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 fi
93 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
94 $1SYSROOT_CFLAGS="--sysroot=[$]$1SYSROOT"
95 $1SYSROOT_LDFLAGS="--sysroot=[$]$1SYSROOT"
96 elif test "x$TOOLCHAIN_TYPE" = xclang; then
97 $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT"
98 $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT"
99 fi
100 # Propagate the sysroot args to hotspot
101 $1LEGACY_EXTRA_CFLAGS="[$]$1LEGACY_EXTRA_CFLAGS [$]$1SYSROOT_CFLAGS"
102 $1LEGACY_EXTRA_CXXFLAGS="[$]$1LEGACY_EXTRA_CXXFLAGS [$]$1SYSROOT_CFLAGS"
103 $1LEGACY_EXTRA_LDFLAGS="[$]$1LEGACY_EXTRA_LDFLAGS [$]$1SYSROOT_LDFLAGS"
104 # The global CFLAGS and LDFLAGS variables need these for configure to function
105 $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS"
106 $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS"
107 $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS"
108 $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS"
109 fi
110
111 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
112 # We also need -iframework<path>/System/Library/Frameworks
113 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
114 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -iframework [$]$1SYSROOT/System/Library/Frameworks"
115 # These always need to be set, or we can't find the frameworks embedded in JavaVM.framework
116 # set this here so it doesn't have to be peppered throughout the forest
117 $1SYSROOT_CFLAGS="[$]$1SYSROOT_CFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
118 $1SYSROOT_LDFLAGS="[$]$1SYSROOT_LDFLAGS -F [$]$1SYSROOT/System/Library/Frameworks/JavaVM.framework/Frameworks"
119 fi
120
121 AC_SUBST($1SYSROOT_CFLAGS)
122 AC_SUBST($1SYSROOT_LDFLAGS)
123 ])
124
125 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
126 [
127 # COMPILER_TARGET_BITS_FLAG : option for selecting 32- or 64-bit output
128 # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler
129 # COMPILER_BINDCMD_FILE_FLAG : option for specifying a file which saves the binder
130 # commands produced by the link step (currently AIX only)
131 if test "x$TOOLCHAIN_TYPE" = xxlc; then
132 COMPILER_TARGET_BITS_FLAG="-q"
133 COMPILER_COMMAND_FILE_FLAG="-f"
134 COMPILER_BINDCMD_FILE_FLAG="-bloadmap:"
135 else
136 COMPILER_TARGET_BITS_FLAG="-m"
137 COMPILER_COMMAND_FILE_FLAG="@"
138 COMPILER_BINDCMD_FILE_FLAG=""
139
140 # The solstudio linker does not support @-files.
141 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
142 COMPILER_COMMAND_FILE_FLAG=
143 fi
144
145 # Check if @file is supported by gcc
146 if test "x$TOOLCHAIN_TYPE" = xgcc; then
147 AC_MSG_CHECKING([if @file is supported by gcc])
148 # Extra emtpy "" to prevent ECHO from interpreting '--version' as argument
149 $ECHO "" "--version" > command.file
150 if $CXX @command.file 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
151 AC_MSG_RESULT(yes)
152 COMPILER_COMMAND_FILE_FLAG="@"
153 else
154 AC_MSG_RESULT(no)
155 COMPILER_COMMAND_FILE_FLAG=
156 fi
157 $RM command.file
158 fi
159 fi
160 AC_SUBST(COMPILER_TARGET_BITS_FLAG)
161 AC_SUBST(COMPILER_COMMAND_FILE_FLAG)
162 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG)
163
164 # FIXME: figure out if we should select AR flags depending on OS or toolchain.
165 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
166 ARFLAGS="-r"
167 elif test "x$OPENJDK_TARGET_OS" = xaix; then
168 ARFLAGS="-X64"
169 elif test "x$OPENJDK_TARGET_OS" = xwindows; then
170 # lib.exe is used as AR to create static libraries.
171 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
172 else
173 ARFLAGS=""
174 fi
175 AC_SUBST(ARFLAGS)
176
177 ## Setup strip.
178 # FIXME: should this really be per platform, or should it be per toolchain type?
179 # strip is not provided by clang or solstudio; so guessing platform makes most sense.
180 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
181 if test "x$OPENJDK_TARGET_OS" = xlinux; then
182 STRIPFLAGS="-g"
183 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
184 STRIPFLAGS="-x"
185 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
186 STRIPFLAGS="-S"
187 elif test "x$OPENJDK_TARGET_OS" = xaix; then
188 STRIPFLAGS="-X32_64"
189 fi
190
191 AC_SUBST(STRIPFLAGS)
192
193 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
194 CC_OUT_OPTION=-Fo
195 EXE_OUT_OPTION=-out:
196 LD_OUT_OPTION=-out:
197 AR_OUT_OPTION=-out:
198 else
199 # The option used to specify the target .o,.a or .so file.
200 # When compiling, how to specify the to be created object file.
