Index: configure.ac
===================================================================
--- configure.ac	(revision 20065)
+++ configure.ac	(working copy)
@@ -192,7 +192,7 @@
 				  break], [gc_ok=no], [$gc_libs])
 		    break],
                  [gc_ok=no])
-if test "x$gc_ok" = "xyes"; then
+if test "x$gc_ok" = "xyes" && "x$cross_compiling" = "xno" ; then
 	AC_MSG_CHECKING([libgc version 6.4+])
 	AC_RUN_IFELSE(
 		[AC_LANG_SOURCE([[