  CL )
733    C_O_FLAG_HIGHEST="-O2"
734    C_O_FLAG_HI="-O1"
735    C_O_FLAG_NORM="-O1"
736    C_O_FLAG_NONE="-Od"
737    CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
738    CXX_O_FLAG_HI="$C_O_FLAG_HI"
739    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
740    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
741    ;;
742esac
743
744if test -z "$C_O_FLAG_HIGHEST"; then
745   C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
746fi
747
748if test -z "$CXX_O_FLAG_HIGHEST"; then
749   CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
750fi
751
752AC_SUBST(C_O_FLAG_HIGHEST)
753AC_SUBST(C_O_FLAG_HI)
754AC_SUBST(C_O_FLAG_NORM)
755AC_SUBST(C_O_FLAG_NONE)
756AC_SUBST(CXX_O_FLAG_HIGHEST)
757AC_SUBST(CXX_O_FLAG_HI)
758AC_SUBST(CXX_O_FLAG_NORM)
759AC_SUBST(CXX_O_FLAG_NONE)
760AC_SUBST(C_FLAG_DEPS)
761AC_SUBST(CXX_FLAG_DEPS)
762])
763
764AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
765[
766
767if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
768   AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
769fi
770
771if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
772   AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
773fi
774
775if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
776   AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
777fi
778
779AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
780    [extra flags to be used when compiling jdk c-files])])
781
782AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
783    [extra flags to be used when compiling jdk c++-files])])
784
785AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
786    [extra flags to be used when linking jdk])])
787
788CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
789CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
790LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
791
792# Hotspot needs these set in their legacy form
793LEGACY_EXTRA_CFLAGS=$with_extra_cflags
794LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
795LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
796
797AC_SUBST(LEGACY_EXTRA_CFLAGS)
798AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
799AC_SUBST(LEGACY_EXTRA_LDFLAGS)
800
801###############################################################################
802#
803# Now setup the CFLAGS and LDFLAGS for the JDK build.
804# Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
805#
806case $COMPILER_NAME in
807      gcc )
808      	  CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
809                          -pipe \
810                          -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
811	  case $OPENJDK_TARGET_CPU_ARCH in
812	  arm )
813            # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
814	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
815	  ;;
816	  ppc )
817            # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
818	  ;;
819	  * )
820	    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
821	    CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
822          ;;
823	  esac
824          ;;
825      ossc )
826          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
827          case $OPENJDK_TARGET_CPU_ARCH in
828          x86 )
829            CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
830       	    CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
831          ;;
832          esac
833
834      	  CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
835      	  CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
836
837          LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
838          LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
839          ;;
840      cl )
841          CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
842               -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
843	       -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
844	       -DWIN32 -DIAL"
845          case $OPENJDK_TARGET_CPU in
846              x86 )
847                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
848                  ;;
849              x86_64 )
850                  CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
851                  ;;
852          esac
853          ;;
854esac
855
856###############################################################################
857
858# Adjust flags according to debug level.
859case $DEBUG_LEVEL in
860      fastdebug )
861              CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
862              CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
863	      C_O_FLAG_HI="$C_O_FLAG_NORM"
864	      C_O_FLAG_NORM="$C_O_FLAG_NORM"
865	      CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
866	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
867              JAVAC_FLAGS="$JAVAC_FLAGS -g"
868              ;;
869      slowdebug )
870              CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
871              CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
872	      C_O_FLAG_HI="$C_O_FLAG_NONE"
873	      C_O_FLAG_NORM="$C_O_FLAG_NONE"
874	      CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
875	      CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
876              JAVAC_FLAGS="$JAVAC_FLAGS -g"
877              ;;
878esac
879
880CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
881
882# The package path is used only on macosx?
883PACKAGE_PATH=/opt/local
884AC_SUBST(PACKAGE_PATH)
885
886if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
887    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
888    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
889    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
890    #   Note: -Dmacro         is the same as    #define macro 1
891    #         -Dmacro=	    is the same as    #define macro
892    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
893        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
894    else
895        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
896    fi
897else
898    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
899fi
900if test "x$OPENJDK_TARGET_OS" = xlinux; then
901    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
902fi
903if test "x$OPENJDK_TARGET_OS" = xwindows; then
904    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
905fi
906if test "x$OPENJDK_TARGET_OS" = xsolaris; then
907    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
908fi
909if test "x$OPENJDK_TARGET_OS" = xmacosx; then
910    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
911    # Setting these parameters makes it an error to link to macosx APIs that are
912    # newer than the given OS version and makes the linked binaries compatible even
913    # if built on a newer version of the OS.
914    # The expected format is X.Y.Z
915    MACOSX_VERSION_MIN=10.7.0
916    AC_SUBST(MACOSX_VERSION_MIN)
917    # The macro takes the version with no dots, ex: 1070
918    # Let the flags variables get resolved in make for easier override on make
919    # command line.
920    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
921    LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
922fi
923if test "x$OPENJDK_TARGET_OS" = xbsd; then
924    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
925fi
926if test "x$DEBUG_LEVEL" = xrelease; then
927    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
928    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
929        CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
930    fi
931else
932    CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
933fi
934
935CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
936CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
937
938CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
939        -I${JDK_OUTPUTDIR}/include \
940        -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
941        -I${JDK_TOPDIR}/src/share/javavm/export \
942        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
943        -I${JDK_TOPDIR}/src/share/native/common \
944        -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
945
946# The shared libraries are compiled using the picflag.
947CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
948CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
949
950# Executable flags
951CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
952CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
953
954# Now this is odd. The JDK native libraries have to link against libjvm.so
955# On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
956# Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
957# is identical for client and server? Yes. Which is picked at runtime (client or server)?
958# Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
959# libraries will link to whatever is in memory. Yuck.
