1 # 2 # Copyright (c) 2011, 2023, 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 if test "x$STATIC_BUILD" = xtrue; then 271 with_native_debug_symbols="none" 272 else 273 with_native_debug_symbols="external" 274 fi 275 ]) 276 AC_MSG_RESULT([$with_native_debug_symbols]) 277 278 if test "x$with_native_debug_symbols" = xnone; then 279 COMPILE_WITH_DEBUG_SYMBOLS=false 280 COPY_DEBUG_SYMBOLS=false 281 ZIP_EXTERNAL_DEBUG_SYMBOLS=false 282 elif test "x$with_native_debug_symbols" = xinternal; then 283 COMPILE_WITH_DEBUG_SYMBOLS=true 284 COPY_DEBUG_SYMBOLS=false 285 ZIP_EXTERNAL_DEBUG_SYMBOLS=false 286 elif test "x$with_native_debug_symbols" = xexternal; then 287 288 if test "x$OPENJDK_TARGET_OS" = xlinux; then 289 if test "x$OBJCOPY" = x; then 290 # enabling of enable-debug-symbols and can't find objcopy 291 # this is an error 292 AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols]) 293 fi 294 fi 295 296 COMPILE_WITH_DEBUG_SYMBOLS=true 297 COPY_DEBUG_SYMBOLS=true 298 ZIP_EXTERNAL_DEBUG_SYMBOLS=false 299 elif test "x$with_native_debug_symbols" = xzipped; then 300 301 if test "x$OPENJDK_TARGET_OS" = xlinux; then 302 if test "x$OBJCOPY" = x; then 303 # enabling of enable-debug-symbols and can't find objcopy 304 # this is an error 305 AC_MSG_ERROR([Unable to find objcopy, cannot enable native debug symbols]) 306 fi 307 fi 308 309 COMPILE_WITH_DEBUG_SYMBOLS=true 310 COPY_DEBUG_SYMBOLS=true 311 ZIP_EXTERNAL_DEBUG_SYMBOLS=true 312 else 313 AC_MSG_ERROR([Allowed native debug symbols are: none, internal, external, zipped]) 314 fi 315 316 AC_SUBST(COMPILE_WITH_DEBUG_SYMBOLS) 317 AC_SUBST(COPY_DEBUG_SYMBOLS) 318 AC_SUBST(ZIP_EXTERNAL_DEBUG_SYMBOLS) 319 320 # Should we add external native debug symbols to the shipped bundles? 321 AC_MSG_CHECKING([if we should add external native debug symbols to the shipped bundles]) 322 AC_ARG_WITH([external-symbols-in-bundles], 323 [AS_HELP_STRING([--with-external-symbols-in-bundles], 324 [which type of external native debug symbol information shall be shipped in product bundles (none, public, full) 325 (e.g. ship full/stripped pdbs on Windows) @<:@none@:>@])]) 326 327 if test "x$with_external_symbols_in_bundles" = x || test "x$with_external_symbols_in_bundles" = xnone ; then 328 AC_MSG_RESULT([no]) 329 elif test "x$with_external_symbols_in_bundles" = xfull || test "x$with_external_symbols_in_bundles" = xpublic ; then 330 if test "x$OPENJDK_TARGET_OS" != xwindows ; then 331 AC_MSG_ERROR([--with-external-symbols-in-bundles currently only works on windows!]) 332 elif test "x$COPY_DEBUG_SYMBOLS" != xtrue ; then 333 AC_MSG_ERROR([--with-external-symbols-in-bundles only works when --with-native-debug-symbols=external is used!]) 334 elif test "x$with_external_symbols_in_bundles" = xfull ; then 335 AC_MSG_RESULT([full]) 336 SHIP_DEBUG_SYMBOLS=full 337 else 338 AC_MSG_RESULT([public]) 339 SHIP_DEBUG_SYMBOLS=public 340 fi 341 else 342 AC_MSG_ERROR([$with_external_symbols_in_bundles is an unknown value for --with-external-symbols-in-bundles]) 343 fi 344 345 AC_SUBST(SHIP_DEBUG_SYMBOLS) 346 ]) 347 348 ################################################################################ 349 # 350 # Native and Java code coverage 351 # 352 AC_DEFUN_ONCE([JDKOPT_SETUP_CODE_COVERAGE], 353 [ 354 UTIL_ARG_ENABLE(NAME: native-coverage, DEFAULT: false, RESULT: GCOV_ENABLED, 