201 CC_OUT_OPTION='-o$(SPACE)'
202 # When linking, how to specify the to be created executable.
203 EXE_OUT_OPTION='-o$(SPACE)'
204 # When linking, how to specify the to be created dynamically linkable library.
205 LD_OUT_OPTION='-o$(SPACE)'
206 # When archiving, how to specify the to be create static archive for object files.
207 AR_OUT_OPTION='rcs$(SPACE)'
208 fi
209 AC_SUBST(CC_OUT_OPTION)
210 AC_SUBST(EXE_OUT_OPTION)
211 AC_SUBST(LD_OUT_OPTION)
212 AC_SUBST(AR_OUT_OPTION)
213
214 # On Windows, we need to set RC flags.
215 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
216 RC_FLAGS="-nologo -l0x409"
217 JVM_RCFLAGS="-nologo"
218 if test "x$DEBUG_LEVEL" = xrelease; then
219 RC_FLAGS="$RC_FLAGS -DNDEBUG"
220 JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG"
221 fi
222
223 # The version variables used to create RC_FLAGS may be overridden
224 # in a custom configure script, or possibly the command line.
225 # Let those variables be expanded at make time in spec.gmk.
226 # The \$ are escaped to the shell, and the $(...) variables
227 # are evaluated by make.
228 RC_FLAGS="$RC_FLAGS \
229 -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \
230 -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \
231 -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
232 -D\"JDK_VER=\$(VERSION_NUMBER)\" \
233 -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
234 -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_MAJOR)\" \
235 -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\""
236
237 JVM_RCFLAGS="$JVM_RCFLAGS \
238 -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \
239 -D\"HS_COMPANY=\$(COMPANY_NAME)\" \
240 -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \
241 -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \
242 -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \
243 -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \
244 -D\"HS_FNAME=jvm.dll\" \
245 -D\"HS_INTERNAL_NAME=jvm\""
246 fi
247 AC_SUBST(RC_FLAGS)
248 AC_SUBST(JVM_RCFLAGS)
249
250 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
251 # silence copyright notice and other headers.
252 COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
253 fi
254 ])
255
256 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
257 [
258 ###############################################################################
259 #
260 # How to compile shared libraries.
261 #
262
263 if test "x$TOOLCHAIN_TYPE" = xgcc; then
264 PICFLAG="-fPIC"
265 C_FLAG_REORDER=''
266 CXX_FLAG_REORDER=''
267
268 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
269 # Linking is different on MacOSX
270 if test "x$STATIC_BUILD" = xtrue; then
271 SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup'
272 else
273 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
274 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
275 fi
276 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.'
277 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
278 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
279 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
280 else
281 # Default works for linux, might work on other platforms as well.
282 SHARED_LIBRARY_FLAGS='-shared'
283 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
284 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
285 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
286 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
287 fi
288 elif test "x$TOOLCHAIN_TYPE" = xclang; then
289 C_FLAG_REORDER=''
290 CXX_FLAG_REORDER=''
291
292 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
293 # Linking is different on MacOSX
294 PICFLAG=''
295 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
296 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path/.'
297 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
298 SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
299 SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
300
301 if test "x$STATIC_BUILD" = xfalse; then
302 JVM_CFLAGS="$JVM_CFLAGS -fPIC"
303 fi
304 else
305 # Default works for linux, might work on other platforms as well.
306 PICFLAG='-fPIC'
307 SHARED_LIBRARY_FLAGS='-shared'
308 SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
309 SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
310 SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
311 SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
312 fi
313 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
314 PICFLAG="-KPIC"
315 C_FLAG_REORDER='-xF'
316 CXX_FLAG_REORDER='-xF'
317 SHARED_LIBRARY_FLAGS="-G"
318 SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1'
319 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
320 SET_SHARED_LIBRARY_NAME='-h [$]1'
321 SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
322 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
323 # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only
324 # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker
325 # will have to patch this single instruction with a call to some out-of-order code which
326 # does the load from the TOC. This is of course slow. But in that case we also would have
327 # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'.
328 # With 'qpic=large' the compiler will by default generate a two-instruction sequence which
329 # can be patched directly by the linker and does not require a jump to out-of-order code.
330 # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc'
331 # instead. This creates a distinct TOC for every compilation unit (and thus requires two
332 # loads for accessing a global variable). But there are rumors that this may be seen as a
333 # 'performance feature' because of improved code locality of the symbols used in a
334 # compilation unit.