960#
961# Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
962if test "x$COMPILER_NAME" = xcl; then
963    LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
964    if test "x$OPENJDK_TARGET_CPU" = xx86; then
965        LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
966    fi
967    # TODO: make -debug optional "--disable-full-debug-symbols"
968    LDFLAGS_JDK="$LDFLAGS_JDK -debug"
969    LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
970    LDFLAGS_JDKLIB_SUFFIX=""
971    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
972        LDFLAGS_STACK_SIZE=1048576
973    else
974        LDFLAGS_STACK_SIZE=327680
975    fi
976    LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
977else
978    if test "x$COMPILER_NAME" = xgcc; then
979        # If this is a --hash-style=gnu system, use --hash-style=both, why?
980        HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
981        if test -n "$HAS_GNU_HASH"; then
982            LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
983        fi
984        if test "x$OPENJDK_TARGET_OS" = xlinux; then
985          # And since we now know that the linker is gnu, then add -z defs, to forbid
986          # undefined symbols in object files.
987          LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
988          if test "x$DEBUG_LEVEL" = "xrelease"; then
989              # When building release libraries, tell the linker optimize them.
990              # Should this be supplied to the OSS linker as well?
991              LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
992          fi
993        fi
994    fi
995    LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
996                    -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
997
998    # On some platforms (mac) the linker warns about non existing -L dirs.
999    # Add server first if available. Linking aginst client does not always produce the same results.
1000    # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
1001    # Default to server for other variants.
1002    if test "x$JVM_VARIANT_SERVER" = xtrue; then
1003        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
1004    elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
1005        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
1006    elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
1007        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
1008    else
1009        LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
1010    fi
1011
1012    LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
1013    if test "x$COMPILER_NAME" = xossc; then
1014        LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
1015    fi
1016
1017    LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
1018    if test "x$OPENJDK_TARGET_OS" = xlinux; then
1019        LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
1020    fi
1021fi
1022
1023AC_SUBST(CFLAGS_JDKLIB)
1024AC_SUBST(CFLAGS_JDKEXE)
1025
1026AC_SUBST(CXXFLAGS_JDKLIB)
1027AC_SUBST(CXXFLAGS_JDKEXE)
1028
1029AC_SUBST(LDFLAGS_JDKLIB)
1030AC_SUBST(LDFLAGS_JDKEXE)
1031AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1032AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1033AC_SUBST(LDFLAGS_CXX_JDK)
1034])
1035
1036
1037# TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1038#                                   [RUN-IF-FALSE])
1039# ------------------------------------------------------------
1040# Check that the c and c++ compilers support an argument
1041AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1042[
1043  AC_MSG_CHECKING([if compiler supports "$1"])
1044  supports=yes
1045
1046  saved_cflags="$CFLAGS"
1047  CFLAGS="$CFLAGS $1"
1048  AC_LANG_PUSH([C])
1049  AC_COMPILE_IFELSE([
1050    AC_LANG_SOURCE([[int i;]])
1051  ], [], [supports=no])
1052  AC_LANG_POP([C])
1053  CFLAGS="$saved_cflags"
1054
1055  saved_cxxflags="$CXXFLAGS"
1056  CXXFLAGS="$CXXFLAG $1"
1057  AC_LANG_PUSH([C++])
1058  AC_COMPILE_IFELSE([
1059    AC_LANG_SOURCE([[int i;]])
1060  ], [], [supports=no])
1061  AC_LANG_POP([C++])
1062  CXXFLAGS="$saved_cxxflags"
1063
1064  AC_MSG_RESULT([$supports])
1065  if test "x$supports" = "xyes" ; then
1066    m4_ifval([$2], [$2], [:])
1067  else
1068    m4_ifval([$3], [$3], [:])
1069  fi
1070])
1071
1072AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1073[
1074  # Some Zero and Shark settings.
1075  # ZERO_ARCHFLAG tells the compiler which mode to build for
1076  case "${OPENJDK_TARGET_CPU}" in
1077    s390)
1078      ZERO_ARCHFLAG="-m31"
1079      ;;
1080    *)
1081      ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1082  esac
1083  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1084  AC_SUBST(ZERO_ARCHFLAG)
1085
1086  # Check that the compiler supports -mX flags
1087  # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1088  TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1089    [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1090    [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1091  AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1092])
1093
1094# Setup the JTREG paths
1095AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
1096[
1097  AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
1098  [Regression Test Harness @<:@probed@:>@])],
1099  [],
1100  [with_jtreg=no])
1101
1102  if test "x$with_jtreg" = xno; then
1103    # jtreg disabled
1104    AC_MSG_CHECKING([for jtreg])
1105    AC_MSG_RESULT(no)
1106  else
1107    if test "x$with_jtreg" != xyes; then
1108      # with path specified.
1109      JT_HOME="$with_jtreg"
1110    fi
1111
1112    if test "x$JT_HOME" != x; then
1113      AC_MSG_CHECKING([for jtreg])
1114
1115      # use JT_HOME enviroment var.
1116      BASIC_FIXUP_PATH([JT_HOME])
1117
1118      # jtreg win32 script works for everybody
1119      JTREGEXE="$JT_HOME/win32/bin/jtreg"
1120
1121      if test ! -f "$JTREGEXE"; then
1122        AC_MSG_ERROR([JTReg executable does not exist: $JTREGEXE])
1123      fi
1124
1125      AC_MSG_RESULT($JTREGEXE)
1126    else
1127      # try to find jtreg on path
1128      BASIC_REQUIRE_PROG(JTREGEXE, jtreg)
1129      JT_HOME="`$DIRNAME $JTREGEXE`"
1130    fi
1131  fi
1132
1133  AC_SUBST(JT_HOME)
1134  AC_SUBST(JTREGEXE)
1135])
1136