Fix old-style-declaration warnings

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index d0fa825557abbb2c8b305427713eb4908485ccf8..fbe9abfe9fda78ae69026804ba16bddfecda13e7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -675,7 +675,7 @@ AC_SUBST(LIBDIR)
 
 
 # Set global CFLAGS in AM_CFLAGS
-AM_CFLAGS="-Wall -Wformat $PTHREAD_CFLAGS $GLIB_CFLAGS"
+AM_CFLAGS="-Wall -Wformat -Werror=implicit-function-declaration $PTHREAD_CFLAGS $GLIB_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
 # Set global CPPFLAGS in AM_CPPFLAGS