[file-roller] enable more warnings only when --enable-debug is used

[Paolo Bacchilega <paobac src gnome org>]

commit 46ce43fe9b36433a7d97972378a97e2dd0b5a46f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Thu Jun 28 09:19:38 2012 +0200

    enable more warnings only when --enable-debug is used

 configure.ac |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 5f5e7a2..93e5370 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,7 +59,11 @@ fi
 
 dnl ===========================================================================
 
+if test x$ENABLE_DEBUG = xyes; then
 WARN_CFLAGS="-Wall -Wcast-align -Wtype-limits -Wclobbered -Wempty-body -Wignored-qualifiers -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-sign-compare"
+else
+WARN_CFLAGS="-Wall"
+fi
 
 for option in $WARN_CFLAGS; do
 	SAVE_CFLAGS="$CFLAGS"