1 #
2 # Copyright (c) 2011, 2014, 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 AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
27 [
28 # Option used to tell the compiler whether to create 32- or 64-bit executables
29 if test "x$TOOLCHAIN_TYPE" = xxlc; then
30 COMPILER_TARGET_BITS_FLAG="-q"
31 else
32 COMPILER_TARGET_BITS_FLAG="-m"
33 fi
34 AC_SUBST(COMPILER_TARGET_BITS_FLAG)
35
36 # FIXME: figure out if we should select AR flags depending on OS or toolchain.
37 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
38 ARFLAGS="-r"
39 elif test "x$OPENJDK_TARGET_OS" = xaix; then
40 ARFLAGS="-X64"
41 elif test "x$OPENJDK_TARGET_OS" = xwindows; then
42 # lib.exe is used as AR to create static libraries.
43 ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
44 else
45 ARFLAGS=""
46 fi
47 AC_SUBST(ARFLAGS)
48
49 ## Setup strip.
50 # FIXME: should this really be per platform, or should it be per toolchain type?
51 # strip is not provided by clang or solstudio; so guessing platform makes most sense.
52 # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
53 if test "x$OPENJDK_TARGET_OS" = xlinux; then
54 STRIPFLAGS="-g"
55 elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
56 STRIPFLAGS="-x"
57 elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
58 STRIPFLAGS="-S"
59 elif test "x$OPENJDK_TARGET_OS" = xaix; then
60 STRIPFLAGS="-X32_64"
61 fi
62
63 if test "x$OPENJDK_TARGET_OS" != xwindows; then
64 POST_STRIP_CMD="$STRIP $STRIPFLAGS"
65 fi
66 AC_SUBST(POST_STRIP_CMD)
67
68 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
69 # FIXME: break out into MCSFLAGS
70 POST_MCS_CMD="$MCS -d -a \"JDK $FULL_VERSION\""
71 fi
72 AC_SUBST(POST_MCS_CMD)
73
74 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
75 CC_OUT_OPTION=-Fo
76 EXE_OUT_OPTION=-out:
77 LD_OUT_OPTION=-out:
78 AR_OUT_OPTION=-out:
79 else
80 # The option used to specify the target .o,.a or .so file.
81 # When compiling, how to specify the to be created object file.
82 CC_OUT_OPTION='-o$(SPACE)'
83 # When linking, how to specify the to be created executable.
84 EXE_OUT_OPTION='-o$(SPACE)'
85 # When linking, how to specify the to be created dynamically linkable library.
86 LD_OUT_OPTION='-o$(SPACE)'
87 # When archiving, how to specify the to be create static archive for object files.
88 AR_OUT_OPTION='rcs$(SPACE)'
89 fi
90 AC_SUBST(CC_OUT_OPTION)
91 AC_SUBST(EXE_OUT_OPTION)
92 AC_SUBST(LD_OUT_OPTION)
93 AC_SUBST(AR_OUT_OPTION)
94
95 # On Windows, we need to set RC flags.
96 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
97 RC_FLAGS="-nologo -l 0x409 -r"
98 if test "x$VARIANT" = xOPT; then
99 RC_FLAGS="$RC_FLAGS -d NDEBUG"
100 fi
101
102 # The version variables used to create RC_FLAGS may be overridden
103 # in a custom configure script, or possibly the command line.
104 # Let those variables be expanded at make time in spec.gmk.
105 # The \$ are escaped to the shell, and the $(...) variables
106 # are evaluated by make.
107 RC_FLAGS="$RC_FLAGS \
108 -d \"JDK_BUILD_ID=\$(FULL_VERSION)\" \
109 -d \"JDK_COMPANY=\$(COMPANY_NAME)\" \
110 -d \"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
111 -d \"JDK_VER=\$(JDK_MINOR_VERSION).\$(JDK_MICRO_VERSION).\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0).\$(COOKED_BUILD_NUMBER)\" \
112 -d \"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
113 -d \"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(JDK_MINOR_VERSION) \$(JDK_UPDATE_META_TAG)\" \
114 -d \"JDK_FVER=\$(JDK_MINOR_VERSION),\$(JDK_MICRO_VERSION),\$(if \$(JDK_UPDATE_VERSION),\$(JDK_UPDATE_VERSION),0),\$(COOKED_BUILD_NUMBER)\""
115 fi
116 AC_SUBST(RC_FLAGS)
117
118 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
119 # FIXME: likely bug, should be CCXXFLAGS_JDK? or one for C or CXX.
