From a647f3f1f037b1ca3a41d78075084d6990798b8d Mon Sep 17 00:00:00 2001
From: Andrey Kiselev <dron@ak4719.spb.edu>
Date: Wed, 30 Nov 2005 14:26:58 +0000
Subject: [PATCH] Added -Wextra to the gcc flags in VL_PROG_CC_WARNINGS macro.

---
 m4/acinclude.m4 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/m4/acinclude.m4 b/m4/acinclude.m4
index d236a6bc..4fbbe07e 100644
--- a/m4/acinclude.m4
+++ b/m4/acinclude.m4
@@ -41,9 +41,9 @@ EOF
       dnl GCC
       if test "$GCC" = "yes"; then
         if test -z "$ansi"; then
-          vl_cv_prog_cc_warnings="-Wall"
+          vl_cv_prog_cc_warnings="-Wall -Wextra"
         else
-          vl_cv_prog_cc_warnings="-Wall -ansi -pedantic"
+          vl_cv_prog_cc_warnings="-Wall -Wextra -ansi -pedantic"
         fi
 
       dnl Most compilers print some kind of a version string with some command