335 PICFLAG="-qpic"
336 JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
337 C_FLAG_REORDER=''
338 CXX_FLAG_REORDER=''
339 SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry"
340 SET_EXECUTABLE_ORIGIN=""
341 SET_SHARED_LIBRARY_ORIGIN=''
342 SET_SHARED_LIBRARY_NAME=''
343 SET_SHARED_LIBRARY_MAPFILE=''
344 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
345 PICFLAG=""
346 C_FLAG_REORDER=''
347 CXX_FLAG_REORDER=''
348 SHARED_LIBRARY_FLAGS="-dll"
349 SET_EXECUTABLE_ORIGIN=''
350 SET_SHARED_LIBRARY_ORIGIN=''
351 SET_SHARED_LIBRARY_NAME=''
352 SET_SHARED_LIBRARY_MAPFILE='-def:[$]1'
353 fi
354
355 AC_SUBST(C_FLAG_REORDER)
356 AC_SUBST(CXX_FLAG_REORDER)
357 AC_SUBST(SET_EXECUTABLE_ORIGIN)
358 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
359 AC_SUBST(SET_SHARED_LIBRARY_NAME)
360 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
361 AC_SUBST(SHARED_LIBRARY_FLAGS)
362
363 # The (cross) compiler is now configured, we can now test capabilities
364 # of the target platform.
365 ])
366
367 # Documentation on common flags used for solstudio in HIGHEST.
368 #
369 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
370 # done with care, there are some assumptions below that need to
371 # be understood about the use of pointers, and IEEE behavior.
372 #
373 # -fns: Use non-standard floating point mode (not IEEE 754)
374 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
375 # -fsingle: Use single precision floating point with 'float'
376 # -xalias_level=basic: Assume memory references via basic pointer types do not alias
377 # (Source with excessing pointer casting and data access with mixed
378 # pointer types are not recommended)
379 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
380 # (If you expect perfect errno behavior, do not use this)
381 # -xdepend: Loop data dependency optimizations (need -xO3 or higher)
382 # -xrestrict: Pointer parameters to functions do not overlap
383 # (Similar to -xalias_level=basic usage, but less obvious sometimes.
384 # If you pass in multiple pointers to the same data, do not use this)
385 # -xlibmil: Inline some library routines
386 # (If you expect perfect errno behavior, do not use this)
387 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
388 # (If you expect perfect errno behavior, do not use this)
389 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
390
391 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
392 # Bug?
393 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
394 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
395 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
396 #fi
397
398 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
399 [
400
401 ###############################################################################
402 #
403 # Setup the opt flags for different compilers
404 # and different operating systems.
405 #
406
407 # FIXME: this was indirectly the old default, but just inherited.
408 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
409 # C_FLAG_DEPS="-MMD -MF"
410 # fi
411
412 # Generate make dependency files
413 if test "x$TOOLCHAIN_TYPE" = xgcc; then
414 C_FLAG_DEPS="-MMD -MF"
415 elif test "x$TOOLCHAIN_TYPE" = xclang; then
416 C_FLAG_DEPS="-MMD -MF"
417 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
418 C_FLAG_DEPS="-xMMD -xMF"
419 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
420 C_FLAG_DEPS="-qmakedep=gcc -MF"
421 fi
422 CXX_FLAG_DEPS="$C_FLAG_DEPS"
423 AC_SUBST(C_FLAG_DEPS)
424 AC_SUBST(CXX_FLAG_DEPS)
425
426 # Debug symbols
427 if test "x$TOOLCHAIN_TYPE" = xgcc; then
428 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
429 # reduce from default "-g2" option to save space
430 CFLAGS_DEBUG_SYMBOLS="-g1"
431 CXXFLAGS_DEBUG_SYMBOLS="-g1"
432 else
433 CFLAGS_DEBUG_SYMBOLS="-g"
434 CXXFLAGS_DEBUG_SYMBOLS="-g"
435 fi
436 elif test "x$TOOLCHAIN_TYPE" = xclang; then
437 CFLAGS_DEBUG_SYMBOLS="-g"
438 CXXFLAGS_DEBUG_SYMBOLS="-g"
439 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
440 CFLAGS_DEBUG_SYMBOLS="-g -xs"
441 # -g0 enables debug symbols without disabling inlining.
442 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
443 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
444 CFLAGS_DEBUG_SYMBOLS="-g"
445 CXXFLAGS_DEBUG_SYMBOLS="-g"
446 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
447 CFLAGS_DEBUG_SYMBOLS="-Zi"
448 CXXFLAGS_DEBUG_SYMBOLS="-Zi"
449 fi
450 AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
451 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
452
453 # Debug symbols for JVM_CFLAGS
454 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
455 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs"
456 if test "x$DEBUG_LEVEL" = xslowdebug; then
457 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
458 else
459 # -g0 does not disable inlining, which -g does.
460 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0"
461 fi
462 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
463 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+"
464 else
465 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
466 fi
467 AC_SUBST(JVM_CFLAGS_SYMBOLS)
468
469 # bounds, memory and behavior checking options
470 if test "x$TOOLCHAIN_TYPE" = xgcc; then
471 case $DEBUG_LEVEL in
472 release )
473 # no adjustment
474 ;;
475 fastdebug )
476 # no adjustment
477 ;;
478 slowdebug )
479 # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it
480 # get's added conditionally on whether we produce debug symbols or not.
481 # This is most likely not really correct.
482
483 # Add runtime stack smashing and undefined behavior checks.
