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 $RM command.file
159 fi
160 fi
161 AC_SUBST(COMPILER_TARGET_BITS_FLAG)
162 AC_SUBST(COMPILER_COMMAND_FILE_FLAG)
163 AC_SUBST(COMPILER_BINDCMD_FILE_FLAG)
164
165 # FIXME: figure out if we should select AR flags depending on OS or toolchain.
166 if test "x$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 -qhot=level=1 -qinline -qinlglue"
597 C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue"
598 C_O_FLAG_HI="-O3 -qinline -qinlglue"
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 $JAVA_BASE_LDFLAGS"
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 $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}"
717 AC_SUBST([$2CXXSTD_CXXFLAG])
718 fi
719 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
720 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
721 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
722 fi
723
724 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
725 $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
726 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
727 fi
728
729 $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}"
730 $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}"
731 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}"
732
733 ###############################################################################
734 #
735 # Now setup the CFLAGS and LDFLAGS for the JDK build.
736 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
737 #
738
739 # Setup compiler/platform specific flags into
740 # $2CFLAGS_JDK - C Compiler flags
741 # $2CXXFLAGS_JDK - C++ Compiler flags
742 # $2COMMON_CCXXFLAGS_JDK - common to C and C++
743 if test "x$TOOLCHAIN_TYPE" = xgcc; then
744 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
745 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT"
746 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new"
747 if test "x$OPENJDK_$1_CPU" = xx86; then
748 # Force compatibility with i586 on 32 bit intel platforms.
749 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
750 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
751 fi
752 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
753 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
754 case $OPENJDK_$1_CPU_ARCH in
755 arm )
756 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
757 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
758 ;;
759 ppc )
760 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
761 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
762 ;;
763 * )
764 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
765 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
766 ;;
767 esac
768 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2))
769 elif test "x$TOOLCHAIN_TYPE" = xclang; then
770 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
771
772 # Restrict the debug information created by Clang to avoid
773 # too big object files and speed the build up a little bit
774 # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
775 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info"
776 if test "x$OPENJDK_$1_OS" = xlinux; then
777 if test "x$OPENJDK_$1_CPU" = xx86; then
778 # Force compatibility with i586 on 32 bit intel platforms.
779 $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
780 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
781 fi
782 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized"
783 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
784 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
785 case $OPENJDK_$1_CPU_ARCH in
786 ppc )
787 # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
788 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
789 ;;
790 * )
791 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
792 $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
793 ;;
794 esac
795 fi
796 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
797 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS"
798 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
799 if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then
800 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB"
801 fi
802
803 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
804 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
805 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
806 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT -D__STDC_FORMAT_MACROS"
807 $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
808 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
809 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
810 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \
811 -MD -Zc:wchar_t- -W3 -wd4800 \
812 -DWIN32_LEAN_AND_MEAN \
813 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
814 -D_WINSOCK_DEPRECATED_NO_WARNINGS \
815 -DWIN32 -DIAL"
816 if test "x$OPENJDK_$1_CPU" = xx86_64; then
817 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
818 else
819 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
820 fi
821 # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to
822 # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
823 # studio.
824 if test "x$TOOLCHAIN_VERSION" = "x2010"; then
825 STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
826 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS"
827 $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS"
828 fi
829 fi
830
831 ###############################################################################
832
833 # Adjust flags according to debug level.
834 case $DEBUG_LEVEL in
835 fastdebug | slowdebug )
836 $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
837 $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
838 JAVAC_FLAGS="$JAVAC_FLAGS -g"
839 ;;
840 release )
841 ;;
842 * )
843 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
844 ;;
845 esac
846
847 # Set some common defines. These works for all compilers, but assume
848 # -D is universally accepted.
849
850 # Setup endianness
851 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
852 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
853 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
854 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
855 # Note: -Dmacro is the same as #define macro 1
856 # -Dmacro= is the same as #define macro
857 if test "x$OPENJDK_$1_OS" = xsolaris; then
858 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
859 else
860 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
861 fi
862 else
863 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
864 # are defined in the system?
