1 #
  2 # Copyright (c) 2011, 2024, 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])
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])
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$OPENJDK_TARGET_CPU" = "xaarch64"; then
200     COMPATIBLE_CDS_ALIGNMENT_DEFAULT=true
201   fi
202   AC_SUBST(COMPATIBLE_CDS_ALIGNMENT_DEFAULT)
203 
204   # Compress jars
205   COMPRESS_JARS=false
206 
207   AC_SUBST(COMPRESS_JARS)
208 
209   # Setup default copyright year. Mostly overridden when building close to a new year.
210   AC_ARG_WITH(copyright-year, [AS_HELP_STRING([--with-copyright-year],
211       [Set copyright year value for build @<:@current year/source-date@:>@])])
212   if test "x$with_copyright_year" = xyes; then
213     AC_MSG_ERROR([Copyright year must have a value])
214   elif test "x$with_copyright_year" != x; then
215     COPYRIGHT_YEAR="$with_copyright_year"
216   elif test "x$SOURCE_DATE" != xupdated; then
217     if test "x$IS_GNU_DATE" = xyes; then
218       COPYRIGHT_YEAR=`$DATE --date=@$SOURCE_DATE +%Y`
219     else
220       COPYRIGHT_YEAR=`$DATE -j -f %s $SOURCE_DATE +%Y`
221     fi
222   else
223     COPYRIGHT_YEAR=`$DATE +'%Y'`
224   fi
225   AC_SUBST(COPYRIGHT_YEAR)
226 
227   # Override default library path
228   AC_ARG_WITH([jni-libpath], [AS_HELP_STRING([--with-jni-libpath],
229       [override default JNI library search path])])
230   AC_MSG_CHECKING([for jni library path])
231   if test "x${with_jni_libpath}" = "x" || test "x${with_jni_libpath}" = "xno"; then
232     AC_MSG_RESULT([default])
233   elif test "x${with_jni_libpath}" = "xyes"; then
234     AC_MSG_RESULT([invalid])
235     AC_MSG_ERROR([The --with-jni-libpath option requires an argument.])
236   else
237     HOTSPOT_OVERRIDE_LIBPATH=${with_jni_libpath}
238     if test "x$OPENJDK_TARGET_OS" != "xlinux" &&
239          test "x$OPENJDK_TARGET_OS" != "xbsd" &&
240          test "x$OPENJDK_TARGET_OS" != "xaix"; then
241       AC_MSG_RESULT([fail])
242       AC_MSG_ERROR([Overriding JNI library path is supported only on Linux, BSD and AIX.])
243     fi
244     AC_MSG_RESULT(${HOTSPOT_OVERRIDE_LIBPATH})
245   fi
246   AC_SUBST(HOTSPOT_OVERRIDE_LIBPATH)
247 
248 ])
249 
250 ###############################################################################
251 
252 AC_DEFUN_ONCE([JDKOPT_SETUP_DEBUG_SYMBOLS],
253 [
254   #
255   # Native debug symbols.
256   # This must be done after the toolchain is setup, since we're looking at objcopy.
257   #
258   AC_MSG_CHECKING([what type of native debug symbols to use])
259   AC_ARG_WITH([native-debug-symbols],
260       [AS_HELP_STRING([--with-native-debug-symbols],
261       [set the native debug symbol configuration (none, internal, external, zipped) @<:@varying@:>@])],
262       [
263         if test "x$OPENJDK_TARGET_OS" = xwindows; then
264           if test "x$withval" = xinternal; then
265             AC_MSG_ERROR([Windows does not support the parameter 'internal' for --with-native-debug-symbols])
266           fi
267         fi
268       ],
269       [
270         with_native_debug_symbols="external"
271       ])
272   AC_MSG_RESULT([$with_native_debug_symbols])
273 
274   if test "x$with_native_debug_symbols" = xnone; then
275     COMPILE_WITH_DEBUG_SYMBOLS=false
276     COPY_DEBUG_SYMBOLS=false
277     ZIP_EXTERNAL_DEBUG_SYMBOLS=false
278   elif test "x$with_native_debug_symbols" = xinternal; then
279     COMPILE_WITH_DEBUG_SYMBOLS=true
280     COPY_DEBUG_SYMBOLS=false
281     ZIP_EXTERNAL_DEBUG_SYMBOLS=false
282   elif test "x$with_native_debug_symbols" = xexternal; then
283 
284     if test "x$OPENJDK_TARGET_OS" = xlinux; then
285       if test "x$OBJCOPY" = x; then
286         # enabling of enable-debug-symbols and can't find objcopy
287         # this is an error
288         AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])
289       fi
290     fi
291 
292     COMPILE_WITH_DEBUG_SYMBOLS=true
293     COPY_DEBUG_SYMBOLS=true
294     ZIP_EXTERNAL_DEBUG_SYMBOLS=false
295   elif test "x$with_native_debug_symbols" = xzipped; then
296 
297     if test "x$OPENJDK_TARGET_OS" = xlinux; then
298       if test "x$OBJCOPY" = x; then
299         # enabling of enable-debug-symbols and can't find objcopy