120 CCXXFLAGS="$CCXXFLAGS -nologo"
121 fi
122
123 if test "x$SYSROOT" != "x"; then
124 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
125 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
126 # Solaris Studio does not have a concept of sysroot. Instead we must
127 # make sure the default include and lib dirs are appended to each
128 # compile and link command line.
129 SYSROOT_CFLAGS="-I$SYSROOT/usr/include"
130 SYSROOT_LDFLAGS="-L$SYSROOT/usr/lib$OPENJDK_TARGET_CPU_ISADIR \
131 -L$SYSROOT/lib$OPENJDK_TARGET_CPU_ISADIR"
132 fi
133 elif test "x$TOOLCHAIN_TYPE" = xgcc; then
134 SYSROOT_CFLAGS="--sysroot=\"$SYSROOT\""
135 SYSROOT_LDFLAGS="--sysroot=\"$SYSROOT\""
136 elif test "x$TOOLCHAIN_TYPE" = xclang; then
137 SYSROOT_CFLAGS="-isysroot \"$SYSROOT\""
138 SYSROOT_LDFLAGS="-isysroot \"$SYSROOT\""
139 fi
140 # Propagate the sysroot args to hotspot
141 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $SYSROOT_CFLAGS"
142 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $SYSROOT_CFLAGS"
143 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $SYSROOT_LDFLAGS"
144 fi
145 AC_SUBST(SYSROOT_CFLAGS)
146 AC_SUBST(SYSROOT_LDFLAGS)
147 ])
148
149 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
150 [
151 ###############################################################################
152 #
153 # How to compile shared libraries.
154 #
155
156 if test "x$TOOLCHAIN_TYPE" = xgcc; then
157 PICFLAG="-fPIC"
158 C_FLAG_REORDER=''
159 CXX_FLAG_REORDER=''
160
161 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
162 # Linking is different on MacOSX
163 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
164 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
165 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
166 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
167 SET_SHARED_LIBRARY_MAPFILE=''
168 else
169 # Default works for linux, might work on other platforms as well.
170 SHARED_LIBRARY_FLAGS='-shared'
171 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
172 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"
173 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
174 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
175 fi
176 elif test "x$TOOLCHAIN_TYPE" = xclang; then
177 PICFLAG=''
178 C_FLAG_REORDER=''
179 CXX_FLAG_REORDER=''
180
181 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
182 # Linking is different on MacOSX
183 SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
184 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker @loader_path/.'
185 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
186 SET_SHARED_LIBRARY_NAME='-Xlinker -install_name -Xlinker @rpath/[$]1'
187 SET_SHARED_LIBRARY_MAPFILE=''
188 else
189 # Default works for linux, might work on other platforms as well.
190 SHARED_LIBRARY_FLAGS='-shared'
191 SET_EXECUTABLE_ORIGIN='-Xlinker -rpath -Xlinker \$$$$ORIGIN[$]1'
192 SET_SHARED_LIBRARY_ORIGIN="-Xlinker -z -Xlinker origin $SET_EXECUTABLE_ORIGIN"
193 SET_SHARED_LIBRARY_NAME='-Xlinker -soname=[$]1'
194 SET_SHARED_LIBRARY_MAPFILE='-Xlinker -version-script=[$]1'
195 fi
196 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
197 PICFLAG="-KPIC"
198 C_FLAG_REORDER='-xF'
199 CXX_FLAG_REORDER='-xF'
200 SHARED_LIBRARY_FLAGS="-G"
201 SET_EXECUTABLE_ORIGIN='-R\$$$$ORIGIN[$]1'
202 SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
203 SET_SHARED_LIBRARY_NAME=''
204 SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
205 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
206 PICFLAG="-qpic=large"
207 C_FLAG_REORDER=''
208 CXX_FLAG_REORDER=''
209 SHARED_LIBRARY_FLAGS="-qmkshrobj"
210 SET_EXECUTABLE_ORIGIN=""
211 SET_SHARED_LIBRARY_ORIGIN=''
212 SET_SHARED_LIBRARY_NAME=''
213 SET_SHARED_LIBRARY_MAPFILE=''
214 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
215 PICFLAG=""
216 C_FLAG_REORDER=''
217 CXX_FLAG_REORDER=''
218 SHARED_LIBRARY_FLAGS="-LD"
219 SET_EXECUTABLE_ORIGIN=''
220 SET_SHARED_LIBRARY_ORIGIN=''
221 SET_SHARED_LIBRARY_NAME=''
222 SET_SHARED_LIBRARY_MAPFILE=''
223 fi
224
225 AC_SUBST(C_FLAG_REORDER)
226 AC_SUBST(CXX_FLAG_REORDER)
227 AC_SUBST(SHARED_LIBRARY_FLAGS)
228 AC_SUBST(SET_EXECUTABLE_ORIGIN)
229 AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
230 AC_SUBST(SET_SHARED_LIBRARY_NAME)
231 AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
232
233 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
234 CFLAGS_JDK="${CFLAGS_JDK} -D__solaris__"
235 CXXFLAGS_JDK="${CXXFLAGS_JDK} -D__solaris__"
236 CFLAGS_JDKLIB_EXTRA='-xstrconst'
237 fi
238 # The (cross) compiler is now configured, we can now test capabilities
239 # of the target platform.