865 if test "x$OPENJDK_$1_OS" = xsolaris; then
866 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
867 else
868 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
869 fi
870 fi
871
872 # Setup target OS define. Use OS target name but in upper case.
873 OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
874 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE"
875
876 # Setup target CPU
877 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
878 $OPENJDK_$1_ADD_LP64 \
879 -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY"
880
881 # Setup debug/release defines
882 if test "x$DEBUG_LEVEL" = xrelease; then
883 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG"
884 if test "x$OPENJDK_$1_OS" = xsolaris; then
885 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED"
886 fi
887 else
888 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG"
889 fi
890
891 # Set some additional per-OS defines.
892 if test "x$OPENJDK_$1_OS" = xlinux; then
893 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX"
894 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe -fPIC -fno-rtti -fno-exceptions \
895 -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer"
896 elif test "x$OPENJDK_$1_OS" = xsolaris; then
897 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS"
898 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \
899 -D_Crun_inline_placement -library=%none -KPIC -mt -xwe -features=no%except"
900 elif test "x$OPENJDK_$1_OS" = xmacosx; then
901 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
902 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE"
903 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
904 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \
905 -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \
906 -DMAC_OS_X_VERSION_MAX_ALLOWED=1070 -mmacosx-version-min=10.7.0 \
907 -fno-omit-frame-pointer"
908 elif test "x$OPENJDK_$1_OS" = xaix; then
909 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX"
910 # We may need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
911 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \
912 -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
913 -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
914 elif test "x$OPENJDK_$1_OS" = xbsd; then
915 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
916 elif test "x$OPENJDK_$1_OS" = xwindows; then
917 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_"
918 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP"
919 fi
920
921 # Set some additional per-CPU defines.
922 if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then
923 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32"
924 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
925 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc"
926 elif test "x$OPENJDK_$1_CPU" = xppc64; then
927 if test "x$OPENJDK_$1_OS" = xlinux; then
928 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
929 # fixes `relocation truncated to fit' error for gcc 4.1.
930 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc"
931 # Use ppc64 instructions, but schedule for power5
932 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5"
933 elif test "x$OPENJDK_$1_OS" = xaix; then
934 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64"
935 fi
936 elif test "x$OPENJDK_$1_CPU" = xppc64le; then
937 if test "x$OPENJDK_$1_OS" = xlinux; then
938 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
939 # Little endian machine uses ELFv2 ABI.
940 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2"
941 # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
942 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power7 -mtune=power8"
943 fi
944 fi
945
946 if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
947 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN"
948 fi
949
950 if test "x$OPENJDK_$1_CPU_BITS" = x64; then
951 if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then
952 # Solaris does not have _LP64=1 in the old build.
953 # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
954 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1"
955 fi
956 fi
957
958 # Set $2JVM_CFLAGS warning handling
959 if test "x$OPENJDK_$1_OS" = xlinux; then
960 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \
961 -Wunused-value -Woverloaded-virtual"
962
963 if test "x$TOOLCHAIN_TYPE" = xgcc; then
964 TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2,
965 IF_AT_LEAST: [
966 # These flags either do not work or give spurious warnings prior to gcc 4.8.
967 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized"
968 ]
969 )
970 fi
971 if ! HOTSPOT_CHECK_JVM_VARIANT(zero) && ! HOTSPOT_CHECK_JVM_VARIANT(zeroshark); then
972 # Non-zero builds have stricter warnings
973 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2"
974 else
975 if test "x$TOOLCHAIN_TYPE" = xclang; then
976 # Some versions of llvm do not like -Wundef
977 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef"
978 fi
979 fi
980 elif test "x$OPENJDK_$1_OS" = xmacosx; then
981 $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \
982 -Wsign-compare -Wundef -Wunused-function -Wformat=2"
983 fi
984
985 # Additional macosx handling
986 if test "x$OPENJDK_$1_OS" = xmacosx; then
987 # Setting these parameters makes it an error to link to macosx APIs that are
988 # newer than the given OS version and makes the linked binaries compatible
989 # even if built on a newer version of the OS.
