X-Git-Url: https://git.ralfj.de/gltest.git/blobdiff_plain/06ad8dcac2fac86d1f6715a51b50356a68ffe362..b4dc0596570275aa9def5ff63af951beb8473d58:/glxbackend.cpp

diff --git a/glxbackend.cpp b/glxbackend.cpp
index a957e5b..97e6937 100644
--- a/glxbackend.cpp
+++ b/glxbackend.cpp
@@ -24,6 +24,10 @@
 #include <GL/glxext.h>
 #include <string>
 
+#if !defined(CON_GL1)
+#error "Valid GL contexts for GLX are: GL1"
+#endif
+
 // attributes for a double buffered visual in RGBA format with at least 4 bits per color
 static int attrList[] =                                             
 {