1 #
2 # Copyright (c) 2011, 2025, 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 ################################################################################
27 # Set the debug level
28 # release: no debug information, all optimizations, no asserts.
29 # optimized: no debug information, all optimizations, no asserts, HotSpot target is 'optimized'.
30 # fastdebug: debug information (-g), all optimizations, all asserts
31 # slowdebug: debug information (-g), no optimizations, all asserts
32 AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_LEVEL],
33 [
34 DEBUG_LEVEL="release"
35
36 UTIL_ARG_ENABLE(NAME: debug, DEFAULT: false, RESULT: ENABLE_DEBUG,
37 DESC: [enable debugging (shorthand for --with-debug-level=fastdebug)],
38 IF_ENABLED: [ DEBUG_LEVEL="fastdebug" ])
39
40 AC_MSG_CHECKING([which debug level to use])
41 AC_ARG_WITH([debug-level], [AS_HELP_STRING([--with-debug-level],
42 [set the debug level (release, fastdebug, slowdebug, optimized) @<:@release@:>@])],
43 [
44 DEBUG_LEVEL="${withval}"
45 if test "x$ENABLE_DEBUG" = xtrue; then
46 AC_MSG_ERROR([You cannot use both --enable-debug and --with-debug-level at the same time.])
47 fi
48 ])
49 AC_MSG_RESULT([$DEBUG_LEVEL])
50
51 if test "x$DEBUG_LEVEL" != xrelease && \
52 test "x$DEBUG_LEVEL" != xoptimized && \
53 test "x$DEBUG_LEVEL" != xfastdebug && \
54 test "x$DEBUG_LEVEL" != xslowdebug; then
55 AC_MSG_ERROR([Allowed debug levels are: release, fastdebug, slowdebug and optimized])
56 fi
57
58 # Translate DEBUG_LEVEL to debug level used by Hotspot
59 HOTSPOT_DEBUG_LEVEL="$DEBUG_LEVEL"
60 if test "x$DEBUG_LEVEL" = xrelease; then
61 HOTSPOT_DEBUG_LEVEL="product"
62 elif test "x$DEBUG_LEVEL" = xslowdebug; then
63 HOTSPOT_DEBUG_LEVEL="debug"
64 fi
65
66 if test "x$DEBUG_LEVEL" = xoptimized; then
67 # The debug level 'optimized' is a little special because it is currently only
68 # applicable to the HotSpot build where it means to build a completely
69 # optimized version of the VM without any debugging code (like for the
70 # 'release' debug level which is called 'product' in the HotSpot build) but
71 # with the exception that it can contain additional code which is otherwise
72 # protected by '#ifndef PRODUCT' macros. These 'optimized' builds are used to
73 # test new and/or experimental features which are not intended for customer
74 # shipment. Because these new features need to be tested and benchmarked in
75 # real world scenarios, we want to build the containing JDK at the 'release'
76 # debug level.
77 DEBUG_LEVEL="release"
78 fi
79
80 AC_SUBST(HOTSPOT_DEBUG_LEVEL)
81 AC_SUBST(DEBUG_LEVEL)
82 ])
83
84 ################################################################################
85 #
86 # Should we build only OpenJDK even if closed sources are present?
87 #
88 AC_DEFUN_ONCE([JDKOPT_SETUP_OPEN_OR_CUSTOM],
89 [
90 UTIL_ARG_ENABLE(NAME: openjdk-only, DEFAULT: false,
91 RESULT: SUPPRESS_CUSTOM_EXTENSIONS,
92 DESC: [suppress building custom source even if present],
93 CHECKING_MSG: [if custom source is suppressed (openjdk-only)])
94 ])
95
96 AC_DEFUN_ONCE([JDKOPT_SETUP_JDK_OPTIONS],
97 [
98 # Should we build a JDK without a graphical UI?
99 UTIL_ARG_ENABLE(NAME: headless-only, DEFAULT: false,
100 RESULT: ENABLE_HEADLESS_ONLY,
101 DESC: [only build headless (no GUI) support],
102 CHECKING_MSG: [if we should build headless-only (no GUI)])
103 AC_SUBST(ENABLE_HEADLESS_ONLY)
104
105 # should we linktime gc unused code sections in the JDK build ?
106 if test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = xs390x; then
107 LINKTIME_GC_DEFAULT=true
108 else
109 LINKTIME_GC_DEFAULT=false
110 fi
111
112 UTIL_ARG_ENABLE(NAME: linktime-gc, DEFAULT: $LINKTIME_GC_DEFAULT,
113 DEFAULT_DESC: [auto], RESULT: ENABLE_LINKTIME_GC,
114 DESC: [use link time gc on unused code sections in the JDK build],
115 CHECKING_MSG: [if linker should clean out unused code (linktime-gc)])
116 AC_SUBST(ENABLE_LINKTIME_GC)
117
118 # Check for full doc dependencies
119 FULL_DOCS_AVAILABLE=true
120 AC_MSG_CHECKING([for graphviz dot])
121 if test "x$DOT" != "x"; then
122 AC_MSG_RESULT([yes])
123 else
124 AC_MSG_RESULT([no, cannot generate full docs or man pages])
125 FULL_DOCS_AVAILABLE=false
126 fi
127
128 AC_MSG_CHECKING([for pandoc])
129 if test "x$ENABLE_PANDOC" = "xtrue"; then
130 AC_MSG_RESULT([yes])
131 else
132 AC_MSG_RESULT([no, cannot generate full docs or man pages])
133 FULL_DOCS_AVAILABLE=false
134 fi
135
136 # Should we build the complete docs, or just a lightweight version?