990 # The expected format is X.Y.Z
991 MACOSX_VERSION_MIN=10.7.0
992 AC_SUBST(MACOSX_VERSION_MIN)
993
994 # The macro takes the version with no dots, ex: 1070
995 # Let the flags variables get resolved in make for easier override on make
996 # command line.
997 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
998 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
999 fi
1000
1001 # Setup some hard coded includes
1002 $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
1003 -I${JDK_TOPDIR}/src/java.base/share/native/include \
1004 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS/native/include \
1005 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/include \
1006 -I${JDK_TOPDIR}/src/java.base/share/native/libjava \
1007 -I${JDK_TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava"
1008
1009 # The shared libraries are compiled using the picflag.
1010 $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1011 [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA"
1012 $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
1013 [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA"
1014
1015 # Executable flags
1016 $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK"
1017 $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK"
1018
1019 AC_SUBST($2CFLAGS_JDKLIB)
1020 AC_SUBST($2CFLAGS_JDKEXE)
1021 AC_SUBST($2CXXFLAGS_JDKLIB)
1022 AC_SUBST($2CXXFLAGS_JDKEXE)
1023
1024 # Setup LDFLAGS et al.
1025 #
1026
1027 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1028 LDFLAGS_MICROSOFT="-nologo -opt:ref"
1029 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no"
1030 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000"
1031 if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then
1032 LDFLAGS_SAFESH="-safeseh"
1033 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH"
1034 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH"
1035 # NOTE: Old build added -machine. Probably not needed.
1036 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386"
1037 else
1038 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64"
1039 fi
1040 elif test "x$TOOLCHAIN_TYPE" = xclang; then
1041 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC"
1042 if test "x$OPENJDK_$1_OS" = xmacosx; then
1043 # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
1044 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1045 fi
1046 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
1047 # If this is a --hash-style=gnu system, use --hash-style=both, why?
1048 # We have previously set HAS_GNU_HASH if this is the case
1049 if test -n "$HAS_GNU_HASH"; then
1050 $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both"
1051 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE"
1052 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE"
1053 fi
1054 if test "x$OPENJDK_$1_OS" = xmacosx; then
1055 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
1056 fi
1057 if test "x$OPENJDK_$1_OS" = xlinux; then
1058 # And since we now know that the linker is gnu, then add -z defs, to forbid
1059 # undefined symbols in object files.
1060 LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs"
1061 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM"
1062 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_UNDEF_SYM"
1063 LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack"
1064 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK"
1065 if test "x$OPENJDK_$1_CPU" = xx86; then
1066 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586"
1067 fi
1068 case $DEBUG_LEVEL in
1069 release )
1070 # tell linker to optimize libraries.
1071 # Should this be supplied to the OSS linker as well?
1072 LDFLAGS_DEBUGLEVEL_release="-Wl,-O1"
1073 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release"
1074 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release"
1075 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1076 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1077 fi
1078 ;;
1079 slowdebug )
1080 # Hotspot always let the linker optimize
1081 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1082 if test "x$HAS_LINKER_NOW" = "xtrue"; then
1083 # do relocations at load
1084 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG"
1085 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
1086 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG"
1087 fi
1088 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1089 # mark relocations read only
1090 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1091 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1092 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1093 fi
1094 ;;
1095 fastdebug )
1096 # Hotspot always let the linker optimize
1097 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
1098 if test "x$HAS_LINKER_RELRO" = "xtrue"; then
1099 # mark relocations read only
1100 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
1101 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
1102 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
1103 fi
1104 ;;
1105 * )
1106 AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
1107 ;;
1108 esac
1109 fi
1110 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1111 LDFLAGS_SOLSTUDIO="-Wl,-z,defs"
1112 $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext"
1113 LDFLAGS_CXX_SOLSTUDIO="-norunpath"
1114 $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib"
1115 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion"
1116 if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
1117 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc"
1118 fi
1119 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
1120 LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok"
1121 $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC"
1122 $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC"
1123 fi
1124
1125 # Customize LDFLAGS for executables
1126
1127 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}"
1128
1129 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1130 if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then
1131 LDFLAGS_STACK_SIZE=1048576
1132 else
1133 LDFLAGS_STACK_SIZE=327680
1134 fi
1135 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
1136 elif test "x$OPENJDK_$1_OS" = xlinux; then
1137 $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined"
1138 fi
1139
1140 $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}"
1141
1142 # Customize LDFLAGS for libs
1143 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}"
1144
1145 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}"
1146 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
1147 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1148 -libpath:${OUTPUT_ROOT}/support/modules_libs/java.base"
1149 $2JDKLIB_LIBS=""
1150 else
1151 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1152 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)"
1153
1154 if test "x$1" = "xTARGET"; then
1155 # On some platforms (mac) the linker warns about non existing -L dirs.
