From e1cbfda259d2bfd2a87cda3519fd2cd69e509556 Mon Sep 17 00:00:00 2001
From: infirit <infirit@gmail.com>
Date: Fri, 21 Nov 2014 17:18:30 +0100
Subject: activate compiler warnings
Based on FR commit: 1ceb60e36079e1337aed053b62d327bc2e89fafc
From: Paolo Bacchilega <paobac@src.gnome.org>
---
configure.ac | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/configure.ac b/configure.ac
index 4aa833e..96ecc2a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,26 @@ AC_SUBST([GTK_LIBS])
dnl ===========================================================================
+WARN_CFLAGS="-Wall -Wcast-align -Wtype-limits -Wclobbered -Wempty-body -Wignored-qualifiers"
+
+for option in $WARN_CFLAGS; do
+ SAVE_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS $option"
+ AC_MSG_CHECKING([whether gcc understands $option])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[has_option=yes],[has_option=no])
+ if test x$has_option = xyes; then
+ WARNINGS="$WARNINGS $option"
+ fi
+ AC_MSG_RESULT($has_option)
+ CFLAGS="$SAVE_CFLAGS"
+ unset has_option
+ unset SAVE_CFLAGS
+done
+unset option
+CFLAGS="$CFLAGS $WARNINGS"
+
+dnl ===========================================================================
+
AC_ARG_ENABLE(run_in_place,
AS_HELP_STRING([--enable-run-in-place],
[load ui data and extensions from the source tree]),,
--
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