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common/autoconf/toolchain.m4@e64f2cb57d05
common/autoconf/toolchain.m4
Fri, 26 Oct 2012 14:29:57 -0700
- author
- ohair
- date
- Fri, 26 Oct 2012 14:29:57 -0700
- changeset 494
- e64f2cb57d05
- parent 478
- 2ba6f4da4bf3
- child 495
- e3182741ade2
- permissions
- -rw-r--r--
8000992: Update new build-infra makefiles
Summary: Build-infra project integration. Multiple authors on this work: erikj and ihse primarily, also changes from ohair, tbell, and dholmes. Special credit to ohstrom for his smartjavac work.
Reviewed-by: erikj, ihse, dholmes, tbell
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 #
26 # $1 = compiler to test (CC or CXX)
27 # $2 = human readable name of compiler (C or C++)
28 AC_DEFUN([TOOLCHAIN_CHECK_COMPILER_VERSION],
29 [
30 COMPILER=[$]$1
31 COMPILER_NAME=$2
33 if test "x$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`
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 | $HEAD -n 1`
51 COMPILER_VERSION=`$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
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"
83 AC_MSG_NOTICE([Using $COMPILER_VENDOR $COMPILER_NAME compiler version $COMPILER_VERSION (located at $COMPILER)])
84 ])
87 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_SYSROOT_AND_OUT_OPTIONS],
88 [
89 ###############################################################################
90 #
91 # Configure the development tool paths and potential sysroot.
92 #
93 AC_LANG(C++)
95 # The option used to specify the target .o,.a or .so file.
96 # When compiling, how to specify the to be created object file.
97 CC_OUT_OPTION='-o$(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 ])
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
113 AC_DEFUN([TOOLCHAIN_FIND_COMPILER],
114 [
115 COMPILER_NAME=$2
117 # Do a first initial attempt at searching the list of compiler names.
118 # AC_PATH_PROGS can't be run multiple times with the same variable,
119 # so create a new name for this run.
120 AC_PATH_PROGS(POTENTIAL_$1, $3)
121 $1=$POTENTIAL_$1
123 if test "x$[$]$1" = x; then
124 HELP_MSG_MISSING_DEPENDENCY([devkit])
125 AC_MSG_ERROR([Could not find a $COMPILER_NAME compiler. $HELP_MSG])
126 fi
127 BASIC_FIXUP_EXECUTABLE($1)
128 AC_MSG_CHECKING([resolved symbolic links for $1])
129 TEST_COMPILER="[$]$1"
130 BASIC_REMOVE_SYMBOLIC_LINKS(TEST_COMPILER)
131 AC_MSG_RESULT([$TEST_COMPILER])
132 AC_MSG_CHECKING([if $1 is disguised ccache])
134 COMPILER_BASENAME=`$BASENAME "$TEST_COMPILER"`
135 if test "x$COMPILER_BASENAME" = "xccache"; then
136 AC_MSG_RESULT([yes, trying to find proper $COMPILER_NAME compiler])
137 # We /usr/lib/ccache in the path, so cc is a symlink to /usr/bin/ccache.
138 # We want to control ccache invocation ourselves, so ignore this cc and try
139 # searching again.
141 # Remove the path to the fake ccache cc from the PATH
142 RETRY_COMPILER_SAVED_PATH="$PATH"
143 COMPILER_DIRNAME=`$DIRNAME [$]$1`
144 PATH="`$ECHO $PATH | $SED -e "s,$COMPILER_DIRNAME,,g" -e "s,::,:,g" -e "s,^:,,g"`"
146 # Try again looking for our compiler
147 AC_CHECK_TOOLS(PROPER_COMPILER_$1, $3)
148 BASIC_FIXUP_EXECUTABLE(PROPER_COMPILER_$1)
149 PATH="$RETRY_COMPILER_SAVED_PATH"
151 AC_MSG_CHECKING([for resolved symbolic links for $1])
152 BASIC_REMOVE_SYMBOLIC_LINKS(PROPER_COMPILER_$1)
153 AC_MSG_RESULT([$PROPER_COMPILER_$1])
154 $1="$PROPER_COMPILER_$1"
155 else
156 AC_MSG_RESULT([no, keeping $1])
157 $1="$TEST_COMPILER"
158 fi
159 TOOLCHAIN_CHECK_COMPILER_VERSION([$1], [$COMPILER_NAME])
160 ])
163 AC_DEFUN([TOOLCHAIN_SETUP_PATHS],
164 [
165 if test "x$OPENJDK_TARGET_OS" = "xwindows"; then
166 TOOLCHAIN_SETUP_VISUAL_STUDIO_ENV
167 fi
169 AC_SUBST(MSVCR_DLL)
171 # If --build AND --host is set, then the configure script will find any
172 # cross compilation tools in the PATH. Cross compilation tools
173 # follows the cross compilation standard where they are prefixed with ${host}.