240 ])
241
242 # Documentation on common flags used for solstudio in HIGHEST.
243 #
244 # WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
245 # done with care, there are some assumptions below that need to
246 # be understood about the use of pointers, and IEEE behavior.
247 #
248 # -fns: Use non-standard floating point mode (not IEEE 754)
249 # -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
250 # -fsingle: Use single precision floating point with 'float'
251 # -xalias_level=basic: Assume memory references via basic pointer types do not alias
252 # (Source with excessing pointer casting and data access with mixed
253 # pointer types are not recommended)
254 # -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
255 # (If you expect perfect errno behavior, do not use this)
256 # -xdepend: Loop data dependency optimizations (need -xO3 or higher)
257 # -xrestrict: Pointer parameters to functions do not overlap
258 # (Similar to -xalias_level=basic usage, but less obvious sometimes.
259 # If you pass in multiple pointers to the same data, do not use this)
260 # -xlibmil: Inline some library routines
261 # (If you expect perfect errno behavior, do not use this)
262 # -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
263 # (If you expect perfect errno behavior, do not use this)
264 # Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
265
266 # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
267 # Bug?
268 #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
269 # CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
270 # CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
271 #fi
272
273 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
274 [
275
276 ###############################################################################
277 #
278 # Setup the opt flags for different compilers
279 # and different operating systems.
280 #
281
282 # FIXME: this was indirectly the old default, but just inherited.
283 # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
284 # C_FLAG_DEPS="-MMD -MF"
285 # fi
286
287 # Generate make dependency files
288 if test "x$TOOLCHAIN_TYPE" = xgcc; then
289 C_FLAG_DEPS="-MMD -MF"
290 elif test "x$TOOLCHAIN_TYPE" = xclang; then
291 C_FLAG_DEPS="-MMD -MF"
292 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
293 C_FLAG_DEPS="-xMMD -xMF"
294 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
295 C_FLAG_DEPS="-qmakedep=gcc -MF"
296 fi
297 CXX_FLAG_DEPS="$C_FLAG_DEPS"
298 AC_SUBST(C_FLAG_DEPS)
299 AC_SUBST(CXX_FLAG_DEPS)
300
301 # Debug symbols
302 if test "x$TOOLCHAIN_TYPE" = xgcc; then
303 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
304 CFLAGS_DEBUG_SYMBOLS="-g1"
305 CXXFLAGS_DEBUG_SYMBOLS="-g1"
306 else
307 CFLAGS_DEBUG_SYMBOLS="-g"
308 CXXFLAGS_DEBUG_SYMBOLS="-g"
309 fi
310 elif test "x$TOOLCHAIN_TYPE" = xclang; then
311 CFLAGS_DEBUG_SYMBOLS="-g"
312 CXXFLAGS_DEBUG_SYMBOLS="-g"
313 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
314 CFLAGS_DEBUG_SYMBOLS="-g -xs"
315 CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
316 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
317 CFLAGS_DEBUG_SYMBOLS="-g"
318 CXXFLAGS_DEBUG_SYMBOLS="-g"
319 fi
320 AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
321 AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
322
323 # Optimization levels
324 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
325 CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
326
327 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
328 # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
329 C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
330 C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
331 C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
332 C_O_FLAG_NONE="-xregs=no%frameptr"
333 CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
334 CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
335 CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
336 CXX_O_FLAG_NONE="-xregs=no%frameptr"
337 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
338 C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
339 CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
340 fi
341 elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
342 C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
343 C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
344 C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
345 C_O_FLAG_NONE=""
346 CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
347 CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
348 CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
349 CXX_O_FLAG_NONE=""
350 fi
351 else
352 # The remaining toolchains share opt flags between CC and CXX;
353 # setup for C and duplicate afterwards.
