1 #
2 # Copyright (c) 2011, 2015, 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 # Reset the global CFLAGS/LDFLAGS variables and initialize them with the
27 # corresponding configure arguments instead
28 AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS],
29 [
30 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
31 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
32 fi
33
34 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
35 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
36 fi
37
38 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
39 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
40 fi
41
42 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
43 [extra flags to be used when compiling jdk c-files])])
44
45 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
46 [extra flags to be used when compiling jdk c++-files])])
47
48 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
49 [extra flags to be used when linking jdk])])
50
51 EXTRA_CFLAGS="$with_extra_cflags"
52 EXTRA_CXXFLAGS="$with_extra_cxxflags"
53 EXTRA_LDFLAGS="$with_extra_ldflags"
54
55 # Hotspot needs these set in their legacy form
56 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $EXTRA_CFLAGS"
57 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $EXTRA_CXXFLAGS"
58 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $EXTRA_LDFLAGS"
59
60 AC_SUBST(LEGACY_EXTRA_CFLAGS)
61 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
62 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
63
64 # The global CFLAGS and LDLAGS variables are used by configure tests and
65 # should include the extra parameters
66 CFLAGS="$EXTRA_CFLAGS"
67 CXXFLAGS="$EXTRA_CXXFLAGS"
68 LDFLAGS="$EXTRA_LDFLAGS"
69 CPPFLAGS=""
70 ])
71
72 # Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so
73 # that configure can use them while detecting compilers.
74 # TOOLCHAIN_TYPE is available here.
75 AC_DEFUN_ONCE([FLAGS_SETUP_SYSROOT_FLAGS],
76 [
77 if test "x$SYSROOT" != "x"; then
78 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
79 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
80 # Solaris Studio does not have a concept of sysroot. Instead we must
81 # make sure the default include and lib dirs are appended to each
82 # compile and link command line.
83 SYSROOT_CFLAGS="-I$SYSROOT/usr/include"
84 SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \
85 -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \
86 -L$SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR"
87 fi
88 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
89 SYSROOT_CFLAGS="--sysroot=$SYSROOT"
90 SYSROOT_LDFLAGS="--sysroot=$SYSROOT"
91 elif test "x$TOOLCHAIN_TYPE" = xclang; then
92 SYSROOT_CFLAGS="-isysroot $SYSROOT"
93 SYSROOT_LDFLAGS="-isysroot $SYSROOT"
94 fi
95 # Propagate the sysroot args to hotspot
96 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS"
97 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS"
98 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS"
99 # The global CFLAGS and LDFLAGS variables need these for configure to function
100 CFLAGS="$CFLAGS $SYSROOT_CFLAGS"
101 CPPFLAGS="$CPPFLAGS $SYSROOT_CFLAGS"
102 CXXFLAGS="$CXXFLAGS $SYSROOT_CFLAGS"
103 LDFLAGS="$LDFLAGS $SYSROOT_LDFLAGS"
104 fi
105
106 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
107 # We also need -iframework<path>/System/Library/Frameworks
108 SYSROOT_CFLAGS="$SYSROOT_CFLAGS -iframework $SYSROOT/System/Library/Frameworks"
109 SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -iframework $SYSROOT/System/Library/Frameworks"
110 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
111 # set this here so it doesn't have to be peppered throughout the forest
112 SYSROOT_CFLAGS="$SYSROOT_CFLAGS -F $SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
113 SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS -F $SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
114 fi
115
116 AC_SUBST(SYSROOT_CFLAGS)
117 AC_SUBST(SYSROOT_LDFLAGS)
118 ])
119
120 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
121 [
122 # Option used to tell the compiler whether to create 32- or 64-bit executables
123 if test "x$TOOLCHAIN_TYPE" = xxlc; then
124 COMPILER_TARGET_BITS_FLAG="-q"
125 else
126 COMPILER_TARGET_BITS_FLAG="-m"
127 fi
128 AC_SUBST(COMPILER_TARGET_BITS_FLAG)
129
130 # FIXME: figure out if we should select AR flags depending on OS or toolchain.
131 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
132 ARFLAGS="-r"
133 elif test "x$OPENJDK_TARGET_OS" = xaix; then
134 ARFLAGS="-X64"
135 elif test "x$OPENJDK_TARGET_OS" = xwindows; then
136 # lib.exe is used as AR to create static libraries.
