From d01cb33f6d01077418f556eb4a8ecbdc58c6d28d Mon Sep 17 00:00:00 2001
From: Christian Ruppert <Spooky85@gmail.com>
Date: Sat, 4 Jul 2009 18:34:23 +0000
Subject: [PATCH] Ensure that Imlib2 has been built with X support.

---
 README.source | 2 +-
 configure.ac  | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.source b/README.source
index 29990b3..185221f 100644
--- a/README.source
+++ b/README.source
@@ -1,4 +1,4 @@
 DEPENDENCIES:
-cairo, pango, glib2, libX11, Xinerama, imlib2
+cairo (whit X support), pango, glib2, libX11, Xinerama, imlib2 (with X support)
 you might need -dev packages on debian
 
diff --git a/configure.ac b/configure.ac
index 988e423..570d990 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,7 @@ AC_CONFIG_SRCDIR([src/tint.c])
 AC_CONFIG_HEADERS([config.h])
 
 # Checks for programs.
+AC_LANG([C])
 AC_PROG_CC
 
 # Checks for libraries.
@@ -45,6 +46,12 @@ PKG_CHECK_MODULES([IMLIB2], [imlib2])
 AC_SUBST(IMLIB2_CFLAGS)
 AC_SUBST(IMLIB2_LIBS)
 
+# Ensure that Imlib2 has been built with X support and reset LIBS since AC_CHECK_LIB adds -lImlib2 on success.
+LIBS_SAVED=$LIBS
+AC_CHECK_LIB([Imlib2], [imlib_context_set_display], [],
+			 AC_MSG_ERROR([Imlib2 must be built with X support]))
+LIBS=$LIBS_SAVED
+
 # Checks for header files.
 AC_PATH_X
 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h sys/time.h unistd.h])
-- 
2.44.0