354 if test "x$TOOLCHAIN_TYPE" = xgcc; then
355 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
356 # On MacOSX we optimize for size, something
357 # we should do for all platforms?
358 C_O_FLAG_HIGHEST="-Os"
359 C_O_FLAG_HI="-Os"
360 C_O_FLAG_NORM="-Os"
361 C_O_FLAG_NONE=""
362 else
363 C_O_FLAG_HIGHEST="-O3"
364 C_O_FLAG_HI="-O3"
365 C_O_FLAG_NORM="-O2"
366 C_O_FLAG_NONE="-O0"
367 fi
368 elif test "x$TOOLCHAIN_TYPE" = xclang; then
369 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
370 # On MacOSX we optimize for size, something
371 # we should do for all platforms?
372 C_O_FLAG_HIGHEST="-Os"
373 C_O_FLAG_HI="-Os"
374 C_O_FLAG_NORM="-Os"
375 C_O_FLAG_NONE=""
376 else
377 C_O_FLAG_HIGHEST="-O3"
378 C_O_FLAG_HI="-O3"
379 C_O_FLAG_NORM="-O2"
380 C_O_FLAG_NONE="-O0"
381 fi
382 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
383 C_O_FLAG_HIGHEST="-O3"
384 C_O_FLAG_HI="-O3 -qstrict"
385 C_O_FLAG_NORM="-O2"
386 C_O_FLAG_NONE=""
387 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
388 C_O_FLAG_HIGHEST="-O2"
389 C_O_FLAG_HI="-O1"
390 C_O_FLAG_NORM="-O1"
391 C_O_FLAG_NONE="-Od"
392 fi
393 CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
394 CXX_O_FLAG_HI="$C_O_FLAG_HI"
395 CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
396 CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
397 fi
398
399 AC_SUBST(C_O_FLAG_HIGHEST)
400 AC_SUBST(C_O_FLAG_HI)
401 AC_SUBST(C_O_FLAG_NORM)
402 AC_SUBST(C_O_FLAG_NONE)
403 AC_SUBST(CXX_O_FLAG_HIGHEST)
404 AC_SUBST(CXX_O_FLAG_HI)
405 AC_SUBST(CXX_O_FLAG_NORM)
406 AC_SUBST(CXX_O_FLAG_NONE)
407 ])
408
409 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
410 [
411 # Special extras...
412 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
413 if test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
414 CFLAGS_JDKLIB_EXTRA="${CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
415 CXXFLAGS_JDKLIB_EXTRA="${CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
416 fi
417 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
418 LDFLAGS_JDK="${LDFLAGS_JDK} -q64 -brtl -bnolibpath -liconv -bexpall"
419 CFLAGS_JDK="${CFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
420 CXXFLAGS_JDK="${CXXFLAGS_JDK} -qchars=signed -q64 -qfullpath -qsaveopt"
421 fi
422
423 if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
424 AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
425 fi
426
427 if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
428 AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
429 fi
430
431 if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
432 AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
433 fi
434
435 AC_ARG_WITH(extra-cflags, [AS_HELP_STRING([--with-extra-cflags],
436 [extra flags to be used when compiling jdk c-files])])
437
438 AC_ARG_WITH(extra-cxxflags, [AS_HELP_STRING([--with-extra-cxxflags],
439 [extra flags to be used when compiling jdk c++-files])])
440
441 AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
442 [extra flags to be used when linking jdk])])
443
444 CFLAGS_JDK="${CFLAGS_JDK} $with_extra_cflags"
445 CXXFLAGS_JDK="${CXXFLAGS_JDK} $with_extra_cxxflags"
446 LDFLAGS_JDK="${LDFLAGS_JDK} $with_extra_ldflags"
447
448 # Hotspot needs these set in their legacy form
449 LEGACY_EXTRA_CFLAGS="$LEGACY_EXTRA_CFLAGS $with_extra_cflags"
450 LEGACY_EXTRA_CXXFLAGS="$LEGACY_EXTRA_CXXFLAGS $with_extra_cxxflags"
451 LEGACY_EXTRA_LDFLAGS="$LEGACY_EXTRA_LDFLAGS $with_extra_ldflags"
452
453 AC_SUBST(LEGACY_EXTRA_CFLAGS)
454 AC_SUBST(LEGACY_EXTRA_CXXFLAGS)
455 AC_SUBST(LEGACY_EXTRA_LDFLAGS)
456
457 ###############################################################################
458 #
459 # Now setup the CFLAGS and LDFLAGS for the JDK build.
