Commit 30cef68d authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

kbuild: reuse this-makefile to define abs_srctree 



Move this-makefile up, and reuse it to define abs_srctree.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent f91e46b1

Makefile

+2 −3
Original line number Diff line number Diff line
@@ -145,7 +145,8 @@ else 
need-sub-make := 1

endif



abs_srctree := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))

this-makefile := $(lastword $(MAKEFILE_LIST))

abs_srctree := $(realpath $(dir $(this-makefile)))



ifneq ($(words $(subst :, ,$(abs_srctree))), 1)

$(error source directory cannot contain spaces or colons)
@@ -160,8 +161,6 @@ MAKEFLAGS += --include-dir=$(abs_srctree) 
need-sub-make := 1

endif



this-makefile := $(lastword $(MAKEFILE_LIST))



ifneq ($(filter 3.%,$(MAKE_VERSION)),)

# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x

# We need to invoke sub-make to avoid implicit rules in the top Makefile.