1156 # Add server first if available. Linking aginst client does not always produce the same results.
1157 # Only add client/minimal dir if client/minimal is being built.
1158 # Default to server for other variants.
1159 if HOTSPOT_CHECK_JVM_VARIANT(server); then
1160 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1161 elif HOTSPOT_CHECK_JVM_VARIANT(client); then
1162 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/client"
1163 elif HOTSPOT_CHECK_JVM_VARIANT(minimal); then
1164 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/minimal"
1165 else
1166 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1167 fi
1168 elif test "x$1" = "xBUILD"; then
1169 # When building a buildjdk, it's always only the server variant
1170 $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
1171 -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base\$(OPENJDK_$1_CPU_LIBDIR)/server"
1172 fi
1173
1174 $2JDKLIB_LIBS="-ljava -ljvm"
1175 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
1176 $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc"
1177 fi
1178
1179 fi
1180
1181 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}"
1182
1183 # Set $2JVM_LIBS (per os)
1184 if test "x$OPENJDK_$1_OS" = xlinux; then
1185 $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread"
1186 elif test "x$OPENJDK_$1_OS" = xsolaris; then
1187 # FIXME: This hard-coded path is not really proper.
1188 if test "x$OPENJDK_$1_CPU" = xx86_64; then
1189 $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1"
1190 elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
1191 $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1"
1192 fi
1193 $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \
1194 -lthread -ldoor -lc -ldemangle -lnsl -lkstat -lrt"
1195 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1196 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1197 elif test "x$OPENJDK_$1_OS" = xaix; then
1198 $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread"
1199 elif test "x$OPENJDK_$1_OS" = xbsd; then
1200 $2JVM_LIBS="[$]$2JVM_LIBS -lm"
1201 elif test "x$OPENJDK_$1_OS" = xwindows; then
1202 $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
1203 comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
1204 wsock32.lib winmm.lib version.lib psapi.lib"
1205 fi
1206
1207 # Set $2JVM_ASFLAGS
1208 if test "x$OPENJDK_$1_OS" = xlinux; then
1209 if test "x$OPENJDK_$1_CPU" = xx86; then
1210 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586"
1211 fi
1212 elif test "x$OPENJDK_$1_OS" = xmacosx; then
1213 $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
1214 fi
1215
1216 $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}"
1217
1218 AC_SUBST($2LDFLAGS_JDKLIB)
1219 AC_SUBST($2LDFLAGS_JDKEXE)
1220 AC_SUBST($2JDKLIB_LIBS)
1221 AC_SUBST($2JDKEXE_LIBS)
1222 AC_SUBST($2LDFLAGS_CXX_JDK)
1223 AC_SUBST($2LDFLAGS_HASH_STYLE)
1224
1225 AC_SUBST($2JVM_CFLAGS)
1226 AC_SUBST($2JVM_LDFLAGS)
1227 AC_SUBST($2JVM_ASFLAGS)
1228 AC_SUBST($2JVM_LIBS)
1229
1230 ])
1231
1232 # FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1233 # IF_FALSE: [RUN-IF-FALSE])
1234 # ------------------------------------------------------------
1235 # Check that the C compiler supports an argument
