From e9a2509837ef8c57e92cbba21ba6252339445bb9 Mon Sep 17 00:00:00 2001
From: "Zephaniah E. Hull" <warp@babylon.d2dc.net>
Date: Mon, 21 May 2001 06:27:01 +0000
Subject: [PATCH] Deal with the case of no -lX11 but with a valid libGL, for
 -3dfx.

---
 configure.in | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/configure.in b/configure.in
index cf80e6a1d..662ab6905 100644
--- a/configure.in
+++ b/configure.in
@@ -602,6 +602,18 @@ if test "x$glx_libraries" != xauto -a "x$glx_libraries" != xno -a "x$glx_librari
 				[ -L$glx_libraries -lX11 $X_EXTRA_LIBS ]
 			)
 		fi
+		AC_CHECK_LIB(GL, glColor4f,
+			HAVE_GLX=yes
+			OGL_NAME=GL,,
+			[ -L$glx_libraries ]
+		)
+		if test "x$HAVE_GLX" != xyes; then
+			AC_CHECK_LIB(MesaGL, glColor4f,
+				HAVE_GLX=yes
+				OGL_NAME=MesaGL,,
+				[ -L$glx_libraries ]
+			)
+		fi
 		if test "x$HAVE_GLX" != xyes; then
 			AC_CHECK_LIB(opengl32, glColor4f,
 				HAVE_GLX=yes