300         # this is an error
301         AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols])
302       fi
303     fi
304 
305     COMPILE_WITH_DEBUG_SYMBOLS=true
306     COPY_DEBUG_SYMBOLS=true
307     ZIP_EXTERNAL_DEBUG_SYMBOLS=true
308   else
309     AC_MSG_ERROR([Allowed native debug symbols are: none, internal, external, zipped])
310   fi
311 
312   AC_SUBST(COMPILE_WITH_DEBUG_SYMBOLS)
313   AC_SUBST(COPY_DEBUG_SYMBOLS)
314   AC_SUBST(ZIP_EXTERNAL_DEBUG_SYMBOLS)
315 
316   # Should we add external native debug symbols to the shipped bundles?
317   AC_MSG_CHECKING([if we should add external native debug symbols to the shipped bundles])
318   AC_ARG_WITH([external-symbols-in-bundles],
319       [AS_HELP_STRING([--with-external-symbols-in-bundles],
320       [which type of external native debug symbol information shall be shipped in product bundles (none, public, full)
321       (e.g. ship full/stripped pdbs on Windows) @<:@none@:>@])])
322 
323   if test "x$with_external_symbols_in_bundles" = x || test "x$with_external_symbols_in_bundles" = xnone ; then
324     AC_MSG_RESULT([no])
325   elif test "x$with_external_symbols_in_bundles" = xfull || test "x$with_external_symbols_in_bundles" = xpublic ; then
326     if test "x$OPENJDK_TARGET_OS" != xwindows ; then
327       AC_MSG_ERROR([--with-external-symbols-in-bundles currently only works on windows!])
328     elif test "x$COPY_DEBUG_SYMBOLS" != xtrue ; then
329       AC_MSG_ERROR([--with-external-symbols-in-bundles only works when --with-native-debug-symbols=external is used!])
330     elif test "x$with_external_symbols_in_bundles" = xfull ; then
331       AC_MSG_RESULT([full])
332       SHIP_DEBUG_SYMBOLS=full
333     else
334       AC_MSG_RESULT([public])
335       SHIP_DEBUG_SYMBOLS=public
336     fi
337   else
338     AC_MSG_ERROR([$with_external_symbols_in_bundles is an unknown value for --with-external-symbols-in-bundles])
339   fi
340 
341   AC_SUBST(SHIP_DEBUG_SYMBOLS)
342 ])
343 
344 ################################################################################
345 #
346 # Native and Java code coverage
347 #
348 AC_DEFUN_ONCE([JDKOPT_SETUP_CODE_COVERAGE],
349 [
350   UTIL_ARG_ENABLE(NAME: native-coverage, DEFAULT: false, RESULT: GCOV_ENABLED,
351       DESC: [enable native compilation with code coverage data],
352       CHECK_AVAILABLE: [
353         AC_MSG_CHECKING([if native coverage is available])
354         if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
355             test "x$TOOLCHAIN_TYPE" = "xclang"; then
356           AC_MSG_RESULT([yes])
357         else
358           AC_MSG_RESULT([no])
359           AVAILABLE=false
360         fi
361       ],
362       IF_ENABLED: [
363         GCOV_CFLAGS="-fprofile-arcs -ftest-coverage -fno-inline"
364         GCOV_LDFLAGS="-fprofile-arcs"
365         JVM_CFLAGS="$JVM_CFLAGS $GCOV_CFLAGS"
366         JVM_LDFLAGS="$JVM_LDFLAGS $GCOV_LDFLAGS"
367         CFLAGS_JDKLIB="$CFLAGS_JDKLIB $GCOV_CFLAGS"
368         CFLAGS_JDKEXE="$CFLAGS_JDKEXE $GCOV_CFLAGS"
369         CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $GCOV_CFLAGS"
370         CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $GCOV_CFLAGS"
371         LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $GCOV_LDFLAGS"
372         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $GCOV_LDFLAGS"
373       ])
374   AC_SUBST(GCOV_ENABLED)
375 
376   AC_ARG_WITH(jcov, [AS_HELP_STRING([--with-jcov],
377       [jcov library location])])
378   AC_ARG_WITH(jcov-input-jdk, [AS_HELP_STRING([--with-jcov-input-jdk],
379       [jdk image to instrument])])
380   AC_ARG_WITH(jcov-filters, [AS_HELP_STRING([--with-jcov-filters],
381       [filters to limit code for jcov instrumentation and report generation])])
382   JCOV_HOME=
383   JCOV_INPUT_JDK=
384   JCOV_ENABLED=
385   JCOV_FILTERS=
386   if test "x$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$TOOLCHAIN_TYPE" = "xclang"; then
436           # ASan is simply incompatible with gcc -Wstringop-truncation. See
437           # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85650
438           # It's harmless to be suppressed in clang as well.
