--- a/configure.ac	2012-08-08 19:23:14.026623125 +0200
+++ b/configure.ac	2012-08-08 19:23:20.766623326 +0200
@@ -545,7 +545,7 @@
 dnl - Check for GL
 dnl ---------------------------------------------------------------------------
 
-AC_ARG_WITH(gl, [  --with-libgl	  build with GL support])
+AC_ARG_WITH(libgl, [  --with-libgl	build with GL support])
 have_libgl=no
 GL_LIBS=""