355 DESC: [enable native compilation with code coverage data], 356 CHECK_AVAILABLE: [ 357 AC_MSG_CHECKING([if native coverage is available]) 358 if test "x$TOOLCHAIN_TYPE" = "xgcc" || 359 test "x$TOOLCHAIN_TYPE" = "xclang"; then 360 AC_MSG_RESULT([yes]) 361 else 362 AC_MSG_RESULT([no]) 363 AVAILABLE=false 364 fi 365 ], 366 IF_ENABLED: [ 367 GCOV_CFLAGS="-fprofile-arcs -ftest-coverage -fno-inline" 368 GCOV_LDFLAGS="-fprofile-arcs" 369 JVM_CFLAGS="$JVM_CFLAGS $GCOV_CFLAGS" 370 JVM_LDFLAGS="$JVM_LDFLAGS $GCOV_LDFLAGS" 371 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $GCOV_CFLAGS" 372 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $GCOV_CFLAGS" 373 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $GCOV_CFLAGS" 374 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $GCOV_CFLAGS" 375 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $GCOV_LDFLAGS" 376 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $GCOV_LDFLAGS" 377 ]) 378 AC_SUBST(GCOV_ENABLED) 379 380 AC_ARG_WITH(jcov, [AS_HELP_STRING([--with-jcov], 381 [jcov library location])]) 382 AC_ARG_WITH(jcov-input-jdk, [AS_HELP_STRING([--with-jcov-input-jdk], 383 [jdk image to instrument])]) 384 AC_ARG_WITH(jcov-filters, [AS_HELP_STRING([--with-jcov-filters], 385 [filters to limit code for jcov instrumentation and report generation])]) 386 JCOV_HOME= 387 JCOV_INPUT_JDK= 388 JCOV_ENABLED= 389 JCOV_FILTERS= 390 if test "x$with_jcov" = "x" ; then 391 JCOV_ENABLED="false" 392 else 393 JCOV_HOME="$with_jcov" 394 if test ! -f "$JCOV_HOME/lib/jcov.jar"; then 395 AC_MSG_RESULT([fail]) 396 AC_MSG_ERROR([Invalid JCov bundle: "$JCOV_HOME/lib/jcov.jar" does not exist]) 397 fi 398 JCOV_ENABLED="true" 399 UTIL_FIXUP_PATH(JCOV_HOME) 400 if test "x$with_jcov_input_jdk" != "x" ; then 401 JCOV_INPUT_JDK="$with_jcov_input_jdk" 402 if test ! -f "$JCOV_INPUT_JDK/bin/java" && test ! -f "$JCOV_INPUT_JDK/bin/java.exe"; then 403 AC_MSG_RESULT([fail]) 404 AC_MSG_ERROR([Invalid JDK bundle: "$JCOV_INPUT_JDK/bin/java" does not exist]) 405 fi 406 UTIL_FIXUP_PATH(JCOV_INPUT_JDK) 407 fi 408 if test "x$with_jcov_filters" != "x" ; then 409 JCOV_FILTERS="$with_jcov_filters" 410 fi 411 fi 412 AC_SUBST(JCOV_ENABLED) 413 AC_SUBST(JCOV_HOME) 414 AC_SUBST(JCOV_INPUT_JDK) 415 AC_SUBST(JCOV_FILTERS) 416 ]) 417 418 ############################################################################### 419 # 420 # AddressSanitizer 421 # 422 AC_DEFUN_ONCE([JDKOPT_SETUP_ADDRESS_SANITIZER], 423 [ 424 UTIL_ARG_ENABLE(NAME: asan, DEFAULT: false, RESULT: ASAN_ENABLED, 425 DESC: [enable AddressSanitizer], 426 CHECK_AVAILABLE: [ 427 AC_MSG_CHECKING([if AddressSanitizer (asan) is available]) 428 if test "x$TOOLCHAIN_TYPE" = "xgcc" || 429 test "x$TOOLCHAIN_TYPE" = "xclang" || 430 test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 431 AC_MSG_RESULT([yes]) 432 else 433 AC_MSG_RESULT([no]) 434 AVAILABLE=false 435 fi 436 ], 437 IF_ENABLED: [ 438 if test "x$TOOLCHAIN_TYPE" = "xgcc" || 439 test "x$TOOLCHAIN_TYPE" = "xclang"; then 440 # ASan is simply incompatible with gcc -Wstringop-truncation. See 441 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85650 442 # It's harmless to be suppressed in clang as well. 443 ASAN_CFLAGS="-fsanitize=address -Wno-stringop-truncation -fno-omit-frame-pointer -fno-common -DADDRESS_SANITIZER" 444 ASAN_LDFLAGS="-fsanitize=address" 445 elif test "x$TOOLCHAIN_TYPE" = "xmicrosoft"; then 446 # -Oy- is equivalent to -fno-omit-frame-pointer in GCC/Clang. 