1# SPDX-License-Identifier: GPL-2.0-only 2 3include include/config/auto.conf 4include $(srctree)/scripts/Kbuild.include 5 6# for c_flags 7include $(srctree)/scripts/Makefile.lib 8 9quiet_cmd_cc_o_c = CC $@ 10 cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< 11 12%.o: %.c FORCE 13 $(call if_changed_dep,cc_o_c) 14 15targets := $(MAKECMDGOALS) 16 17# Add FORCE to the prequisites of a target to force it to be always rebuilt. 18# --------------------------------------------------------------------------- 19 20PHONY += FORCE 21FORCE: 22 23# Read all saved command lines and dependencies for the $(targets) we 24# may be building above, using $(if_changed{,_dep}). As an 25# optimization, we don't need to read them if the target does not 26# exist, we will rebuild anyway in that case. 27 28existing-targets := $(wildcard $(sort $(targets))) 29 30-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) 31 32.PHONY: $(PHONY) 33