[gthumb] added the maintainer mode and c++ wanrings

[Paolo Bacchilega <paobac src gnome org>]

commit 2dc57605aeadc7563777655ef51831d739152688
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Jan 16 14:46:19 2010 +0100

    added the maintainer mode and c++ wanrings

 configure.ac |   20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9a586cc..99ee40a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,17 +1,24 @@
+AC_PREREQ([2.57])
 AC_INIT([gthumb], [2.11.1], [http://bugzilla.gnome.org/enter_bug.cgi?product=gthumb])
+AM_INIT_AUTOMAKE([1.9 foreign])
 
-GNOME_COMMON_INIT
-
-AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([configure.ac])
 
-AM_INIT_AUTOMAKE([1.9 foreign])
+if test -z "$enable_maintainer_mode"; then
+  enable_maintainer_mode=yes
+fi
+AM_MAINTAINER_MODE([enable])
+
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
 
+AM_PROG_LIBTOOL
+
 AC_ISC_POSIX
 AC_PROG_CC
 AM_PROG_CC_STDC
+AM_PROG_CC_C_O
 AC_HEADER_STDC
 AC_C_BIGENDIAN
 AC_PROG_CPP
@@ -20,10 +27,11 @@ AC_PROG_CXX
 AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal)
 AC_PATH_PROG(GLIB_MKENUMS, glib-mkenums)
 
-AM_PROG_LIBTOOL
+GNOME_COMMON_INIT
 GNOME_DOC_INIT
-GNOME_COMPILE_WARNINGS([maximum])
 GNOME_MAINTAINER_MODE_DEFINES
+GNOME_COMPILE_WARNINGS([maximum])
+GNOME_CXX_WARNINGS
 
 GLIB_REQUIRED=2.16.0
 GTK_REQUIRED=2.16.0