* configure.ac: Add additional warning flags.

[pf3gnuchains/gcc-fork.git] / libgfortran / configure

diff --git a/libgfortran/configure b/libgfortran/configure
index 43b87a8..da18e68 100755 (executable)
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -2937,7 +2937,7 @@ if test "x$GCC" = "xyes"; then
   AM_FCFLAGS="-Wall"
   ## We like to use C99 routines when available.  This makes sure that
   ## __STDC_VERSION__ is set such that libc includes make them available.
-  AM_CFLAGS="-std=gnu99 -Wall -Wstrict-prototypes"
+  AM_CFLAGS="-std=gnu99 -Wall -Wstrict-prototypes  -Wmissing-prototypes -Wold-style-definition -Wextra -Wwrite-strings"
 fi