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Subject[PATCH] kbuild: reuse this-makefile to define abs_srctree
Date
Move this-makefile up, and reuse it to define abs_srctree.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
---

Makefile | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index ade44ac4cc2f..b127881e6bf0 100644
--- a/Makefile
+++ b/Makefile
@@ -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.
--
2.27.0
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