137 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
138 else
139 ARFLAGS=""
140 fi
141 AC_SUBST(ARFLAGS)
142
143 ## Setup strip.
144 # FIXME: should this really be per platform, or should it be per toolchain type?
145 # strip is not provided by clang or solstudio; so guessing platform makes most sense.
146 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
147 if test "x$OPENJDK_TARGET_OS" = xlinux; then
148 STRIPFLAGS="-g"
149 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
150 STRIPFLAGS="-x"
151 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
152 STRIPFLAGS="-S"
153 elif test "x$OPENJDK_TARGET_OS" = xaix; then
154 STRIPFLAGS="-X32_64"
155 fi
156
157 AC_SUBST(STRIPFLAGS)
158
159 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
160 CC_OUT_OPTION=-Fo
161 EXE_OUT_OPTION=-out:
162 LD_OUT_OPTION=-out:
163 AR_OUT_OPTION=-out:
164 else
165 # The option used to specify the target .o,.a or .so file.
166 # When compiling, how to specify the to be created object file.
167 CC_OUT_OPTION='-o$(SPACE)'
168 # When linking, how to specify the to be created executable.
169 EXE_OUT_OPTION='-o$(SPACE)'
170 # When linking, how to specify the to be created dynamically linkable library.
171 LD_OUT_OPTION='-o$(SPACE)'
172 # When archiving, how to specify the to be create static archive for object files.
173 AR_OUT_OPTION='rcs$(SPACE)'
174 fi
175 AC_SUBST(CC_OUT_OPTION)
176 AC_SUBST(EXE_OUT_OPTION)
177 AC_SUBST(LD_OUT_OPTION)
178 AC_SUBST(AR_OUT_OPTION)
179
180 # On Windows, we need to set RC flags.
181 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
182 RC_FLAGS="-nologo -l0x409"
183 if test "x$VARIANT" = xOPT; then
184 RC_FLAGS="$RC_FLAGS -DNDEBUG"
185 fi
186
187 # The version variables used to create RC_FLAGS may be overridden
188 # in a custom configure script, or possibly the command line.
189 # Let those variables be expanded at make time in spec.gmk.
190 # The \$ are escaped to the shell, and the $(...) variables
191 # are evaluated by make.
192 RC_FLAGS="$RC_FLAGS \
193 -D\"JDK_BUILD_ID=\$(FULL_VERSION)\" \
194 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \
195 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
196 -D\"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
197 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
198 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
199 -D\"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
200 fi
201 AC_SUBST(RC_FLAGS)
202
203 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
204 # silence copyright notice and other headers.
205 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
206 fi
207 ])
208
209 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
210 [
211 ###############################################################################
212 #
213 # How to compile shared libraries.
214 #
215
216 if test "x$TOOLCHAIN_TYPE" = xgcc; then
217 PICFLAG="-fPIC"
218 C_FLAG_REORDER=''
219 CXX_FLAG_REORDER=''
220
221 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
222 # Linking is different on MacOSX
223 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
224 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
225 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
226 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
227 SET_SHARED_LIBRARY_MAPFILE=''
228 else
229 # Default works for linux, might work on other platforms as well.
230 SHARED_LIBRARY_FLAGS='-shared'
231 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
232 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"
233 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
234 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
235 fi
236 elif test "x$TOOLCHAIN_TYPE" = xclang; then
237 PICFLAG=''
238 C_FLAG_REORDER=''
239 CXX_FLAG_REORDER=''
240
241 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
242 # Linking is different on MacOSX
243 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
244 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
245 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
246 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
247 SET_SHARED_LIBRARY_MAPFILE=''
248 else
249 # Default works for linux, might work on other platforms as well.
