[gtkglarea/jjardon/epoxy: 3/3] configure.ac: Check correctly for shaders support



commit 583a2a91a08634614aea849b15a66e3b6de1ab4d
Author: Javier Jardón <jjardon gnome org>
Date:   Mon Apr 7 13:36:34 2014 +0100

    configure.ac: Check correctly for shaders support

 configure.ac |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index bcda494..31bce41 100644
--- a/configure.ac
+++ b/configure.ac
@@ -86,8 +86,8 @@ PKG_CHECK_MODULES([GL],[
 saved_LIBS="$LIBS"
 AC_MSG_CHECKING([OpenGL shaders])
 LIBS="$saved_LIBS $GL_LIBS"
-AC_LINK_IFELSE([AC_LANG_PROGRAM([[]],
-                                [[ char glCreateProgram(); glCreateProgram(); ]])],
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <epoxy/gl.h>]],
+                                [[glCreateShader(GL_VERTEX_SHADER);]])],
                [have_shaders=yes],[have_shaders=no])
 AC_MSG_RESULT($have_shaders)
 LIBS="$saved_LIBS"


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