137 UTIL_ARG_ENABLE(NAME: full-docs, DEFAULT: auto, RESULT: ENABLE_FULL_DOCS,
138 AVAILABLE: $FULL_DOCS_AVAILABLE, DESC: [build complete documentation],
139 DEFAULT_DESC: [enabled if all tools found])
140 AC_SUBST(ENABLE_FULL_DOCS)
141
142 # Choose cacerts source file
143 AC_ARG_WITH(cacerts-file, [AS_HELP_STRING([--with-cacerts-file],
144 [specify alternative cacerts file])])
145 AC_MSG_CHECKING([for cacerts file])
146 if test "x$with_cacerts_file" == x; then
147 AC_MSG_RESULT([default])
148 else
149 CACERTS_FILE=$with_cacerts_file
150 if test ! -f "$CACERTS_FILE"; then
151 AC_MSG_RESULT([fail])
152 AC_MSG_ERROR([Specified cacerts file "$CACERTS_FILE" does not exist])
153 fi
154 AC_MSG_RESULT([$CACERTS_FILE])
155 fi
156 AC_SUBST(CACERTS_FILE)
157
158 # Choose cacerts source folder for user provided PEM files
159 AC_ARG_WITH(cacerts-src, [AS_HELP_STRING([--with-cacerts-src],
160 [specify alternative cacerts source folder containing certificates])])
161 CACERTS_SRC=""
162 AC_MSG_CHECKING([for cacerts source])
163 if test "x$with_cacerts_src" == x; then
164 AC_MSG_RESULT([default])
165 else
166 CACERTS_SRC=$with_cacerts_src
167 if test ! -d "$CACERTS_SRC"; then
168 AC_MSG_RESULT([fail])
169 AC_MSG_ERROR([Specified cacerts source folder "$CACERTS_SRC" does not exist])
170 fi
171 AC_MSG_RESULT([$CACERTS_SRC])
172 fi
173 AC_SUBST(CACERTS_SRC)
174
175 # Enable or disable unlimited crypto
176 UTIL_ARG_ENABLE(NAME: unlimited-crypto, DEFAULT: true, RESULT: UNLIMITED_CRYPTO,
177 DESC: [enable unlimited crypto policy])
178 AC_SUBST(UNLIMITED_CRYPTO)
179
180 # Should we build the serviceability agent (SA)?
181 INCLUDE_SA=true
182 if HOTSPOT_CHECK_JVM_VARIANT(zero); then
183 INCLUDE_SA=false
184 fi
185 if test "x$OPENJDK_TARGET_OS" = xaix ; then
186 INCLUDE_SA=false
187 fi
188 if test "x$OPENJDK_TARGET_CPU" = xs390x ; then
189 INCLUDE_SA=false
190 fi
191 AC_SUBST(INCLUDE_SA)
192
193 # Setup default CDS alignment. On platforms where one build may run on machines with different
194 # page sizes, the JVM choses a compatible alignment to fit all possible page sizes. This slightly
195 # increases archive size.
196 # The only platform having this problem at the moment is Linux on aarch64, which may encounter
197 # three different page sizes: 4K, 64K, and if run on Mac m1 hardware, 16K.
198 COMPATIBLE_CDS_ALIGNMENT_DEFAULT=false
199 if test "x$OPENJDK_TARGET_OS" = "xlinux" && test "x$OPENJDK_TARGET_CPU" = "xaarch64"; then
200 COMPATIBLE_CDS_ALIGNMENT_DEFAULT=auto
201 fi
202
203 # Compress jars
204 COMPRESS_JARS=false
205
206 AC_SUBST(COMPRESS_JARS)
207
208 # Setup default copyright year. Mostly overridden when building close to a new year.
209 AC_ARG_WITH(copyright-year, [AS_HELP_STRING([--with-copyright-year],
210 [Set copyright year value for build @<:@current year/source-date@:>@])])
211 if test "x$with_copyright_year" = xyes; then
212 AC_MSG_ERROR([Copyright year must have a value])
213 elif test "x$with_copyright_year" != x; then
214 COPYRIGHT_YEAR="$with_copyright_year"
215 elif test "x$SOURCE_DATE" != xupdated; then
216 if test "x$IS_GNU_DATE" = xyes; then
217 COPYRIGHT_YEAR=`$DATE --date=@$SOURCE_DATE +%Y`
218 else
219 COPYRIGHT_YEAR=`$DATE -j -f %s $SOURCE_DATE +%Y`
220 fi
221 else
222 COPYRIGHT_YEAR=`$DATE +'%Y'`
223 fi
224 AC_SUBST(COPYRIGHT_YEAR)
225
226 # Override default library path
227 AC_ARG_WITH([jni-libpath], [AS_HELP_STRING([--with-jni-libpath],
228 [override default JNI library search path])])
229 AC_MSG_CHECKING([for jni library path])
230 if test "x${with_jni_libpath}" = "x" || test "x${with_jni_libpath}" = "xno"; then
231 AC_MSG_RESULT([default])
232 elif test "x${with_jni_libpath}" = "xyes"; then
233 AC_MSG_RESULT([invalid])
234 AC_MSG_ERROR([The --with-jni-libpath option requires an argument.])
235 else
236 HOTSPOT_OVERRIDE_LIBPATH=${with_jni_libpath}
237 if test "x$OPENJDK_TARGET_OS" != "xlinux" &&
238 test "x$OPENJDK_TARGET_OS" != "xbsd" &&
239 test "x$OPENJDK_TARGET_OS" != "xaix"; then
240 AC_MSG_RESULT([fail])
241 AC_MSG_ERROR([Overriding JNI library path is supported only on Linux, BSD and AIX.])
242 fi
243 AC_MSG_RESULT(${HOTSPOT_OVERRIDE_LIBPATH})
244 fi
245 AC_SUBST(HOTSPOT_OVERRIDE_LIBPATH)
246
247 ])
248
249 ################################################################################
250
251 AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_SYMBOLS],
252 [
253 #
254 # Native debug symbols.
255 # This must be done after the toolchain is setup, since we're looking at objcopy.