174 # For example the binary i686-sun-solaris2.10-gcc
175 # will cross compile for i686-sun-solaris2.10
176 # If neither of build and host is not set, then build=host and the
177 # default compiler found in the path will be used.
178 # Setting only --host, does not seem to be really supported.
179 # Please set both --build and --host if you want to cross compile.
181 if test "x$COMPILE_TYPE" = "xcross"; then
182 # Now we to find a C/C++ compiler that can build executables for the build
183 # platform. We can't use the AC_PROG_CC macro, since it can only be used
184 # once. Also, we need to do this before adding a tools dir to the path,
185 # otherwise we might pick up cross-compilers which don't use standard naming.
186 # Otherwise, we'll set the BUILD_tools to the native tools, but that'll have
187 # to wait until they are properly discovered.
188 AC_PATH_PROGS(BUILD_CC, [cl cc gcc])
189 BASIC_FIXUP_EXECUTABLE(BUILD_CC)
190 AC_PATH_PROGS(BUILD_CXX, [cl CC g++])
191 BASIC_FIXUP_EXECUTABLE(BUILD_CXX)
192 AC_PATH_PROG(BUILD_LD, ld)
193 BASIC_FIXUP_EXECUTABLE(BUILD_LD)
194 fi
195 AC_SUBST(BUILD_CC)
196 AC_SUBST(BUILD_CXX)
197 AC_SUBST(BUILD_LD)
199 # If a devkit is found on the builddeps server, then prepend its path to the
200 # PATH variable. If there are cross compilers available in the devkit, these
201 # will be found by AC_PROG_CC et al.
202 DEVKIT=
203 BDEPS_CHECK_MODULE(DEVKIT, devkit, xxx,
204 [# Found devkit
205 PATH="$DEVKIT/bin:$PATH"
206 SYS_ROOT="$DEVKIT/${rewritten_target}/sys-root"
207 if test "x$x_includes" = "xNONE"; then
208 x_includes="$SYS_ROOT/usr/include/X11"
209 fi
210 if test "x$x_libraries" = "xNONE"; then
211 x_libraries="$SYS_ROOT/usr/lib"
212 fi
213 ],
214 [])
216 if test "x$SYS_ROOT" != "x/" ; then
217 CFLAGS="--sysroot=$SYS_ROOT $CFLAGS"
218 CXXFLAGS="--sysroot=$SYS_ROOT $CXXFLAGS"
219 OBJCFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS"
220 OBJCXXFLAGS="--sysroot=$SYS_ROOT $OBJCFLAGS"
221 CPPFLAGS="--sysroot=$SYS_ROOT $CPPFLAGS"
222 LDFLAGS="--sysroot=$SYS_ROOT $LDFLAGS"
223 fi
225 # Store the CFLAGS etal passed to the configure script.
226 ORG_CFLAGS="$CFLAGS"
227 ORG_CXXFLAGS="$CXXFLAGS"
228 ORG_OBJCFLAGS="$OBJCFLAGS"
230 # autoconf magic only relies on PATH, so update it if tools dir is specified
231 OLD_PATH="$PATH"
232 if test "x$TOOLS_DIR" != x; then
233 PATH=$TOOLS_DIR:$PATH
234 fi
237 ### Locate C compiler (CC)
239 # gcc is almost always present, but on Windows we
240 # prefer cl.exe and on Solaris we prefer CC.
241 # Thus test for them in this order.
242 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
243 # Do not probe for cc on MacOSX.
244 COMPILER_CHECK_LIST="cl gcc"
245 else
246 COMPILER_CHECK_LIST="cl cc gcc"
247 fi
249 TOOLCHAIN_FIND_COMPILER([CC],[C],[$COMPILER_CHECK_LIST])
250 # Now that we have resolved CC ourself, let autoconf have it's go at it
251 AC_PROG_CC([$CC])
253 ### Locate C++ compiler (CXX)
255 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
256 # Do not probe for CC on MacOSX.
