1 #
2 # Copyright (c) 2011, 2016, 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 $EXTRA_LDFLAGS"
59
60 AC_SUBST(LEGACY_EXTRA_CFLAGS)
61 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
62 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
63
64 AC_SUBST(EXTRA_CFLAGS)
65 AC_SUBST(EXTRA_CXXFLAGS)
66 AC_SUBST(EXTRA_LDFLAGS)
67
68 # The global CFLAGS and LDLAGS variables are used by configure tests and
69 # should include the extra parameters
70 CFLAGS="$EXTRA_CFLAGS"
71 CXXFLAGS="$EXTRA_CXXFLAGS"
72 LDFLAGS="$EXTRA_LDFLAGS"
73 CPPFLAGS=""
74 ])
75
76 # Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so
77 # that configure can use them while detecting compilers.
78 # TOOLCHAIN_TYPE is available here.
79 # Param 1 - Optional prefix to all variables. (e.g BUILD_)
80 AC_DEFUN([FLAGS_SETUP_SYSROOT_FLAGS],
81 [
82 if test "x[$]$1SYSROOT" != "x"; then
83 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
84 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
85 # Solaris Studio does not have a concept of sysroot. Instead we must
86 # make sure the default include and lib dirs are appended to each
87 # compile and link command line. Must also add -I-xbuiltin to enable
88 # inlining of system functions and intrinsics.
89 $1SYSROOT_CFLAGS="-I-xbuiltin -I[$]$1SYSROOT/usr/include"
90 $1SYSROOT_LDFLAGS="-L[$]$1SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \
91 -L[$]$1SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR \
92 -L[$]$1SYSROOT/usr/ccs/lib$OPENJDK_TARGET_CPU_ISADIR"
93 fi
94 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
95 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
96 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT"
97 elif test "x$TOOLCHAIN_TYPE" = xclang; then
98 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT"
99 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT"
100 fi
101 # Propagate the sysroot args to hotspot
102 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS"
103 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS"
104 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS"
105 # The global CFLAGS and LDFLAGS variables need these for configure to function
106 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS"
107 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS"
108 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS"
109 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS"
110 fi
111
112 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
113 # We also need -iframework<path>/System/Library/Frameworks
114 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
115 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
116 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
117 # set this here so it doesn't have to be peppered throughout the forest
118 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
119 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
120 fi
121
122 AC_SUBST($1SYSROOT_CFLAGS)
123 AC_SUBST($1SYSROOT_LDFLAGS)
124 ])
125
126 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
127 [
128 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output
129 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler
130 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder
131 # commands produced by the link step (currently AIX only)
132 if test "x$TOOLCHAIN_TYPE" = xxlc; then
133 COMPILER_TARGET_BITS_FLAG="-q"
134 COMPILER_COMMAND_FILE_FLAG="-f"
135 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:"
136 else
137 COMPILER_TARGET_BITS_FLAG="-m"
138 COMPILER_COMMAND_FILE_FLAG="@"
139 COMPILER_BINDCMD_FILE_FLAG=""
140
141 # The solstudio linker does not support @-files.
142 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
143 COMPILER_COMMAND_FILE_FLAG=
144 fi
145
146 # Check if @file is supported by gcc
147 if test "x$TOOLCHAIN_TYPE" = xgcc; then
148 AC_MSG_CHECKING([if @file is supported by gcc])
149 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument
150 $ECHO "" "--version" > command.file
151 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
152 AC_MSG_RESULT(yes)
153 COMPILER_COMMAND_FILE_FLAG="@"
154 else
155 AC_MSG_RESULT(no)
156 COMPILER_COMMAND_FILE_FLAG=
157 fi
158 rm -rf command.file
159 fi
160 fi
161 AC_SUBST(COMPILER_TARGET_BITS_FLAG)
162 AC_SUBST(COMPILER_COMMAND_FILE_FLAG)
163 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG)
164
165 # FIXME: figure out if we should select AR flags depending on OS or toolchain.
166 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
167 ARFLAGS="-r"
168 elif test "x$OPENJDK_TARGET_OS" = xaix; then
169 ARFLAGS="-X64"
170 elif test "x$OPENJDK_TARGET_OS" = xwindows; then
171 # lib.exe is used as AR to create static libraries.
172 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
173 else
174 ARFLAGS=""
175 fi
176 AC_SUBST(ARFLAGS)
177
178 ## Setup strip.
179 # FIXME: should this really be per platform, or should it be per toolchain type?
180 # strip is not provided by clang or solstudio; so guessing platform makes most sense.
181 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
182 if test "x$OPENJDK_TARGET_OS" = xlinux; then
183 STRIPFLAGS="-g"
184 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
185 STRIPFLAGS="-x"
186 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
187 STRIPFLAGS="-S"
188 elif test "x$OPENJDK_TARGET_OS" = xaix; then
189 STRIPFLAGS="-X32_64"
190 fi
191
192 AC_SUBST(STRIPFLAGS)
193
194 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
195 CC_OUT_OPTION=-Fo
196 EXE_OUT_OPTION=-out:
197 LD_OUT_OPTION=-out:
198 AR_OUT_OPTION=-out:
199 else
200 # The option used to specify the target .o,.a or .so file.
201 # When compiling, how to specify the to be created object file.
202 CC_OUT_OPTION='-o$(SPACE)'
203 # When linking, how to specify the to be created executable.
204 EXE_OUT_OPTION='-o$(SPACE)'
205 # When linking, how to specify the to be created dynamically linkable library.
206 LD_OUT_OPTION='-o$(SPACE)'
207 # When archiving, how to specify the to be create static archive for object files.
208 AR_OUT_OPTION='rcs$(SPACE)'
209 fi
210 AC_SUBST(CC_OUT_OPTION)
211 AC_SUBST(EXE_OUT_OPTION)
212 AC_SUBST(LD_OUT_OPTION)
213 AC_SUBST(AR_OUT_OPTION)
214
215 # On Windows, we need to set RC flags.
216 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
217 RC_FLAGS="-nologo -l0x409"
218 JVM_RCFLAGS="-nologo"
219 if test "x$DEBUG_LEVEL" = xrelease; then
220 RC_FLAGS="$RC_FLAGS -DNDEBUG"
221 JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG"
222 fi
223
224 # The version variables used to create RC_FLAGS may be overridden
225 # in a custom configure script, or possibly the command line.
226 # Let those variables be expanded at make time in spec.gmk.
227 # The \$ are escaped to the shell, and the $(...) variables
228 # are evaluated by make.
229 RC_FLAGS="$RC_FLAGS \
230 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \
231 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \
232 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
233 -D\"JDK_VER=\$(VERSION_NUMBER)\" \
234 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
235 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \
236 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\""
237
238 JVM_RCFLAGS="$JVM_RCFLAGS \
239 -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \
240 -D\"HS_COMPANY=\$(COMPANY_NAME)\" \
241 -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \
242 -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \
243 -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \
244 -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \
245 -D\"HS_FNAME=jvm.dll\" \
246 -D\"HS_INTERNAL_NAME=jvm\""
247 fi
248 AC_SUBST(RC_FLAGS)
249 AC_SUBST(JVM_RCFLAGS)
250
251 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
252 # silence copyright notice and other headers.
253 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
254 fi
255 ])
256
257 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
258 [
259 ###############################################################################
260 #
261 # How to compile shared libraries.
262 #
263
264 if test "x$TOOLCHAIN_TYPE" = xgcc; then
265 PICFLAG="-fPIC"
266 C_FLAG_REORDER=''
267 CXX_FLAG_REORDER=''
268
269 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
270 # Linking is different on MacOSX
271 if test "x$STATIC_BUILD" = xtrue; then
272 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup'
273 else
274 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
275 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
276 fi
277 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.'
278 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
279 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
280 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
281 else
282 # Default works for linux, might work on other platforms as well.
283 SHARED_LIBRARY_FLAGS='-shared'
284 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1'
285 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
286 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
287 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
288 fi
289 elif test "x$TOOLCHAIN_TYPE" = xclang; then
290 C_FLAG_REORDER=''
291 CXX_FLAG_REORDER=''
292
293 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
294 # Linking is different on MacOSX
295 PICFLAG=''
296 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
297 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.'
298 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
299 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
300 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
301
302 if test "x$STATIC_BUILD" = xfalse; then
303 JVM_CFLAGS="$JVM_CFLAGS -fPIC"
304 fi
305 else
306 # Default works for linux, might work on other platforms as well.
307 PICFLAG='-fPIC'
308 SHARED_LIBRARY_FLAGS='-shared'
309 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1'
310 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
311 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
312 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
313 fi
314 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
315 PICFLAG="-KPIC"
316 C_FLAG_REORDER='-xF'
317 CXX_FLAG_REORDER='-xF'
318 SHARED_LIBRARY_FLAGS="-G"
319 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1'
320 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
321 SET_SHARED_LIBRARY_NAME='-h [$]1'
322 SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
323 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
324 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only
325 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker
326 # will have to patch this single instruction with a call to some out-of-order code which
327 # does the load from the TOC. This is of course slow. But in that case we also would have
328 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'.
329 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which
330 # can be patched directly by the linker and does not require a jump to out-of-order code.
331 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc'
332 # instead. This creates a distinct TOC for every compilation unit (and thus requires two
333 # loads for accessing a global variable). But there are rumors that this may be seen as a
334 # 'performance feature' because of improved code locality of the symbols used in a
335 # compilation unit.
336 PICFLAG="-qpic"
337 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
338 C_FLAG_REORDER=''
339 CXX_FLAG_REORDER=''
340 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry"
341 SET_EXECUTABLE_ORIGIN=""
342 SET_SHARED_LIBRARY_ORIGIN=''
343 SET_SHARED_LIBRARY_NAME=''
344 SET_SHARED_LIBRARY_MAPFILE=''
345 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
346 PICFLAG=""
347 C_FLAG_REORDER=''
348 CXX_FLAG_REORDER=''
349 SHARED_LIBRARY_FLAGS="-dll"
350 SET_EXECUTABLE_ORIGIN=''
351 SET_SHARED_LIBRARY_ORIGIN=''
352 SET_SHARED_LIBRARY_NAME=''
353 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1'
354 fi
355
356 AC_SUBST(C_FLAG_REORDER)
357 AC_SUBST(CXX_FLAG_REORDER)
358 AC_SUBST(SET_EXECUTABLE_ORIGIN)
359 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
360 AC_SUBST(SET_SHARED_LIBRARY_NAME)
361 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
362 AC_SUBST(SHARED_LIBRARY_FLAGS)
363
364 # The (cross) compiler is now configured, we can now test capabilities
365 # of the target platform.
366 ])
367
368 # Documentation on common flags used for solstudio in HIGHEST.
369 #
370 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
371 # done with care, there are some assumptions below that need to
372 # be understood about the use of pointers, and IEEE behavior.
373 #
374 # -fns: Use non-standard floating point mode (not IEEE 754)
375 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
376 # -fsingle: Use single precision floating point with 'float'
377 # -xalias_level=basic: Assume memory references via basic pointer types do not alias
378 # (Source with excessing pointer casting and data access with mixed
379 # pointer types are not recommended)
380 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
381 # (If you expect perfect errno behavior, do not use this)
382 # -xdepend: Loop data dependency optimizations (need -xO3 or higher)
383 # -xrestrict: Pointer parameters to functions do not overlap
384 # (Similar to -xalias_level=basic usage, but less obvious sometimes.
385 # If you pass in multiple pointers to the same data, do not use this)
386 # -xlibmil: Inline some library routines
387 # (If you expect perfect errno behavior, do not use this)
388 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
389 # (If you expect perfect errno behavior, do not use this)
390 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
391
392 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
393 # Bug?
394 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
395 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
396 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
397 #fi
398
399 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
400 [
401
402 ###############################################################################
403 #
404 # Setup the opt flags for different compilers
405 # and different operating systems.
406 #
407
408 # FIXME: this was indirectly the old default, but just inherited.
409 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
410 # C_FLAG_DEPS="-MMD -MF"
411 # fi
412
413 # Generate make dependency files
414 if test "x$TOOLCHAIN_TYPE" = xgcc; then
415 C_FLAG_DEPS="-MMD -MF"
416 elif test "x$TOOLCHAIN_TYPE" = xclang; then
417 C_FLAG_DEPS="-MMD -MF"
418 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
419 C_FLAG_DEPS="-xMMD -xMF"
420 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
421 C_FLAG_DEPS="-qmakedep=gcc -MF"
422 fi
423 CXX_FLAG_DEPS="$C_FLAG_DEPS"
424 AC_SUBST(C_FLAG_DEPS)
425 AC_SUBST(CXX_FLAG_DEPS)
426
427 # Debug symbols
428 if test "x$TOOLCHAIN_TYPE" = xgcc; then
429 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
430 # reduce from default "-g2" option to save space
431 CFLAGS_DEBUG_SYMBOLS="-g1"
432 CXXFLAGS_DEBUG_SYMBOLS="-g1"
433 else
434 CFLAGS_DEBUG_SYMBOLS="-g"
435 CXXFLAGS_DEBUG_SYMBOLS="-g"
436 fi
437 elif test "x$TOOLCHAIN_TYPE" = xclang; then
438 CFLAGS_DEBUG_SYMBOLS="-g"
439 CXXFLAGS_DEBUG_SYMBOLS="-g"
440 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
441 CFLAGS_DEBUG_SYMBOLS="-g -xs"
442 # -g0 enables debug symbols without disabling inlining.
443 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
444 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
445 CFLAGS_DEBUG_SYMBOLS="-g"
446 CXXFLAGS_DEBUG_SYMBOLS="-g"
447 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
448 CFLAGS_DEBUG_SYMBOLS="-Zi"
449 CXXFLAGS_DEBUG_SYMBOLS="-Zi"
450 fi
451 AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
452 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
453
454 # Debug symbols for JVM_CFLAGS
455 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
456 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs"
457 if test "x$DEBUG_LEVEL" = xslowdebug; then
458 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
459 else
460 # -g0 does not disable inlining, which -g does.
461 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0"
462 fi
463 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
464 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+"
465 else
466 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
467 fi
468 AC_SUBST(JVM_CFLAGS_SYMBOLS)
469
470 # bounds, memory and behavior checking options
471 if test "x$TOOLCHAIN_TYPE" = xgcc; then
472 case $DEBUG_LEVEL in
473 release )
474 # no adjustment
475 ;;
476 fastdebug )
477 # no adjustment
478 ;;
479 slowdebug )
480 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it
481 # get's added conditionally on whether we produce debug symbols or not.
482 # This is most likely not really correct.
483
484 # Add runtime stack smashing and undefined behavior checks.
485 # Not all versions of gcc support -fstack-protector
486 STACK_PROTECTOR_CFLAG="-fstack-protector-all"
487 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""])
488
489 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
490 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
491 if test "x$STACK_PROTECTOR_CFLAG" != x; then
492 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
493 fi
494 ;;
495 esac
496 fi
497
498 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
499 if test "x$DEBUG_LEVEL" != xrelease; then
500 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
501 JVM_CFLAGS="$JVM_CFLAGS -homeparams"
502 fi
503 fi
504 fi
505
506 # Optimization levels
507 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
508 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
509
510 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
511 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
512 C_O_FLAG_HIGHEST_JVM="-xO4"
513 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
514 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
515 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
516 C_O_FLAG_DEBUG="-xregs=no%frameptr"
517 C_O_FLAG_DEBUG_JVM=""
518 C_O_FLAG_NONE="-xregs=no%frameptr"
519 CXX_O_FLAG_HIGHEST_JVM="-xO4"
520 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
521 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
522 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
523 CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
524 CXX_O_FLAG_DEBUG_JVM=""
525 CXX_O_FLAG_NONE="-xregs=no%frameptr"
526 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
527 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
528 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
529 fi
530 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
531 C_O_FLAG_HIGHEST_JVM="-xO4"
532 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
533 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
534 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
535 C_O_FLAG_DEBUG=""
536 C_O_FLAG_DEBUG_JVM=""
537 C_O_FLAG_NONE=""
538 CXX_O_FLAG_HIGHEST_JVM="-xO4"
539 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
540 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
541 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
542 CXX_O_FLAG_DEBUG=""
543 CXX_O_FLAG_DEBUG_JVM=""
544 CXX_O_FLAG_NONE=""
545 fi
546 else
547 # The remaining toolchains share opt flags between CC and CXX;
548 # setup for C and duplicate afterwards.
