* [PATCH] kbuild: reuse this-makefile to define abs_srctree
@ 2021-02-21 16:50 Masahiro Yamada
0 siblings, 0 replies; only message in thread
From: Masahiro Yamada @ 2021-02-21 16:50 UTC (permalink / raw)
To: linux-kbuild; +Cc: linux-kernel, Masahiro Yamada, Michal Marek
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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2021-02-21 16:50 [PATCH] kbuild: reuse this-makefile to define abs_srctree Masahiro Yamada
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