257 COMPILER_CHECK_LIST="cl g++"
258 else
259 COMPILER_CHECK_LIST="cl CC g++"
260 fi
261 TOOLCHAIN_FIND_COMPILER([CXX],[C++],[$COMPILER_CHECK_LIST])
262 # Now that we have resolved CXX ourself, let autoconf have it's go at it
263 AC_PROG_CXX([$CXX])
265 ### Locate other tools
267 if test "x$OPENJDK_TARGET_OS" != xwindows; then
268 AC_PROG_OBJC
269 BASIC_FIXUP_EXECUTABLE(OBJC)
270 else
271 OBJC=
272 fi
274 # Restore the flags to the user specified values.
275 # This is necessary since AC_PROG_CC defaults CFLAGS to "-g -O2"
276 CFLAGS="$ORG_CFLAGS"
277 CXXFLAGS="$ORG_CXXFLAGS"
278 OBJCFLAGS="$ORG_OBJCFLAGS"
280 LD="$CC"
281 LDEXE="$CC"
282 LDCXX="$CXX"
283 LDEXECXX="$CXX"
284 AC_SUBST(LD)
285 # LDEXE is the linker to use, when creating executables.
286 AC_SUBST(LDEXE)
287 # Linking C++ libraries.
288 AC_SUBST(LDCXX)
289 # Linking C++ executables.
290 AC_SUBST(LDEXECXX)
292 if test "x$OPENJDK_TARGET_OS" != xwindows; then
293 AC_CHECK_TOOL(AR, ar)
294 BASIC_FIXUP_EXECUTABLE(AR)
295 fi
296 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
297 ARFLAGS="-r"
298 else
299 ARFLAGS=""
300 fi
301 AC_SUBST(ARFLAGS)
303 # For hotspot, we need these in Windows mixed path; other platforms keep them the same
304 HOTSPOT_CXX="$CXX"
305 HOTSPOT_LD="$LD"
306 AC_SUBST(HOTSPOT_CXX)
307 AC_SUBST(HOTSPOT_LD)
309 COMPILER_NAME=gcc
310 COMPILER_TYPE=CC
311 AS_IF([test "x$OPENJDK_TARGET_OS" = xwindows], [
312 # For now, assume that we are always compiling using cl.exe.
313 CC_OUT_OPTION=-Fo
314 EXE_OUT_OPTION=-out:
315 LD_OUT_OPTION=-out:
316 AR_OUT_OPTION=-out:
317 # On Windows, reject /usr/bin/link (as determined in CYGWIN_LINK), which is a cygwin
318 # program for something completely different.
319 AC_CHECK_PROG([WINLD], [link],[link],,, [$CYGWIN_LINK])
320 # Since we must ignore the first found link, WINLD will contain
321 # the full path to the link.exe program.
322 BASIC_FIXUP_EXECUTABLE(WINLD)
323 printf "Windows linker was found at $WINLD\n"
324 AC_MSG_CHECKING([if the found link.exe is actually the Visual Studio linker])
325 "$WINLD" --version > /dev/null
326 if test $? -eq 0 ; then
327 AC_MSG_RESULT([no])
328 AC_MSG_ERROR([This is the Cygwin link tool. Please check your PATH and rerun configure.])
329 else
330 AC_MSG_RESULT([yes])
331 fi
332 LD="$WINLD"
333 LDEXE="$WINLD"
334 LDCXX="$WINLD"
335 LDEXECXX="$WINLD"
337 AC_CHECK_PROG([MT], [mt], [mt],,, [/usr/bin/mt])
338 BASIC_FIXUP_EXECUTABLE(MT)
339 # The resource compiler
340 AC_CHECK_PROG([RC], [rc], [rc],,, [/usr/bin/rc])
341 BASIC_FIXUP_EXECUTABLE(RC)
343 # For hotspot, we need these in Windows mixed path,
344 # so rewrite them all. Need added .exe suffix.
