From 621da4ba0e244ba3cfb2e8a9a9055299ec0ab0d3 Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@socionext.com>
Date: Thu, 22 Aug 2019 13:46:09 +0900
Subject: [PATCH] kbuild: Inform user to pass ARCH= for make mrproper only when
necessary
Since commit 3a475b2166fd ("kbuild: Inform user to pass ARCH= for make
mrproper"), if you try out-of-tree build with an unclean source tree,
it suggests to run 'make ARCH=<ARCH> mrproper'.
This looks odd when you are not cross-compiling the kernel. Show the
'ARCH=<ARCH>' part only when ARCH= was given from the command line.
If ARCH is the default (native build) or came from the environment,
it should simply suggest 'make mrproper' as before.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index c79c85126f0c5..d5d0742efeb2f 100644
--- a/Makefile
+++ b/Makefile
@@ -1118,7 +1118,7 @@ ifdef building_out_of_srctree
$(Q)if [ -f $(srctree)/.config -o \
-d $(srctree)/include/config -o \
-d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
- echo >&2 " $(srctree) is not clean, please run 'make ARCH=$(ARCH) mrproper'"; \
+ echo >&2 " $(srctree) is not clean, please run 'make$(if $(findstring command line, $(origin ARCH)), ARCH=$(ARCH)) mrproper'"; \
echo >&2 " in the '$(srctree)' directory.";\
/bin/false; \
fi;
--
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