549 if test "x$TOOLCHAIN_TYPE" = xgcc; then
550 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
551 # On MacOSX we optimize for size, something
552 # we should do for all platforms?
553 C_O_FLAG_HIGHEST_JVM="-Os"
554 C_O_FLAG_HIGHEST="-Os"
555 C_O_FLAG_HI="-Os"
556 C_O_FLAG_NORM="-Os"
557 C_O_FLAG_SIZE="-Os"
558 else
559 C_O_FLAG_HIGHEST_JVM="-O3"
560 C_O_FLAG_HIGHEST="-O3"
561 C_O_FLAG_HI="-O3"
562 C_O_FLAG_NORM="-O2"
563 C_O_FLAG_SIZE="-Os"
564 fi
565 C_O_FLAG_DEBUG="-O0"
566 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
567 C_O_FLAG_DEBUG_JVM=""
568 elif test "x$OPENJDK_TARGET_OS" = xlinux; then
569 C_O_FLAG_DEBUG_JVM="-O0"
570 fi
571 C_O_FLAG_NONE="-O0"
572 elif test "x$TOOLCHAIN_TYPE" = xclang; then
573 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
574 # On MacOSX we optimize for size, something
575 # we should do for all platforms?
576 C_O_FLAG_HIGHEST_JVM="-Os"
577 C_O_FLAG_HIGHEST="-Os"
578 C_O_FLAG_HI="-Os"
579 C_O_FLAG_NORM="-Os"
580 C_O_FLAG_SIZE="-Os"
581 else
582 C_O_FLAG_HIGHEST_JVM="-O3"
583 C_O_FLAG_HIGHEST="-O3"
584 C_O_FLAG_HI="-O3"
585 C_O_FLAG_NORM="-O2"
586 C_O_FLAG_SIZE="-Os"
587 fi
588 C_O_FLAG_DEBUG="-O0"
589 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
590 C_O_FLAG_DEBUG_JVM=""
591 elif test "x$OPENJDK_TARGET_OS" = xlinux; then
592 C_O_FLAG_DEBUG_JVM="-O0"
593 fi
594 C_O_FLAG_NONE="-O0"
595 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
596 C_O_FLAG_HIGHEST_JVM="-O3"
597 C_O_FLAG_HIGHEST="-O3"
598 C_O_FLAG_HI="-O3 -qstrict"
599 C_O_FLAG_NORM="-O2"
600 C_O_FLAG_DEBUG="-qnoopt"
601 # FIXME: Value below not verified.
602 C_O_FLAG_DEBUG_JVM=""
603 C_O_FLAG_NONE="-qnoopt"
604 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
605 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
606 C_O_FLAG_HIGHEST="-O2"
607 C_O_FLAG_HI="-O1"
608 C_O_FLAG_NORM="-O1"
609 C_O_FLAG_DEBUG="-Od"
610 C_O_FLAG_DEBUG_JVM=""
611 C_O_FLAG_NONE="-Od"
612 C_O_FLAG_SIZE="-Os"
613 fi
614 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM"
615 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
616 CXX_O_FLAG_HI="$C_O_FLAG_HI"
617 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
618 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
619 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM"
620 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
621 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE"
622 fi
623
624 # Adjust optimization flags according to debug level.
625 case $DEBUG_LEVEL in
626 release )
627 # no adjustment
628 ;;
629 fastdebug )
630 # Not quite so much optimization
631 C_O_FLAG_HI="$C_O_FLAG_NORM"
632 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
633 ;;
634 slowdebug )
635 # Disable optimization
636 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM"
637 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
638 C_O_FLAG_HI="$C_O_FLAG_DEBUG"
639 C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
640 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG"
641 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM"
642 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
643 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
644 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
645 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG"
646 ;;
647 esac
648
649 AC_SUBST(C_O_FLAG_HIGHEST_JVM)
650 AC_SUBST(C_O_FLAG_HIGHEST)
651 AC_SUBST(C_O_FLAG_HI)
652 AC_SUBST(C_O_FLAG_NORM)
653 AC_SUBST(C_O_FLAG_DEBUG)
654 AC_SUBST(C_O_FLAG_NONE)
655 AC_SUBST(C_O_FLAG_SIZE)
656 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM)
657 AC_SUBST(CXX_O_FLAG_HIGHEST)
658 AC_SUBST(CXX_O_FLAG_HI)
659 AC_SUBST(CXX_O_FLAG_NORM)
660 AC_SUBST(CXX_O_FLAG_DEBUG)
661 AC_SUBST(CXX_O_FLAG_NONE)
662 AC_SUBST(CXX_O_FLAG_SIZE)
663 ])
664
665
666 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
667 [
668
669 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET])
670 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_])
671
672 # Tests are only ever compiled for TARGET
673 # Flags for compiling test libraries
674 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
675 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA"
676
677 # Flags for compiling test executables
678 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
679 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
680
681 AC_SUBST(CFLAGS_TESTLIB)
682 AC_SUBST(CFLAGS_TESTEXE)
683 AC_SUBST(CXXFLAGS_TESTLIB)
684 AC_SUBST(CXXFLAGS_TESTEXE)
685
686 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
687 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE"
688
689 AC_SUBST(LDFLAGS_TESTLIB)
690 AC_SUBST(LDFLAGS_TESTEXE)
691
692 ])
693
694 ################################################################################
695 # $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
696 # conditionals against.
