+
+# Enable garbage collection of un-used sections for SPL
+ifeq ($(CONFIG_SPL_BUILD),y)
+CPPFLAGS += -ffunction-sections -fdata-sections
+LDFLAGS_FINAL += --gc-sections
+endif
+
+# TODO(sjg@chromium.org): Is this correct on Mac OS?
+
+# MXSImage needs LibSSL
+ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
+HOSTLIBS += -lssl -lcrypto
+# Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
+# the mxsimage support within tools/mxsimage.c .
+HOSTCFLAGS += -DCONFIG_MXS
+endif
+
+ifdef CONFIG_FIT_SIGNATURE
+HOSTLIBS += -lssl -lcrypto
+
+# This affects include/image.h, but including the board config file
+# is tricky, so manually define this options here.
+HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE
+endif
+
+ifneq ($(CONFIG_SYS_TEXT_BASE),)
+CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
+endif
+
+ifeq ($(CONFIG_SPL_BUILD),y)
+CPPFLAGS += -DCONFIG_SPL_BUILD
+ifeq ($(CONFIG_TPL_BUILD),y)
+CPPFLAGS += -DCONFIG_TPL_BUILD
+endif
+endif
+
+# Does this architecture support generic board init?
+ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
+ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
+CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
+Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
+endif