We should suppress an explicit -L on 64-bit arches, too.

--- libgcrypt-1.2.2/src/libgcrypt-config.in	2006-05-16 18:50:43.000000000 -0400
+++ libgcrypt-1.2.2/src/libgcrypt-config.in	2006-05-16 18:50:50.000000000 -0400
@@ -138,7 +138,8 @@
     libs_final="$libs"
 
     # Set up `libdirs'.
-    if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/lib"; then
+    if test "x$libdir" != "x/usr/lib"   -a "x$libdir" != "x/lib" -a \
+            "x$libdir" != "x/usr/lib64" -a "x$libdir" != "x/lib64"; then
 	libdirs="-L$libdir"
     fi