common/autoconf/toolchain.m4

*** 428,439 ****
--- 428,445 ----
  # Find the right assembler.
  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
      AC_PATH_PROG(AS, as)
      BASIC_FIXUP_EXECUTABLE(AS)
  else
+   # Enforce preprocessing of assembler files for GCC
+   if test "x$ac_compiler_gnu" = "xyes"; then
+      AS="$CC -c -x assembler-with-cpp "
+   else
       AS="$CC -c"
+   fi
  fi
+ AC_MSG_NOTICE([Using $AS as assembler])
  AC_SUBST(AS)
  
  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
      AC_PATH_PROG(NM, nm)
      BASIC_FIXUP_EXECUTABLE(NM)