460 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
461 #
462
463 # Setup compiler/platform specific flags to CFLAGS_JDK,
464 # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?)
465 if test "x$TOOLCHAIN_TYPE" = xgcc; then
466 # these options are used for both C and C++ compiles
467 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
468 -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
469 case $OPENJDK_TARGET_CPU_ARCH in
470 arm )
471 # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
472 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
473 ;;
474 ppc )
475 # on ppc we don't prevent gcc to omit frame pointer nor strict-aliasing
476 ;;
477 * )
478 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer"
479 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing"
480 ;;
481 esac
482 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
483 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
484 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then
485 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB"
486 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE"
487 fi
488
489 CFLAGS_JDK="$CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
490 CXXFLAGS_JDK="$CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
491 elif test "x$TOOLCHAIN_TYPE" = xxlc; then
492 CFLAGS_JDK="$CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
493 CXXFLAGS_JDK="$CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
494 elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
495 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Zi -MD -Zc:wchar_t- -W3 -wd4800 \
496 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB -DWIN32_LEAN_AND_MEAN \
497 -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
498 -DWIN32 -DIAL"
499 if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
500 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_AMD64_ -Damd64"
501 else
502 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_X86_ -Dx86"
503 fi
504 fi
505
506 ###############################################################################
507
508 # Adjust flags according to debug level.
509 case $DEBUG_LEVEL in
510 fastdebug )
511 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
512 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
513 C_O_FLAG_HI="$C_O_FLAG_NORM"
514 C_O_FLAG_NORM="$C_O_FLAG_NORM"
515 CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
516 CXX_O_FLAG_NORM="$CXX_O_FLAG_NORM"
517 JAVAC_FLAGS="$JAVAC_FLAGS -g"
518 ;;
519 slowdebug )
520 CFLAGS_JDK="$CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS"
521 CXXFLAGS_JDK="$CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS"
522 C_O_FLAG_HI="$C_O_FLAG_NONE"
523 C_O_FLAG_NORM="$C_O_FLAG_NONE"
524 CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
525 CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
526 JAVAC_FLAGS="$JAVAC_FLAGS -g"
527 ;;
528 esac
529
530 # Setup LP64
531 CCXXFLAGS_JDK="$CCXXFLAGS_JDK $ADD_LP64"
532
533 # Set some common defines. These works for all compilers, but assume
534 # -D is universally accepted.
535
536 # Setup endianness
537 if test "x$OPENJDK_TARGET_CPU_ENDIAN" = xlittle; then
538 # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
539 # Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
540 # (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
541 # Note: -Dmacro is the same as #define macro 1
542 # -Dmacro= is the same as #define macro
543 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
544 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
545 else
546 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
547 fi
548 else
549 # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
550 # are defined in the system?
551 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
552 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN="
553 else
554 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_BIG_ENDIAN"
555 fi
556 fi
557
558 # Setup target OS define. Use OS target name but in upper case.
559 OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
560 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
561
562 # Setup target CPU
563 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DARCH='\"$OPENJDK_TARGET_CPU_LEGACY\"' -D$OPENJDK_TARGET_CPU_LEGACY"
564
565 # Setup debug/release defines
566 if test "x$DEBUG_LEVEL" = xrelease; then
567 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DNDEBUG"
568 if test "x$OPENJDK_TARGET_OS" = xsolaris; then
569 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DTRIMMED"
570 fi
571 else
572 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DDEBUG"
573 fi
574
575 # Setup release name
576 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DRELEASE='\"\$(RELEASE)\"'"
577
578
579 # Set some additional per-OS defines.
580 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
581 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
582 elif test "x$OPENJDK_TARGET_OS" = xaix; then
583 # FIXME: PPC64 should not be here.
