657 else
658 HOTSPOT_CXX="$CXX"
659 HOTSPOT_LD="$LD"
660 fi
661 AC_SUBST(HOTSPOT_CXX)
662 AC_SUBST(HOTSPOT_LD)
663
664 if test "x$TOOLCHAIN_TYPE" = xclang; then
665 USE_CLANG=true
666 fi
667 AC_SUBST(USE_CLANG)
668
669 # LDEXE is the linker to use, when creating executables. Not really used.
670 # FIXME: These should just be removed!
671 LDEXE="$LD"
672 LDEXECXX="$LDCXX"
673 AC_SUBST(LDEXE)
674 AC_SUBST(LDEXECXX)
675 ])
676
677 # Do some additional checks on the detected tools.
678 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
679 [
680 # The package path is used only on macosx?
681 # FIXME: clean this up, and/or move it elsewhere.
682 PACKAGE_PATH=/opt/local
683 AC_SUBST(PACKAGE_PATH)
684
685 # Check for extra potential brokenness.
686 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
687 # On Windows, double-check that we got the right compiler.
688 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
689 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
690 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
691 if test "x$COMPILER_CPU_TEST" != "x80x86"; then
692 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
693 fi
694 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
695 if test "x$COMPILER_CPU_TEST" != "xx64"; then
696 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
697 fi
698 fi
699 fi
700
701 if test "x$TOOLCHAIN_TYPE" = xgcc; then
702 # If this is a --hash-style=gnu system, use --hash-style=both, why?
703 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
704 # This is later checked when setting flags.
705 fi
706
707 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
708 # in executable.'
709 USING_BROKEN_SUSE_LD=no
710 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
711 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
712 echo "SUNWprivate_1.1 { local: *; };" > version-script.map
713 echo "int main() { }" > main.c
714 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
715 AC_MSG_RESULT(no)
716 USING_BROKEN_SUSE_LD=no
717 else
718 AC_MSG_RESULT(yes)
719 USING_BROKEN_SUSE_LD=yes
720 fi
721 rm -rf version-script.map main.c a.out
722 fi
723 AC_SUBST(USING_BROKEN_SUSE_LD)
724 ])
725
726 # Setup the JTReg Regression Test Harness.
727 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
728 [
729 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
730 [Regression Test Harness @<:@probed@:>@])],
731 [],
732 [with_jtreg=no])
733
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657 else
658 HOTSPOT_CXX="$CXX"
659 HOTSPOT_LD="$LD"
660 fi
661 AC_SUBST(HOTSPOT_CXX)
662 AC_SUBST(HOTSPOT_LD)
663
664 if test "x$TOOLCHAIN_TYPE" = xclang; then
665 USE_CLANG=true
666 fi
667 AC_SUBST(USE_CLANG)
668
669 # LDEXE is the linker to use, when creating executables. Not really used.
670 # FIXME: These should just be removed!
671 LDEXE="$LD"
672 LDEXECXX="$LDCXX"
673 AC_SUBST(LDEXE)
674 AC_SUBST(LDEXECXX)
675 ])
676
677 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
678 # [RUN-IF-FALSE])
679 # ------------------------------------------------------------
680 # Check that the c and c++ compilers support an argument
681 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
682 [
683 AC_MSG_CHECKING([if compiler supports "$1"])
684 supports=yes
685
686 saved_cflags="$CFLAGS"
687 CFLAGS="$CFLAGS $1"
688 AC_LANG_PUSH([C])
689 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
690 [supports=no])
691 AC_LANG_POP([C])
692 CFLAGS="$saved_cflags"
693
694 saved_cxxflags="$CXXFLAGS"
695 CXXFLAGS="$CXXFLAG $1"
696 AC_LANG_PUSH([C++])
697 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int i;]])], [],
698 [supports=no])
699 AC_LANG_POP([C++])
700 CXXFLAGS="$saved_cxxflags"
701
702 AC_MSG_RESULT([$supports])
703 if test "x$supports" = "xyes" ; then
704 m4_ifval([$2], [$2], [:])
705 else
706 m4_ifval([$3], [$3], [:])
707 fi
708 ])
709
710 # TOOLCHAIN_LINKER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
711 # [RUN-IF-FALSE])
712 # ------------------------------------------------------------
713 # Check that the linker support an argument
714 AC_DEFUN([TOOLCHAIN_LINKER_CHECK_ARGUMENTS],
715 [
716 AC_MSG_CHECKING([if linker supports "$1"])
717 supports=yes
718
719 saved_ldflags="$LDFLAGS"
720 LDFLAGS="$LDFLAGS -Wl,`$ECHO -n "$1" | tr ' ' ','`"
721 AC_LANG_PUSH([C])
722 AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],[[]])],
723 [], [supports=no])
724 AC_LANG_POP([C])
725 LDFLAGS="$saved_ldflags"
726
727 AC_MSG_RESULT([$supports])
728 if test "x$supports" = "xyes" ; then
729 m4_ifval([$2], [$2], [:])
730 else
731 m4_ifval([$3], [$3], [:])
732 fi
733 ])
734
735 # Do some additional checks on the detected tools.
