--- devel/umem/Makefile.old	2014-01-01 18:21:19.866495217 +0800
+++ devel/umem/Makefile	2014-01-01 17:42:01.404672705 +0800
@@ -18,6 +18,7 @@
 NO_STAGE=	yes
 post-patch:
 	@${REINPLACE_CMD} -e 's/ -ldl//g' ${WRKSRC}/Makefile.in
+	@${REINPLACE_CMD} -e 's/#if (!defined(_LP64) \|\| defined(UMEM_PTHREAD_MUTEX_TOO_BIG)) && !defined(_WIN32)/#if 1/' ${WRKSRC}/umem_impl.h
 
 
 MAN3=		umem_alloc.3 umem_cache_create.3 umem_debug.3