LDFLAGS_FINAL += --gc-sections
endif
+# TODO(sjg@chromium.org): Is this correct on Mac OS?
+ifdef CONFIG_FIT_SIGNATURE
+HOSTLIBS += -lssl -lcrypto
+
+# This affects include/image.h, but including the board config file
+# is tricky, so manually define this options here.
+HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE
+endif
+
ifneq ($(CONFIG_SYS_TEXT_BASE),)
CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
endif