250 SHARED_LIBRARY_FLAGS='-shared'
251 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
252 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"
253 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
254 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
255 fi
256 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
257 PICFLAG="-KPIC"
258 C_FLAG_REORDER='-xF'
259 CXX_FLAG_REORDER='-xF'
260 SHARED_LIBRARY_FLAGS="-G"
261 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1'
262 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
263 SET_SHARED_LIBRARY_NAME=''
264 SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
265 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
266 PICFLAG="-qpic=large"
267 C_FLAG_REORDER=''
268 CXX_FLAG_REORDER=''
269 SHARED_LIBRARY_FLAGS="-qmkshrobj"
270 SET_EXECUTABLE_ORIGIN=""
271 SET_SHARED_LIBRARY_ORIGIN=''
272 SET_SHARED_LIBRARY_NAME=''
273 SET_SHARED_LIBRARY_MAPFILE=''
274 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
275 PICFLAG=""
276 C_FLAG_REORDER=''
277 CXX_FLAG_REORDER=''
278 SHARED_LIBRARY_FLAGS="-LD"
279 SET_EXECUTABLE_ORIGIN=''
280 SET_SHARED_LIBRARY_ORIGIN=''
281 SET_SHARED_LIBRARY_NAME=''
282 SET_SHARED_LIBRARY_MAPFILE=''
283 fi
284
285 AC_SUBST(C_FLAG_REORDER)
286 AC_SUBST(CXX_FLAG_REORDER)
287 AC_SUBST(SET_EXECUTABLE_ORIGIN)
288 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
289 AC_SUBST(SET_SHARED_LIBRARY_NAME)
290 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
291
292 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
293 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
294 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
295 CFLAGS_JDKLIB_EXTRA='-xstrconst'
296 fi
297 # The (cross) compiler is now configured, we can now test capabilities
298 # of the target platform.
299 ])
300
301 # Documentation on common flags used for solstudio in HIGHEST.
302 #
303 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
304 # done with care, there are some assumptions below that need to
305 # be understood about the use of pointers, and IEEE behavior.
306 #
307 # -fns: Use non-standard floating point mode (not IEEE 754)
308 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
309 # -fsingle: Use single precision floating point with 'float'
310 # -xalias_level=basic: Assume memory references via basic pointer types do not alias
311 # (Source with excessing pointer casting and data access with mixed
312 # pointer types are not recommended)
313 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
314 # (If you expect perfect errno behavior, do not use this)
315 # -xdepend: Loop data dependency optimizations (need -xO3 or higher)
316 # -xrestrict: Pointer parameters to functions do not overlap
317 # (Similar to -xalias_level=basic usage, but less obvious sometimes.
318 # If you pass in multiple pointers to the same data, do not use this)
319 # -xlibmil: Inline some library routines
320 # (If you expect perfect errno behavior, do not use this)
321 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
322 # (If you expect perfect errno behavior, do not use this)
323 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
324
325 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
326 # Bug?
327 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
328 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
329 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
330 #fi
331
332 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
333 [
334
335 ###############################################################################
336 #
337 # Setup the opt flags for different compilers
338 # and different operating systems.
339 #
340
341 # FIXME: this was indirectly the old default, but just inherited.
342 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
343 # C_FLAG_DEPS="-MMD -MF"
344 # fi
345
346 # Generate make dependency files
347 if test "x$TOOLCHAIN_TYPE" = xgcc; then
348 C_FLAG_DEPS="-MMD -MF"
349 elif test "x$TOOLCHAIN_TYPE" = xclang; then
350 C_FLAG_DEPS="-MMD -MF"
351 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
352 C_FLAG_DEPS="-xMMD -xMF"
353 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
354 C_FLAG_DEPS="-qmakedep=gcc -MF"
355 fi
356 CXX_FLAG_DEPS="$C_FLAG_DEPS"
357 AC_SUBST(C_FLAG_DEPS)
358 AC_SUBST(CXX_FLAG_DEPS)
359
360 # Debug symbols
361 if test "x$TOOLCHAIN_TYPE" = xgcc; then
362 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
363 # reduce from default "-g2" option to save space
364 CFLAGS_DEBUG_SYMBOLS="-g1"
365 CXXFLAGS_DEBUG_SYMBOLS="-g1"
366 else
367 CFLAGS_DEBUG_SYMBOLS="-g"
368 CXXFLAGS_DEBUG_SYMBOLS="-g"
369 fi
370 elif test "x$TOOLCHAIN_TYPE" = xclang; then
371 CFLAGS_DEBUG_SYMBOLS="-g"
372 CXXFLAGS_DEBUG_SYMBOLS="-g"
373 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
374 CFLAGS_DEBUG_SYMBOLS="-g -xs"
375 # FIXME: likely a bug, this disables debug symbols rather than enables them
376 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
377 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
378 CFLAGS_DEBUG_SYMBOLS="-g"
379 CXXFLAGS_DEBUG_SYMBOLS="-g"
380 fi
381 AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
382 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
383
384 # bounds, memory and behavior checking options
385 if test "x$TOOLCHAIN_TYPE" = xgcc; then
386 case $DEBUG_LEVEL in
387 release )
388 # no adjustment
389 ;;
390 fastdebug )
391 # no adjustment
392 ;;
393 slowdebug )
394 # Add runtime stack smashing and undefined behavior checks.
