$(curdir)//compile = $(1)/prepare
$(curdir)//install = $(1)/compile
-$(eval $(call stampfile,$(curdir),toolchain,install))
+$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed:
+
+$(eval $(call stampfile,$(curdir),toolchain,install,$(TOOLCHAIN_DIR)/stamp/.gcc-initial_installed))
$(eval $(call subdir,$(curdir)))