439           ASAN_CFLAGS="-fsanitize=address -Wno-stringop-truncation -fno-omit-frame-pointer -fno-common -DADDRESS_SANITIZER"
440           ASAN_LDFLAGS="-fsanitize=address"
441         elif test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then
442           # -Oy- is equivalent to -fno-omit-frame-pointer in GCC/Clang.
443           ASAN_CFLAGS="-fsanitize=address -Oy- -DADDRESS_SANITIZER"
444           # MSVC produces a warning if you pass -fsanitize=address to the linker. It also complains
445           $ if -DEBUG is not passed to the linker when building with ASan.
446           ASAN_LDFLAGS="-debug"
447         fi
448         JVM_CFLAGS="$JVM_CFLAGS $ASAN_CFLAGS"
449         JVM_LDFLAGS="$JVM_LDFLAGS $ASAN_LDFLAGS"
450         CFLAGS_JDKLIB="$CFLAGS_JDKLIB $ASAN_CFLAGS"
451         CFLAGS_JDKEXE="$CFLAGS_JDKEXE $ASAN_CFLAGS"
452         CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $ASAN_CFLAGS"
453         CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $ASAN_CFLAGS"
454         LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $ASAN_LDFLAGS"
455         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $ASAN_LDFLAGS"
456       ])
457   AC_SUBST(ASAN_ENABLED)
458 ])
459 
460 ###############################################################################
461 #
462 # LeakSanitizer
463 #
464 AC_DEFUN_ONCE([JDKOPT_SETUP_LEAK_SANITIZER],
465 [
466   UTIL_ARG_ENABLE(NAME: lsan, DEFAULT: false, RESULT: LSAN_ENABLED,
467       DESC: [enable LeakSanitizer],
468       CHECK_AVAILABLE: [
469         AC_MSG_CHECKING([if LeakSanitizer (lsan) is available])
470         if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
471             test "x$TOOLCHAIN_TYPE" = "xclang"; then
472           AC_MSG_RESULT([yes])
473         else
474           AC_MSG_RESULT([no])
475           AVAILABLE=false
476         fi
477       ],
478       IF_ENABLED: [
479         LSAN_CFLAGS="-fsanitize=leak -fno-omit-frame-pointer -DLEAK_SANITIZER"
480         LSAN_LDFLAGS="-fsanitize=leak"
481         JVM_CFLAGS="$JVM_CFLAGS $LSAN_CFLAGS"
482         JVM_LDFLAGS="$JVM_LDFLAGS $LSAN_LDFLAGS"
483         CFLAGS_JDKLIB="$CFLAGS_JDKLIB $LSAN_CFLAGS"
484         CFLAGS_JDKEXE="$CFLAGS_JDKEXE $LSAN_CFLAGS"
485         CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $LSAN_CFLAGS"
486         CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $LSAN_CFLAGS"
487         LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $LSAN_LDFLAGS"
488         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $LSAN_LDFLAGS"
489       ])
490   AC_SUBST(LSAN_ENABLED)
491 ])
492 
493 ###############################################################################
494 #
495 # UndefinedBehaviorSanitizer
496 #
497 AC_DEFUN_ONCE([JDKOPT_SETUP_UNDEFINED_BEHAVIOR_SANITIZER],
498 [
499   # GCC reports lots of likely false positives for stringop-truncation and format-overflow.