584 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DPPC64"
585 elif test "x$OPENJDK_TARGET_OS" = xbsd; then
586 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
587 fi
588
589 # Additional macosx handling
590 if test "x$OPENJDK_TARGET_OS" = xmacosx; then
591 if test "x$TOOLCHAIN_TYPE" = xgcc; then
592 # FIXME: This needs to be exported in spec.gmk due to closed legacy code.
593 # FIXME: clean this up, and/or move it elsewhere.
594
595 # Setting these parameters makes it an error to link to macosx APIs that are
596 # newer than the given OS version and makes the linked binaries compatible
597 # even if built on a newer version of the OS.
598 # The expected format is X.Y.Z
599 MACOSX_VERSION_MIN=10.7.0
600 AC_SUBST(MACOSX_VERSION_MIN)
601
602 # The macro takes the version with no dots, ex: 1070
603 # Let the flags variables get resolved in make for easier override on make
604 # command line.
605 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MIN)) -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
606 LDFLAGS_JDK="$LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
607 fi
608 fi
609
610 # Setup some hard coded includes
611 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \
612 -I${JDK_OUTPUTDIR}/include \
613 -I${JDK_OUTPUTDIR}/include/$OPENJDK_TARGET_OS \
614 -I${JDK_TOPDIR}/src/share/javavm/export \
615 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_EXPORT_DIR/javavm/export \
616 -I${JDK_TOPDIR}/src/share/native/common \
617 -I${JDK_TOPDIR}/src/$OPENJDK_TARGET_OS_API_DIR/native/common"
618
619 # The shared libraries are compiled using the picflag.
620 CFLAGS_JDKLIB="$CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
621 CXXFLAGS_JDKLIB="$CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA "
622
623 # Executable flags
624 CFLAGS_JDKEXE="$CCXXFLAGS_JDK $CFLAGS_JDK"
625 CXXFLAGS_JDKEXE="$CCXXFLAGS_JDK $CXXFLAGS_JDK"
626
627 AC_SUBST(CFLAGS_JDKLIB)
628 AC_SUBST(CFLAGS_JDKEXE)
629 AC_SUBST(CXXFLAGS_JDKLIB)
630 AC_SUBST(CXXFLAGS_JDKEXE)
631
632 # Setup LDFLAGS et al.
633 #
634 # Now this is odd. The JDK native libraries have to link against libjvm.so
635 # On 32-bit machines there is normally two distinct libjvm.so:s, client and server.
636 # Which should we link to? Are we lucky enough that the binary api to the libjvm.so library
637 # is identical for client and server? Yes. Which is picked at runtime (client or server)?
638 # Neither, since the chosen libjvm.so has already been loaded by the launcher, all the following
639 # libraries will link to whatever is in memory. Yuck.
640 #
641 # Thus we offer the compiler to find libjvm.so first in server then in client. It works. Ugh.
642 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
643 LDFLAGS_JDK="$LDFLAGS_JDK -nologo -opt:ref -incremental:no"
644 if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
645 LDFLAGS_JDK="$LDFLAGS_JDK -safeseh"
646 fi
647 # TODO: make -debug optional "--disable-full-debug-symbols"
648 LDFLAGS_JDK="$LDFLAGS_JDK -debug"
649 LDFLAGS_JDKLIB="${LDFLAGS_JDK} -dll -libpath:${JDK_OUTPUTDIR}/lib"
650 LDFLAGS_JDKLIB_SUFFIX=""
651 if test "x$OPENJDK_TARGET_CPU_BITS" = "x64"; then
652 LDFLAGS_STACK_SIZE=1048576
653 else
654 LDFLAGS_STACK_SIZE=327680
655 fi
656 LDFLAGS_JDKEXE="${LDFLAGS_JDK} /STACK:$LDFLAGS_STACK_SIZE"
657 else
658 if test "x$TOOLCHAIN_TYPE" = xgcc; then
659 # If this is a --hash-style=gnu system, use --hash-style=both, why?
660 # We have previously set HAS_GNU_HASH if this is the case
661 if test -n "$HAS_GNU_HASH"; then
662 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker --hash-style=both "
663 fi
664 if test "x$OPENJDK_TARGET_OS" = xlinux; then
665 # And since we now know that the linker is gnu, then add -z defs, to forbid
666 # undefined symbols in object files.