447 ASAN_CFLAGS="-fsanitize=address -Oy- -DADDRESS_SANITIZER" 448 # MSVC produces a warning if you pass -fsanitize=address to the linker. It also complains 449 $ if -DEBUG is not passed to the linker when building with ASan. 450 ASAN_LDFLAGS="-debug" 451 fi 452 JVM_CFLAGS="$JVM_CFLAGS $ASAN_CFLAGS" 453 JVM_LDFLAGS="$JVM_LDFLAGS $ASAN_LDFLAGS" 454 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $ASAN_CFLAGS" 455 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $ASAN_CFLAGS" 456 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $ASAN_CFLAGS" 457 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $ASAN_CFLAGS" 458 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $ASAN_LDFLAGS" 459 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $ASAN_LDFLAGS" 460 ]) 461 AC_SUBST(ASAN_ENABLED) 462 ]) 463 464 ############################################################################### 465 # 466 # LeakSanitizer 467 # 468 AC_DEFUN_ONCE([JDKOPT_SETUP_LEAK_SANITIZER], 469 [ 470 UTIL_ARG_ENABLE(NAME: lsan, DEFAULT: false, RESULT: LSAN_ENABLED, 471 DESC: [enable LeakSanitizer], 472 CHECK_AVAILABLE: [ 473 AC_MSG_CHECKING([if LeakSanitizer (lsan) is available]) 474 if test "x$TOOLCHAIN_TYPE" = "xgcc" || 475 test "x$TOOLCHAIN_TYPE" = "xclang"; then 476 AC_MSG_RESULT([yes]) 477 else 478 AC_MSG_RESULT([no]) 479 AVAILABLE=false 480 fi 481 ], 482 IF_ENABLED: [ 483 LSAN_CFLAGS="-fsanitize=leak -fno-omit-frame-pointer -DLEAK_SANITIZER" 484 LSAN_LDFLAGS="-fsanitize=leak" 485 JVM_CFLAGS="$JVM_CFLAGS $LSAN_CFLAGS" 486 JVM_LDFLAGS="$JVM_LDFLAGS $LSAN_LDFLAGS" 487 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $LSAN_CFLAGS" 488 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $LSAN_CFLAGS" 489 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $LSAN_CFLAGS" 490 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $LSAN_CFLAGS" 491 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $LSAN_LDFLAGS" 492 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $LSAN_LDFLAGS" 493 ]) 494 AC_SUBST(LSAN_ENABLED) 495 ]) 496 497 ############################################################################### 498 # 499 # UndefinedBehaviorSanitizer 500 # 501 AC_DEFUN_ONCE([JDKOPT_SETUP_UNDEFINED_BEHAVIOR_SANITIZER], 502 [ 503 UTIL_ARG_WITH(NAME: additional-ubsan-checks, TYPE: string, 504 DEFAULT: [], 505 DESC: [Customizes the ubsan checks], 506 OPTIONAL: true) 507 508 # GCC reports lots of likely false positives for stringop-truncation and format-overflow. 509 # Silence them for now. 510 UBSAN_CHECKS="-fsanitize=undefined -fsanitize=float-divide-by-zero -fno-sanitize=shift-base -fno-sanitize=alignment \ 511 $ADDITIONAL_UBSAN_CHECKS" 512 UBSAN_CFLAGS="$UBSAN_CHECKS -Wno-stringop-truncation -Wno-format-overflow -fno-omit-frame-pointer -DUNDEFINED_BEHAVIOR_SANITIZER" 513 UBSAN_LDFLAGS="$UBSAN_CHECKS" 514 UTIL_ARG_ENABLE(NAME: ubsan, DEFAULT: false, RESULT: UBSAN_ENABLED, 515 DESC: [enable UndefinedBehaviorSanitizer], 516 CHECK_AVAILABLE: [ 517 AC_MSG_CHECKING([if UndefinedBehaviorSanitizer (ubsan) is available]) 518 if test "x$TOOLCHAIN_TYPE" = "xgcc" || 519 test "x$TOOLCHAIN_TYPE" = "xclang"; then 520 AC_MSG_RESULT([yes]) 521 else 522 AC_MSG_RESULT([no]) 523 AVAILABLE=false 