345 HOTSPOT_CXX="$CXX.exe"
346 HOTSPOT_LD="$LD.exe"
347 HOTSPOT_MT="$MT.exe"
348 HOTSPOT_RC="$RC.exe"
349 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_CXX)
350 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_LD)
351 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_MT)
352 BASIC_WINDOWS_REWRITE_AS_WINDOWS_MIXED_PATH(HOTSPOT_RC)
353 AC_SUBST(HOTSPOT_MT)
354 AC_SUBST(HOTSPOT_RC)
356 RC_FLAGS="-nologo -l 0x409 -r"
357 AS_IF([test "x$VARIANT" = xOPT], [
358 RC_FLAGS="$RC_FLAGS -d NDEBUG"
359 ])
360 JDK_UPDATE_VERSION_NOTNULL=$JDK_UPDATE_VERSION
361 AS_IF([test "x$JDK_UPDATE_VERSION" = x], [
362 JDK_UPDATE_VERSION_NOTNULL=0
363 ])
364 RC_FLAGS="$RC_FLAGS -d \"JDK_BUILD_ID=$FULL_VERSION\""
365 RC_FLAGS="$RC_FLAGS -d \"JDK_COMPANY=$COMPANY_NAME\""
366 RC_FLAGS="$RC_FLAGS -d \"JDK_COMPONENT=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME binary\""
367 RC_FLAGS="$RC_FLAGS -d \"JDK_VER=$JDK_MINOR_VERSION.$JDK_MICRO_VERSION.$JDK_UPDATE_VERSION_NOTNULL.$COOKED_BUILD_NUMBER\""
368 RC_FLAGS="$RC_FLAGS -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\""
369 RC_FLAGS="$RC_FLAGS -d \"JDK_NAME=$PRODUCT_NAME $JDK_RC_PLATFORM_NAME $JDK_MINOR_VERSION $JDK_UPDATE_META_TAG\""
370 RC_FLAGS="$RC_FLAGS -d \"JDK_FVER=$JDK_MINOR_VERSION,$JDK_MICRO_VERSION,$JDK_UPDATE_VERSION_NOTNULL,$COOKED_BUILD_NUMBER\""
372 # lib.exe is used to create static libraries.
373 AC_CHECK_PROG([WINAR], [lib],[lib],,,)
374 BASIC_FIXUP_EXECUTABLE(WINAR)
375 AR="$WINAR"
376 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
378 AC_CHECK_PROG([DUMPBIN], [dumpbin], [dumpbin],,,)
379 BASIC_FIXUP_EXECUTABLE(DUMPBIN)
381 COMPILER_TYPE=CL
382 CCXXFLAGS="$CCXXFLAGS -nologo"
383 ])
384 AC_SUBST(RC_FLAGS)
385 AC_SUBST(COMPILER_TYPE)
387 AC_PROG_CPP
388 BASIC_FIXUP_EXECUTABLE(CPP)
390 AC_PROG_CXXCPP
391 BASIC_FIXUP_EXECUTABLE(CXXCPP)
393 if test "x$COMPILE_TYPE" != "xcross"; then
394 # If we are not cross compiling, use the same compilers for
395 # building the build platform executables. The cross-compilation
396 # case needed to be done earlier, but this can only be done after
397 # the native tools have been localized.
398 BUILD_CC="$CC"
399 BUILD_CXX="$CXX"
400 BUILD_LD="$LD"
401 fi
403 # for solaris we really need solaris tools, and not gnu equivalent
404 # these seems to normally reside in /usr/ccs/bin so add that to path before
405 # starting to probe
406 #
407 # NOTE: I add this /usr/ccs/bin after TOOLS but before OLD_PATH
408 # so that it can be overriden --with-tools-dir
409 if test "x$OPENJDK_BUILD_OS" = xsolaris; then
410 PATH="${TOOLS_DIR}:/usr/ccs/bin:${OLD_PATH}"
411 fi
413 # Find the right assembler.
414 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
415 AC_PATH_PROG(AS, as)
416 BASIC_FIXUP_EXECUTABLE(AS)
417 else
418 AS="$CC -c"
419 fi
420 AC_SUBST(AS)
422 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
423 AC_PATH_PROGS(NM, [gnm nm])
424 BASIC_FIXUP_EXECUTABLE(NM)
425 AC_PATH_PROG(STRIP, strip)
426 BASIC_FIXUP_EXECUTABLE(STRIP)
427 AC_PATH_PROG(MCS, mcs)
428 BASIC_FIXUP_EXECUTABLE(MCS)
429 elif test "x$OPENJDK_TARGET_OS" != xwindows; then
430 AC_CHECK_TOOL(NM, nm)
431 BASIC_FIXUP_EXECUTABLE(NM)
432 AC_CHECK_TOOL(STRIP, strip)
433 BASIC_FIXUP_EXECUTABLE(STRIP)
434 fi
436 # objcopy is used for moving debug symbols to separate files when
437 # full debug symbols are enabled.
