diff -Naur xorg-server-1.7.6/configure.ac xorg-server-1.7.6-magellan/configure.ac
--- xorg-server-1.7.6/configure.ac	2010-03-17 01:50:41.000000000 +0100
+++ xorg-server-1.7.6-magellan/configure.ac	2010-04-30 00:32:14.000000000 +0200
@@ -196,6 +196,7 @@
 dnl has it in libc), or if libdl is needed to get it.
 AC_CHECK_FUNC([dlopen], [],
 	AC_CHECK_LIB([dl], [dlopen], DLOPEN_LIBS="-ldl"))
+AC_SUBST(DLOPEN_LIBS)
 
 dnl Checks for library functions.
 AC_FUNC_VPRINTF