kbuild: refactor Makefile.asm-generic

- Use conventional $(MAKE) $(asm-generic)=<dir> style
   for directory descending

 - Remove unneeded FORCE since "all" is a phony target

 - Remove unneeded "_dummy :=" assignment

 - Skip $(shell mkdir ...) when headers exist in the directory

 - Misc cleanups

Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Sam Ravnborg <[email protected]>
This commit is contained in:
Masahiro Yamada 2018-12-05 20:28:04 +09:00
commit 7d0e5c2056
2 changed files with 23 additions and 22 deletions

View file

@ -1119,13 +1119,13 @@ prepare0: archprepare
prepare: prepare0 prepare-objtool
# Support for using generic headers in asm-generic
asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj
PHONY += asm-generic uapi-asm-generic
asm-generic: uapi-asm-generic
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
src=asm obj=arch/$(SRCARCH)/include/generated/asm
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm
uapi-asm-generic:
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm
$(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm
PHONY += prepare-objtool
prepare-objtool: $(objtool_target)