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

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
......@@ -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
@:
......
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