484 # Not all versions of gcc support -fstack-protector
485 STACK_PROTECTOR_CFLAG="-fstack-protector-all"
486 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""])
487
488 CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
489 CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
490 if test "x$STACK_PROTECTOR_CFLAG" != x; then
491 JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
492 fi
493 ;;
494 esac
495 fi
496
497 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
498 if test "x$DEBUG_LEVEL" != xrelease; then
499 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
500 JVM_CFLAGS="$JVM_CFLAGS -homeparams"
501 fi
502 fi
503 fi
504
505 # Optimization levels
506 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
507 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
508
509 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
510 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
511 C_O_FLAG_HIGHEST_JVM="-xO4"
512 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
513 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
514 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
515 C_O_FLAG_DEBUG="-xregs=no%frameptr"
516 C_O_FLAG_DEBUG_JVM=""
517 C_O_FLAG_NONE="-xregs=no%frameptr"
518 CXX_O_FLAG_HIGHEST_JVM="-xO4"
519 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
520 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
521 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
522 CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
523 CXX_O_FLAG_DEBUG_JVM=""
524 CXX_O_FLAG_NONE="-xregs=no%frameptr"
525 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
526 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
527 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
528 fi
529 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
530 C_O_FLAG_HIGHEST_JVM="-xO4"
531 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
532 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
533 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
534 C_O_FLAG_DEBUG=""
535 C_O_FLAG_DEBUG_JVM=""
536 C_O_FLAG_NONE=""
537 CXX_O_FLAG_HIGHEST_JVM="-xO4"
538 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
539 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
540 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
541 CXX_O_FLAG_DEBUG=""
542 CXX_O_FLAG_DEBUG_JVM=""
543 CXX_O_FLAG_NONE=""
544 fi
545 else
546 # The remaining toolchains share opt flags between CC and CXX;
547 # setup for C and duplicate afterwards.
548 if test "x$TOOLCHAIN_TYPE" = xgcc; then
549 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
550 # On MacOSX we optimize for size, something
551 # we should do for all platforms?
552 C_O_FLAG_HIGHEST_JVM="-Os"
553 C_O_FLAG_HIGHEST="-Os"
554 C_O_FLAG_HI="-Os"
555 C_O_FLAG_NORM="-Os"
556 C_O_FLAG_SIZE="-Os"
557 else
558 C_O_FLAG_HIGHEST_JVM="-O3"
559 C_O_FLAG_HIGHEST="-O3"
560 C_O_FLAG_HI="-O3"
561 C_O_FLAG_NORM="-O2"
562 C_O_FLAG_SIZE="-Os"
563 fi
564 C_O_FLAG_DEBUG="-O0"
565 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
566 C_O_FLAG_DEBUG_JVM=""
567 elif test "x$OPENJDK_TARGET_OS" = xlinux; then
568 C_O_FLAG_DEBUG_JVM="-O0"
569 fi
570 C_O_FLAG_NONE="-O0"
571 elif test "x$TOOLCHAIN_TYPE" = xclang; then
572 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
573 # On MacOSX we optimize for size, something
574 # we should do for all platforms?
575 C_O_FLAG_HIGHEST_JVM="-Os"
576 C_O_FLAG_HIGHEST="-Os"
577 C_O_FLAG_HI="-Os"
578 C_O_FLAG_NORM="-Os"
579 C_O_FLAG_SIZE="-Os"
580 else
581 C_O_FLAG_HIGHEST_JVM="-O3"
582 C_O_FLAG_HIGHEST="-O3"
583 C_O_FLAG_HI="-O3"
584 C_O_FLAG_NORM="-O2"
585 C_O_FLAG_SIZE="-Os"
586 fi
587 C_O_FLAG_DEBUG="-O0"
588 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
589 C_O_FLAG_DEBUG_JVM=""
590 elif test "x$OPENJDK_TARGET_OS" = xlinux; then
591 C_O_FLAG_DEBUG_JVM="-O0"
592 fi
593 C_O_FLAG_NONE="-O0"
594 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
595 C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue"
596 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue"
597 C_O_FLAG_HI="-O3 -qinline -qinlglue"
598 C_O_FLAG_NORM="-O2"
599 C_O_FLAG_DEBUG="-qnoopt"
600 # FIXME: Value below not verified.
601 C_O_FLAG_DEBUG_JVM=""
602 C_O_FLAG_NONE="-qnoopt"
603 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
604 C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
605 C_O_FLAG_HIGHEST="-O2"
606 C_O_FLAG_HI="-O1"
607 C_O_FLAG_NORM="-O1"
608 C_O_FLAG_DEBUG="-Od"
609 C_O_FLAG_DEBUG_JVM=""
610 C_O_FLAG_NONE="-Od"
611 C_O_FLAG_SIZE="-Os"
612 fi
613 CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM"
614 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
615 CXX_O_FLAG_HI="$C_O_FLAG_HI"
616 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
617 CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
618 CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM"
619 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
620 CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE"
621 fi
622
623 # Adjust optimization flags according to debug level.