395 # Not all versions of gcc support -fstack-protector
396 STACK_PROTECTOR_CFLAG="-fstack-protector-all"
397 FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""])
398
399 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
400 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
401 ;;
402 esac
403 fi
404
405 # Optimization levels
406 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
407 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
408
409 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
410 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
411 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
412 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
413 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
414 C_O_FLAG_DEBUG="-xregs=no%frameptr"
415 C_O_FLAG_NONE="-xregs=no%frameptr"
416 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
417 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
418 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
419 CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
420 CXX_O_FLAG_NONE="-xregs=no%frameptr"
421 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
422 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
423 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
424 fi
425 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
426 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
427 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
428 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
429 C_O_FLAG_DEBUG=""
430 C_O_FLAG_NONE=""
431 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
432 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
433 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
434 C_O_FLAG_DEBUG=""
435 CXX_O_FLAG_NONE=""
436 fi
437 else
438 # The remaining toolchains share opt flags between CC and CXX;
439 # setup for C and duplicate afterwards.
440 if test "x$TOOLCHAIN_TYPE" = xgcc; then
441 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
442 # On MacOSX we optimize for size, something
443 # we should do for all platforms?
444 C_O_FLAG_HIGHEST="-Os"
445 C_O_FLAG_HI="-Os"
446 C_O_FLAG_NORM="-Os"
447 else
448 C_O_FLAG_HIGHEST="-O3"
449 C_O_FLAG_HI="-O3"
450 C_O_FLAG_NORM="-O2"
451 fi
452 C_O_FLAG_DEBUG="-O0"
453 C_O_FLAG_NONE="-O0"
454 elif test "x$TOOLCHAIN_TYPE" = xclang; then
455 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
456 # On MacOSX we optimize for size, something
457 # we should do for all platforms?
458 C_O_FLAG_HIGHEST="-Os"
459 C_O_FLAG_HI="-Os"
460 C_O_FLAG_NORM="-Os"
461 else
462 C_O_FLAG_HIGHEST="-O3"
463 C_O_FLAG_HI="-O3"
464 C_O_FLAG_NORM="-O2"
465 fi
466 C_O_FLAG_DEBUG="-O0"
467 C_O_FLAG_NONE="-O0"
468 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
469 C_O_FLAG_HIGHEST="-O3"
470 C_O_FLAG_HI="-O3 -qstrict"
471 C_O_FLAG_NORM="-O2"
472 C_O_FLAG_DEBUG="-qnoopt"
473 C_O_FLAG_NONE="-qnoop"
474 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
475 C_O_FLAG_HIGHEST="-O2"
476 C_O_FLAG_HI="-O1"
477 C_O_FLAG_NORM="-O1"
478 C_O_FLAG_DEBUG="-Od"
479 C_O_FLAG_NONE="-Od"
480 fi
481 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
482 CXX_O_FLAG_HI="$C_O_FLAG_HI"
483 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
484 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
485 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
486 fi
487
488 # Adjust optimization flags according to debug level.
489 case $DEBUG_LEVEL in
490 release )
491 # no adjustment
492 ;;
493 fastdebug )
494 # Not quite so much optimization
495 C_O_FLAG_HI="$C_O_FLAG_NORM"
496 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
497 ;;
498 slowdebug )
499 # Disable optimization
500 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
501 C_O_FLAG_HI="$C_O_FLAG_DEBUG"
502 C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
503 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
504 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
505 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
506 ;;
507 esac
508
509 AC_SUBST(C_O_FLAG_HIGHEST)
510 AC_SUBST(C_O_FLAG_HI)
511 AC_SUBST(C_O_FLAG_NORM)
512 AC_SUBST(C_O_FLAG_DEBUG)
513 AC_SUBST(C_O_FLAG_NONE)
514 AC_SUBST(CXX_O_FLAG_HIGHEST)
515 AC_SUBST(CXX_O_FLAG_HI)
516 AC_SUBST(CXX_O_FLAG_NORM)
517 AC_SUBST(CXX_O_FLAG_DEBUG)
518 AC_SUBST(CXX_O_FLAG_NONE)
519 ])
520
521 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
522 [
523 # Special extras...
