Mercurial > jdk8-mips64-public / file comparison
comparison: common/autoconf/flags.m4
common/autoconf/flags.m4
- changeset 2424
- 3a2c8d0a600d
- parent 2401
- 7d134528324e
- child 2445
- ef88239d3d16
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| 2423:9d00e3f144e0 | 2424:3a2c8d0a600d |
|---|---|
| 448 # | 448 # |
| 449 # Now setup the CFLAGS and LDFLAGS for the JDK build. | 449 # Now setup the CFLAGS and LDFLAGS for the JDK build. |
| 450 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. | 450 # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build. |
| 451 # | 451 # |
| 452 | 452 |
| 453 FDLIBM_CFLAGS="" | |
| 453 # Setup compiler/platform specific flags to CFLAGS_JDK, | 454 # Setup compiler/platform specific flags to CFLAGS_JDK, |
| 454 # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?) | 455 # CXXFLAGS_JDK and CCXXFLAGS_JDK (common to C and CXX?) |
| 455 if test "x$TOOLCHAIN_TYPE" = xgcc; then | 456 if test "x$TOOLCHAIN_TYPE" = xgcc; then |
| 456 # these options are used for both C and C++ compiles | 457 # these options are used for both C and C++ compiles |
| 457 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ | 458 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -Wall -Wno-parentheses -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \ |
| 472 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer" | 473 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -fno-omit-frame-pointer" |
| 473 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" | 474 CFLAGS_JDK="${CFLAGS_JDK} -fno-strict-aliasing" |
| 474 ;; | 475 ;; |
| 475 esac | 476 esac |
| 476 TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS) | 477 TOOLCHAIN_CHECK_COMPILER_VERSION(6, FLAGS_SETUP_GCC6_COMPILER_FLAGS) |
| 478 | |
| 479 # Check that the compiler supports -ffp-contract=off flag | |
| 480 # Set FDLIBM_CFLAGS to -ffp-contract=off if it does. | |
| 481 # For GCC < 4.6, on x86, x86_64 and ppc check for | |
| 482 # -mno-fused-madd and -fno-strict-aliasing. If they exist, | |
| 483 # use them as a substitute for -ffp-contract=off. | |
| 484 # | |
| 485 # These flags are required for GCC-based builds of | |
| 486 # fdlibm with optimization without losing precision. | |
| 487 # Notably, -ffp-contract=off needs to be added for GCC >= 4.6, | |
| 488 # -mno-fused-madd -fno-strict-aliasing for GCC < 4.6 | |
| 489 COMPILER_FP_CONTRACT_OFF_FLAG="-ffp-contract=off" | |
| 490 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]COMPILER_FP_CONTRACT_OFF_FLAG -Werror], | |
| 491 [], [COMPILER_FP_CONTRACT_OFF_FLAG=""]) | |
| 492 if test "x$COMPILER_FP_CONTRACT_OFF_FLAG" = x; then | |
| 493 if test "$OPENJDK_TARGET_CPU_ARCH" = "x86" || | |
| 494 test "$OPENJDK_TARGET_CPU_ARCH" = "x86_64" || | |
| 495 test "$OPENJDK_TARGET_CPU_ARCH" = "ppc"; then | |
| 496 M_NO_FUSED_ADD_FLAG="-mno-fused-madd" | |
| 497 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]M_NO_FUSED_ADD_FLAG -Werror], | |
| 498 [], [M_NO_FUSED_ADD_FLAG=""]) | |
| 499 NO_STRICT_ALIASING_FLAG="-fno-strict-aliasing" | |
| 500 FLAGS_CXX_COMPILER_CHECK_ARGUMENTS([[$]NO_STRICT_ALIASING_FLAG -Werror], | |
| 501 [], [NO_STRICT_ALIASING_FLAG=""]) | |
| 502 if test "x$M_NO_FUSED_ADD_FLAG" != "x" && test "x$NO_STRICT_ALIASING_FLAG" != "x"; then | |
| 503 FDLIBM_CFLAGS="$M_NO_FUSED_ADD_FLAG $NO_STRICT_ALIASING_FLAG" | |
| 504 fi | |
| 505 fi | |
| 506 else | |
| 507 FDLIBM_CFLAGS="$COMPILER_FP_CONTRACT_OFF_FLAG" | |
| 508 fi | |
| 477 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then | 509 elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then |
| 478 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" | 510 CCXXFLAGS_JDK="$CCXXFLAGS $CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS" |
| 479 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then | 511 if test "x$OPENJDK_TARGET_CPU_ARCH" = xx86; then |
| 480 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" | 512 CCXXFLAGS_JDK="$CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_TARGET_CPU_LEGACY_LIB" |
| 481 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" | 513 CFLAGS_JDK="$CFLAGS_JDK -erroff=E_BAD_PRAGMA_PACK_VALUE" |
| 503 if test "x$TOOLCHAIN_VERSION" = "x2010"; then | 535 if test "x$TOOLCHAIN_VERSION" = "x2010"; then |
| 504 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \ | 536 CCXXFLAGS_JDK="$CCXXFLAGS_JDK \ |
| 505 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" | 537 -D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB" |
| 506 fi | 538 fi |
| 507 fi | 539 fi |
| 540 AC_SUBST(FDLIBM_CFLAGS) | |
| 508 | 541 |
| 509 ############################################################################### | 542 ############################################################################### |
| 510 | 543 |
| 511 # Adjust flags according to debug level. | 544 # Adjust flags according to debug level. |
| 512 case $DEBUG_LEVEL in | 545 case $DEBUG_LEVEL in |
