1013               C_O_FLAG_NORM="$C_O_FLAG_NONE"
1014               CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1015               CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1016               JAVAC_FLAGS="$JAVAC_FLAGS -g"
1017               ;;
1018 esac              
1019 
1020                 
1021 AC_SUBST(CFLAGS_JDKLIB)
1022 AC_SUBST(CFLAGS_JDKEXE)
1023 
1024 AC_SUBST(CXXFLAGS_JDKLIB)
1025 AC_SUBST(CXXFLAGS_JDKEXE)
1026 
1027 AC_SUBST(LDFLAGS_JDKLIB)
1028 AC_SUBST(LDFLAGS_JDKEXE)
1029 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1030 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1031 AC_SUBST(LDFLAGS_CXX_JDK)
1032 ])

1013               C_O_FLAG_NORM="$C_O_FLAG_NONE"
1014               CXX_O_FLAG_HI="$CXX_O_FLAG_NONE"
1015               CXX_O_FLAG_NORM="$CXX_O_FLAG_NONE"
1016               JAVAC_FLAGS="$JAVAC_FLAGS -g"
1017               ;;
1018 esac              
1019 
1020                 
1021 AC_SUBST(CFLAGS_JDKLIB)
1022 AC_SUBST(CFLAGS_JDKEXE)
1023 
1024 AC_SUBST(CXXFLAGS_JDKLIB)
1025 AC_SUBST(CXXFLAGS_JDKEXE)
1026 
1027 AC_SUBST(LDFLAGS_JDKLIB)
1028 AC_SUBST(LDFLAGS_JDKEXE)
1029 AC_SUBST(LDFLAGS_JDKLIB_SUFFIX)
1030 AC_SUBST(LDFLAGS_JDKEXE_SUFFIX)
1031 AC_SUBST(LDFLAGS_CXX_JDK)
1032 ])
1033 
1034 
1035 # TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([ARGUMENT], [RUN-IF-TRUE],
1036 #                                   [RUN-IF-FALSE])
1037 # ------------------------------------------------------------
1038 # Check that the c and c++ compilers support an argument
1039 AC_DEFUN([TOOLCHAIN_COMPILER_CHECK_ARGUMENTS],
1040 [
1041   AC_MSG_CHECKING([if compiler supports "$1"])
1042   supports=yes
1043 
1044   saved_cflags="$CFLAGS"
1045   CFLAGS="$CFLAGS $1"
1046   AC_LANG_PUSH([C])
1047   AC_COMPILE_IFELSE([
1048     AC_LANG_SOURCE([[int i;]])
1049   ], [], [supports=no])
1050   AC_LANG_POP([C])
1051   CFLAGS="$saved_cflags"
1052 
1053   saved_cxxflags="$CXXFLAGS"
1054   CXXFLAGS="$CXXFLAG $1"
1055   AC_LANG_PUSH([C++])
1056   AC_COMPILE_IFELSE([
1057     AC_LANG_SOURCE([[int i;]])
1058   ], [], [supports=no])
1059   AC_LANG_POP([C++])
1060   CXXFLAGS="$saved_cxxflags"
1061 
1062   AC_MSG_RESULT([$supports])
1063   if test "x$supports" = "xyes" ; then
1064     m4_ifval([$2], [$2], [:])
1065   else
1066     m4_ifval([$3], [$3], [:])
1067   fi
1068 ])
1069 
1070 AC_DEFUN_ONCE([TOOLCHAIN_SETUP_COMPILER_FLAGS_MISC],
1071 [
1072   # Some Zero and Shark settings.
1073   # ZERO_ARCHFLAG tells the compiler which mode to build for
1074   case "${OPENJDK_TARGET_CPU}" in
1075     s390)
1076       ZERO_ARCHFLAG="-m31"
1077       ;;
1078     *)
1079       ZERO_ARCHFLAG="-m${OPENJDK_TARGET_CPU_BITS}"
1080   esac
1081   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([$ZERO_ARCHFLAG], [], [ZERO_ARCHFLAG=""])
1082   AC_SUBST(ZERO_ARCHFLAG)
1083 
1084   # Check that the compiler supports -mX flags
1085   # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
1086   TOOLCHAIN_COMPILER_CHECK_ARGUMENTS([-m${OPENJDK_TARGET_CPU_BITS}],
1087     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
1088     [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
1089   AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
1090 ])