697 # $2 - Optional prefix for each variable defined.
698 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER],
699 [
700 # Special extras...
701 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
702 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
703 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
704 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
705 fi
706 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
707 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
708 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
709 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
710 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
711 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
712 $2CXXSTD_CXXFLAG="-std=gnu++98"
713 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror],
714 IF_FALSE: [$2CXXSTD_CXXFLAG=""])
715 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}"
716 AC_SUBST([$2CXXSTD_CXXFLAG])
717 fi
718 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
719 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
720 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
721 $2CFLAGS_JDKLIB_EXTRA='-xstrconst'
722 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
723 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
724 fi
725
726 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
727 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
728 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
729 $2CFLAGS_JDKLIB_EXTRA='-xstrconst'
730 fi
731
732 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}"
733 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}"
734 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}"
735
736 ###############################################################################
737 #
738 # Now setup the CFLAGS and LDFLAGS for the JDK build.
739 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
740 #
741
742 # Setup compiler/platform specific flags into
743 # $2CFLAGS_JDK - C Compiler flags
744 # $2CXXFLAGS_JDK - C++ Compiler flags
745 # $2COMMON_CCXXFLAGS_JDK - common to C and C++
746 if test "x$TOOLCHAIN_TYPE" = xgcc; then
747 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
748 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT"
749 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new"
750 if test "x$OPENJDK_$1_CPU" = xx86; then
751 # Force compatibility with i586 on 32 bit intel platforms.
752 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
753 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
754 fi
755 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
756 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
757 case $OPENJDK_$1_CPU_ARCH in
758 arm )
759 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
760 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
761 ;;
762 ppc )
763 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
764 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
765 ;;
766 * )
767 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
768 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
769 ;;
770 esac
771 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS)
772 elif test "x$TOOLCHAIN_TYPE" = xclang; then
773 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
774
775 # Restrict the debug information created by Clang to avoid
776 # too big object files and speed the build up a little bit
777 # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
778 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info"
779 if test "x$OPENJDK_$1_OS" = xlinux; then
780 if test "x$OPENJDK_$1_CPU" = xx86; then
781 # Force compatibility with i586 on 32 bit intel platforms.
782 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
783 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
784 fi
785 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized"
786 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
787 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
788 case $OPENJDK_$1_CPU_ARCH in
789 ppc )
790 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
791 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
792 ;;
793 * )
794 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
795 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
796 ;;
797 esac
798 fi
799 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
800 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS"
801 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
802 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then
803 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB"
804 fi
805
806 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
807 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
808 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
809 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS"
810 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
811 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
812 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
813 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \
814 -MD -Zc:wchar_t- -W3 -wd4800 \
815 -DWIN32_LEAN_AND_MEAN \
816 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
817 -D_WINSOCK_DEPRECATED_NO_WARNINGS \
818 -DWIN32 -DIAL"
819 if test "x$OPENJDK_$1_CPU" = xx86_64; then
820 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
821 else
822 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
823 fi
824 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to
825 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
826 # studio.
827 if test "x$TOOLCHAIN_VERSION" = "x2010"; then
828 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
829 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS"
830 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS"
831 fi
832 fi
833
834 ###############################################################################
835
836 # Adjust flags according to debug level.
837 case $DEBUG_LEVEL in
838 fastdebug | slowdebug )
839 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
840 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
841 JAVAC_FLAGS="$JAVAC_FLAGS -g"
842 ;;
843 release )
844 ;;
845 * )
846 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
847 ;;
848 esac
849
850 # Set some common defines. These works for all compilers, but assume
851 # -D is universally accepted.
852
853 # Setup endianness
854 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
855 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
856 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
857 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
858 # Note: -Dmacro is the same as #define macro 1
859 # -Dmacro= is the same as #define macro
860 if test "x$OPENJDK_$1_OS" = xsolaris; then
861 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
862 else
863 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
864 fi
865 else
866 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
867 # are defined in the system?
868 if test "x$OPENJDK_$1_OS" = xsolaris; then
869 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
870 else
871 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
872 fi
873 fi
874
875 # Setup target OS define. Use OS target name but in upper case.
876 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
877 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE"
878
879 # Setup target CPU
880 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
881 $OPENJDK_$1_ADD_LP64 \
882 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY"
883
884 # Setup debug/release defines
885 if test "x$DEBUG_LEVEL" = xrelease; then
886 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG"
887 if test "x$OPENJDK_$1_OS" = xsolaris; then
888 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED"
889 fi
890 else
891 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG"
892 fi
893
894 # Set some additional per-OS defines.
895 if test "x$OPENJDK_$1_OS" = xlinux; then
896 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX"
897 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe -fPIC -fno-rtti -fno-exceptions \
898 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer"
899 elif test "x$OPENJDK_$1_OS" = xsolaris; then
900 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS"
901 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \
902 -D_Crun_inline_placement -library=%none -KPIC -mt -xwe -features=no%except"
903 elif test "x$OPENJDK_$1_OS" = xmacosx; then
904 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
905 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE"
906 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
907 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \
908 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \
909 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \
910 -fno-omit-frame-pointer"
911 elif test "x$OPENJDK_$1_OS" = xaix; then
912 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX"
913 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
914 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced -qhot=level=1 -qinline \
915 -qinlglue -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
916 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
917 elif test "x$OPENJDK_$1_OS" = xbsd; then
918 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
919 elif test "x$OPENJDK_$1_OS" = xwindows; then
920 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_"
921 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP"
922 fi
923
924 # Set some additional per-CPU defines.
