diff options
| -rw-r--r-- | configure.ac | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 0fd8c1e4..2e7f97b2 100644 --- a/configure.ac +++ b/configure.ac @@ -588,8 +588,9 @@ if test "$GCC" = yes ; then do AC_MSG_CHECKING([if $CC accepts $NEW_FLAG]) OLD_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $NEW_FLAG" - AC_COMPILE_IFELSE([AC_LANG_SOURCE([void foo(void) { }])], [ + CFLAGS="$CFLAGS $NEW_FLAG -Werror" + AC_COMPILE_IFELSE([AC_LANG_SOURCE( + [void foo(void); void foo(void) { }])], [ AM_CFLAGS="$AM_CFLAGS $NEW_FLAG" AC_MSG_RESULT([yes]) ], [ |