438 if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xlinux; then
439 AC_CHECK_TOOLS(OBJCOPY, [gobjcopy objcopy])
440 BASIC_FIXUP_EXECUTABLE(OBJCOPY)
441 fi
443 AC_CHECK_TOOLS(OBJDUMP, [gobjdump objdump])
444 if test "x$OBJDUMP" != x; then
445 # Only used for compare.sh; we can live without it. BASIC_FIXUP_EXECUTABLE bails if argument is missing.
446 BASIC_FIXUP_EXECUTABLE(OBJDUMP)
447 fi
449 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
450 AC_PATH_PROG(LIPO, lipo)
451 BASIC_FIXUP_EXECUTABLE(LIPO)
452 fi
454 # Restore old path without tools dir
455 PATH="$OLD_PATH"
456 ])
459 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_LIBS],
460 [
462 ###############################################################################
463 #
464 # How to compile shared libraries.
465 #
467 if test "x$GCC" = xyes; then
468 COMPILER_NAME=gcc
469 PICFLAG="-fPIC"
470 LIBRARY_PREFIX=lib
471 SHARED_LIBRARY='lib[$]1.so'
472 STATIC_LIBRARY='lib[$]1.a'
473 SHARED_LIBRARY_FLAGS="-shared"
474 SHARED_LIBRARY_SUFFIX='.so'
475 STATIC_LIBRARY_SUFFIX='.a'
476 OBJ_SUFFIX='.o'
477 EXE_SUFFIX=''
478 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
479 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
480 C_FLAG_REORDER=''
481 CXX_FLAG_REORDER=''
482 SET_SHARED_LIBRARY_ORIGIN='-Xlinker -z -Xlinker origin -Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
483 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
484 LD="$CC"
485 LDEXE="$CC"
486 LDCXX="$CXX"
487 LDEXECXX="$CXX"
488 POST_STRIP_CMD="$STRIP -g"
490 # Linking is different on MacOSX
491 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
492 # Might change in the future to clang.
493 COMPILER_NAME=gcc
494 SHARED_LIBRARY='lib[$]1.dylib'
495 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
496 SHARED_LIBRARY_SUFFIX='.dylib'
497 EXE_SUFFIX=''
498 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
499 SET_SHARED_LIBRARY_MAPFILE=''
500 SET_SHARED_LIBRARY_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
501 SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
502 POST_STRIP_CMD="$STRIP -S"
503 fi
504 else
505 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
506 # If it is not gcc, then assume it is the Oracle Solaris Studio Compiler
507 COMPILER_NAME=ossc
508 PICFLAG="-KPIC"
509 LIBRARY_PREFIX=lib
510 SHARED_LIBRARY='lib[$]1.so'
511 STATIC_LIBRARY='lib[$]1.a'
512 SHARED_LIBRARY_FLAGS="-G"
513 SHARED_LIBRARY_SUFFIX='.so'
514 STATIC_LIBRARY_SUFFIX='.a'
515 OBJ_SUFFIX='.o'
516 EXE_SUFFIX=''
517 SET_SHARED_LIBRARY_NAME=''
518 SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
519 C_FLAG_REORDER='-xF'
520 CXX_FLAG_REORDER='-xF'
521 SET_SHARED_LIBRARY_ORIGIN='-R\$$$$ORIGIN[$]1'
522 SET_EXECUTABLE_ORIGIN="$SET_SHARED_LIBRARY_ORIGIN"
523 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
524 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
525 CFLAGS_JDKLIB_EXTRA='-xstrconst'
526 POST_STRIP_CMD="$STRIP -x"
527 POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
528 fi
529 if test "x$OPENJDK_TARGET_OS" = xwindows; then
530 # If it is not gcc, then assume it is the MS Visual Studio compiler
531 COMPILER_NAME=cl
532 PICFLAG=""
533 LIBRARY_PREFIX=
534 SHARED_LIBRARY='[$]1.dll'
535 STATIC_LIBRARY='[$]1.lib'
536 SHARED_LIBRARY_FLAGS="-LD"
537 SHARED_LIBRARY_SUFFIX='.dll'
538 STATIC_LIBRARY_SUFFIX='.lib'
539 OBJ_SUFFIX='.obj'
540 EXE_SUFFIX='.exe'
541 SET_SHARED_LIBRARY_NAME=''
542 SET_SHARED_LIBRARY_MAPFILE=''
543 SET_SHARED_LIBRARY_ORIGIN=''
544 SET_EXECUTABLE_ORIGIN=''
545 fi
546 fi
548 AC_SUBST(OBJ_SUFFIX)
549 AC_SUBST(SHARED_LIBRARY)
550 AC_SUBST(STATIC_LIBRARY)
551 AC_SUBST(LIBRARY_PREFIX)
552 AC_SUBST(SHARED_LIBRARY_SUFFIX)
553 AC_SUBST(STATIC_LIBRARY_SUFFIX)
554 AC_SUBST(EXE_SUFFIX)
555 AC_SUBST(SHARED_LIBRARY_FLAGS)
556 AC_SUBST(SET_SHARED_LIBRARY_NAME)
557 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
558 AC_SUBST(C_FLAG_REORDER)
559 AC_SUBST(CXX_FLAG_REORDER)
560 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
561 AC_SUBST(SET_EXECUTABLE_ORIGIN)
562 AC_SUBST(POST_STRIP_CMD)
563 AC_SUBST(POST_MCS_CMD)
565 # The (cross) compiler is now configured, we can now test capabilities
566 # of the target platform.