925 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then
926 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32"
927 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
928 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc"
929 elif test "x$OPENJDK_$1_CPU" = xppc64; then
930 if test "x$OPENJDK_$1_OS" = xlinux; then
931 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
932 # fixes `relocation truncated to fit' error for gcc 4.1.
933 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc"
934 # Use ppc64 instructions, but schedule for power5
935 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5"
936 elif test "x$OPENJDK_$1_OS" = xaix; then
937 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64"
938 fi
939 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
940 if test "x$OPENJDK_$1_OS" = xlinux; then
941 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
942 # Little endian machine uses ELFv2 ABI.
943 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2"
944 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
945 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power7 -mtune=power8"
946 fi
947 fi
948
949 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
950 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN"
951 fi
952
953 if test "x$OPENJDK_$1_CPU_BITS" = x64; then
954 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then
955 # Solaris does not have _LP64=1 in the old build.
956 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
957 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1"
958 fi
959 fi
960
961 # Set $2JVM_CFLAGS warning handling
962 if test "x$OPENJDK_$1_OS" = xlinux; then
963 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \
964 -Wunused-value -Woverloaded-virtual"
965
966 if test "x$TOOLCHAIN_TYPE" = xgcc; then
967 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8],
968 IF_AT_LEAST: [
969 # These flags either do not work or give spurious warnings prior to gcc 4.8.
970 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized"
971 ]
972 )
973 fi
974 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
975 # Non-zero builds have stricter warnings
976 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2"
977 else
978 if test "x$TOOLCHAIN_TYPE" = xclang; then
979 # Some versions of llvm do not like -Wundef
980 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef"
981 fi
982 fi
983 elif test "x$OPENJDK_$1_OS" = xmacosx; then
984 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \
985 -Wsign-compare -Wundef -Wunused-function -Wformat=2"
986 fi
987
988 # Additional macosx handling
989 if test "x$OPENJDK_$1_OS" = xmacosx; then
990 # Setting these parameters makes it an error to link to macosx APIs that are
991 # newer than the given OS version and makes the linked binaries compatible
992 # even if built on a newer version of the OS.
993 # The expected format is X.Y.Z
994 MACOSX_VERSION_MIN=10.7.0
995 AC_SUBST(MACOSX_VERSION_MIN)
996
997 # The macro takes the version with no dots, ex: 1070
998 # Let the flags variables get resolved in make for easier override on make
999 # command line.
1000 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
1001 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
1002 fi
1003
1004 # Setup some hard coded includes
1005 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
1006 -I${JDK_TOPDIR}/src/java.base/share/native/include \
1007 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \
1008 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \
1009 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \
1010 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava"
1011
1012 # The shared libraries are compiled using the picflag.
1013 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1014 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA"
1015 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1016 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA"
1017
1018 # Executable flags
1019 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK"
1020 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK"
1021
1022 AC_SUBST($2CFLAGS_JDKLIB)
1023 AC_SUBST($2CFLAGS_JDKEXE)
1024 AC_SUBST($2CXXFLAGS_JDKLIB)
1025 AC_SUBST($2CXXFLAGS_JDKEXE)
1026
1027 # Setup LDFLAGS et al.
1028 #
1029
1030 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1031 LDFLAGS_MICROSOFT="-nologo -opt:ref"
1032 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no"
1033 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000"
1034 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then
1035 LDFLAGS_SAFESH="-safeseh"
1036 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH"
1037 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH"
1038 # NOTE: Old build added -machine. Probably not needed.
1039 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386"
1040 else
1041 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64"
1042 fi
1043 elif test "x$TOOLCHAIN_TYPE" = xclang; then
1044 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC"
1045 if test "x$OPENJDK_$1_OS" = xmacosx; then
1046 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
1047 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1048 fi
1049 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
1050 # If this is a --hash-style=gnu system, use --hash-style=both, why?
1051 # We have previously set HAS_GNU_HASH if this is the case
1052 if test -n "$HAS_GNU_HASH"; then
1053 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both"
1054 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE"
1055 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE"
1056 fi
1057 if test "x$OPENJDK_$1_OS" = xmacosx; then
1058 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1059 fi
1060 if test "x$OPENJDK_$1_OS" = xlinux; then
1061 # And since we now know that the linker is gnu, then add -z defs, to forbid
1062 # undefined symbols in object files.
1063 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs"
1064 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM"
1065 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM"
1066 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack"
1067 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK"
1068 if test "x$OPENJDK_$1_CPU" = xx86; then
1069 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586"
1070 fi
1071 case $DEBUG_LEVEL in
1072 release )
1073 # tell linker to optimize libraries.
1074 # Should this be supplied to the OSS linker as well?