256 #
257 AC_MSG_CHECKING([what type of native debug symbols to use])
258 AC_ARG_WITH([native-debug-symbols],
259 [AS_HELP_STRING([--with-native-debug-symbols],
260 [set the native debug symbol configuration (none, internal, external, zipped) @<:@varying@:>@])],
261 [
262 if test "x$OPENJDK_TARGET_OS" = xwindows; then
263 if test "x$withval" = xinternal; then
264 AC_MSG_ERROR([Windows does not support the parameter 'internal' for --with-native-debug-symbols])
265 fi
266 fi
267 ],
268 [
269 with_native_debug_symbols="external"
270 ])
271 AC_MSG_RESULT([$with_native_debug_symbols])
272
273 if test "x$with_native_debug_symbols" = xnone; then
274 COMPILE_WITH_DEBUG_SYMBOLS=false
275 COPY_DEBUG_SYMBOLS=false
276 ZIP_EXTERNAL_DEBUG_SYMBOLS=false
277 elif test "x$with_native_debug_symbols" = xinternal; then
278 COMPILE_WITH_DEBUG_SYMBOLS=true
279 COPY_DEBUG_SYMBOLS=false
280 ZIP_EXTERNAL_DEBUG_SYMBOLS=false
281 elif test "x$with_native_debug_symbols" = xexternal; then
282
283 if test "x$OPENJDK_TARGET_OS" = xlinux; then
284 if test "x$OBJCOPY" = x; then
285 # enabling of enable-debug-symbols and can't find objcopy
286 # this is an error
287 AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])
288 fi
289 fi
290
291 COMPILE_WITH_DEBUG_SYMBOLS=true
292 COPY_DEBUG_SYMBOLS=true
293 ZIP_EXTERNAL_DEBUG_SYMBOLS=false
294 elif test "x$with_native_debug_symbols" = xzipped; then
295
296 if test "x$OPENJDK_TARGET_OS" = xlinux; then
297 if test "x$OBJCOPY" = x; then
298 # enabling of enable-debug-symbols and can't find objcopy
299 # this is an error
300 AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])
301 fi
302 fi
303
304 COMPILE_WITH_DEBUG_SYMBOLS=true
305 COPY_DEBUG_SYMBOLS=true
306 ZIP_EXTERNAL_DEBUG_SYMBOLS=true
307 else
308 AC_MSG_ERROR([Allowed native debug symbols are: none, internal, external, zipped])
309 fi
310
311 AC_SUBST(COMPILE_WITH_DEBUG_SYMBOLS)
312 AC_SUBST(COPY_DEBUG_SYMBOLS)
313 AC_SUBST(ZIP_EXTERNAL_DEBUG_SYMBOLS)
314
315 # Should we add external native debug symbols to the shipped bundles?
316 AC_MSG_CHECKING([if we should add external native debug symbols to the shipped bundles])
317 AC_ARG_WITH([external-symbols-in-bundles],
318 [AS_HELP_STRING([--with-external-symbols-in-bundles],
319 [which type of external native debug symbol information shall be shipped in product bundles (none, public, full)
320 (e.g. ship full/stripped pdbs on Windows) @<:@none@:>@])])
321
322 if test "x$with_external_symbols_in_bundles" = x || test "x$with_external_symbols_in_bundles" = xnone ; then
323 AC_MSG_RESULT([no])
324 elif test "x$with_external_symbols_in_bundles" = xfull || test "x$with_external_symbols_in_bundles" = xpublic ; then
325 if test "x$OPENJDK_TARGET_OS" != xwindows ; then
326 AC_MSG_ERROR([--with-external-symbols-in-bundles currently only works on windows!])
327 elif test "x$COPY_DEBUG_SYMBOLS" != xtrue ; then
328 AC_MSG_ERROR([--with-external-symbols-in-bundles only works when --with-native-debug-symbols=external is used!])
329 elif test "x$with_external_symbols_in_bundles" = xfull ; then
330 AC_MSG_RESULT([full])
331 SHIP_DEBUG_SYMBOLS=full
332 else
333 AC_MSG_RESULT([public])
334 SHIP_DEBUG_SYMBOLS=public
335 fi
336 else
337 AC_MSG_ERROR([$with_external_symbols_in_bundles is an unknown value for --with-external-symbols-in-bundles])
338 fi
339
340 AC_SUBST(SHIP_DEBUG_SYMBOLS)
341 ])
342
343 ################################################################################
344 #
345 # Native and Java code coverage
346 #
347 AC_DEFUN_ONCE([JDKOPT_SETUP_CODE_COVERAGE],
348 [
349 UTIL_ARG_ENABLE(NAME: native-coverage, DEFAULT: false, RESULT: GCOV_ENABLED,
350 DESC: [enable native compilation with code coverage data],
351 CHECK_AVAILABLE: [
352 AC_MSG_CHECKING([if native coverage is available])
353 if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
354 test "x$TOOLCHAIN_TYPE" = "xclang"; then
355 AC_MSG_RESULT([yes])
356 else
357 AC_MSG_RESULT([no])
358 AVAILABLE=false
359 fi
360 ],
361 IF_ENABLED: [
362 GCOV_CFLAGS="-fprofile-arcs -ftest-coverage -fno-inline"
363 GCOV_LDFLAGS="-fprofile-arcs"
364 JVM_CFLAGS="$JVM_CFLAGS $GCOV_CFLAGS"
365 JVM_LDFLAGS="$JVM_LDFLAGS $GCOV_LDFLAGS"
366 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $GCOV_CFLAGS"
367 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $GCOV_CFLAGS"
368 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $GCOV_CFLAGS"
369 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $GCOV_CFLAGS"
370 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $GCOV_LDFLAGS"
371 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $GCOV_LDFLAGS"
372 LDFLAGS_STATIC_JDK="$LDFLAGS_STATIC_JDK $GCOV_LDFLAGS"
373 ])
374 AC_SUBST(GCOV_ENABLED)
375
376 AC_ARG_WITH(jcov, [AS_HELP_STRING([--with-jcov],
377 [jcov library location])])
378 AC_ARG_WITH(jcov-input-jdk, [AS_HELP_STRING([--with-jcov-input-jdk],
379 [jdk image to instrument])])
380 AC_ARG_WITH(jcov-filters, [AS_HELP_STRING([--with-jcov-filters],
381 [filters to limit code for jcov instrumentation and report generation])])
382 JCOV_HOME=
383 JCOV_INPUT_JDK=
384 JCOV_ENABLED=
385 JCOV_FILTERS=
386 if test "x$with_jcov" = "x" ; then
387 JCOV_ENABLED="false"
388 else
389 JCOV_HOME="$with_jcov"
390 if test ! -f "$JCOV_HOME/lib/jcov.jar"; then
391 AC_MSG_RESULT([fail])
