From eaa2189f189eedce4c10fd0fe56af563ffc00cc5 Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Fri, 7 Nov 2014 20:36:06 -0500
Subject: configure: Check for guile-sdl and guile-opengl.

* configure.ac: Check for (sdl sdl), (sdl mixer), (sdl ttf), and (gl)
  modules.
---
 configure.ac | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 414cbc4..e23db07 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,10 +10,12 @@ AC_CONFIG_FILES([Makefile doc/Makefile examples/Makefile data/Makefile])
 AC_CONFIG_FILES([env], [chmod +x env])
 AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
 
-
-PKG_CHECK_MODULES([SDL], [sdl <= 1.3 sdl >= 1.2])
-PKG_CHECK_MODULES([SDL_tff], [SDL_ttf >= 2.0])
 GUILE_PROGS([2.0.11])
+GUILE_MODULE_REQUIRED([sdl sdl])
+GUILE_MODULE_REQUIRED([sdl mixer])
+GUILE_MODULE_REQUIRED([sdl ttf])
+GUILE_MODULE_REQUIRED([gl])
+
 PKG_CHECK_MODULES([GSL], [gsl])
 # Why doesn't freeimage have a pkg-config file?
 #PKG_CHECK_MODULES([freeimage], [freeimage >= 3.0])
-- 
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