624 case $DEBUG_LEVEL in
625 release )
626 # no adjustment
627 ;;
628 fastdebug )
629 # Not quite so much optimization
630 C_O_FLAG_HI="$C_O_FLAG_NORM"
631 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
632 ;;
633 slowdebug )
634 # Disable optimization
635 C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM"
636 C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
637 C_O_FLAG_HI="$C_O_FLAG_DEBUG"
638 C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
639 C_O_FLAG_SIZE="$C_O_FLAG_DEBUG"
640 CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM"
641 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
642 CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
643 CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
644 CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG"
645 ;;
646 esac
647
648 AC_SUBST(C_O_FLAG_HIGHEST_JVM)
649 AC_SUBST(C_O_FLAG_HIGHEST)
650 AC_SUBST(C_O_FLAG_HI)
651 AC_SUBST(C_O_FLAG_NORM)
652 AC_SUBST(C_O_FLAG_DEBUG)
653 AC_SUBST(C_O_FLAG_NONE)
654 AC_SUBST(C_O_FLAG_SIZE)
655 AC_SUBST(CXX_O_FLAG_HIGHEST_JVM)
656 AC_SUBST(CXX_O_FLAG_HIGHEST)
657 AC_SUBST(CXX_O_FLAG_HI)
658 AC_SUBST(CXX_O_FLAG_NORM)
659 AC_SUBST(CXX_O_FLAG_DEBUG)
660 AC_SUBST(CXX_O_FLAG_NONE)
661 AC_SUBST(CXX_O_FLAG_SIZE)
662 ])
663
664
665 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
666 [
667
668 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET])
669 FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_])
670
671 # Tests are only ever compiled for TARGET
672 # Flags for compiling test libraries
673 CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
674 CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA"
675
676 # Flags for compiling test executables
677 CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
678 CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
679
680 AC_SUBST(CFLAGS_TESTLIB)
681 AC_SUBST(CFLAGS_TESTEXE)
682 AC_SUBST(CXXFLAGS_TESTLIB)
683 AC_SUBST(CXXFLAGS_TESTEXE)
684
685 LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
686 LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE $JAVA_BASE_LDFLAGS"
687
688 AC_SUBST(LDFLAGS_TESTLIB)
689 AC_SUBST(LDFLAGS_TESTEXE)
690
691 ])
692
693 ################################################################################
694 # $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
695 # conditionals against.
696 # $2 - Optional prefix for each variable defined.
697 AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER],
698 [
699 # Special extras...
700 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
701 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
702 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
703 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
704 fi
705 $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
706 $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
707 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
708 $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
709 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
710 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
711 $2CXXSTD_CXXFLAG="-std=gnu++98"
712 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror],
713 IF_FALSE: [$2CXXSTD_CXXFLAG=""])
714 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}"
715 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$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 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
721 fi
722
723 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
724 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
725 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
726 fi
727
728 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}"
729 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}"
730 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}"
731
732 ###############################################################################
733 #
734 # Now setup the CFLAGS and LDFLAGS for the JDK build.
735 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
736 #
737
738 # Setup compiler/platform specific flags into
739 # $2CFLAGS_JDK - C Compiler flags
740 # $2CXXFLAGS_JDK - C++ Compiler flags
741 # $2COMMON_CCXXFLAGS_JDK - common to C and C++
742 if test "x$TOOLCHAIN_TYPE" = xgcc; then
743 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
744 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT"
745 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new"
746 if test "x$OPENJDK_$1_CPU" = xx86; then
747 # Force compatibility with i586 on 32 bit intel platforms.
748 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
749 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
750 fi
751 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
752 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
753 case $OPENJDK_$1_CPU_ARCH in
754 arm )
755 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
756 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
757 ;;
758 ppc )
759 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
760 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
761 ;;
762 s390 )
763 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer -mbackchain -march=z10"
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, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2))
772 elif test "x$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 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \
902 -D_Crun_inline_placement -library=%none -KPIC -mt -features=no%except"
903 elif test "x$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 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \
915 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
916 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
917 elif test "x$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 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power8 -mtune=power8"
946 fi
947 elif test "x$OPENJDK_$1_CPU" = xs390x; then
948 if test "x$OPENJDK_$1_OS" = xlinux; then
949 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mbackchain -march=z10"
950 fi
951 fi
952
953 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
954 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN"
955 fi
956
957 if test "x$OPENJDK_$1_CPU_BITS" = x64; then
958 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then
959 # Solaris does not have _LP64=1 in the old build.
960 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
961 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1"
962 fi
963 fi
964
965 # Set $2JVM_CFLAGS warning handling
966 if test "x$OPENJDK_$1_OS" = xlinux; then
967 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \
968 -Wunused-value -Woverloaded-virtual"
969
970 if test "x$TOOLCHAIN_TYPE" = xgcc; then
971 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2,
972 IF_AT_LEAST: [
973 # These flags either do not work or give spurious warnings prior to gcc 4.8.