392 AC_MSG_ERROR([Invalid JCov bundle: "$JCOV_HOME/lib/jcov.jar" does not exist])
393 fi
394 JCOV_ENABLED="true"
395 UTIL_FIXUP_PATH(JCOV_HOME)
396 if test "x$with_jcov_input_jdk" != "x" ; then
397 JCOV_INPUT_JDK="$with_jcov_input_jdk"
398 if test ! -f "$JCOV_INPUT_JDK/bin/java" && test ! -f "$JCOV_INPUT_JDK/bin/java.exe"; then
399 AC_MSG_RESULT([fail])
400 AC_MSG_ERROR([Invalid JDK bundle: "$JCOV_INPUT_JDK/bin/java" does not exist])
401 fi
402 UTIL_FIXUP_PATH(JCOV_INPUT_JDK)
403 fi
404 if test "x$with_jcov_filters" != "x" ; then
405 JCOV_FILTERS="$with_jcov_filters"
406 fi
407 fi
408 AC_SUBST(JCOV_ENABLED)
409 AC_SUBST(JCOV_HOME)
410 AC_SUBST(JCOV_INPUT_JDK)
411 AC_SUBST(JCOV_FILTERS)
412 ])
413
414 ################################################################################
415 #
416 # AddressSanitizer
417 #
418 AC_DEFUN_ONCE([JDKOPT_SETUP_ADDRESS_SANITIZER],
419 [
420 UTIL_ARG_ENABLE(NAME: asan, DEFAULT: false, RESULT: ASAN_ENABLED,
421 DESC: [enable AddressSanitizer],
422 CHECK_AVAILABLE: [
423 AC_MSG_CHECKING([if AddressSanitizer (asan) is available])
424 if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
425 test "x$TOOLCHAIN_TYPE" = "xclang" ||
426 test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
427 AC_MSG_RESULT([yes])
428 else
429 AC_MSG_RESULT([no])
430 AVAILABLE=false
431 fi
432 ],
433 IF_ENABLED: [
434 if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
435 test "x$TOOLCHAIN_TYPE" = "xclang"; then
436 # ASan is simply incompatible with gcc -Wstringop-truncation. See
437 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85650
438 # It's harmless to be suppressed in clang as well.
439 ASAN_CFLAGS="-fsanitize=address -Wno-stringop-truncation -fno-omit-frame-pointer -fno-common -DADDRESS_SANITIZER"
440 ASAN_LDFLAGS="-fsanitize=address"
441 # detect_stack_use_after_return causes ASAN to offload stack-local
442 # variables to c-heap and therefore breaks assumptions in hotspot
443 # that rely on data (e.g. Marks) living in thread stacks.
444 if test "x$TOOLCHAIN_TYPE" = "xgcc"; then
445 ASAN_CFLAGS="$ASAN_CFLAGS --param asan-use-after-return=0"
446 fi
447 if test "x$TOOLCHAIN_TYPE" = "xclang"; then
448 ASAN_CFLAGS="$ASAN_CFLAGS -fsanitize-address-use-after-return=never"
449 ASAN_LDFLAGS="$ASAN_LDFLAGS -shared-libasan"
450 fi
451 elif test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
452 # -Oy- is equivalent to -fno-omit-frame-pointer in GCC/Clang.
453 ASAN_CFLAGS="-fsanitize=address -Oy- -DADDRESS_SANITIZER"
454 # MSVC produces a warning if you pass -fsanitize=address to the linker. It also complains
455 $ if -DEBUG is not passed to the linker when building with ASan.
456 ASAN_LDFLAGS="-debug"
457 # -fsanitize-address-use-after-return is off by default in MS Visual Studio 22 (19.37.32824).
458 # cl : Command line warning D9002 : ignoring unknown option '-fno-sanitize-address-use-after-return'
459 fi
460 JVM_CFLAGS="$JVM_CFLAGS $ASAN_CFLAGS"
461 JVM_LDFLAGS="$JVM_LDFLAGS $ASAN_LDFLAGS"
462 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $ASAN_CFLAGS"
463 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $ASAN_CFLAGS"
464 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $ASAN_CFLAGS"
465 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $ASAN_CFLAGS"
466 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $ASAN_LDFLAGS"
467 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $ASAN_LDFLAGS"
468 LDFLAGS_STATIC_JDK="$LDFLAGS_STATIC_JDK $ASAN_LDFLAGS"
469 ])
470 AC_SUBST(ASAN_ENABLED)
471 ])
472
473 ################################################################################
474 #
475 # LeakSanitizer
476 #
477 AC_DEFUN_ONCE([JDKOPT_SETUP_LEAK_SANITIZER],
478 [
479 UTIL_ARG_ENABLE(NAME: lsan, DEFAULT: false, RESULT: LSAN_ENABLED,
480 DESC: [enable LeakSanitizer],
481 CHECK_AVAILABLE: [
482 AC_MSG_CHECKING([if LeakSanitizer (lsan) is available])
483 if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
484 test "x$TOOLCHAIN_TYPE" = "xclang"; then
485 AC_MSG_RESULT([yes])
486 else
487 AC_MSG_RESULT([no])
488 AVAILABLE=false
489 fi
490 ],
491 IF_ENABLED: [
492 LSAN_CFLAGS="-fsanitize=leak -fno-omit-frame-pointer -DLEAK_SANITIZER"
493 LSAN_LDFLAGS="-fsanitize=leak"
494 JVM_CFLAGS="$JVM_CFLAGS $LSAN_CFLAGS"
495 JVM_LDFLAGS="$JVM_LDFLAGS $LSAN_LDFLAGS"
496 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $LSAN_CFLAGS"
497 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $LSAN_CFLAGS"
498 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $LSAN_CFLAGS"
499 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $LSAN_CFLAGS"
500 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $LSAN_LDFLAGS"
501 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $LSAN_LDFLAGS"
502 LDFLAGS_STATIC_JDK="$LDFLAGS_STATIC_JDK $LSAN_LDFLAGS"
503 ])
504 AC_SUBST(LSAN_ENABLED)
505 ])
506
507 ################################################################################
508 #
509 # UndefinedBehaviorSanitizer
510 #
511 AC_DEFUN_ONCE([JDKOPT_SETUP_UNDEFINED_BEHAVIOR_SANITIZER],
512 [
513 UTIL_ARG_WITH(NAME: additional-ubsan-checks, TYPE: string,
514 DEFAULT: [],
515 DESC: [Customizes the ubsan checks],
516 OPTIONAL: true)
517
518 # GCC reports lots of likely false positives for stringop-truncation and format-overflow.