567 ])
569 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
570 [
572 ###############################################################################
573 #
574 # Setup the opt flags for different compilers
575 # and different operating systems.
576 #
578 #
579 # NOTE: check for -mstackrealign needs to be below potential addition of -m32
580 #
581 if test "x$OPENJDK_TARGET_CPU_BITS" = x32 && test "x$OPENJDK_TARGET_OS" = xmacosx; then
582 # On 32-bit MacOSX the OS requires C-entry points to be 16 byte aligned.
583 # While waiting for a better solution, the current workaround is to use -mstackrealign.
584 CFLAGS="$CFLAGS -mstackrealign"
585 AC_MSG_CHECKING([if 32-bit compiler supports -mstackrealign])
586 AC_LINK_IFELSE([AC_LANG_SOURCE([[int main() { return 0; }]])],
587 [
588 AC_MSG_RESULT([yes])
589 ],
590 [
591 AC_MSG_RESULT([no])
592 AC_MSG_ERROR([The selected compiler $CXX does not support -mstackrealign! Try to put another compiler in the path.])
593 ])
594 fi
596 C_FLAG_DEPS="-MMD -MF"
597 CXX_FLAG_DEPS="-MMD -MF"
599 case $COMPILER_TYPE in
600 CC )
601 D_FLAG="-g"
602 case $COMPILER_NAME in
603 gcc )
604 case $OPENJDK_TARGET_OS in
605 macosx )
606 # On MacOSX we optimize for size, something
607 # we should do for all platforms?
608 C_O_FLAG_HI="-Os"
609 C_O_FLAG_NORM="-Os"
610 C_O_FLAG_NONE=""
611 ;;
612 *)
613 C_O_FLAG_HI="-O3"
614 C_O_FLAG_NORM="-O2"
615 C_O_FLAG_NONE="-O0"
616 CFLAGS_DEBUG_SYMBOLS="-g"
617 CXXFLAGS_DEBUG_SYMBOLS="-g"
618 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
619 CFLAGS_DEBUG_SYMBOLS="-g1"
620 CXXFLAGS_DEBUG_SYMBOLS="-g1"
621 fi
622 ;;
623 esac
624 CXX_O_FLAG_HI="$C_O_FLAG_HI"
625 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
626 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
627 ;;
628 ossc )
629 #
630 # Forte has different names for this with their C++ compiler...
631 #
632 C_FLAG_DEPS="-xMMD -xMF"
633 CXX_FLAG_DEPS="-xMMD -xMF"
635 # Extra options used with HIGHEST
636 #
637 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
638 # done with care, there are some assumptions below that need to
639 # be understood about the use of pointers, and IEEE behavior.
640 #
641 # Use non-standard floating point mode (not IEEE 754)
642 CC_HIGHEST="$CC_HIGHEST -fns"
643 # Do some simplification of floating point arithmetic (not IEEE 754)
644 CC_HIGHEST="$CC_HIGHEST -fsimple"
645 # Use single precision floating point with 'float'
646 CC_HIGHEST="$CC_HIGHEST -fsingle"
647 # Assume memory references via basic pointer types do not alias
648 # (Source with excessing pointer casting and data access with mixed
649 # pointer types are not recommended)
650 CC_HIGHEST="$CC_HIGHEST -xalias_level=basic"
651 # Use intrinsic or inline versions for math/std functions
652 # (If you expect perfect errno behavior, do not use this)
653 CC_HIGHEST="$CC_HIGHEST -xbuiltin=%all"
654 # Loop data dependency optimizations (need -xO3 or higher)
655 CC_HIGHEST="$CC_HIGHEST -xdepend"
656 # Pointer parameters to functions do not overlap
657 # (Similar to -xalias_level=basic usage, but less obvious sometimes.
