--- Makefile.orig	2012-08-14 02:09:31.000000000 -0500
+++ Makefile	2012-09-21 04:18:37.000000000 -0500
@@ -450,7 +450,9 @@
 ifneq ($(USE_LIBCRYPT),)
 OPTIONS_CFLAGS  += -DCONFIG_HAP_CRYPT
 BUILD_OPTIONS   += $(call ignore_implicit,USE_LIBCRYPT)
+ifneq ($(shell uname -s),Darwin)
 OPTIONS_LDFLAGS += -lcrypt
+endif
 endif
 
 ifneq ($(USE_CRYPT_H),)