519 # GCC 13 also for array-bounds and stringop-overflow
520 # Silence them for now.
521 UBSAN_CHECKS="-fsanitize=undefined -fsanitize=float-divide-by-zero -fno-sanitize=shift-base -fno-sanitize=alignment \
522 $ADDITIONAL_UBSAN_CHECKS"
523 UBSAN_CFLAGS="$UBSAN_CHECKS -Wno-stringop-truncation -Wno-format-overflow -Wno-array-bounds -Wno-stringop-overflow -fno-omit-frame-pointer -DUNDEFINED_BEHAVIOR_SANITIZER"
524 UBSAN_LDFLAGS="$UBSAN_CHECKS"
525 UTIL_ARG_ENABLE(NAME: ubsan, DEFAULT: false, RESULT: UBSAN_ENABLED,
526 DESC: [enable UndefinedBehaviorSanitizer],
527 CHECK_AVAILABLE: [
528 AC_MSG_CHECKING([if UndefinedBehaviorSanitizer (ubsan) is available])
529 if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
530 test "x$TOOLCHAIN_TYPE" = "xclang"; then
531 AC_MSG_RESULT([yes])
532 else
533 AC_MSG_RESULT([no])
534 AVAILABLE=false
535 fi
536 ],
537 IF_ENABLED: [
538 JVM_CFLAGS="$JVM_CFLAGS $UBSAN_CFLAGS"
539 JVM_LDFLAGS="$JVM_LDFLAGS $UBSAN_LDFLAGS"
540 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $UBSAN_CFLAGS"
541 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $UBSAN_CFLAGS"
542 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $UBSAN_CFLAGS"
543 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $UBSAN_CFLAGS"
544 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $UBSAN_LDFLAGS"
545 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $UBSAN_LDFLAGS"
546 LDFLAGS_STATIC_JDK="$LDFLAGS_STATIC_JDK $UBSAN_LDFLAGS"
547 ])
548 if test "x$UBSAN_ENABLED" = xfalse; then
549 UBSAN_CFLAGS=""
550 UBSAN_LDFLAGS=""
551 fi
552 AC_SUBST(UBSAN_CFLAGS)
553 AC_SUBST(UBSAN_LDFLAGS)
554 AC_SUBST(UBSAN_ENABLED)
555 ])
556
557 ################################################################################
558 #
559 # Static build support. When enabled will generate static
560 # libraries instead of shared libraries for all JDK libs.
561 #
562 AC_DEFUN_ONCE([JDKOPT_SETUP_STATIC_BUILD],
563 [
564 UTIL_DEPRECATED_ARG_ENABLE(static-build)
565 ])
566
567 ################################################################################
568 #
569 # jmod options.
570 #
571 AC_DEFUN_ONCE([JDKOPT_SETUP_JMOD_OPTIONS],
572 [
573 # Final JMODs are recompiled often during development, and java.base JMOD
574 # includes the JVM libraries. In release mode, prefer to compress JMODs fully.
575 # In debug mode, pay with a little extra space, but win a lot of CPU time back
576 # with the lightest (but still some) compression.
577 if test "x$DEBUG_LEVEL" = xrelease; then
578 DEFAULT_JMOD_COMPRESS="zip-6"
579 else
580 DEFAULT_JMOD_COMPRESS="zip-1"
581 fi
582
583 UTIL_ARG_WITH(NAME: jmod-compress, TYPE: literal,
584 VALID_VALUES: [zip-0 zip-1 zip-2 zip-3 zip-4 zip-5 zip-6 zip-7 zip-8 zip-9],
585 DEFAULT: $DEFAULT_JMOD_COMPRESS,
586 CHECKING_MSG: [for JMOD compression type],
587 DESC: [specify JMOD compression type (zip-[0-9])]
588 )
589 AC_SUBST(JMOD_COMPRESS)
590 ])
591
592 ################################################################################
593 #
594 # jlink options.
595 #
596 AC_DEFUN_ONCE([JDKOPT_SETUP_JLINK_OPTIONS],
597 [
598
599 ################################################################################
600 #
601 # Configure option for building a JDK that is suitable for linking from the
602 # run-time image without JMODs.
603 #
604 # Determines whether or not a suitable run-time image is being produced from
605 # packaged modules. If set to 'true, changes the *default* of packaged
606 # modules to 'false'.
607 #
608 UTIL_ARG_ENABLE(NAME: linkable-runtime, DEFAULT: false,
609 RESULT: JLINK_PRODUCE_LINKABLE_RUNTIME,
610 DESC: [enable a JDK build suitable for linking from the run-time image],
611 CHECKING_MSG: [whether or not a JDK suitable for linking from the run-time image should be produced])
612 AC_SUBST(JLINK_PRODUCE_LINKABLE_RUNTIME)
613
614 if test "x$JLINK_PRODUCE_LINKABLE_RUNTIME" = xtrue; then
615 DEFAULT_PACKAGED_MODULES=false
616 else
617 DEFAULT_PACKAGED_MODULES=true
618 fi
619
620 ################################################################################
621 #
622 # Configure option for packaged modules
623 #
624 # We keep packaged modules in the JDK image unless --enable-linkable-runtime is
625 # requested.