736 AC_DEFUN_ONCE([TOOLCHAIN_MISC_CHECKS],
737 [
738 # The package path is used only on macosx?
739 # FIXME: clean this up, and/or move it elsewhere.
740 PACKAGE_PATH=/opt/local
741 AC_SUBST(PACKAGE_PATH)
742
743 # Check for extra potential brokenness.
744 if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
745 # On Windows, double-check that we got the right compiler.
746 CC_VERSION_OUTPUT=`$CC 2>&1 | $HEAD -n 1 | $TR -d '\r'`
747 COMPILER_CPU_TEST=`$ECHO $CC_VERSION_OUTPUT | $SED -n "s/^.* \(.*\)$/\1/p"`
748 if test "x$OPENJDK_TARGET_CPU" = "xx86"; then
749 if test "x$COMPILER_CPU_TEST" != "x80x86"; then
750 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "80x86".])
751 fi
752 elif test "x$OPENJDK_TARGET_CPU" = "xx86_64"; then
753 if test "x$COMPILER_CPU_TEST" != "xx64"; then
754 AC_MSG_ERROR([Target CPU mismatch. We are building for $OPENJDK_TARGET_CPU but CL is for "$COMPILER_CPU_TEST"; expected "x64".])
755 fi
756 fi
757 fi
758
759 if test "x$TOOLCHAIN_TYPE" = xgcc; then
760 # If this is a --hash-style=gnu system, use --hash-style=both, why?
761 HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
762 # This is later checked when setting flags.
763
764 # "-Og" suppported for GCC 4.8 and later
765 TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-Og],
766 [HAS_CFLAG_OPTIMIZE_DEBUG=true],
767 [HAS_CFLAG_OPTIMIZE_DEBUG=false])
768
769 # "-z relro" supported in GNU binutils 2.17 and later
770 TOOLCHAIN_LINKER_CHECK_ARGUMENTS([-z relro],
771 [HAS_LINKER_RELRO=true],
772 [HAS_LINKER_RELRO=false])
773
774 # "-z now" supported in GNU binutils 2.11 and later
775 TOOLCHAIN_LINKER_CHECK_ARGUMENTS([-z now],
776 [HAS_LINKER_NOW=true],
777 [HAS_LINKER_NOW=false])
778 fi
779
780 # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
781 # in executable.'
782 USING_BROKEN_SUSE_LD=no
783 if test "x$OPENJDK_TARGET_OS" = xlinux && test "x$TOOLCHAIN_TYPE" = xgcc; then
784 AC_MSG_CHECKING([for broken SuSE 'ld' which only understands anonymous version tags in executables])
785 $ECHO "SUNWprivate_1.1 { local: *; };" > version-script.map
786 $ECHO "int main() { }" > main.c
787 if $CXX -Xlinker -version-script=version-script.map main.c 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD; then
788 AC_MSG_RESULT(no)
789 USING_BROKEN_SUSE_LD=no
790 else
791 AC_MSG_RESULT(yes)
792 USING_BROKEN_SUSE_LD=yes
793 fi
794 rm -rf version-script.map main.c a.out
795 fi
796 AC_SUBST(USING_BROKEN_SUSE_LD)
797 ])
798
799 # Setup the JTReg Regression Test Harness.
800 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_JTREG],
801 [
802 AC_ARG_WITH(jtreg, [AS_HELP_STRING([--with-jtreg],
803 [Regression Test Harness @<:@probed@:>@])],
804 [],
805 [with_jtreg=no])
806
|