667 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -z -Xlinker defs"
668 if test "x$DEBUG_LEVEL" = "xrelease"; then
669 # When building release libraries, tell the linker optimize them.
670 # Should this be supplied to the OSS linker as well?
671 LDFLAGS_JDK="${LDFLAGS_JDK} -Xlinker -O1"
672 fi
673 fi
674 fi
675
676 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
677 LDFLAGS_JDK="$LDFLAGS_JDK -z defs -xildoff -ztext"
678 LDFLAGS_CXX_JDK="$LDFLAGS_CXX_JDK -norunpath -xnolib"
679 fi
680
681 LDFLAGS_JDKLIB="${LDFLAGS_JDK} $SHARED_LIBRARY_FLAGS \
682 -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}"
683
684 # On some platforms (mac) the linker warns about non existing -L dirs.
685 # Add server first if available. Linking aginst client does not always produce the same results.
686 # Only add client dir if client is being built. Add minimal (note not minimal1) if only building minimal1.
687 # Default to server for other variants.
688 if test "x$JVM_VARIANT_SERVER" = xtrue; then
689 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
690 elif test "x$JVM_VARIANT_CLIENT" = xtrue; then
691 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/client"
692 elif test "x$JVM_VARIANT_MINIMAL1" = xtrue; then
693 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/minimal"
694 else
695 LDFLAGS_JDKLIB="${LDFLAGS_JDKLIB} -L${JDK_OUTPUTDIR}/lib${OPENJDK_TARGET_CPU_LIBDIR}/server"
696 fi
697
698 LDFLAGS_JDKLIB_SUFFIX="-ljava -ljvm"
699 if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
700 LDFLAGS_JDKLIB_SUFFIX="$LDFLAGS_JDKLIB_SUFFIX -lc"
701 fi
702
703 LDFLAGS_JDKEXE="${LDFLAGS_JDK}"
704 if test "x$OPENJDK_TARGET_OS" = xlinux; then
705 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE -Xlinker --allow-shlib-undefined"
706 fi
707 fi
708 AC_SUBST(LDFLAGS_JDKLIB)
709 AC_SUBST(LDFLAGS_JDKEXE)
710 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
711 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
712 AC_SUBST(LDFLAGS_CXX_JDK)
713 ])
714
715
716 # FLAGS_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
717 # [RUN-IF-FALSE])
718 # ------------------------------------------------------------
719 # Check that the c and c++ compilers support an argument
720 AC_DEFUN([FLAGS_COMPILER_CHECK_ARGUMENTS],
721 [
722 AC_MSG_CHECKING([if compiler supports "$1"])
723 supports=yes
724
725 saved_cflags="$CFLAGS"
726 CFLAGS="$CFLAGS $1"
727 AC_LANG_PUSH([C])
728 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
729 [supports=no])
730 AC_LANG_POP([C])
731 CFLAGS="$saved_cflags"
732
733 saved_cxxflags="$CXXFLAGS"
734 CXXFLAGS="$CXXFLAG $1"
735 AC_LANG_PUSH([C++])
736 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
737 [supports=no])
738 AC_LANG_POP([C++])
739 CXXFLAGS="$saved_cxxflags"
740
741 AC_MSG_RESULT([$supports])
742 if test "x$supports" = "xyes" ; then
743 m4_ifval([$2], [$2], [:])
744 else
745 m4_ifval([$3], [$3], [:])
746 fi
747 ])
748
749 AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
750 [
751 # Some Zero and Shark settings.
752 # ZERO_ARCHFLAG tells the compiler which mode to build for
753 case "${OPENJDK_TARGET_CPU}" in
754 s390)
755 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}31"
756 ;;
757 *)
758 ZERO_ARCHFLAG="${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
759 esac
760 FLAGS_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
761 AC_SUBST(ZERO_ARCHFLAG)
762
763 # Check that the compiler supports -mX (or -qX on AIX) flags
764 # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
765 FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
766 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
767 [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
768 AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
769
770 case "${TOOLCHAIN_TYPE}" in
771 microsoft)
772 CFLAGS_WARNINGS_ARE_ERRORS="/WX"
773 ;;
774 solstudio)
775 CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
776 ;;
777 gcc)
778 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
779 ;;
780 clang)
781 CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
782 ;;
783 esac
784 AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
785 ])