524 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
525 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
526 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
527 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
528 fi
529 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
530 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
531 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
532 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
533 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
534 fi
535
536 CFLAGS_JDK="${CFLAGS_JDK} $EXTRA_CFLAGS"
537 CXXFLAGS_JDK="${CXXFLAGS_JDK} $EXTRA_CXXFLAGS"
538 LDFLAGS_JDK="${LDFLAGS_JDK} $EXTRA_LDFLAGS"
539
540 ###############################################################################
541 #
542 # Now setup the CFLAGS and LDFLAGS for the JDK build.
543 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
544 #
545
546 # Setup compiler/platform specific flags into
547 # CFLAGS_JDK - C Compiler flags
548 # CXXFLAGS_JDK - C++ Compiler flags
549 # COMMON_CCXXFLAGS_JDK - common to C and C++
550 if test "x$TOOLCHAIN_TYPE" = xgcc; then
551 if test "x$OPENJDK_TARGET_CPU" = xx86; then
552 # Force compatibility with i586 on 32 bit intel platforms.
553 COMMON_CCXXFLAGS="${COMMON_CCXXFLAGS} -march=i586"
554 fi
555 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
556 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
557 case $OPENJDK_TARGET_CPU_ARCH in
558 arm )
559 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
560 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
561 ;;
562 ppc )
563 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
564 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
565 ;;
566 * )
567 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
568 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
569 ;;
570 esac
571 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
572 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
573 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
574 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
575 fi
576
577 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
578 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
579 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
580 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
581 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
582 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
583 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS $COMMON_CCXXFLAGS_JDK \
584 -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
585 -DWIN32_LEAN_AND_MEAN \
586 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
587 -D_WINSOCK_DEPRECATED_NO_WARNINGS \
588 -DWIN32 -DIAL"
589 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
590 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
591 else
592 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
593 fi
594 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to
595 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
596 # studio.
597 if test "x$TOOLCHAIN_VERSION" = "x2010"; then
598 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \
599 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
600 fi
601 fi
602
603 ###############################################################################
604
605 # Adjust flags according to debug level.
606 case $DEBUG_LEVEL in
607 fastdebug | slowdebug )
608 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
609 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
610 JAVAC_FLAGS="$JAVAC_FLAGS -g"
611 ;;
612 release )
613 ;;
614 * )
615 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
616 ;;
617 esac
618
619 # Setup LP64
620 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK $ADD_LP64"
621
622 # Set some common defines. These works for all compilers, but assume
623 # -D is universally accepted.
624
625 # Setup endianness
626 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
627 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
628 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
629 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
630 # Note: -Dmacro is the same as #define macro 1
631 # -Dmacro= is the same as #define macro
632 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
633 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
634 else
635 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
636 fi
637 else
638 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
639 # are defined in the system?
640 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
641 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
642 else
643 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
644 fi
645 fi
646
647 # Setup target OS define. Use OS target name but in upper case.
648 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
649 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
650
651 # Setup target CPU
652 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
653
654 # Setup debug/release defines
655 if test "x$DEBUG_LEVEL" = xrelease; then
656 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DNDEBUG"
657 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
658 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DTRIMMED"
659 fi
660 else
661 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DDEBUG"
662 fi
663
664 # Setup release name
665 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
666
667
668 # Set some additional per-OS defines.
669 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
670 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
671 elif test "x$OPENJDK_TARGET_OS" = xaix; then
672 # FIXME: PPC64 should not be here.
673 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DPPC64"
674 elif test "x$OPENJDK_TARGET_OS" = xbsd; then
675 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
676 fi
677
678 # Additional macosx handling
679 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
680 # Setting these parameters makes it an error to link to macosx APIs that are
681 # newer than the given OS version and makes the linked binaries compatible
682 # even if built on a newer version of the OS.
683 # The expected format is X.Y.Z
684 MACOSX_VERSION_MIN=10.7.0
685 AC_SUBST(MACOSX_VERSION_MIN)
686
687 # The macro takes the version with no dots, ex: 1070
688 # Let the flags variables get resolved in make for easier override on make
689 # command line.
690 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
691 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
692 fi
693
694 # Setup some hard coded includes
695 COMMON_CCXXFLAGS_JDK="$COMMON_CCXXFLAGS_JDK \
696 -I${JDK_TOPDIR}/src/java.base/share/native/include \
697 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS/native/include \
698 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/include"
699
700 # The shared libraries are compiled using the picflag.