1075 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1"
1076 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release"
1077 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release"
1078 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1079 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1080 fi
1081 ;;
1082 slowdebug )
1083 # Hotspot always let the linker optimize
1084 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1085 if test "x$HAS_LINKER_NOW" = "xtrue"; then
1086 # do relocations at load
1087 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG"
1088 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
1089 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG"
1090 fi
1091 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1092 # mark relocations read only
1093 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1094 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1095 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1096 fi
1097 ;;
1098 fastdebug )
1099 # Hotspot always let the linker optimize
1100 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1101 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1102 # mark relocations read only
1103 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1104 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1105 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1106 fi
1107 ;;
1108 * )
1109 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
1110 ;;
1111 esac
1112 fi
1113 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1114 LDFLAGS_SOLSTUDIO="-Wl,-z,defs"
1115 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -xildoff -ztext"
1116 LDFLAGS_CXX_SOLSTUDIO="-norunpath"
1117 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib"
1118 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion"
1119 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
1120 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc"
1121 fi
1122 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
1123 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok"
1124 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC"
1125 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC"
1126 fi
1127
1128 # Customize LDFLAGS for executables
1129
1130 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}"
1131
1132 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1133 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then
1134 LDFLAGS_STACK_SIZE=1048576
1135 else
1136 LDFLAGS_STACK_SIZE=327680
1137 fi
1138 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
1139 elif test "x$OPENJDK_$1_OS" = xlinux; then
1140 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined"
1141 fi
1142
1143 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}"
1144
1145 # Customize LDFLAGS for libs
1146 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}"
1147
1148 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}"
1149 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1150 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \
1151 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base"
1152 $2JDKLIB_LIBS=""
1153 else
1154 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \
1155 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)"
1156
1157 if test "x$1" = "xTARGET"; then
1158 # On some platforms (mac) the linker warns about non existing -L dirs.
1159 # Add server first if available. Linking aginst client does not always produce the same results.
1160 # Only add client/minimal dir if client/minimal is being built.
1161 # Default to server for other variants.
1162 if HOTSPOT_CHECK_JVM_VARIANT(server); then
1163 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1164 elif HOTSPOT_CHECK_JVM_VARIANT(client); then
1165 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/client"
1166 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then
1167 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/minimal"
1168 else
1169 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1170 fi
1171 elif test "x$1" = "xBUILD"; then
1172 # When building a buildjdk, it's always only the server variant
1173 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} \
1174 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1175 fi
1176
1177 $2JDKLIB_LIBS="-ljava -ljvm"
1178 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1179 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc"
1180 fi
1181
1182 fi
1183
1184 # Set $2JVM_LIBS (per os)
1185 if test "x$OPENJDK_$1_OS" = xlinux; then
1186 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread"
1187 elif test "x$OPENJDK_$1_OS" = xsolaris; then
1188 # FIXME: This hard-coded path is not really proper.
1189 if test "x$OPENJDK_$1_CPU" = xx86_64; then
1190 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1"
1191 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
1192 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1"
1193 fi
1194 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \
1195 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt"
1196 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1197 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1198 elif test "x$OPENJDK_$1_OS" = xaix; then
1199 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread"
1200 elif test "x$OPENJDK_$1_OS" = xbsd; then
1201 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1202 elif test "x$OPENJDK_$1_OS" = xwindows; then
1203 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
1204 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
1205 wsock32.lib winmm.lib version.lib psapi.lib"
1206 fi
1207
1208 # Set $2JVM_ASFLAGS
1209 if test "x$OPENJDK_$1_OS" = xlinux; then
1210 if test "x$OPENJDK_$1_CPU" = xx86; then
1211 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586"
1212 fi
1213 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1214 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
1215 fi
1216
1217 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}"
1218
1219 AC_SUBST($2LDFLAGS_JDKLIB)
1220 AC_SUBST($2LDFLAGS_JDKEXE)
1221 AC_SUBST($2JDKLIB_LIBS)
1222 AC_SUBST($2JDKEXE_LIBS)
1223 AC_SUBST($2LDFLAGS_CXX_JDK)
1224 AC_SUBST($2LDFLAGS_HASH_STYLE)
1225
1226 AC_SUBST($2JVM_CFLAGS)
1227 AC_SUBST($2JVM_LDFLAGS)
1228 AC_SUBST($2JVM_ASFLAGS)
1229 AC_SUBST($2JVM_LIBS)
1230
1231 ])
1232
1233 # FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1234 # IF_FALSE: [RUN-IF-FALSE])
1235 # ------------------------------------------------------------
1236 # Check that the C compiler supports an argument
1237 BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS],
1238 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1239 [
1240 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"])
1241 supports=yes
1242
1243 saved_cflags="$CFLAGS"
1244 CFLAGS="$CFLAGS ARG_ARGUMENT"
1245 AC_LANG_PUSH([C])
1246 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1247 [supports=no])
1248 AC_LANG_POP([C])
1249 CFLAGS="$saved_cflags"
1250
1251 AC_MSG_RESULT([$supports])