1236 BASIC_DEFUN_NAMED([FLAGS_C_COMPILER_CHECK_ARGUMENTS],
1237 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1238 [
1239 AC_MSG_CHECKING([if the C compiler supports "ARG_ARGUMENT"])
1240 supports=yes
1241
1242 saved_cflags="$CFLAGS"
1243 CFLAGS="$CFLAGS ARG_ARGUMENT"
1244 AC_LANG_PUSH([C])
1245 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1246 [supports=no])
1247 AC_LANG_POP([C])
1248 CFLAGS="$saved_cflags"
1249
1250 AC_MSG_RESULT([$supports])
1251 if test "x$supports" = "xyes" ; then
1252 :
1253 ARG_IF_TRUE
1254 else
1255 :
1256 ARG_IF_FALSE
1257 fi
1258 ])
1259
1260 # FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1261 # IF_FALSE: [RUN-IF-FALSE])
1262 # ------------------------------------------------------------
1263 # Check that the C++ compiler supports an argument
1264 BASIC_DEFUN_NAMED([FLAGS_CXX_COMPILER_CHECK_ARGUMENTS],
1265 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1266 [
1267 AC_MSG_CHECKING([if the C++ compiler supports "ARG_ARGUMENT"])
1268 supports=yes
1269
1270 saved_cxxflags="$CXXFLAGS"
1271 CXXFLAGS="$CXXFLAG ARG_ARGUMENT"
1272 AC_LANG_PUSH([C++])
1273 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
1274 [supports=no])
1275 AC_LANG_POP([C++])
1276 CXXFLAGS="$saved_cxxflags"
1277
1278 AC_MSG_RESULT([$supports])
1279 if test "x$supports" = "xyes" ; then
1280 :
1281 ARG_IF_TRUE
1282 else
1283 :
1284 ARG_IF_FALSE
1285 fi
1286 ])
1287
1288 # FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1289 # IF_FALSE: [RUN-IF-FALSE])
1290 # ------------------------------------------------------------
1291 # Check that the C and C++ compilers support an argument
1292 BASIC_DEFUN_NAMED([FLAGS_COMPILER_CHECK_ARGUMENTS],
1293 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1294 [
1295 FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1296 IF_TRUE: [C_COMP_SUPPORTS="yes"],
1297 IF_FALSE: [C_COMP_SUPPORTS="no"])
1298 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARG_ARGUMENT],
1299 IF_TRUE: [CXX_COMP_SUPPORTS="yes"],
1300 IF_FALSE: [CXX_COMP_SUPPORTS="no"])
1301
1302 AC_MSG_CHECKING([if both compilers support "ARG_ARGUMENT"])
1303 supports=no
1304 if test "x$C_COMP_SUPPORTS" = "xyes" -a "x$CXX_COMP_SUPPORTS" = "xyes"; then supports=yes; fi
1305
1306 AC_MSG_RESULT([$supports])
1307 if test "x$supports" = "xyes" ; then
1308 :
1309 ARG_IF_TRUE
1310 else
1311 :
1312 ARG_IF_FALSE
1313 fi
1314 ])
1315
1316 # FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
1317 # IF_FALSE: [RUN-IF-FALSE])
1318 # ------------------------------------------------------------
1319 # Check that the linker support an argument
1320 BASIC_DEFUN_NAMED([FLAGS_LINKER_CHECK_ARGUMENTS],
1321 [*ARGUMENT IF_TRUE IF_FALSE], [$@],
1322 [
1323 AC_MSG_CHECKING([if linker supports "ARG_ARGUMENT"])
1324 supports=yes
1325
1326 saved_ldflags="$LDFLAGS"
1327 LDFLAGS="$LDFLAGS ARG_ARGUMENT"
1328 AC_LANG_PUSH([C])
1329 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
1330 [], [supports=no])
1331 AC_LANG_POP([C])
1332 LDFLAGS="$saved_ldflags"
1333
1334 AC_MSG_RESULT([$supports])
1335 if test "x$supports" = "xyes" ; then
1336 :
1337 ARG_IF_TRUE
1338 else
1339 :
1340 ARG_IF_FALSE
1341 fi
1342 ])
1343
1344 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
1345 [
1346 # Some Zero and Shark settings.