524 fi 525 ], 526 IF_ENABLED: [ 527 JVM_CFLAGS="$JVM_CFLAGS $UBSAN_CFLAGS" 528 JVM_LDFLAGS="$JVM_LDFLAGS $UBSAN_LDFLAGS" 529 CFLAGS_JDKLIB="$CFLAGS_JDKLIB $UBSAN_CFLAGS" 530 CFLAGS_JDKEXE="$CFLAGS_JDKEXE $UBSAN_CFLAGS" 531 CXXFLAGS_JDKLIB="$CXXFLAGS_JDKLIB $UBSAN_CFLAGS" 532 CXXFLAGS_JDKEXE="$CXXFLAGS_JDKEXE $UBSAN_CFLAGS" 533 LDFLAGS_JDKLIB="$LDFLAGS_JDKLIB $UBSAN_LDFLAGS" 534 LDFLAGS_JDKEXE="$LDFLAGS_JDKEXE $UBSAN_LDFLAGS" 535 ]) 536 if test "x$UBSAN_ENABLED" = xfalse; then 537 UBSAN_CFLAGS="" 538 UBSAN_LDFLAGS="" 539 fi 540 AC_SUBST(UBSAN_CFLAGS) 541 AC_SUBST(UBSAN_LDFLAGS) 542 AC_SUBST(UBSAN_ENABLED) 543 ]) 544 545 ################################################################################ 546 # 547 # Static build support. When enabled will generate static 548 # libraries instead of shared libraries for all JDK libs. 549 # 550 AC_DEFUN_ONCE([JDKOPT_SETUP_STATIC_BUILD], 551 [ 552 UTIL_ARG_ENABLE(NAME: static-build, DEFAULT: false, RESULT: STATIC_BUILD, 553 DESC: [enable static library build], 554 CHECKING_MSG: [if static build is enabled], 555 CHECK_AVAILABLE: [ 556 AC_MSG_CHECKING([if static build is available]) 557 if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then 558 AC_MSG_RESULT([yes]) 559 else 560 AC_MSG_RESULT([no]) 561 AVAILABLE=false 562 fi 563 ], 564 IF_ENABLED: [ 565 STATIC_BUILD_CFLAGS="-DSTATIC_BUILD=1" 566 CFLAGS_JDKLIB_EXTRA="$CFLAGS_JDKLIB_EXTRA $STATIC_BUILD_CFLAGS" 567 CXXFLAGS_JDKLIB_EXTRA="$CXXFLAGS_JDKLIB_EXTRA $STATIC_BUILD_CFLAGS" 568 ]) 569 AC_SUBST(STATIC_BUILD) 570 ]) 571 572 ################################################################################ 573 # 574 # jmod options. 575 # 576 AC_DEFUN_ONCE([JDKOPT_SETUP_JMOD_OPTIONS], 577 [ 578 # Final JMODs are recompiled often during development, and java.base JMOD 579 # includes the JVM libraries. In release mode, prefer to compress JMODs fully. 580 # In debug mode, pay with a little extra space, but win a lot of CPU time back 581 # with the lightest (but still some) compression. 582 if test "x$DEBUG_LEVEL" = xrelease; then 583 DEFAULT_JMOD_COMPRESS="zip-6" 584 else 585 DEFAULT_JMOD_COMPRESS="zip-1" 586 fi 587 588 UTIL_ARG_WITH(NAME: jmod-compress, TYPE: literal, 589 VALID_VALUES: [zip-0 zip-1 zip-2 zip-3 zip-4 zip-5 zip-6 zip-7 zip-8 zip-9], 590 DEFAULT: $DEFAULT_JMOD_COMPRESS, 591 CHECKING_MSG: [for JMOD compression type], 592 DESC: [specify JMOD compression type (zip-[0-9])] 593 ) 594 AC_SUBST(JMOD_COMPRESS) 595 ]) 596 597 ################################################################################ 598 # 599 # jlink options. 600 # We always keep packaged modules in JDK image. 601 # 602 AC_DEFUN_ONCE([JDKOPT_SETUP_JLINK_OPTIONS], 603 [ 604 UTIL_ARG_ENABLE(NAME: keep-packaged-modules, DEFAULT: true, 605 RESULT: JLINK_KEEP_PACKAGED_MODULES, 606 DESC: [enable keeping of packaged modules in jdk image], 607 CHECKING_MSG: [if packaged modules are kept]) 608 AC_SUBST(JLINK_KEEP_PACKAGED_MODULES) 609 ]) 610 611 ################################################################################ 612 # 613 # Enable or disable generation of the classlist at build time 614 # 615 AC_DEFUN_ONCE([JDKOPT_ENABLE_DISABLE_GENERATE_CLASSLIST], 616 [ 617 # In GenerateLinkOptData.gmk, DumpLoadedClassList is used to generate the 618 # classlist file. It never will work if CDS is disabled, since the VM will report 619 # an error for DumpLoadedClassList. 