701 CFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
702 CXXFLAGS_JDKLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA"
703
704 # Executable flags
705 CFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
706 CXXFLAGS_JDKEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
707
708 AC_SUBST(CFLAGS_JDKLIB)
709 AC_SUBST(CFLAGS_JDKEXE)
710 AC_SUBST(CXXFLAGS_JDKLIB)
711 AC_SUBST(CXXFLAGS_JDKEXE)
712
713 # Flags for compiling test libraries
714 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
715 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA"
716
717 # Flags for compiling test executables
718 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
719 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
720
721 AC_SUBST(CFLAGS_TESTLIB)
722 AC_SUBST(CFLAGS_TESTEXE)
723 AC_SUBST(CXXFLAGS_TESTLIB)
724 AC_SUBST(CXXFLAGS_TESTEXE)
725
726 # Setup LDFLAGS et al.
727 #
728
729 # Now this is odd. The JDK native libraries have to link against libjvm.so
730 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
731 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
732 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
733 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
734 # libraries will link to whatever is in memory. Yuck.
735 #
736 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
737 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
738 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
739 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
740 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
741 fi
742 # TODO: make -debug optional "--disable-full-debug-symbols"
743 LDFLAGS_JDK="$LDFLAGS_JDK -debug"
744 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
745 # If this is a --hash-style=gnu system, use --hash-style=both, why?
746 # We have previously set HAS_GNU_HASH if this is the case
747 if test -n "$HAS_GNU_HASH"; then
748 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both"
749 fi
750 if test "x$OPENJDK_TARGET_OS" = xlinux; then
751 # And since we now know that the linker is gnu, then add -z defs, to forbid
752 # undefined symbols in object files.
753 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
754 case $DEBUG_LEVEL in
755 release )
756 # tell linker to optimize libraries.
757 # Should this be supplied to the OSS linker as well?
758 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
759 ;;
760 slowdebug )
761 if test "x$HAS_LINKER_NOW" = "xtrue"; then
762 # do relocations at load
763 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_NOW_FLAG"
764 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
765 fi
766 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
767 # mark relocations read only
768 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
769 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
770 fi
771 ;;
772 fastdebug )
773 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
774 # mark relocations read only
775 LDFLAGS_JDK="$LDFLAGS_JDK $LINKER_RELRO_FLAG"
776 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
777 fi
778 ;;
779 * )
780 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
781 ;;
782 esac
783 fi
784 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
785 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
786 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
787 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
788 LDFLAGS_JDK="${LDFLAGS_JDK} -brtl -bnolibpath -liconv -bexpall -bernotok"
789 fi
790
791 # Customize LDFLAGS for executables
792
793 LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
794
795 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
796 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
797 LDFLAGS_STACK_SIZE=1048576
798 else
799 LDFLAGS_STACK_SIZE=327680
800 fi
801 LDFLAGS_JDKEXE="${LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
802 elif test "x$OPENJDK_TARGET_OS" = xlinux; then
803 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
804 fi
805
806 # Customize LDFLAGS for libs
807 LDFLAGS_JDKLIB="${LDFLAGS_JDK}"
808
809 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
810 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -dll -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base"
811 LDFLAGS_JDKLIB_SUFFIX=""
812 else
813 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS} \
814 -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}"
815
816 # On some platforms (mac) the linker warns about non existing -L dirs.
817 # Add server first if available. Linking aginst client does not always produce the same results.
818 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
819 # Default to server for other variants.
