diff --git a/configure.ac b/configure.ac
index b01e5fa..943890b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -151,7 +151,7 @@ fi
 # Checks for header files.
 # ^^^^^^^^^^^^^^^^^^^^^^^^
 
-AC_CHECK_HEADERS([GL/gl.h])
+# AC_CHECK_HEADERS([GL/gl.h])
 
 # Checks for typedefs, structures, and compiler characteristics.
 # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/src/typedef.h b/src/typedef.h
index 8d2efcc..0ba62fe 100644
--- a/src/typedef.h
+++ b/src/typedef.h
@@ -27,7 +27,7 @@
 
 // comment this out if you have no GL/gl.h available...
 
-#define HAVE_GL_H	// 2008-07-31 ; also with mingw comment this out???
+// #define HAVE_GL_H	// 2008-07-31 ; also with mingw comment this out???
 
 // added by Robert Williams for Compaq cxx, alpha 11/28/01