[libdvdnav-devel] Add -Wextra compilation flags

[Jean-Baptiste Kempf]

libdvdread | branch: master | Jean-Baptiste Kempf <jb at videolan.org> | Sun Jul 27 01:27:28 2014 +0200| [f64e1aedae8f746b97037e41f4adc7c78bda9fa5] | committer: Jean-Baptiste Kempf

Add -Wextra compilation flags

> http://git.videolan.org/gitweb.cgi/libdvdread.git/?a=commit;h=f64e1aedae8f746b97037e41f4adc7c78bda9fa5
---

 configure.ac |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 67aa5cb..7b2dad3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,7 +84,7 @@ AS_IF([test x"$with_libdvdcss" = "xyes"], [
 ])
 AC_SUBST([CSS_REQUIRES])
 
-CC_CHECK_CFLAGS_APPEND([-Wall -Wsign-compare])
+CC_CHECK_CFLAGS_APPEND([-Wall -Wsign-compare -Wextra])
 
 
 AC_ARG_ENABLE([apidoc],