500   # Silence them for now.
501   UBSAN_CHECKS="-fsanitize=undefined -fsanitize=float-divide-by-zero -fno-sanitize=shift-base -fno-sanitize=alignment"
502   UBSAN_CFLAGS="$UBSAN_CHECKS -Wno-stringop-truncation -Wno-format-overflow -fno-omit-frame-pointer -DUNDEFINED_BEHAVIOR_SANITIZER"
503   UBSAN_LDFLAGS="$UBSAN_CHECKS"
504   UTIL_ARG_ENABLE(NAME: ubsan, DEFAULT: false, RESULT: UBSAN_ENABLED,
505       DESC: [enable UndefinedBehaviorSanitizer],
506       CHECK_AVAILABLE: [
507         AC_MSG_CHECKING([if UndefinedBehaviorSanitizer (ubsan) is available])
508         if test "x$TOOLCHAIN_TYPE" = "xgcc" ||
509             test "x$TOOLCHAIN_TYPE" = "xclang"; then
510           AC_MSG_RESULT([yes])
511         else
512           AC_MSG_RESULT([no])
513           AVAILABLE=false
514         fi
515       ],
516       IF_ENABLED: [
517         JVM_CFLAGS="$JVM_CFLAGS $UBSAN_CFLAGS"
518         JVM_LDFLAGS="$JVM_LDFLAGS $UBSAN_LDFLAGS"
519         CFLAGS_JDKLIB="$CFLAGS_JDKLIB $UBSAN_CFLAGS"
520         CFLAGS_JDKEXE="$CFLAGS_JDKEXE $UBSAN_CFLAGS"
521         CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $UBSAN_CFLAGS"
522         CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $UBSAN_CFLAGS"
523         LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $UBSAN_LDFLAGS"
524         LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $UBSAN_LDFLAGS"
525       ])
526   if test "x$UBSAN_ENABLED" = xfalse; then
527     UBSAN_CFLAGS=""
528     UBSAN_LDFLAGS=""
529   fi
530   AC_SUBST(UBSAN_CFLAGS)
531   AC_SUBST(UBSAN_LDFLAGS)
532   AC_SUBST(UBSAN_ENABLED)
533 ])
534 
535 ################################################################################
536 #
537 # Static build support.  When enabled will generate static
538 # libraries instead of shared libraries for all JDK libs.
539 #
540 AC_DEFUN_ONCE([JDKOPT_SETUP_STATIC_BUILD],
541 [
542   UTIL_DEPRECATED_ARG_ENABLE(static-build)
543 ])
544 
545 ################################################################################
546 #
547 # jmod options.
548 #
549 AC_DEFUN_ONCE([JDKOPT_SETUP_JMOD_OPTIONS],
550 [
551   # Final JMODs are recompiled often during development, and java.base JMOD
552   # includes the JVM libraries. In release mode, prefer to compress JMODs fully.
553   # In debug mode, pay with a little extra space, but win a lot of CPU time back
554   # with the lightest (but still some) compression.
555   if test "x$DEBUG_LEVEL" = xrelease; then
556     DEFAULT_JMOD_COMPRESS="zip-6"
557   else
558     DEFAULT_JMOD_COMPRESS="zip-1"
559   fi
560 
561   UTIL_ARG_WITH(NAME: jmod-compress, TYPE: literal,
562     VALID_VALUES: [zip-0 zip-1 zip-2 zip-3 zip-4 zip-5 zip-6 zip-7 zip-8 zip-9],
563     DEFAULT: $DEFAULT_JMOD_COMPRESS,
564     CHECKING_MSG: [for JMOD compression type],
565     DESC: [specify JMOD compression type (zip-[0-9])]
566   )
567   AC_SUBST(JMOD_COMPRESS)
568 ])
569 
570 ################################################################################
571 #
572 # jlink options.
573 # We always keep packaged modules in JDK image.
574 #
575 AC_DEFUN_ONCE([JDKOPT_SETUP_JLINK_OPTIONS],
576 [
577   UTIL_ARG_ENABLE(NAME: keep-packaged-modules, DEFAULT: true,
578       RESULT: JLINK_KEEP_PACKAGED_MODULES,
579       DESC: [enable keeping of packaged modules in jdk image],
580       CHECKING_MSG: [if packaged modules are kept])
581   AC_SUBST(JLINK_KEEP_PACKAGED_MODULES)
582 ])
583 
584 ################################################################################
585 #
586 # Enable or disable generation of the classlist at build time
587 #
588 AC_DEFUN_ONCE([JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST],
589 [
590   # In GenerateLinkOptData.gmk, DumpLoadedClassList is used to generate the
591   # classlist file. It never will work if CDS is disabled, since the VM will report
592   # an error for DumpLoadedClassList.