1252 if test "x$supports" = "xyes" ; then
1253 :
1254 ARG_IF_TRUE
1255 else
1256 :
1257 ARG_IF_FALSE
1258 fi
1259 ])
1260
1261 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1262 # IF_FALSE: [RUN-IF-FALSE])
1263 # ------------------------------------------------------------
1264 # Check that the C++ compiler supports an argument
1265 BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],
1266 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1267 [
1268 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"])
1269 supports=yes
1270
1271 saved_cxxflags="$CXXFLAGS"
1272 CXXFLAGS="$CXXFLAG ARG_ARGUMENT"
1273 AC_LANG_PUSH([C++])
1274 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1275 [supports=no])
1276 AC_LANG_POP([C++])
1277 CXXFLAGS="$saved_cxxflags"
1278
1279 AC_MSG_RESULT([$supports])
1280 if test "x$supports" = "xyes" ; then
1281 :
1282 ARG_IF_TRUE
1283 else
1284 :
1285 ARG_IF_FALSE
1286 fi
1287 ])
1288
1289 # FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1290 # IF_FALSE: [RUN-IF-FALSE])
1291 # ------------------------------------------------------------
1292 # Check that the C and C++ compilers support an argument
1293 BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS],
1294 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1295 [
1296 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1297 IF_TRUE: [C_COMP_SUPPORTS="yes"],
1298 IF_FALSE: [C_COMP_SUPPORTS="no"])
1299 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1300 IF_TRUE: [CXX_COMP_SUPPORTS="yes"],
1301 IF_FALSE: [CXX_COMP_SUPPORTS="no"])
1302
1303 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"])
1304 supports=no
1305 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
1306
1307 AC_MSG_RESULT([$supports])
1308 if test "x$supports" = "xyes" ; then
1309 :
1310 ARG_IF_TRUE
1311 else
1312 :
1313 ARG_IF_FALSE
1314 fi
1315 ])
1316
1317 # FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1318 # IF_FALSE: [RUN-IF-FALSE])
1319 # ------------------------------------------------------------
1320 # Check that the linker support an argument
1321 BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS],
1322 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1323 [
1324 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"])
1325 supports=yes
1326
1327 saved_ldflags="$LDFLAGS"
1328 LDFLAGS="$LDFLAGS ARG_ARGUMENT"
1329 AC_LANG_PUSH([C])
1330 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
1331 [], [supports=no])
1332 AC_LANG_POP([C])
1333 LDFLAGS="$saved_ldflags"
1334
1335 AC_MSG_RESULT([$supports])
1336 if test "x$supports" = "xyes" ; then
1337 :
1338 ARG_IF_TRUE
1339 else
1340 :
1341 ARG_IF_FALSE
1342 fi
1343 ])
1344
1345 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
1346 [
1347 # Some Zero and Shark settings.
1348 # ZERO_ARCHFLAG tells the compiler which mode to build for
1349 case "${OPENJDK_TARGET_CPU}" in
1350 s390)
1351 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
1352 ;;
1353 *)
1354 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
1355 esac
1356 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""])
1357 AC_SUBST(ZERO_ARCHFLAG)
1358
1359 # Check that the compiler supports -mX (or -qX on AIX) flags
1360 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1361 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
1362 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1363 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1364 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1365
1366 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
1367 [do not consider native warnings to be an error @<:@enabled@:>@])])
1368
1369 AC_MSG_CHECKING([if native warnings are errors])
1370 if test "x$enable_warnings_as_errors" = "xyes"; then
1371 AC_MSG_RESULT([yes (explicitely set)])
1372 WARNINGS_AS_ERRORS=true
1373 elif test "x$enable_warnings_as_errors" = "xno"; then
1374 AC_MSG_RESULT([no])
1375 WARNINGS_AS_ERRORS=false
1376 elif test "x$enable_warnings_as_errors" = "x"; then
1377 AC_MSG_RESULT([yes (default)])
1378 WARNINGS_AS_ERRORS=true
1379 else
1380 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
1381 fi
1382
1383 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then
1384 # Set legacy hotspot variable
1385 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS="
1386 else
1387 HOTSPOT_SET_WARNINGS_AS_ERRORS=""
1388 fi
1389
1390 AC_SUBST(WARNINGS_AS_ERRORS)
1391 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS)
1392
1393 case "${TOOLCHAIN_TYPE}" in
1394 microsoft)
1395 DISABLE_WARNING_PREFIX="-wd"
1396 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
1397 ;;
1398 solstudio)
1399 DISABLE_WARNING_PREFIX="-erroff="
1400 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
1401 ;;
1402 gcc)
1403 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
1404 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1405 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true],
1406 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false]
1407 )
1408 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1409 DISABLE_WARNING_PREFIX="-Wno-"
1410 else
1411 DISABLE_WARNING_PREFIX=
1412 fi
1413 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1414 # Repeate the check for the BUILD_CC
1415 CC_OLD="$CC"
1416 CC="$BUILD_CC"
1417 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1418 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
1419 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
1420 )
1421 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1422 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
1423 else
1424 BUILD_CC_DISABLE_WARNING_PREFIX=
1425 fi
1426 CC="$CC_OLD"
1427 ;;
1428 clang)
1429 DISABLE_WARNING_PREFIX="-Wno-"
1430 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1431 ;;
1432 xlc)
1433 DISABLE_WARNING_PREFIX="-qsuppress="
1434 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
1435 ;;
1436 esac
1437 AC_SUBST(DISABLE_WARNING_PREFIX)
1438 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
1439 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
1440 ])
1441
1442 AC_DEFUN_ONCE([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
1443 [
1444 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
1445 # runs afoul of the more aggressive versions of these optimisations.
1446 # Notably, value range propagation now assumes that the this pointer of C++
1447 # member functions is non-null.
1448 NO_NULL_POINTER_CHECK_CFLAG="-fno-delete-null-pointer-checks"
1449 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_NULL_POINTER_CHECK_CFLAG -Werror],
1450 IF_FALSE: [NO_NULL_POINTER_CHECK_CFLAG=""])
1451 AC_SUBST([NO_NULL_POINTER_CHECK_CFLAG])
1452 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
1453 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
1454 IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
1455 CFLAGS_JDK="${CFLAGS_JDK} ${NO_NULL_POINTER_CHECK_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
1456 AC_SUBST([NO_LIFETIME_DSE_CFLAG])
1457 ])