Source
--- Makefile.orig 2018-06-22 13:58:22.000000000 +0000
+++ Makefile 2018-06-24 02:00:00.000000000 +0000
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),)
OPTIONS_CFLAGS += -DNEED_CRYPT_H