593   UTIL_ARG_ENABLE(NAME: generate-classlist, DEFAULT: auto,
594       RESULT: ENABLE_GENERATE_CLASSLIST, AVAILABLE: $ENABLE_CDS,
595       DESC: [enable generation of a CDS classlist at build time],
596       DEFAULT_DESC: [enabled if the JVM feature 'cds' is enabled for all JVM variants],
597       CHECKING_MSG: [if the CDS classlist generation should be enabled])
598   AC_SUBST(ENABLE_GENERATE_CLASSLIST)
599 ])
600 
601 ################################################################################
602 #
603 # Optionally filter resource translations
604 #
605 AC_DEFUN([JDKOPT_EXCLUDE_TRANSLATIONS],
606 [
607   AC_ARG_WITH([exclude-translations], [AS_HELP_STRING([--with-exclude-translations],
608       [a comma separated list of locales to exclude translations for. Default is
609       to include all translations present in the source.])])
610 
611   EXCLUDE_TRANSLATIONS=""
612   AC_MSG_CHECKING([if any translations should be excluded])
613   if test "x$with_exclude_translations" != "x"; then
614     EXCLUDE_TRANSLATIONS="${with_exclude_translations//,/ }"
615     AC_MSG_RESULT([yes: $EXCLUDE_TRANSLATIONS])
616   else
617     AC_MSG_RESULT([no])
618   fi
619 
620   AC_SUBST(EXCLUDE_TRANSLATIONS)
621 ])
622 
623 ################################################################################
624 #
625 # Optionally disable man pages
626 #
627 AC_DEFUN([JDKOPT_ENABLE_DISABLE_MANPAGES],
628 [
629   UTIL_ARG_ENABLE(NAME: manpages, DEFAULT: true, RESULT: BUILD_MANPAGES,
630       DESC: [enable copying of static man pages],
631       CHECKING_MSG: [if static man pages should be copied])
632   AC_SUBST(BUILD_MANPAGES)
633 ])
634 
635 ################################################################################
636 #
637 # Disable the default CDS archive generation
638 #
639 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE],
640 [
641   UTIL_ARG_ENABLE(NAME: cds-archive, DEFAULT: auto, RESULT: BUILD_CDS_ARCHIVE,
642       DESC: [enable generation of a default CDS archive in the product image],
643       DEFAULT_DESC: [enabled if possible],
644       CHECKING_MSG: [if a default CDS archive should be generated],
645       CHECK_AVAILABLE: [
646         AC_MSG_CHECKING([if CDS archive is available])
647         if test "x$ENABLE_CDS" = "xfalse"; then
648           AC_MSG_RESULT([no (CDS is disabled)])
649           AVAILABLE=false
650         elif test "x$COMPILE_TYPE" = "xcross"; then
651           AC_MSG_RESULT([no (not possible with cross compilation)])
652           AVAILABLE=false
653         else
654           AC_MSG_RESULT([yes])
655         fi
656       ])
657   AC_SUBST(BUILD_CDS_ARCHIVE)
658 ])
659 
660 ################################################################################
661 #
662 # Enable or disable the default CDS archive generation for Compact Object Headers
663 #
664 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE_COH],
665 [
666   UTIL_ARG_ENABLE(NAME: cds-archive-coh, DEFAULT: auto, RESULT: BUILD_CDS_ARCHIVE_COH,
667       DESC: [enable generation of default CDS archives for compact object headers (requires --enable-cds-archive)],
668       DEFAULT_DESC: [auto],
669       CHECKING_MSG: [if default CDS archives for compact object headers should be generated],
670       CHECK_AVAILABLE: [
671         AC_MSG_CHECKING([if CDS archive with compact object headers is available])
672         if test "x$BUILD_CDS_ARCHIVE" = "xfalse"; then
673           AC_MSG_RESULT([no (CDS default archive generation is disabled)])
674           AVAILABLE=false
675         elif test "x$OPENJDK_TARGET_CPU" != "xx86_64" &&
676              test "x$OPENJDK_TARGET_CPU" != "xaarch64"; then
677           AC_MSG_RESULT([no (compact object headers not supported for this platform)])
678           AVAILABLE=false
679         else
680           AC_MSG_RESULT([yes])
681         fi
682       ])
683   AC_SUBST(BUILD_CDS_ARCHIVE_COH)
684 ])
685 
686 ################################################################################
687 #
688 # Enable the alternative CDS core region alignment
689 #
690 AC_DEFUN([JDKOPT_ENABLE_DISABLE_COMPATIBLE_CDS_ALIGNMENT],
691 [
692   UTIL_ARG_ENABLE(NAME: compatible-cds-alignment, DEFAULT: $COMPATIBLE_CDS_ALIGNMENT_DEFAULT,
