| # include/asm-generic contains a lot of files that are used |
| # verbatim by several architectures. |
| # This Makefile reads the file arch/$(SRCARCH)/include/asm/Kbuild |
| # and for each file listed in this file with generic-y creates |
| # a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm) |
| kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild |
| include scripts/Kbuild.include |
| # Create output directory if not already present |
| _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj)) |
| # Stale wrappers when the corresponding files are removed from generic-y |
| generated-y := $(generic-y) $(genhdr-y) $(generated-y) |
| all-files := $(patsubst %, $(obj)/%, $(generated-y)) |
| old-headers := $(wildcard $(obj)/*.h) |
| unwanted := $(filter-out $(all-files),$(old-headers)) |
| cmd_wrap = echo "\#include <asm-generic/$*.h>" >$@ |
| quiet_cmd_remove = REMOVE $(unwanted) |
| cmd_remove = rm -f $(unwanted) |
| all: $(patsubst %, $(obj)/%, $(generic-y)) FORCE |
| $(if $(unwanted),$(call cmd,remove),) |