974 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized"
975 ]
976 )
977 fi
978 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
979 # Non-zero builds have stricter warnings
980 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2"
981 else
982 if test "x$TOOLCHAIN_TYPE" = xclang; then
983 # Some versions of llvm do not like -Wundef
984 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef"
985 fi
986 fi
987 elif test "x$OPENJDK_$1_OS" = xmacosx; then
988 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \
989 -Wsign-compare -Wundef -Wunused-function -Wformat=2"
990 fi
991
992 # Additional macosx handling
993 if test "x$OPENJDK_$1_OS" = xmacosx; then
994 # Setting these parameters makes it an error to link to macosx APIs that are
995 # newer than the given OS version and makes the linked binaries compatible
996 # even if built on a newer version of the OS.
997 # The expected format is X.Y.Z
998 MACOSX_VERSION_MIN=10.7.0
999 AC_SUBST(MACOSX_VERSION_MIN)
1000
1001 # The macro takes the version with no dots, ex: 1070
1002 # Let the flags variables get resolved in make for easier override on make
1003 # command line.
1004 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
1005 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
1006 fi
1007
1008 # Setup some hard coded includes
1009 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
1010 -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \
1011 -I${JDK_TOPDIR}/src/java.base/share/native/include \
1012 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \
1013 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \
1014 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \
1015 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava"
1016
1017 # The shared libraries are compiled using the picflag.
1018 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1019 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA"
1020 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1021 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA"
1022
1023 # Executable flags
1024 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK"
1025 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK"
1026
1027 AC_SUBST($2CFLAGS_JDKLIB)
1028 AC_SUBST($2CFLAGS_JDKEXE)
1029 AC_SUBST($2CXXFLAGS_JDKLIB)
1030 AC_SUBST($2CXXFLAGS_JDKEXE)
1031
1032 # Setup LDFLAGS et al.
1033 #
1034
1035 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1036 LDFLAGS_MICROSOFT="-nologo -opt:ref"
1037 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no"
1038 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000"
1039 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then
1040 LDFLAGS_SAFESH="-safeseh"
1041 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH"
1042 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH"
1043 # NOTE: Old build added -machine. Probably not needed.
1044 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386"
1045 else
1046 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64"
1047 fi
1048 elif test "x$TOOLCHAIN_TYPE" = xclang; then
1049 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC"
1050 if test "x$OPENJDK_$1_OS" = xmacosx; then
1051 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
1052 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1053 fi
1054 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
1055 # If this is a --hash-style=gnu system, use --hash-style=both, why?
1056 # We have previously set HAS_GNU_HASH if this is the case
1057 if test -n "$HAS_GNU_HASH"; then
1058 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both"
1059 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE"
1060 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE"
1061 fi
1062 if test "x$OPENJDK_$1_OS" = xmacosx; then
1063 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1064 fi
1065 if test "x$OPENJDK_$1_OS" = xlinux; then
1066 # And since we now know that the linker is gnu, then add -z defs, to forbid
1067 # undefined symbols in object files.
1068 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs"
1069 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM"
1070 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM"
1071 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack"
1072 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK"
1073 if test "x$OPENJDK_$1_CPU" = xx86; then
1074 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586"
1075 fi
1076 case $DEBUG_LEVEL in
1077 release )
1078 # tell linker to optimize libraries.
1079 # Should this be supplied to the OSS linker as well?
1080 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1"
1081 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release"
1082 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release"
1083 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1084 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1085 fi
1086 ;;
1087 slowdebug )
1088 # Hotspot always let the linker optimize
1089 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1090 if test "x$HAS_LINKER_NOW" = "xtrue"; then
1091 # do relocations at load
1092 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG"
1093 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
1094 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG"
1095 fi
1096 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1097 # mark relocations read only
1098 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1099 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1100 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1101 fi
1102 ;;
1103 fastdebug )
1104 # Hotspot always let the linker optimize
1105 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1106 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1107 # mark relocations read only
1108 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1109 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1110 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1111 fi
1112 ;;
1113 * )
1114 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
1115 ;;
1116 esac
1117 fi
1118 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1119 LDFLAGS_SOLSTUDIO="-Wl,-z,defs"
1120 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext"
1121 LDFLAGS_CXX_SOLSTUDIO="-norunpath"
1122 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib"
1123 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion"
1124 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
1125 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc"
1126 fi
1127 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
1128 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok"
1129 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC"
1130 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC"
1131 fi
1132
1133 # Customize LDFLAGS for executables
1134
1135 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}"
1136
1137 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1138 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then
1139 LDFLAGS_STACK_SIZE=1048576
1140 else
1141 LDFLAGS_STACK_SIZE=327680
1142 fi
1143 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
1144 elif test "x$OPENJDK_$1_OS" = xlinux; then
1145 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined"
1146 fi
1147
1148 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}"
1149
1150 # Customize LDFLAGS for libs
1151 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}"
1152
1153 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}"
1154 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1155 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1156 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base"
1157 $2JDKLIB_LIBS=""
1158 else
1159 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1160 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base"
1161
1162 if test "x$1" = "xTARGET"; then
1163 # On some platforms (mac) the linker warns about non existing -L dirs.
