common/autoconf/flags.m4

rev 997 : 8037825: Fix warnings and enable "warnings as errors" in serviceability native libraries
Reviewed-by:

*** 733,738 ****
--- 733,754 ----
    # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
    FLAGS_COMPILER_CHECK_ARGUMENTS([${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
        [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
        [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
    AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
+ 
+   case "${TOOLCHAIN_TYPE}" in
+     microsoft)
+       CFLAGS_WARNINGS_ARE_ERRORS="/WX"
+       ;;
+     solstudio)
+       CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
+       ;;
+     gcc)
+       CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
+       ;;
+     clang)
+       CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
+       ;;
+   esac
+   AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
  ])