693       RESULT: ENABLE_COMPATIBLE_CDS_ALIGNMENT,
694       DESC: [enable use alternative compatible cds core region alignment],
695       DEFAULT_DESC: [disabled],
696       CHECKING_MSG: [if compatible cds region alignment enabled],
697       CHECK_AVAILABLE: [
698         AC_MSG_CHECKING([if CDS archive is available])
699         if test "x$ENABLE_CDS" = "xfalse"; then
700           AVAILABLE=false
701           AC_MSG_RESULT([no (CDS is disabled)])
702         else
703           AVAILABLE=true
704           AC_MSG_RESULT([yes])
705         fi
706       ])
707   AC_SUBST(ENABLE_COMPATIBLE_CDS_ALIGNMENT)
708 ])
709 
710 ################################################################################
711 #
712 # Disallow any output from containing absolute paths from the build system.
713 # This setting defaults to allowed on debug builds and not allowed on release
714 # builds.
715 #
716 AC_DEFUN([JDKOPT_ALLOW_ABSOLUTE_PATHS_IN_OUTPUT],
717 [
718   AC_ARG_ENABLE([absolute-paths-in-output],
719       [AS_HELP_STRING([--disable-absolute-paths-in-output],
720        [Set to disable to prevent any absolute paths from the build to end up in
721         any of the build output. @<:@disabled in release builds, otherwise enabled@:>@])
722       ])
723 
724   AC_MSG_CHECKING([if absolute paths should be allowed in the build output])
725   if test "x$enable_absolute_paths_in_output" = "xno"; then
726     AC_MSG_RESULT([no, forced])
727     ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false"
728   elif test "x$enable_absolute_paths_in_output" = "xyes"; then
729     AC_MSG_RESULT([yes, forced])
730     ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true"
731   elif test "x$DEBUG_LEVEL" = "xrelease"; then
732     AC_MSG_RESULT([no, release build])
733     ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false"
734   else
735     AC_MSG_RESULT([yes, debug build])
736     ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true"
737   fi
738 
739   AC_SUBST(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT)
740 ])
741 
742 ################################################################################
743 #
744 # Check and set options related to reproducible builds.
745 #
746 AC_DEFUN_ONCE([JDKOPT_SETUP_REPRODUCIBLE_BUILD],
747 [
748   AC_ARG_WITH([source-date], [AS_HELP_STRING([--with-source-date],
749       [how to set SOURCE_DATE_EPOCH ('updated', 'current', 'version' a timestamp or an ISO-8601 date) @<:@current/value of SOURCE_DATE_EPOCH@:>@])],
750       [with_source_date_present=true], [with_source_date_present=false])
751 
752   if test "x$SOURCE_DATE_EPOCH" != x && test "x$with_source_date" != x; then
753     AC_MSG_WARN([--with-source-date will override SOURCE_DATE_EPOCH])
754   fi
755 
756   AC_MSG_CHECKING([what source date to use])
757 
758   if test "x$with_source_date" = xyes; then
759     AC_MSG_ERROR([--with-source-date must have a value])
760   elif test "x$with_source_date" = x; then
761     if test "x$SOURCE_DATE_EPOCH" != x; then
762       SOURCE_DATE=$SOURCE_DATE_EPOCH
763       with_source_date_present=true
764       AC_MSG_RESULT([$SOURCE_DATE, from SOURCE_DATE_EPOCH])
765     else
766       # Tell makefiles to take the time from configure
767       SOURCE_DATE=$($DATE +"%s")
768       AC_MSG_RESULT([$SOURCE_DATE, from 'current' (default)])
769     fi
770   elif test "x$with_source_date" = xupdated; then
771     SOURCE_DATE=updated
772     AC_MSG_RESULT([determined at build time, from 'updated'])
773   elif test "x$with_source_date" = xcurrent; then
774     # Set the current time
775     SOURCE_DATE=$($DATE +"%s")
776     AC_MSG_RESULT([$SOURCE_DATE, from 'current'])
777   elif test "x$with_source_date" = xversion; then
778     # Use the date from version-numbers.conf
779     UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $DEFAULT_VERSION_DATE)
780     if test "x$SOURCE_DATE" = x; then
781       AC_MSG_RESULT([unavailable])
782       AC_MSG_ERROR([Cannot convert DEFAULT_VERSION_DATE to timestamp])
783     fi
784     AC_MSG_RESULT([$SOURCE_DATE, from 'version'])
785   else
786     # It's a timestamp, an ISO-8601 date, or an invalid string
787     # Additional [] needed to keep m4 from mangling shell constructs.