1164 # Add server first if available. Linking aginst client does not always produce the same results.
1165 # Only add client/minimal dir if client/minimal is being built.
1166 # Default to server for other variants.
1167 if HOTSPOT_CHECK_JVM_VARIANT(server); then
1168 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server"
1169 elif HOTSPOT_CHECK_JVM_VARIANT(client); then
1170 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/client"
1171 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then
1172 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/minimal"
1173 else
1174 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server"
1175 fi
1176 elif test "x$1" = "xBUILD"; then
1177 # When building a buildjdk, it's always only the server variant
1178 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1179 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server"
1180 fi
1181
1182 $2JDKLIB_LIBS="-ljava -ljvm"
1183 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1184 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc"
1185 fi
1186
1187 fi
1188
1189 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}"
1190
1191 # Set $2JVM_LIBS (per os)
1192 if test "x$OPENJDK_$1_OS" = xlinux; then
1193 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread"
1194 elif test "x$OPENJDK_$1_OS" = xsolaris; then
1195 # FIXME: This hard-coded path is not really proper.
1196 if test "x$OPENJDK_$1_CPU" = xx86_64; then
1197 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1"
1198 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
1199 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1"
1200 fi
1201 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \
1202 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt"
1203 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1204 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1205 elif test "x$OPENJDK_$1_OS" = xaix; then
1206 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread"
1207 elif test "x$OPENJDK_$1_OS" = xbsd; then
1208 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1209 elif test "x$OPENJDK_$1_OS" = xwindows; then
1210 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
1211 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
1212 wsock32.lib winmm.lib version.lib psapi.lib"
1213 fi
1214
1215 # Set $2JVM_ASFLAGS
1216 if test "x$OPENJDK_$1_OS" = xlinux; then
1217 if test "x$OPENJDK_$1_CPU" = xx86; then
1218 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586"
1219 fi
1220 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1221 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
1222 fi
1223
1224 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}"
1225
1226 AC_SUBST($2LDFLAGS_JDKLIB)
1227 AC_SUBST($2LDFLAGS_JDKEXE)
1228 AC_SUBST($2JDKLIB_LIBS)
1229 AC_SUBST($2JDKEXE_LIBS)
1230 AC_SUBST($2LDFLAGS_CXX_JDK)
1231 AC_SUBST($2LDFLAGS_HASH_STYLE)
1232
1233 AC_SUBST($2JVM_CFLAGS)
1234 AC_SUBST($2JVM_LDFLAGS)
1235 AC_SUBST($2JVM_ASFLAGS)
1236 AC_SUBST($2JVM_LIBS)
1237
1238 ])
1239
1240 # FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1241 # IF_FALSE: [RUN-IF-FALSE])
1242 # ------------------------------------------------------------
1243 # Check that the C compiler supports an argument
1244 BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS],
1245 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1246 [
1247 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"])
1248 supports=yes
1249
1250 saved_cflags="$CFLAGS"
1251 CFLAGS="$CFLAGS ARG_ARGUMENT"
1252 AC_LANG_PUSH([C])
1253 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1254 [supports=no])
1255 AC_LANG_POP([C])
1256 CFLAGS="$saved_cflags"
1257
1258 AC_MSG_RESULT([$supports])
1259 if test "x$supports" = "xyes" ; then
1260 :
1261 ARG_IF_TRUE
1262 else
1263 :
1264 ARG_IF_FALSE
1265 fi
1266 ])
1267
1268 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1269 # IF_FALSE: [RUN-IF-FALSE])
1270 # ------------------------------------------------------------
1271 # Check that the C++ compiler supports an argument
1272 BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],
1273 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1274 [
1275 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"])
1276 supports=yes
1277
1278 saved_cxxflags="$CXXFLAGS"
1279 CXXFLAGS="$CXXFLAG ARG_ARGUMENT"
1280 AC_LANG_PUSH([C++])
1281 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1282 [supports=no])
1283 AC_LANG_POP([C++])
1284 CXXFLAGS="$saved_cxxflags"
1285
1286 AC_MSG_RESULT([$supports])
1287 if test "x$supports" = "xyes" ; then
1288 :
1289 ARG_IF_TRUE
1290 else
1291 :
1292 ARG_IF_FALSE
1293 fi
1294 ])
1295
1296 # FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1297 # IF_FALSE: [RUN-IF-FALSE])
1298 # ------------------------------------------------------------
1299 # Check that the C and C++ compilers support an argument
1300 BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS],
1301 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1302 [
1303 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1304 IF_TRUE: [C_COMP_SUPPORTS="yes"],
1305 IF_FALSE: [C_COMP_SUPPORTS="no"])
1306 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1307 IF_TRUE: [CXX_COMP_SUPPORTS="yes"],
1308 IF_FALSE: [CXX_COMP_SUPPORTS="no"])
1309
1310 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"])
1311 supports=no
1312 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
1313
1314 AC_MSG_RESULT([$supports])
1315 if test "x$supports" = "xyes" ; then
1316 :
1317 ARG_IF_TRUE
1318 else
1319 :
1320 ARG_IF_FALSE
1321 fi
1322 ])
1323
1324 # FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1325 # IF_FALSE: [RUN-IF-FALSE])
1326 # ------------------------------------------------------------
1327 # Check that the linker support an argument
1328 BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS],
1329 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1330 [
1331 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"])
1332 supports=yes
1333
1334 saved_ldflags="$LDFLAGS"
1335 LDFLAGS="$LDFLAGS ARG_ARGUMENT"
1336 AC_LANG_PUSH([C])
1337 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
1338 [], [supports=no])
1339 AC_LANG_POP([C])
1340 LDFLAGS="$saved_ldflags"
1341
1342 AC_MSG_RESULT([$supports])
1343 if test "x$supports" = "xyes" ; then
1344 :
1345 ARG_IF_TRUE
1346 else
1347 :
1348 ARG_IF_FALSE
1349 fi
1350 ])
1351
1352 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
1353 [
1354 # Some Zero and Shark settings.