820 if test "x$JVM_VARIANT_SERVER" = xtrue; then
821 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server"
822 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
823 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/client"
824 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
825 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
826 else
827 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${OUTPUT_ROOT}/support/modules_libs/java.base${OPENJDK_TARGET_CPU_LIBDIR}/server"
828 fi
829
830 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
831 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
832 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
833 fi
834 fi
835
836 AC_SUBST(LDFLAGS_JDKLIB)
837 AC_SUBST(LDFLAGS_JDKEXE)
838 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
839 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
840 AC_SUBST(LDFLAGS_CXX_JDK)
841
842 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
843 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE"
844 LDFLAGS_TESTLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX"
845 LDFLAGS_TESTEXE_SUFFIX="$LDFLAGS_JDKEXE_SUFFIX"
846
847 AC_SUBST(LDFLAGS_TESTLIB)
848 AC_SUBST(LDFLAGS_TESTEXE)
849 AC_SUBST(LDFLAGS_TESTLIB_SUFFIX)
850 AC_SUBST(LDFLAGS_TESTEXE_SUFFIX)
851 ])
852
853 # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
854 # [RUN-IF-FALSE])
855 # ------------------------------------------------------------
856 # Check that the c and c++ compilers support an argument
857 AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS],
858 [
859 AC_MSG_CHECKING([if compiler supports "$1"])
860 supports=yes
861
862 saved_cflags="$CFLAGS"
863 CFLAGS="$CFLAGS $1"
864 AC_LANG_PUSH([C])
865 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
866 [supports=no])
867 AC_LANG_POP([C])
868 CFLAGS="$saved_cflags"
869
870 saved_cxxflags="$CXXFLAGS"
871 CXXFLAGS="$CXXFLAG $1"
872 AC_LANG_PUSH([C++])
873 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
874 [supports=no])
875 AC_LANG_POP([C++])
876 CXXFLAGS="$saved_cxxflags"
877
878 AC_MSG_RESULT([$supports])
879 if test "x$supports" = "xyes" ; then
880 m4_ifval([$2], [$2], [:])
881 else
882 m4_ifval([$3], [$3], [:])
883 fi
884 ])
885
886 # FLAGS_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
887 # [RUN-IF-FALSE])
888 # ------------------------------------------------------------
889 # Check that the linker support an argument
890 AC_DEFUN([FLAGS_LINKER_CHECK_ARGUMENTS],
891 [
892 AC_MSG_CHECKING([if linker supports "$1"])
893 supports=yes
894
895 saved_ldflags="$LDFLAGS"
896 LDFLAGS="$LDFLAGS $1"
897 AC_LANG_PUSH([C])
898 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
899 [], [supports=no])
900 AC_LANG_POP([C])
901 LDFLAGS="$saved_ldflags"
902
903 AC_MSG_RESULT([$supports])
904 if test "x$supports" = "xyes" ; then
905 m4_ifval([$2], [$2], [:])
906 else
907 m4_ifval([$3], [$3], [:])
908 fi
909 ])
910
911 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
912 [
913 # Some Zero and Shark settings.
914 # ZERO_ARCHFLAG tells the compiler which mode to build for
915 case "${OPENJDK_TARGET_CPU}" in
916 s390)
917 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
918 ;;
919 *)
920 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
921 esac
922 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
923 AC_SUBST(ZERO_ARCHFLAG)
924
925 # Check that the compiler supports -mX (or -qX on AIX) flags
926 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
927 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
928 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
929 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
930 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
931
932 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
933 [do not consider native warnings to be an error @<:@enabled@:>@])])
934
935 AC_MSG_CHECKING([if native warnings are errors])
936 if test "x$enable_warnings_as_errors" = "xyes"; then
937 AC_MSG_RESULT([yes (explicitely set)])
938 WARNINGS_AS_ERRORS=true
939 elif test "x$enable_warnings_as_errors" = "xno"; then
940 AC_MSG_RESULT([no])
941 WARNINGS_AS_ERRORS=false
942 elif test "x$enable_warnings_as_errors" = "x"; then
943 AC_MSG_RESULT([yes (default)])
944 WARNINGS_AS_ERRORS=true
945 else
946 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
947 fi
948 AC_SUBST(WARNINGS_AS_ERRORS)
949
950 case "${TOOLCHAIN_TYPE}" in
951 microsoft)
952 DISABLE_WARNING_PREFIX="-wd"
953 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
954 ;;
955 solstudio)
956 DISABLE_WARNING_PREFIX="-erroff="
957 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
958 ;;
959 gcc)
960 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
961 FLAGS_COMPILER_CHECK_ARGUMENTS([-Wno-this-is-a-warning-that-do-not-exist],
962 [GCC_CAN_DISABLE_WARNINGS=true],
963 [GCC_CAN_DISABLE_WARNINGS=false]
964 )
965 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
966 DISABLE_WARNING_PREFIX="-Wno-"
967 else
968 DISABLE_WARNING_PREFIX=
969 fi
970 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
971 ;;
972 clang)
973 DISABLE_WARNING_PREFIX="-Wno-"
974 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
975 ;;
976 esac
977 AC_SUBST(DISABLE_WARNING_PREFIX)
978 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
979 ])