788     if [ [[ "$with_source_date" =~ ^[0-9][0-9]*$ ]] ] ; then
789       SOURCE_DATE=$with_source_date
790       AC_MSG_RESULT([$SOURCE_DATE, from timestamp on command line])
791     else
792       UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $with_source_date)
793       if test "x$SOURCE_DATE" != x; then
794         AC_MSG_RESULT([$SOURCE_DATE, from ISO-8601 date on command line])
795       else
796         AC_MSG_RESULT([unavailable])
797         AC_MSG_ERROR([Cannot parse date string "$with_source_date"])
798       fi
799     fi
800   fi
801 
802   ISO_8601_FORMAT_STRING="%Y-%m-%dT%H:%M:%SZ"
803   if test "x$SOURCE_DATE" != xupdated; then
804     # If we have a fixed value for SOURCE_DATE, we need to set SOURCE_DATE_EPOCH
805     # for the rest of configure.
806     SOURCE_DATE_EPOCH="$SOURCE_DATE"
807     if test "x$IS_GNU_DATE" = xyes; then
808       SOURCE_DATE_ISO_8601=`$DATE --utc --date="@$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null`
809     else
810       SOURCE_DATE_ISO_8601=`$DATE -u -j -f "%s" "$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null`
811     fi
812   fi
813 
814   AC_SUBST(SOURCE_DATE)
815   AC_SUBST(ISO_8601_FORMAT_STRING)
816   AC_SUBST(SOURCE_DATE_ISO_8601)
817 
818   UTIL_DEPRECATED_ARG_ENABLE(reproducible-build)
819 ])
820 
821 ################################################################################
822 #
823 # Setup signing on macOS. This can either be setup to sign with a real identity
824 # and enabling the hardened runtime, or it can simply add the debug entitlement
825 # com.apple.security.get-task-allow without actually signing any binaries. The
826 # latter is needed to be able to debug processes and dump core files on modern
827 # versions of macOS. It can also be skipped completely.
828 #
829 # Check if codesign will run with the given parameters
830 # $1: Parameters to run with
831 # $2: Checking message
832 # Sets CODESIGN_SUCCESS=true/false
833 AC_DEFUN([JDKOPT_CHECK_CODESIGN_PARAMS],
834 [
835   PARAMS="$1"
836   MESSAGE="$2"
837   CODESIGN_TESTFILE="$CONFIGURESUPPORT_OUTPUTDIR/codesign-testfile"
838   $RM "$CODESIGN_TESTFILE"
839   $TOUCH "$CODESIGN_TESTFILE"
840   CODESIGN_SUCCESS=false
841 
842   $ECHO "check codesign, calling $CODESIGN $PARAMS $CODESIGN_TESTFILE" >&AS_MESSAGE_LOG_FD
843 
844   eval \"$CODESIGN\" $PARAMS \"$CODESIGN_TESTFILE\" 2>&AS_MESSAGE_LOG_FD \
845       >&AS_MESSAGE_LOG_FD && CODESIGN_SUCCESS=true
846   $RM "$CODESIGN_TESTFILE"
847   AC_MSG_CHECKING([$MESSAGE])
848   if test "x$CODESIGN_SUCCESS" = "xtrue"; then
849     AC_MSG_RESULT([yes])
850   else
851     AC_MSG_RESULT([no])
852   fi
853 ])
854 
855 AC_DEFUN([JDKOPT_CHECK_CODESIGN_HARDENED],
856 [
857   JDKOPT_CHECK_CODESIGN_PARAMS([-s \"$MACOSX_CODESIGN_IDENTITY\" --option runtime],
858       [if codesign with hardened runtime is possible])
859 ])
860 
861 AC_DEFUN([JDKOPT_CHECK_CODESIGN_DEBUG],
862 [
863   JDKOPT_CHECK_CODESIGN_PARAMS([-s -], [if debug mode codesign is possible])
864 ])
865 
866 AC_DEFUN([JDKOPT_SETUP_MACOSX_SIGNING],
867 [
868   MACOSX_CODESIGN_MODE=disabled
869   if test "x$OPENJDK_TARGET_OS" = "xmacosx" && test "x$CODESIGN" != "x"; then
870 
871     UTIL_ARG_WITH(NAME: macosx-codesign, TYPE: literal, OPTIONAL: true,
872         VALID_VALUES: [hardened debug auto], DEFAULT: auto,
873         ENABLED_DEFAULT: true,
874         CHECKING_MSG: [for macosx code signing mode],
875         DESC: [set the macosx code signing mode (hardened, debug, auto)]
876     )
877 
878     if test "x$MACOSX_CODESIGN_ENABLED" = "xtrue"; then
879 
880       # Check for user provided code signing identity.
