--- configure.ac.orig	2006-09-10 13:14:22.000000000 -0400
+++ configure.ac	2006-09-10 13:13:53.000000000 -0400
@@ -61,9 +61,11 @@
 
 dnl XXX Choose /usr/lib or /usr/lib64 for library installs.
 MARK64=
-case "${target_cpu}" in
-x86_64*|powerpc64*|ppc64*|sparc64*|s390x*)        MARK64=64 ;;
-esac
+if ! echo "${libdir}" | grep -q '64$' ; then
+	case "${target_cpu}" in
+	x86_64*|powerpc64*|ppc64*|sparc64*|s390x*) MARK64=64 ;;
+	esac
+fi
 AC_SUBST(MARK64)
 
 AC_CHECK_HEADERS(alloca.h float.h libintl.h mcheck.h unistd.h)