356 FLAGS_CPU=$OPENJDK_TARGET_CPU
357 FLAGS_CPU_ARCH=$OPENJDK_TARGET_CPU_ARCH
358 FLAGS_CPU_BITS=$OPENJDK_TARGET_CPU_BITS
359 FLAGS_CPU_ENDIAN=$OPENJDK_TARGET_CPU_ENDIAN
360 FLAGS_CPU_LEGACY=$OPENJDK_TARGET_CPU_LEGACY
361 FLAGS_CPU_LEGACY_LIB=$OPENJDK_TARGET_CPU_LEGACY_LIB
362
363 FLAGS_SETUP_CFLAGS_CPU_DEP([TARGET])
364
365 FLAGS_OS=$OPENJDK_BUILD_OS
366 FLAGS_OS_TYPE=$OPENJDK_BUILD_OS_TYPE
367 FLAGS_CPU=$OPENJDK_BUILD_CPU
368 FLAGS_CPU_ARCH=$OPENJDK_BUILD_CPU_ARCH
369 FLAGS_CPU_BITS=$OPENJDK_BUILD_CPU_BITS
370 FLAGS_CPU_ENDIAN=$OPENJDK_BUILD_CPU_ENDIAN
371 FLAGS_CPU_LEGACY=$OPENJDK_BUILD_CPU_LEGACY
372 FLAGS_CPU_LEGACY_LIB=$OPENJDK_BUILD_CPU_LEGACY_LIB
373
374 FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
375
376 # Tests are only ever compiled for TARGET
377 CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
378 CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
379 CFLAGS_TESTEXE="$CFLAGS_JDKEXE"
380 CXXFLAGS_TESTEXE="$CXXFLAGS_JDKEXE"
381
382 AC_SUBST(CFLAGS_TESTLIB)
383 AC_SUBST(CFLAGS_TESTEXE)
384 AC_SUBST(CXXFLAGS_TESTLIB)
385 AC_SUBST(CXXFLAGS_TESTEXE)
386 ])
387
388 ################################################################################
389 # platform independent
390 AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
391 [
392 #### OS DEFINES, these should be independent on toolchain
393 if test "x$OPENJDK_TARGET_OS" = xlinux; then
394 CFLAGS_OS_DEF_JVM="-DLINUX"
395 CFLAGS_OS_DEF_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
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356 FLAGS_CPU=$OPENJDK_TARGET_CPU
357 FLAGS_CPU_ARCH=$OPENJDK_TARGET_CPU_ARCH
358 FLAGS_CPU_BITS=$OPENJDK_TARGET_CPU_BITS
359 FLAGS_CPU_ENDIAN=$OPENJDK_TARGET_CPU_ENDIAN
360 FLAGS_CPU_LEGACY=$OPENJDK_TARGET_CPU_LEGACY
361 FLAGS_CPU_LEGACY_LIB=$OPENJDK_TARGET_CPU_LEGACY_LIB
362
363 FLAGS_SETUP_CFLAGS_CPU_DEP([TARGET])
364
365 FLAGS_OS=$OPENJDK_BUILD_OS
366 FLAGS_OS_TYPE=$OPENJDK_BUILD_OS_TYPE
367 FLAGS_CPU=$OPENJDK_BUILD_CPU
368 FLAGS_CPU_ARCH=$OPENJDK_BUILD_CPU_ARCH
369 FLAGS_CPU_BITS=$OPENJDK_BUILD_CPU_BITS
370 FLAGS_CPU_ENDIAN=$OPENJDK_BUILD_CPU_ENDIAN
371 FLAGS_CPU_LEGACY=$OPENJDK_BUILD_CPU_LEGACY
372 FLAGS_CPU_LEGACY_LIB=$OPENJDK_BUILD_CPU_LEGACY_LIB
373
374 FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
375
376 COMPILER_FP_CONTRACT_OFF_FLAG="-ffp-contract=off"
377 # Check that the compiler supports -ffp-contract=off flag
378 # Set FDLIBM_CFLAGS to -ffp-contract=off if it does. Empty
379 # otherwise.
380 # These flags are required for GCC-based builds of
381 # fdlibm with optimization without losing precision.
382 # Notably, -ffp-contract=off needs to be added for GCC >= 4.6.
383 if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
384 FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_FP_CONTRACT_OFF_FLAG}],
385 IF_TRUE: [FDLIBM_CFLAGS=${COMPILER_FP_CONTRACT_OFF_FLAG}],
386 IF_FALSE: [FDLIBM_CFLAGS=""])
387 fi
388 AC_SUBST(FDLIBM_CFLAGS)
389
390 # Tests are only ever compiled for TARGET
391 CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
392 CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
393 CFLAGS_TESTEXE="$CFLAGS_JDKEXE"
394 CXXFLAGS_TESTEXE="$CXXFLAGS_JDKEXE"
395
396 AC_SUBST(CFLAGS_TESTLIB)
397 AC_SUBST(CFLAGS_TESTEXE)
398 AC_SUBST(CXXFLAGS_TESTLIB)
399 AC_SUBST(CXXFLAGS_TESTEXE)
400 ])
401
402 ################################################################################
403 # platform independent
404 AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
405 [
406 #### OS DEFINES, these should be independent on toolchain
407 if test "x$OPENJDK_TARGET_OS" = xlinux; then
408 CFLAGS_OS_DEF_JVM="-DLINUX"
409 CFLAGS_OS_DEF_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
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