881       UTIL_ARG_WITH(NAME: macosx-codesign-identity, TYPE: string,
882           DEFAULT: openjdk_codesign, CHECK_VALUE: [UTIL_CHECK_STRING_NON_EMPTY],
883           DESC: [specify the macosx code signing identity],
884           CHECKING_MSG: [for macosx code signing identity]
885       )
886       AC_SUBST(MACOSX_CODESIGN_IDENTITY)
887 
888       if test "x$MACOSX_CODESIGN" = "xauto"; then
889         # Only try to default to hardened signing on release builds
890         if test "x$DEBUG_LEVEL" = "xrelease"; then
891           JDKOPT_CHECK_CODESIGN_HARDENED
892           if test "x$CODESIGN_SUCCESS" = "xtrue"; then
893             MACOSX_CODESIGN_MODE=hardened
894           fi
895         fi
896         if test "x$MACOSX_CODESIGN_MODE" = "xdisabled"; then
897           JDKOPT_CHECK_CODESIGN_DEBUG
898           if test "x$CODESIGN_SUCCESS" = "xtrue"; then
899             MACOSX_CODESIGN_MODE=debug
900           fi
901         fi
902         AC_MSG_CHECKING([for macosx code signing mode])
903         AC_MSG_RESULT([$MACOSX_CODESIGN_MODE])
904       elif test "x$MACOSX_CODESIGN" = "xhardened"; then
905         JDKOPT_CHECK_CODESIGN_HARDENED
906         if test "x$CODESIGN_SUCCESS" = "xfalse"; then
907           AC_MSG_ERROR([Signing with hardened runtime is not possible])
908         fi
909         MACOSX_CODESIGN_MODE=hardened
910       elif test "x$MACOSX_CODESIGN" = "xdebug"; then
911         JDKOPT_CHECK_CODESIGN_DEBUG
912         if test "x$CODESIGN_SUCCESS" = "xfalse"; then
913           AC_MSG_ERROR([Signing in debug mode is not possible])
914         fi
915         MACOSX_CODESIGN_MODE=debug
916       else
917         AC_MSG_ERROR([unknown value for --with-macosx-codesign: $MACOSX_CODESIGN])
918       fi
919     fi
920   fi
921   AC_SUBST(MACOSX_CODESIGN_IDENTITY)
922   AC_SUBST(MACOSX_CODESIGN_MODE)
923 ])
924 
925 ################################################################################
926 #
927 # fallback linker
928 #
929 AC_DEFUN_ONCE([JDKOPT_SETUP_FALLBACK_LINKER],
930 [
931   FALLBACK_LINKER_DEFAULT=false
932 
933   if HOTSPOT_CHECK_JVM_VARIANT(zero); then
934     FALLBACK_LINKER_DEFAULT=true
935   fi
936 
937   UTIL_ARG_ENABLE(NAME: fallback-linker, DEFAULT: $FALLBACK_LINKER_DEFAULT,
938       RESULT: ENABLE_FALLBACK_LINKER,
939       DESC: [enable libffi-based fallback implementation of java.lang.foreign.Linker],
940       CHECKING_MSG: [if fallback linker enabled])
941   AC_SUBST(ENABLE_FALLBACK_LINKER)
942 ])