The check cleans and rebuilds the toolchain if it changed on update.
When building from a source tarball, it is reasonable to expect that
there will be no updates, so no rebuild check is necessary
Signed-off-by: Felix Fietkau <nbd@nbd.name>
endif
ifdef CONFIG_BUILDBOT
+ifneq ($(wildcard $(TOPDIR)/.git),)
$(TOOLCHAIN_DIR)/stamp/.ver_check: $(TMP_DIR)/.build
cd "$(TOPDIR)"; git log --format=%h -1 toolchain > $(TMP_DIR)/.ver_check
cmp -s $(TMP_DIR)/.ver_check $@ || { \
$(TOOLCHAIN_DIR)/info.mk $(STAGING_DIR)/.prepared: $(TOOLCHAIN_DIR)/stamp/.ver_check
endif
+endif
# prerequisites for the individual targets
$(curdir)/ := .config prereq