626 #
627 UTIL_ARG_ENABLE(NAME: keep-packaged-modules, DEFAULT: $DEFAULT_PACKAGED_MODULES,
628 RESULT: JLINK_KEEP_PACKAGED_MODULES,
629 DESC: [enable keeping of packaged modules in jdk image],
630 DEFAULT_DESC: [enabled by default unless --enable-linkable-runtime is set],
631 CHECKING_MSG: [if packaged modules are kept])
632 AC_SUBST(JLINK_KEEP_PACKAGED_MODULES)
633 ])
634
635 ################################################################################
636 #
637 # Enable or disable generation of the classlist at build time
638 #
639 AC_DEFUN_ONCE([JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST],
640 [
641 # In GenerateLinkOptData.gmk, DumpLoadedClassList is used to generate the
642 # classlist file. It never will work if CDS is disabled, since the VM will report
643 # an error for DumpLoadedClassList.
644 UTIL_ARG_ENABLE(NAME: generate-classlist, DEFAULT: auto,
645 RESULT: ENABLE_GENERATE_CLASSLIST, AVAILABLE: $ENABLE_CDS,
646 DESC: [enable generation of a CDS classlist at build time],
647 DEFAULT_DESC: [enabled if the JVM feature 'cds' is enabled for all JVM variants],
648 CHECKING_MSG: [if the CDS classlist generation should be enabled])
649 AC_SUBST(ENABLE_GENERATE_CLASSLIST)
650 ])
651
652 ################################################################################
653 #
654 # Optionally filter resource translations
655 #
656 AC_DEFUN([JDKOPT_EXCLUDE_TRANSLATIONS],
657 [
658 AC_ARG_WITH([exclude-translations], [AS_HELP_STRING([--with-exclude-translations],
659 [a comma separated list of locales to exclude translations for. Default is
660 to include all translations present in the source.])])
661
662 EXCLUDE_TRANSLATIONS=""
663 AC_MSG_CHECKING([if any translations should be excluded])
664 if test "x$with_exclude_translations" != "x"; then
665 EXCLUDE_TRANSLATIONS="${with_exclude_translations//,/ }"
666 AC_MSG_RESULT([yes: $EXCLUDE_TRANSLATIONS])
667 else
668 AC_MSG_RESULT([no])
669 fi
670
671 AC_SUBST(EXCLUDE_TRANSLATIONS)
672 ])
673
674 ################################################################################
675 #
676 # Optionally disable man pages (deprecated)
677 #
678 AC_DEFUN([JDKOPT_ENABLE_DISABLE_MANPAGES],
679 [
680 UTIL_DEPRECATED_ARG_ENABLE(manpages)
681 ])
682
683 ################################################################################
684 #
685 # Disable the default CDS archive generation
686 #
687 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE],
688 [
689 UTIL_ARG_ENABLE(NAME: cds-archive, DEFAULT: auto, RESULT: BUILD_CDS_ARCHIVE,
690 DESC: [enable generation of a default CDS archive in the product image],
691 DEFAULT_DESC: [enabled if possible],
692 CHECKING_MSG: [if a default CDS archive should be generated],
693 CHECK_AVAILABLE: [
694 AC_MSG_CHECKING([if CDS archive is available])
695 if test "x$ENABLE_CDS" = "xfalse"; then
696 AC_MSG_RESULT([no (CDS is disabled)])
697 AVAILABLE=false
698 elif test "x$COMPILE_TYPE" = "xcross"; then
699 AC_MSG_RESULT([no (not possible with cross compilation)])
700 AVAILABLE=false
701 else
702 AC_MSG_RESULT([yes])
703 fi
704 ])
705 AC_SUBST(BUILD_CDS_ARCHIVE)
706 ])
707
708 ################################################################################
709 #
710 # Enable or disable the default CDS archive generation for Compact Object Headers
711 #
712 # Default disabled within Valhalla until support added (JDK-8348568)
713 #
714 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE_COH],
715 [
716 UTIL_ARG_ENABLE(NAME: cds-archive-coh, DEFAULT: false, RESULT: BUILD_CDS_ARCHIVE_COH,
717 DESC: [enable generation of default CDS archives for compact object headers (requires --enable-cds-archive)],
718 DEFAULT_DESC: [auto],
719 CHECKING_MSG: [if default CDS archives for compact object headers should be generated],
720 CHECK_AVAILABLE: [
721 AC_MSG_CHECKING([if CDS archive with compact object headers is available])
722 if test "x$BUILD_CDS_ARCHIVE" = "xfalse"; then
723 AC_MSG_RESULT([no (CDS default archive generation is disabled)])
724 AVAILABLE=false
725 elif test "x$OPENJDK_TARGET_CPU" != "xx86_64" &&
726 test "x$OPENJDK_TARGET_CPU" != "xaarch64" &&
727 test "x$OPENJDK_TARGET_CPU" != "xppc64" &&
728 test "x$OPENJDK_TARGET_CPU" != "xppc64le" &&
729 test "x$OPENJDK_TARGET_CPU" != "xriscv64" &&
730 test "x$OPENJDK_TARGET_CPU" != "xs390x"; then
731 AC_MSG_RESULT([no (compact object headers not supported for this platform)])
732 AVAILABLE=false
733 else
734 AC_MSG_RESULT([yes])
735 AVAILABLE=true
736 fi
737 ])
738 AC_SUBST(BUILD_CDS_ARCHIVE_COH)
739 ])
740
741 ################################################################################
742 #
743 # Enable the alternative CDS core region alignment
744 #
745 AC_DEFUN([JDKOPT_ENABLE_DISABLE_COMPATIBLE_CDS_ALIGNMENT],
746 [
747 UTIL_ARG_ENABLE(NAME: compatible-cds-alignment, DEFAULT: $COMPATIBLE_CDS_ALIGNMENT_DEFAULT,
748 RESULT: ENABLE_COMPATIBLE_CDS_ALIGNMENT,
749 DESC: [enable use alternative compatible cds core region alignment],
750 DEFAULT_DESC: [disabled except on linux-aarch64],
751 CHECKING_MSG: [if compatible cds region alignment enabled],
752 CHECK_AVAILABLE: [
753 AC_MSG_CHECKING([if CDS archive is available])
754 if test "x$ENABLE_CDS" = "xfalse"; then
755 AVAILABLE=false
756 AC_MSG_RESULT([no (CDS is disabled)])
757 else
758 AVAILABLE=true
759 AC_MSG_RESULT([yes])
760 fi
761 ])
762 AC_SUBST(ENABLE_COMPATIBLE_CDS_ALIGNMENT)
763 ])
764
765 ################################################################################
766 #
767 # Disallow any output from containing absolute paths from the build system.
