From: Masahiro Yamada <masahiroy@kernel.org>
Date: Sun, 21 Feb 2021 16:50:19 +0000 (+0900)
Subject: kbuild: reuse this-makefile to define abs_srctree
X-Git-Tag: v5.12-rc1~35^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=30cef68d2d19e48c5832b126d3f4a7aeae5a64d6;p=thirdparty%2Fkernel%2Flinux.git

kbuild: reuse this-makefile to define abs_srctree

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

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

diff --git a/Makefile b/Makefile
index 4dafeae67f54e..667602a74a05f 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.