1347 # ZERO_ARCHFLAG tells the compiler which mode to build for
1348 case "${OPENJDK_TARGET_CPU}" in
1349 s390)
1350 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
1351 ;;
1352 *)
1353 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
1354 esac
1355 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$ZERO_ARCHFLAG], IF_FALSE: [ZERO_ARCHFLAG=""])
1356 AC_SUBST(ZERO_ARCHFLAG)
1357
1358 # Check that the compiler supports -mX (or -qX on AIX) flags
1359 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1360 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
1361 IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1362 IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1363 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1364
1365 AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
1366 [do not consider native warnings to be an error @<:@enabled@:>@])])
1367
1368 AC_MSG_CHECKING([if native warnings are errors])
1369 if test "x$enable_warnings_as_errors" = "xyes"; then
1370 AC_MSG_RESULT([yes (explicitely set)])
1371 WARNINGS_AS_ERRORS=true
1372 elif test "x$enable_warnings_as_errors" = "xno"; then
1373 AC_MSG_RESULT([no])
1374 WARNINGS_AS_ERRORS=false
1375 elif test "x$enable_warnings_as_errors" = "x"; then
1376 AC_MSG_RESULT([yes (default)])
1377 WARNINGS_AS_ERRORS=true
1378 else
1379 AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
1380 fi
1381
1382 if test "x$WARNINGS_AS_ERRORS" = "xfalse"; then
1383 # Set legacy hotspot variable
1384 HOTSPOT_SET_WARNINGS_AS_ERRORS="WARNINGS_ARE_ERRORS="
1385 else
1386 HOTSPOT_SET_WARNINGS_AS_ERRORS=""
1387 fi
1388
1389 AC_SUBST(WARNINGS_AS_ERRORS)
1390 AC_SUBST(HOTSPOT_SET_WARNINGS_AS_ERRORS)
1391
1392 case "${TOOLCHAIN_TYPE}" in
1393 microsoft)
1394 DISABLE_WARNING_PREFIX="-wd"
1395 CFLAGS_WARNINGS_ARE_ERRORS="-WX"
1396 ;;
1397 solstudio)
1398 DISABLE_WARNING_PREFIX="-erroff="
1399 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
1400 ;;
1401 gcc)
1402 # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
1403 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1404 IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true],
1405 IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false]
1406 )
1407 if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1408 DISABLE_WARNING_PREFIX="-Wno-"
1409 else
1410 DISABLE_WARNING_PREFIX=
1411 fi
1412 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1413 # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
1414 # CFLAGS since any target specific flags will likely not work with the
1415 # build compiler
1416 CC_OLD="$CC"
1417 CXX_OLD="$CXX"
1418 CC="$BUILD_CC"
1419 CXX="$BUILD_CXX"
1420 CFLAGS_OLD="$CFLAGS"
1421 CFLAGS=""
1422 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
1423 IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
1424 IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
1425 )
1426 if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then
1427 BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
1428 else
1429 BUILD_CC_DISABLE_WARNING_PREFIX=
1430 fi
1431 CC="$CC_OLD"
1432 CXX="$CXX_OLD"
1433 CFLAGS="$CFLAGS_OLD"
1434 ;;
1435 clang)
1436 DISABLE_WARNING_PREFIX="-Wno-"
1437 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
1438 ;;
1439 xlc)
1440 DISABLE_WARNING_PREFIX="-qsuppress="
1441 CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
1442 ;;
1443 esac
1444 AC_SUBST(DISABLE_WARNING_PREFIX)
1445 AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
1446 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
1447 ])
1448
1449 # FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX])
1450 # Arguments:
1451 # $1 - Optional prefix for each variable defined.
1452 AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
1453 [
1454 # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
1455 # runs afoul of the more aggressive versions of these optimisations.
1456 # Notably, value range propagation now assumes that the this pointer of C++
1457 # member functions is non-null.
1458 NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
1459 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
1460 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
1461 dnl IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
1462 NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
1463 dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
1464 dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
1465 dnl IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
1466 AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}])
1467 $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
1468 $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
1469 ])