768 # This setting defaults to allowed on debug builds and not allowed on release
769 # builds.
770 #
771 AC_DEFUN([JDKOPT_ALLOW_ABSOLUTE_PATHS_IN_OUTPUT],
772 [
773 AC_ARG_ENABLE([absolute-paths-in-output],
774 [AS_HELP_STRING([--disable-absolute-paths-in-output],
775 [Set to disable to prevent any absolute paths from the build to end up in
776 any of the build output. @<:@disabled in release builds, otherwise enabled@:>@])])
777
778 AC_MSG_CHECKING([if absolute paths should be allowed in the build output])
779 if test "x$enable_absolute_paths_in_output" = "xno"; then
780 AC_MSG_RESULT([no, forced])
781 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false"
782 elif test "x$enable_absolute_paths_in_output" = "xyes"; then
783 AC_MSG_RESULT([yes, forced])
784 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true"
785 elif test "x$DEBUG_LEVEL" = "xrelease"; then
786 AC_MSG_RESULT([no, release build])
787 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false"
788 else
789 AC_MSG_RESULT([yes, debug build])
790 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true"
791 fi
792
793 AC_SUBST(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT)
794 ])
795
796 ################################################################################
797 #
798 # Check and set options related to reproducible builds.
799 #
800 AC_DEFUN_ONCE([JDKOPT_SETUP_REPRODUCIBLE_BUILD],
801 [
802 AC_ARG_WITH([source-date], [AS_HELP_STRING([--with-source-date],
803 [how to set SOURCE_DATE_EPOCH ('updated', 'current', 'version' a timestamp or an ISO-8601 date) @<:@current/value of SOURCE_DATE_EPOCH@:>@])],
804 [with_source_date_present=true], [with_source_date_present=false])
805
806 if test "x$SOURCE_DATE_EPOCH" != x && test "x$with_source_date" != x; then
807 AC_MSG_WARN([--with-source-date will override SOURCE_DATE_EPOCH])
808 fi
809
810 AC_MSG_CHECKING([what source date to use])
811
812 if test "x$with_source_date" = xyes; then
813 AC_MSG_ERROR([--with-source-date must have a value])
814 elif test "x$with_source_date" = x; then
815 if test "x$SOURCE_DATE_EPOCH" != x; then
816 SOURCE_DATE=$SOURCE_DATE_EPOCH
817 with_source_date_present=true
818 AC_MSG_RESULT([$SOURCE_DATE, from SOURCE_DATE_EPOCH])
819 else
820 # Tell makefiles to take the time from configure
821 SOURCE_DATE=$($DATE +"%s")
822 AC_MSG_RESULT([$SOURCE_DATE, from 'current' (default)])
823 fi
824 elif test "x$with_source_date" = xupdated; then
825 SOURCE_DATE=updated
826 AC_MSG_RESULT([determined at build time, from 'updated'])
827 elif test "x$with_source_date" = xcurrent; then
828 # Set the current time
829 SOURCE_DATE=$($DATE +"%s")
830 AC_MSG_RESULT([$SOURCE_DATE, from 'current'])
831 elif test "x$with_source_date" = xversion; then
832 # Use the date from version-numbers.conf
833 UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $DEFAULT_VERSION_DATE)
834 if test "x$SOURCE_DATE" = x; then
835 AC_MSG_RESULT([unavailable])
836 AC_MSG_ERROR([Cannot convert DEFAULT_VERSION_DATE to timestamp])
837 fi
838 AC_MSG_RESULT([$SOURCE_DATE, from 'version'])
839 else
840 # It's a timestamp, an ISO-8601 date, or an invalid string
841 # Additional [] needed to keep m4 from mangling shell constructs.
842 if [ [[ "$with_source_date" =~ ^[0-9][0-9]*$ ]] ] ; then
843 SOURCE_DATE=$with_source_date
844 AC_MSG_RESULT([$SOURCE_DATE, from timestamp on command line])
845 else
846 UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $with_source_date)
847 if test "x$SOURCE_DATE" != x; then
848 AC_MSG_RESULT([$SOURCE_DATE, from ISO-8601 date on command line])
849 else
850 AC_MSG_RESULT([unavailable])
851 AC_MSG_ERROR([Cannot parse date string "$with_source_date"])
852 fi
853 fi
854 fi
855
856 ISO_8601_FORMAT_STRING="%Y-%m-%dT%H:%M:%SZ"
857 if test "x$SOURCE_DATE" != xupdated; then
858 # If we have a fixed value for SOURCE_DATE, we need to set SOURCE_DATE_EPOCH
859 # for the rest of configure.
860 SOURCE_DATE_EPOCH="$SOURCE_DATE"
861 if test "x$IS_GNU_DATE" = xyes; then
862 SOURCE_DATE_ISO_8601=`$DATE --utc --date="@$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null`
863 else
864 SOURCE_DATE_ISO_8601=`$DATE -u -j -f "%s" "$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null`
865 fi
866 fi
867
868 AC_SUBST(SOURCE_DATE)
869 AC_SUBST(ISO_8601_FORMAT_STRING)
870 AC_SUBST(SOURCE_DATE_ISO_8601)
871
872 UTIL_DEPRECATED_ARG_ENABLE(reproducible-build)
873 ])
874
875 ################################################################################
876 #
877 # Setup signing on macOS. This can either be setup to sign with a real identity
878 # and enabling the hardened runtime, or it can simply add the debug entitlement
879 # com.apple.security.get-task-allow without actually signing any binaries. The
880 # latter is needed to be able to debug processes and dump core files on modern
881 # versions of macOS. It can also be skipped completely.
