From 5d5b1cfaf194883fbfd0950f66a5d3287fdd1b5d Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Mon, 5 Mar 2012 22:52:58 +0100
Subject: Check for GTK3

---
 configure.ac | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index f0c768e..f86682e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,10 +24,29 @@ if test "$PKG_CONFIG" = "no" ; then
 	echo "*** pkg-config not found.  Do you have pkg-config installed?"
 fi
 
-AM_PATH_GTK_2_0(2.0.0,,AC_MSG_ERROR([
-*** GTK+ 2.6.0 or above is required by OpenMooCow but no GTK+2 was found.
-*** Please make sure you have the GTK+ development files installed. The
-*** latest version of GTK+ is always available at http://www.gtk.org/.]))
+PKG_CHECK_MODULES([GTK3], [gtk+-3.0 > 2.90.0],
+[
+
+     AC_DEFINE([HAVE_GTK3], [1], [Define to 1 if GTK3 is available])
+     GTK2_CFLAGS=""
+     GTK2_LIBS=""
+
+], [
+
+  PKG_CHECK_MODULES([GTK2], [gtk+-2.0 > 2.0.0],
+  [
+
+      AC_DEFINE([HAVE_GTK2], [1], [Define to 1 if GTK2 is available])
+      GTK3_CFLAGS=""
+      GTK3_LIBS=""
+
+  ], [
+      AC_MSG_ERROR([*** You need at least GTK+-2.0 to compile OpenMooCow])
+  ])
+
+])
+
+
 
 AC_MSG_CHECKING([SDL])
 if $PKG_CONFIG sdl ; then
@@ -39,8 +58,8 @@ else
         AC_MSG_ERROR([*** SDL not found.  Do you have 'libsdl-dev' or similar installed?])
 fi
 
-CFLAGS="$CFLAGS $GTK_CFLAGS $LIBSDL_CFLAGS"
-LIBS="$LIBS $GTK_LIBS $LIBSDL_LIBS -lgthread-2.0"
+CFLAGS="$CFLAGS $GTK2_CFLAGS $GTK3_CFLAGS $LIBSDL_CFLAGS"
+LIBS="$LIBS $GTK2_LIBS $GTK3_LIBS $LIBSDL_LIBS -lgthread-2.0"
 
 AC_CONFIG_FILES([Makefile src/Makefile data/Makefile])
 AC_OUTPUT
-- 
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