620 UTIL_ARG_ENABLE(NAME: generate-classlist, DEFAULT: auto, 621 RESULT: ENABLE_GENERATE_CLASSLIST, AVAILABLE: $ENABLE_CDS, 622 DESC: [enable generation of a CDS classlist at build time], 623 DEFAULT_DESC: [enabled if the JVM feature 'cds' is enabled for all JVM variants], 624 CHECKING_MSG: [if the CDS classlist generation should be enabled]) 625 AC_SUBST(ENABLE_GENERATE_CLASSLIST) 626 ]) 627 628 ################################################################################ 629 # 630 # Optionally filter resource translations 631 # 632 AC_DEFUN([JDKOPT_EXCLUDE_TRANSLATIONS], 633 [ 634 AC_ARG_WITH([exclude-translations], [AS_HELP_STRING([--with-exclude-translations], 635 [a comma separated list of locales to exclude translations for. Default is 636 to include all translations present in the source.])]) 637 638 EXCLUDE_TRANSLATIONS="" 639 AC_MSG_CHECKING([if any translations should be excluded]) 640 if test "x$with_exclude_translations" != "x"; then 641 EXCLUDE_TRANSLATIONS="${with_exclude_translations//,/ }" 642 AC_MSG_RESULT([yes: $EXCLUDE_TRANSLATIONS]) 643 else 644 AC_MSG_RESULT([no]) 645 fi 646 647 AC_SUBST(EXCLUDE_TRANSLATIONS) 648 ]) 649 650 ################################################################################ 651 # 652 # Optionally disable man pages 653 # 654 AC_DEFUN([JDKOPT_ENABLE_DISABLE_MANPAGES], 655 [ 656 UTIL_ARG_ENABLE(NAME: manpages, DEFAULT: true, RESULT: BUILD_MANPAGES, 657 DESC: [enable copying of static man pages], 658 CHECKING_MSG: [if static man pages should be copied]) 659 AC_SUBST(BUILD_MANPAGES) 660 ]) 661 662 ################################################################################ 663 # 664 # Disable the default CDS archive generation 665 # 666 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE], 667 [ 668 UTIL_ARG_ENABLE(NAME: cds-archive, DEFAULT: auto, RESULT: BUILD_CDS_ARCHIVE, 669 DESC: [enable generation of a default CDS archive in the product image], 670 DEFAULT_DESC: [enabled if possible], 671 CHECKING_MSG: [if a default CDS archive should be generated], 672 CHECK_AVAILABLE: [ 673 AC_MSG_CHECKING([if CDS archive is available]) 674 if test "x$ENABLE_CDS" = "xfalse"; then 675 AC_MSG_RESULT([no (CDS is disabled)]) 676 AVAILABLE=false 677 elif test "x$COMPILE_TYPE" = "xcross"; then 678 AC_MSG_RESULT([no (not possible with cross compilation)]) 679 AVAILABLE=false 680 else 681 AC_MSG_RESULT([yes]) 682 fi 683 ]) 684 AC_SUBST(BUILD_CDS_ARCHIVE) 685 ]) 686 687 ################################################################################ 688 # 689 # Enable or disable the default CDS archive generation for Compact Object Headers 690 # 691 AC_DEFUN([JDKOPT_ENABLE_DISABLE_CDS_ARCHIVE_COH], 692 [ 693 UTIL_ARG_ENABLE(NAME: cds-archive-coh, DEFAULT: auto, RESULT: BUILD_CDS_ARCHIVE_COH, 694 DESC: [enable generation of default CDS archives for compact object headers (requires --enable-cds-archive)], 695 DEFAULT_DESC: [auto], 696 CHECKING_MSG: [if default CDS archives for compact object headers should be generated], 697 CHECK_AVAILABLE: [ 698 AC_MSG_CHECKING([if CDS archive with compact object headers is available]) 699 if test "x$BUILD_CDS_ARCHIVE" = "xfalse"; then 700 AC_MSG_RESULT([no (CDS default archive generation is disabled)]) 701 AVAILABLE=false 702 elif test "x$OPENJDK_TARGET_CPU" != "xx86_64" && 703 test "x$OPENJDK_TARGET_CPU" != "xaarch64"; then 704 AC_MSG_RESULT([no (compact object headers not supported for this platform)]) 705 AVAILABLE=false 706 else 707 AC_MSG_RESULT([yes]) 708 AVAILABLE=true 709 fi 710 ]) 711 AC_SUBST(BUILD_CDS_ARCHIVE_COH) 712 ]) 713 714 ################################################################################ 715 # 716 # Enable the alternative CDS core region alignment 717 # 718 AC_DEFUN([JDKOPT_ENABLE_DISABLE_COMPATIBLE_CDS_ALIGNMENT], 719 [ 720 UTIL_ARG_ENABLE(NAME: compatible-cds-alignment, DEFAULT: $COMPATIBLE_CDS_ALIGNMENT_DEFAULT, 721 RESULT: ENABLE_COMPATIBLE_CDS_ALIGNMENT, 722 DESC: [enable use alternative compatible cds core region alignment], 723 DEFAULT_DESC: [disabled], 724 CHECKING_MSG: [if compatible cds region alignment enabled], 725 CHECK_AVAILABLE: [ 726 AC_MSG_CHECKING([if CDS archive is available]) 727 if test "x$ENABLE_CDS" = "xfalse"; then 728 AVAILABLE=false 729 AC_MSG_RESULT([no (CDS is disabled)]) 730 else 731 AVAILABLE=true 732 AC_MSG_RESULT([yes]) 733 fi 734 ]) 735 AC_SUBST(ENABLE_COMPATIBLE_CDS_ALIGNMENT) 736 ]) 737 738 ################################################################################ 739 # 740 # Disallow any output from containing absolute paths from the build system. 741 # This setting defaults to allowed on debug builds and not allowed on release 742 # builds. 743 # 744 AC_DEFUN([JDKOPT_ALLOW_ABSOLUTE_PATHS_IN_OUTPUT], 745 [ 746 AC_ARG_ENABLE([absolute-paths-in-output], 747 [AS_HELP_STRING([--disable-absolute-paths-in-output], 748 [Set to disable to prevent any absolute paths from the build to end up in 749 any of the build output. @<:@disabled in release builds, otherwise enabled@:>@]) 750 ]) 751 752 AC_MSG_CHECKING([if absolute paths should be allowed in the build output]) 753 if test "x$enable_absolute_paths_in_output" = "xno"; then 754 AC_MSG_RESULT([no, forced]) 755 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false" 756 elif test "x$enable_absolute_paths_in_output" = "xyes"; then 757 AC_MSG_RESULT([yes, forced]) 758 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true" 759 elif test "x$DEBUG_LEVEL" = "xrelease"; then 760 AC_MSG_RESULT([no, release build]) 761 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="false" 762 else 763 AC_MSG_RESULT([yes, debug build]) 764 ALLOW_ABSOLUTE_PATHS_IN_OUTPUT="true" 765 fi 766 767 AC_SUBST(ALLOW_ABSOLUTE_PATHS_IN_OUTPUT) 768 ]) 769 770 ################################################################################ 771 # 772 # Check and set options related to reproducible builds. 773 # 774 AC_DEFUN_ONCE([JDKOPT_SETUP_REPRODUCIBLE_BUILD], 775 [ 776 AC_ARG_WITH([source-date], [AS_HELP_STRING([--with-source-date], 777 [how to set SOURCE_DATE_EPOCH ('updated', 'current', 'version' a timestamp or an ISO-8601 date) @<:@current/value of SOURCE_DATE_EPOCH@:>@])], 778 [with_source_date_present=true], [with_source_date_present=false]) 779 780 if test "x$SOURCE_DATE_EPOCH" != x && test "x$with_source_date" != x; then 781 AC_MSG_WARN([--with-source-date will override SOURCE_DATE_EPOCH]) 782 fi 783 784 AC_MSG_CHECKING([what source date to use]) 785 786 if test "x$with_source_date" = xyes; then 787 AC_MSG_ERROR([--with-source-date must have a value]) 788 elif test "x$with_source_date" = x; then 789 if test "x$SOURCE_DATE_EPOCH" != x; then 790 SOURCE_DATE=$SOURCE_DATE_EPOCH 791 with_source_date_present=true 792 AC_MSG_RESULT([$SOURCE_DATE, from SOURCE_DATE_EPOCH]) 793 else 794 # Tell makefiles to take the time from configure 795 SOURCE_DATE=$($DATE +"%s") 796 AC_MSG_RESULT([$SOURCE_DATE, from 'current' (default)]) 797 fi 798 elif test "x$with_source_date" = xupdated; then 799 SOURCE_DATE=updated 800 AC_MSG_RESULT([determined at build time, from 'updated']) 801 elif test "x$with_source_date" = xcurrent; then 802 # Set the current time 803 SOURCE_DATE=$($DATE +"%s") 804 AC_MSG_RESULT([$SOURCE_DATE, from 'current']) 805 elif test "x$with_source_date" = xversion; then 806 # Use the date from version-numbers.conf 807 UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $DEFAULT_VERSION_DATE) 808 if test "x$SOURCE_DATE" = x; then 809 AC_MSG_RESULT([unavailable]) 810 AC_MSG_ERROR([Cannot convert DEFAULT_VERSION_DATE to timestamp]) 811 fi 812 AC_MSG_RESULT([$SOURCE_DATE, from 'version']) 813 else 814 # It's a timestamp, an ISO-8601 date, or an invalid string 815 # Additional [] needed to keep m4 from mangling shell constructs. 816 if [ [[ "$with_source_date" =~ ^[0-9][0-9]*$ ]] ] ; then 817 SOURCE_DATE=$with_source_date 818 AC_MSG_RESULT([$SOURCE_DATE, from timestamp on command line]) 819 else 820 UTIL_GET_EPOCH_TIMESTAMP(SOURCE_DATE, $with_source_date) 821 if test "x$SOURCE_DATE" != x; then 822 AC_MSG_RESULT([$SOURCE_DATE, from ISO-8601 date on command line]) 823 else 824 AC_MSG_RESULT([unavailable]) 825 AC_MSG_ERROR([Cannot parse date string "$with_source_date"]) 826 fi 827 fi 828 fi 829 830 ISO_8601_FORMAT_STRING="%Y-%m-%dT%H:%M:%SZ" 831 if test "x$SOURCE_DATE" != xupdated; then 832 # If we have a fixed value for SOURCE_DATE, we need to set SOURCE_DATE_EPOCH 833 # for the rest of configure. 834 SOURCE_DATE_EPOCH="$SOURCE_DATE" 835 if test "x$IS_GNU_DATE" = xyes; then 836 SOURCE_DATE_ISO_8601=`$DATE --utc --date="@$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null` 837 else 838 SOURCE_DATE_ISO_8601=`$DATE -u -j -f "%s" "$SOURCE_DATE" +"$ISO_8601_FORMAT_STRING" 2> /dev/null` 839 fi 840 fi 841 842 AC_SUBST(SOURCE_DATE) 843 AC_SUBST(ISO_8601_FORMAT_STRING) 844 AC_SUBST(SOURCE_DATE_ISO_8601) 845 846 UTIL_DEPRECATED_ARG_ENABLE(reproducible-build) 847 ]) 848 849 ################################################################################ 850 # 851 # Setup signing on macOS. This can either be setup to sign with a real identity 852 # and enabling the hardened runtime, or it can simply add the debug entitlement 853 # com.apple.security.get-task-allow without actually signing any binaries. The 854 # latter is needed to be able to debug processes and dump core files on modern 855 # versions of macOS. It can also be skipped completely. 856 # 857 # Check if codesign will run with the given parameters 858 # $1: Parameters to run with 859 # $2: Checking message 860 # Sets CODESIGN_SUCCESS=true/false 861 AC_DEFUN([JDKOPT_CHECK_CODESIGN_PARAMS], 862 [ 863 PARAMS="$1" 864 MESSAGE="$2" 865 CODESIGN_TESTFILE="$CONFIGURESUPPORT_OUTPUTDIR/codesign-testfile" 866 $RM "$CODESIGN_TESTFILE" 867 $TOUCH "$CODESIGN_TESTFILE" 868 CODESIGN_SUCCESS=false 869 870 $ECHO "check codesign, calling $CODESIGN $PARAMS $CODESIGN_TESTFILE" >&AS_MESSAGE_LOG_FD 871 872 eval \"$CODESIGN\" $PARAMS \"$CODESIGN_TESTFILE\" 