882 #
883 # Check if codesign will run with the given parameters
884 # $1: Parameters to run with
885 # $2: Checking message
886 # Sets CODESIGN_SUCCESS=true/false
887 AC_DEFUN([JDKOPT_CHECK_CODESIGN_PARAMS],
888 [
889 PARAMS="$1"
890 MESSAGE="$2"
891 CODESIGN_TESTFILE="$CONFIGURESUPPORT_OUTPUTDIR/codesign-testfile"
892 $RM "$CODESIGN_TESTFILE"
893 $TOUCH "$CODESIGN_TESTFILE"
894 CODESIGN_SUCCESS=false
895
896 $ECHO "check codesign, calling $CODESIGN $PARAMS $CODESIGN_TESTFILE" >&AS_MESSAGE_LOG_FD
897
898 eval \"$CODESIGN\" $PARAMS \"$CODESIGN_TESTFILE\" 2>&AS_MESSAGE_LOG_FD \
899 >&AS_MESSAGE_LOG_FD && CODESIGN_SUCCESS=true
900 $RM "$CODESIGN_TESTFILE"
901 AC_MSG_CHECKING([$MESSAGE])
902 if test "x$CODESIGN_SUCCESS" = "xtrue"; then
903 AC_MSG_RESULT([yes])
904 else
905 AC_MSG_RESULT([no])
906 fi
907 ])
908
909 AC_DEFUN([JDKOPT_CHECK_CODESIGN_HARDENED],
910 [
911 JDKOPT_CHECK_CODESIGN_PARAMS([-s \"$MACOSX_CODESIGN_IDENTITY\" --option runtime],
912 [if codesign with hardened runtime is possible])
913 ])
914
915 AC_DEFUN([JDKOPT_CHECK_CODESIGN_DEBUG],
916 [
917 JDKOPT_CHECK_CODESIGN_PARAMS([-s -], [if debug mode codesign is possible])
918 ])
919
920 AC_DEFUN([JDKOPT_SETUP_MACOSX_SIGNING],
921 [
922 MACOSX_CODESIGN_MODE=disabled
923 if test "x$OPENJDK_TARGET_OS" = "xmacosx" && test "x$CODESIGN" != "x"; then
924
925 UTIL_ARG_WITH(NAME: macosx-codesign, TYPE: literal, OPTIONAL: true,
926 VALID_VALUES: [hardened debug auto], DEFAULT: auto,
927 ENABLED_DEFAULT: true,
928 CHECKING_MSG: [for macosx code signing mode],
929 DESC: [set the macosx code signing mode (hardened, debug, auto)]
930 )
931
932 if test "x$MACOSX_CODESIGN_ENABLED" = "xtrue"; then
933
934 # Check for user provided code signing identity.
935 UTIL_ARG_WITH(NAME: macosx-codesign-identity, TYPE: string,
936 DEFAULT: openjdk_codesign, CHECK_VALUE: [UTIL_CHECK_STRING_NON_EMPTY],
937 DESC: [specify the macosx code signing identity],
938 CHECKING_MSG: [for macosx code signing identity]
939 )
940 AC_SUBST(MACOSX_CODESIGN_IDENTITY)
941
942 if test "x$MACOSX_CODESIGN" = "xauto"; then
943 # Only try to default to hardened signing on release builds
944 if test "x$DEBUG_LEVEL" = "xrelease"; then
945 JDKOPT_CHECK_CODESIGN_HARDENED
946 if test "x$CODESIGN_SUCCESS" = "xtrue"; then
947 MACOSX_CODESIGN_MODE=hardened
948 fi
949 fi
950 if test "x$MACOSX_CODESIGN_MODE" = "xdisabled"; then
951 JDKOPT_CHECK_CODESIGN_DEBUG
952 if test "x$CODESIGN_SUCCESS" = "xtrue"; then
953 MACOSX_CODESIGN_MODE=debug
954 fi
955 fi
956 AC_MSG_CHECKING([for macosx code signing mode])
957 AC_MSG_RESULT([$MACOSX_CODESIGN_MODE])
958 elif test "x$MACOSX_CODESIGN" = "xhardened"; then
959 JDKOPT_CHECK_CODESIGN_HARDENED
960 if test "x$CODESIGN_SUCCESS" = "xfalse"; then
961 AC_MSG_ERROR([Signing with hardened runtime is not possible])
962 fi
963 MACOSX_CODESIGN_MODE=hardened
964 elif test "x$MACOSX_CODESIGN" = "xdebug"; then
965 JDKOPT_CHECK_CODESIGN_DEBUG
966 if test "x$CODESIGN_SUCCESS" = "xfalse"; then
967 AC_MSG_ERROR([Signing in debug mode is not possible])
968 fi
969 MACOSX_CODESIGN_MODE=debug
970 else
971 AC_MSG_ERROR([unknown value for --with-macosx-codesign: $MACOSX_CODESIGN])
972 fi
973 fi
974 fi
975 AC_SUBST(MACOSX_CODESIGN_IDENTITY)
976 AC_SUBST(MACOSX_CODESIGN_MODE)
977 ])
978
979 ################################################################################
980 #
981 # fallback linker
982 #
983 AC_DEFUN_ONCE([JDKOPT_SETUP_FALLBACK_LINKER],
984 [
985 FALLBACK_LINKER_DEFAULT=false
986
987 if HOTSPOT_CHECK_JVM_VARIANT(zero); then
988 FALLBACK_LINKER_DEFAULT=true
989 fi
990
991 UTIL_ARG_ENABLE(NAME: fallback-linker, DEFAULT: $FALLBACK_LINKER_DEFAULT,
992 RESULT: ENABLE_FALLBACK_LINKER,
993 DESC: [enable libffi-based fallback implementation of java.lang.foreign.Linker],
994 CHECKING_MSG: [if fallback linker enabled])
995 AC_SUBST(ENABLE_FALLBACK_LINKER)
996 ])