658 # If you pass in multiple pointers to the same data, do not use this)
659 CC_HIGHEST="$CC_HIGHEST -xrestrict"
660 # Inline some library routines
661 # (If you expect perfect errno behavior, do not use this)
662 CC_HIGHEST="$CC_HIGHEST -xlibmil"
663 # Use optimized math routines
664 # (If you expect perfect errno behavior, do not use this)
665 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
666 #CC_HIGHEST="$CC_HIGHEST -xlibmopt"
668 if test "x$OPENJDK_TARGET_CPU" = xsparc; then
669 CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
670 CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
671 fi
673 case $OPENJDK_TARGET_CPU_ARCH in
674 x86)
675 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xregs=no%frameptr"
676 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
677 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
678 C_O_FLAG_NONE="-xregs=no%frameptr"
679 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
680 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
681 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
682 CXX_O_FLAG_NONE="-xregs=no%frameptr"
683 if test "x$OPENJDK_TARGET_CPU" = xx86; then
684 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
685 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
686 fi
687 ;;
688 sparc)
689 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
690 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
691 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
692 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
693 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
694 C_O_FLAG_NONE=""
695 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
696 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
697 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
698 CXX_O_FLAG_NONE=""
699 ;;
700 esac
702 CFLAGS_DEBUG_SYMBOLS="-g -xs"
703 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
704 esac
705 ;;
706 CL )
707 D_FLAG=
708 C_O_FLAG_HIGHEST="-O2"
709 C_O_FLAG_HI="-O1"
710 C_O_FLAG_NORM="-O1"
711 C_O_FLAG_NONE="-Od"
712 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
713 CXX_O_FLAG_HI="$C_O_FLAG_HI"
714 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
715 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
716 ;;
717 esac
719 if test -z "$C_O_FLAG_HIGHEST"; then
720 C_O_FLAG_HIGHEST="$C_O_FLAG_HI"
721 fi
723 if test -z "$CXX_O_FLAG_HIGHEST"; then
724 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HI"
725 fi
727 AC_SUBST(C_O_FLAG_HIGHEST)
728 AC_SUBST(C_O_FLAG_HI)
729 AC_SUBST(C_O_FLAG_NORM)
730 AC_SUBST(C_O_FLAG_NONE)
731 AC_SUBST(CXX_O_FLAG_HIGHEST)
732 AC_SUBST(CXX_O_FLAG_HI)
733 AC_SUBST(CXX_O_FLAG_NORM)
734 AC_SUBST(CXX_O_FLAG_NONE)
735 AC_SUBST(C_FLAG_DEPS)
736 AC_SUBST(CXX_FLAG_DEPS)
737 ])
739 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_FOR_JDK],
740 [
742 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
743 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
744 fi
746 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
747 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
748 fi
750 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
751 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
752 fi
754 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
755 [extra flags to be used when compiling jdk c-files])])
757 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
758 [extra flags to be used when compiling jdk c++-files])])
760 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
761 [extra flags to be used when linking jdk])])
763 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
764 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
765 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
767 # Hotspot needs these set in their legacy form
768 LEGACY_EXTRA_CFLAGS=$with_extra_cflags
769 LEGACY_EXTRA_CXXFLAGS=$with_extra_cxxflags
770 LEGACY_EXTRA_LDFLAGS=$with_extra_ldflags
772 AC_SUBST(LEGACY_EXTRA_CFLAGS)
773 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
774 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
776 ###############################################################################
777 #
778 # Now setup the CFLAGS and LDFLAGS for the JDK build.
779 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
780 #
781 case $COMPILER_NAME in
782 gcc )
783 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -W -Wall -Wno-unused -Wno-parentheses \
784 -pipe \
785 -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
786 case $OPENJDK_TARGET_CPU_ARCH in
787 arm )
788 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
789 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
790 ;;
791 ppc )
792 # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
793 ;;
794 * )
795 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
796 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
797 ;;
798 esac
799 ;;
800 ossc )
801 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
802 case $OPENJDK_TARGET_CPU_ARCH in
803 x86 )
804 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
805 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
806 ;;
807 esac
809 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
810 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
812 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
813 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
814 ;;
815 cl )
816 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
817 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
818 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
819 -DWIN32 -DIAL"
820 case $OPENJDK_TARGET_CPU in
821 x86 )
822 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
823 ;;
824 x86_64 )
825 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
826 ;;
827 esac
828 ;;
829 esac
831 ###############################################################################
833 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
835 # The package path is used only on macosx?
