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Commit 80d0dda3 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: simplify command line creation in scripts/mkmakefile 



Assuming we never invoke the generated Makefile from outside of
the $(objtree) directory, $(CURDIR) points to the absolute path
of $(objtree).

BTW, 'lastword' is natively supported by GNU Make 3.81+, which
is the current requirement for building the kernel.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
parent 4fd61277

scripts/mkmakefile

+1 −7
Original line number Diff line number Diff line
@@ -20,9 +20,6 @@ fi 
cat << EOF > Makefile

# Automatically generated by $0: don't edit



lastword = \$(word \$(words \$(1)),\$(1))

makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))



ifeq ("\$(origin V)", "command line")

VERBOSE := \$(V)

endif
@@ -30,15 +27,12 @@ ifneq (\$(VERBOSE),1) 
Q := @

endif



MAKEARGS := -C $1

MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir))



MAKEFLAGS += --no-print-directory



.PHONY: __sub-make \$(MAKECMDGOALS)



__sub-make:

	\$(Q)\$(MAKE) \$(MAKEARGS) \$(MAKECMDGOALS)

	\$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)



\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make

	@: