blob: e4d017d5381949243337b78c56284bb52a43c610
| 1 | # include/asm-generic contains a lot of files that are used |
| 2 | # verbatim by several architectures. |
| 3 | # |
| 4 | # This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild |
| 5 | # and for each file listed in this file with generic-y creates |
| 6 | # a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm) |
| 7 | |
| 8 | kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild |
| 9 | -include $(kbuild-file) |
| 10 | |
| 11 | include scripts/Kbuild.include |
| 12 | |
| 13 | # Create output directory if not already present |
| 14 | _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) |
| 15 | |
| 16 | # Stale wrappers when the corresponding files are removed from generic-y |
| 17 | # need removing. |
| 18 | generated-y := $(generic-y) $(genhdr-y) $(generated-y) |
| 19 | all-files := $(patsubst %, $(obj)/%, $(generated-y)) |
| 20 | old-headers := $(wildcard $(obj)/*.h) |
| 21 | unwanted := $(filter-out $(all-files),$(old-headers)) |
| 22 | |
| 23 | quiet_cmd_wrap = WRAP $@ |
| 24 | cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@ |
| 25 | |
| 26 | quiet_cmd_remove = REMOVE $(unwanted) |
| 27 | cmd_remove = rm -f $(unwanted) |
| 28 | |
| 29 | all: $(patsubst %, $(obj)/%, $(generic-y)) FORCE |
| 30 | $(if $(unwanted),$(call cmd,remove),) |
| 31 | @: |
| 32 | |
| 33 | $(obj)/%.h: |
| 34 | $(call cmd,wrap) |
| 35 | |
| 36 | PHONY += FORCE |
| 37 | .PHONY: $(PHONY) |
| 38 | FORCE: ; |
| 39 |