836 PACKAGE_PATH=/opt/local
837 AC_SUBST(PACKAGE_PATH)
839 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
840 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
841 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
842 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
843 # Note: -Dmacro is the same as #define macro 1
844 # -Dmacro= is the same as #define macro
845 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
846 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
847 else
848 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
849 fi
850 else
851 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
852 fi
853 if test "x$OPENJDK_TARGET_OS" = xlinux; then
854 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DLINUX"
855 fi
856 if test "x$OPENJDK_TARGET_OS" = xwindows; then
857 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DWINDOWS"
858 fi
859 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
860 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DSOLARIS"
861 fi
862 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
863 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMACOSX -D_ALLBSD_SOURCE"
864 fi
865 if test "x$OPENJDK_TARGET_OS" = xbsd; then
866 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DBSD -D_ALLBSD_SOURCE"
867 fi
868 if test "x$DEBUG_LEVEL" = xrelease; then
869 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
870 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
871 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
872 fi
873 else
874 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
875 fi
877 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
878 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"$RELEASE\"'"
880 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
881 -I${JDK_OUTPUTDIR}/include \
882 -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
883 -I${JDK_TOPDIR}/src/share/javavm/export \
884 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/javavm/export \
885 -I${JDK_TOPDIR}/src/share/native/common \
886 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
888 # The shared libraries are compiled using the picflag.
889 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
890 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
892 # Executable flags
893 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
894 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
896 # Now this is odd. The JDK native libraries have to link against libjvm.so
897 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
898 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
899 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
900 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
901 # libraries will link to whatever is in memory. Yuck.
902 #
903 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
904 if test "x$COMPILER_NAME" = xcl; then
905 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
906 if test "x$OPENJDK_TARGET_CPU" = xx86; then
907 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
908 fi
909 # TODO: make -debug optional "--disable-full-debug-symbols"
910 LDFLAGS_JDK="$LDFLAGS_JDK -debug"
911 LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
912 LDFLAGS_JDKLIB_SUFFIX=""
913 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
914 LDFLAGS_STACK_SIZE=1048576
915 else
916 LDFLAGS_STACK_SIZE=327680
917 fi
918 LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
919 else
920 if test "x$COMPILER_NAME" = xgcc; then
921 # If this is a --hash-style=gnu system, use --hash-style=both, why?
922 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
923 if test -n "$HAS_GNU_HASH"; then
924 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
925 fi
926 if test "x$OPENJDK_TARGET_OS" = xlinux; then
927 # And since we now know that the linker is gnu, then add -z defs, to forbid
928 # undefined symbols in object files.
929 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
930 if test "x$DEBUG_LEVEL" = "xrelease"; then
931 # When building release libraries, tell the linker optimize them.
932 # Should this be supplied to the OSS linker as well?
933 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
934 fi
935 fi
936 fi
937 LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
938 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server \
939 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client \
940 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
942 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
943 if test "x$COMPILER_NAME" = xossc; then
944 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
945 fi
947 LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
948 if test "x$OPENJDK_TARGET_OS" = xlinux; then
949 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
950 fi
951 fi
953 # Adjust flags according to debug level.
954 case $DEBUG_LEVEL in
955 fastdebug )
956 CFLAGS="$CFLAGS $D_FLAG"
957 JAVAC_FLAGS="$JAVAC_FLAGS -g"
958 ;;
959 slowdebug )
960 CFLAGS="$CFLAGS $D_FLAG"
961 C_O_FLAG_HI="$C_O_FLAG_NONE"
962 C_O_FLAG_NORM="$C_O_FLAG_NONE"
963 CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
964 CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
965 JAVAC_FLAGS="$JAVAC_FLAGS -g"
966 ;;
967 esac
970 AC_SUBST(CFLAGS_JDKLIB)
971 AC_SUBST(CFLAGS_JDKEXE)
973 AC_SUBST(CXXFLAGS_JDKLIB)
974 AC_SUBST(CXXFLAGS_JDKEXE)
976 AC_SUBST(LDFLAGS_JDKLIB)
977 AC_SUBST(LDFLAGS_JDKEXE)
978 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
979 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
980 AC_SUBST(LDFLAGS_CXX_JDK)
981 ])
