https://github.com/dvandok/globus-macports/blob/8f49ce9c4f85a2b1ff4019b2f3295240ba1f777a/ports/voms/files/voms-empty-replib.patch
--- src/replib/dummy.c.orig	1970-01-01 01:00:00.000000000 +0100
+++ src/replib/dummy.c	2013-03-21 14:33:11.004031149 +0100
@@ -0,0 +1,5 @@
+/* just a dummy function to make sure we don't have an empty replib */
+
+static int dummy() {
+    return 0;
+}
--- src/replib/Makefile.am.orig	2012-10-27 13:50:06.000000000 +0200
+++ src/replib/Makefile.am	2013-03-21 14:20:16.536028177 +0100
@@ -1,6 +1,6 @@
 noinst_LTLIBRARIES = librep.la
 
-librep_la_SOURCES =
+librep_la_SOURCES = dummy.c
 librep_la_LIBADD	= @LTLIBOBJS@
 
 librep_la_CFLAGS = \