1355 # ZERO_ARCHFLAG tells the compiler which mode to build for
1356 case "${OPENJDK_TARGET_CPU}" in
1357 s390)
1358 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
1359 ;;
1360 *)
1361 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
1362 esac
1363 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""])
1364 AC_SUBST(ZERO_ARCHFLAG)
1365
1366 # Check that the compiler supports -mX (or -qX on AIX) flags
1367 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1368 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
1369 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1370 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1371 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1372
1373 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
1374 [do not consider native warnings to be an error @<:@enabled@:>@])])
1375
1376 AC_MSG_CHECKING([if native warnings are errors])
1377 if test "x$enable_warnings_as_errors" = "xyes"; then
1378 AC_MSG_RESULT([yes (explicitely set)])
1379 WARNINGS_AS_ERRORS=true
1380 elif test "x$enable_warnings_as_errors" = "xno"; then
1381 AC_MSG_RESULT([no])
1382 WARNINGS_AS_ERRORS=false
1383 elif test "x$enable_warnings_as_errors" = "x"; then
1384 AC_MSG_RESULT([yes (default)])
1385 WARNINGS_AS_ERRORS=true
1386 else
1387 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
1388 fi
1389
1390 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then
1391 # Set legacy hotspot variable
1392 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS="
1393 else
1394 HOTSPOT_SET_WARNINGS_AS_ERRORS=""
1395 fi
1396
1397 AC_SUBST(WARNINGS_AS_ERRORS)
1398 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS)
1399
1400 case "${TOOLCHAIN_TYPE}" in
1401 microsoft)
1402 DISABLE_WARNING_PREFIX="-wd"
1403 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
1404 ;;
1405 solstudio)
1406 DISABLE_WARNING_PREFIX="-erroff="
1407 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
1408 ;;
1409 gcc)
1410 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
1411 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1412 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true],
1413 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false]
1414 )
1415 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1416 DISABLE_WARNING_PREFIX="-Wno-"
1417 else
1418 DISABLE_WARNING_PREFIX=
1419 fi
1420 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1421 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
1422 # CFLAGS since any target specific flags will likely not work with the
1423 # build compiler
1424 CC_OLD="$CC"
1425 CXX_OLD="$CXX"
1426 CC="$BUILD_CC"
1427 CXX="$BUILD_CXX"
1428 CFLAGS_OLD="$CFLAGS"
1429 CFLAGS=""
1430 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1431 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
1432 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
1433 )
1434 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1435 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
1436 else
1437 BUILD_CC_DISABLE_WARNING_PREFIX=
1438 fi
1439 CC="$CC_OLD"
1440 CXX="$CXX_OLD"
1441 CFLAGS="$CFLAGS_OLD"
1442 ;;
1443 clang)
1444 DISABLE_WARNING_PREFIX="-Wno-"
1445 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1446 ;;
1447 xlc)
1448 DISABLE_WARNING_PREFIX="-qsuppress="
1449 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
1450 ;;
1451 esac
1452 AC_SUBST(DISABLE_WARNING_PREFIX)
1453 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
1454 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
1455 ])
1456
1457 # FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX])
1458 # Arguments:
1459 # $1 - Optional prefix for each variable defined.
1460 AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
1461 [
1462 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
1463 # runs afoul of the more aggressive versions of these optimisations.
1464 # Notably, value range propagation now assumes that the this pointer of C++
1465 # member functions is non-null.
1466 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
1467 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
1468 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
1469 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
1470 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
1471 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
1472 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
1473 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
1474 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}])
1475 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
1476 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
1477 ])