2>&AS_MESSAGE_LOG_FD \ 873 >&AS_MESSAGE_LOG_FD && CODESIGN_SUCCESS=true 874 $RM "$CODESIGN_TESTFILE" 875 AC_MSG_CHECKING([$MESSAGE]) 876 if test "x$CODESIGN_SUCCESS" = "xtrue"; then 877 AC_MSG_RESULT([yes]) 878 else 879 AC_MSG_RESULT([no]) 880 fi 881 ]) 882 883 AC_DEFUN([JDKOPT_CHECK_CODESIGN_HARDENED], 884 [ 885 JDKOPT_CHECK_CODESIGN_PARAMS([-s \"$MACOSX_CODESIGN_IDENTITY\" --option runtime], 886 [if codesign with hardened runtime is possible]) 887 ]) 888 889 AC_DEFUN([JDKOPT_CHECK_CODESIGN_DEBUG], 890 [ 891 JDKOPT_CHECK_CODESIGN_PARAMS([-s -], [if debug mode codesign is possible]) 892 ]) 893 894 AC_DEFUN([JDKOPT_SETUP_MACOSX_SIGNING], 895 [ 896 ENABLE_CODESIGN=false 897 if test "x$OPENJDK_TARGET_OS" = "xmacosx" && test "x$CODESIGN" != "x"; then 898 899 UTIL_ARG_WITH(NAME: macosx-codesign, TYPE: literal, OPTIONAL: true, 900 VALID_VALUES: [hardened debug auto], DEFAULT: auto, 901 ENABLED_DEFAULT: true, 902 CHECKING_MSG: [for macosx code signing mode], 903 DESC: [set the macosx code signing mode (hardened, debug, auto)] 904 ) 905 906 MACOSX_CODESIGN_MODE=disabled 907 if test "x$MACOSX_CODESIGN_ENABLED" = "xtrue"; then 908 909 # Check for user provided code signing identity. 910 UTIL_ARG_WITH(NAME: macosx-codesign-identity, TYPE: string, 911 DEFAULT: openjdk_codesign, CHECK_VALUE: [UTIL_CHECK_STRING_NON_EMPTY], 912 DESC: [specify the macosx code signing identity], 913 CHECKING_MSG: [for macosx code signing identity] 914 ) 915 AC_SUBST(MACOSX_CODESIGN_IDENTITY) 916 917 if test "x$MACOSX_CODESIGN" = "xauto"; then 918 # Only try to default to hardened signing on release builds 919 if test "x$DEBUG_LEVEL" = "xrelease"; then 920 JDKOPT_CHECK_CODESIGN_HARDENED 921 if test "x$CODESIGN_SUCCESS" = "xtrue"; then 922 MACOSX_CODESIGN_MODE=hardened 923 fi 924 fi 925 if test "x$MACOSX_CODESIGN_MODE" = "xdisabled"; then 926 JDKOPT_CHECK_CODESIGN_DEBUG 927 if test "x$CODESIGN_SUCCESS" = "xtrue"; then 928 MACOSX_CODESIGN_MODE=debug 929 fi 930 fi 931 AC_MSG_CHECKING([for macosx code signing mode]) 932 AC_MSG_RESULT([$MACOSX_CODESIGN_MODE]) 933 elif test "x$MACOSX_CODESIGN" = "xhardened"; then 934 JDKOPT_CHECK_CODESIGN_HARDENED 935 if test "x$CODESIGN_SUCCESS" = "xfalse"; then 936 AC_MSG_ERROR([Signing with hardened runtime is not possible]) 937 fi 938 MACOSX_CODESIGN_MODE=hardened 939 elif test "x$MACOSX_CODESIGN" = "xdebug"; then 940 JDKOPT_CHECK_CODESIGN_DEBUG 941 if test "x$CODESIGN_SUCCESS" = "xfalse"; then 942 AC_MSG_ERROR([Signing in debug mode is not possible]) 943 fi 944 MACOSX_CODESIGN_MODE=debug 945 else 946 AC_MSG_ERROR([unknown value for --with-macosx-codesign: $MACOSX_CODESIGN]) 947 fi 948 fi 949 AC_SUBST(MACOSX_CODESIGN_IDENTITY) 950 AC_SUBST(MACOSX_CODESIGN_MODE) 951 fi 952 ]) 953 954 ################################################################################ 955 # 956 # fallback linker 957 # 958 AC_DEFUN_ONCE([JDKOPT_SETUP_FALLBACK_LINKER], 959 [ 960 FALLBACK_LINKER_DEFAULT=false 961 962 if HOTSPOT_CHECK_JVM_VARIANT(zero); then 963 FALLBACK_LINKER_DEFAULT=true 964 fi 965 966 UTIL_ARG_ENABLE(NAME: fallback-linker, DEFAULT: $FALLBACK_LINKER_DEFAULT, 967 RESULT: ENABLE_FALLBACK_LINKER, 968 DESC: [enable libffi-based fallback implementation of java.lang.foreign.Linker], 969 CHECKING_MSG: [if fallback linker enabled]) 970 AC_SUBST(ENABLE_FALLBACK_LINKER) 971 ]) --- EOF ---