From 3a51ff344204e4f23b6ee9c564ac76e207a9e130 Mon Sep 17 00:00:00 2001
From: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com>
Date: Sun, 3 Feb 2019 10:48:40 +0200
Subject: [PATCH] kbuild: gitignore output directory
When compiling into output directory using O=, many files
created under KBUILD_OUTPUT that git considers
as new ones; git clients, ex. "git gui" lists it, and it clutters
file list making it difficult to see what was really changed
Generate .gitignore in output directory that ignores all
its content
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@linux.intel.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
Makefile | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Makefile b/Makefile
index 97ee0be24d52b..d487fca342c49 100644
--- a/Makefile
+++ b/Makefile
@@ -483,10 +483,13 @@ PHONY += outputmakefile
# outputmakefile generates a Makefile in the output directory, if using a
# separate output directory. This allows convenient use of make in the
# output directory.
+# At the same time when output Makefile generated, generate .gitignore to
+# ignore whole output directory
outputmakefile:
ifneq ($(KBUILD_SRC),)
$(Q)ln -fsn $(srctree) source
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
+ $(Q){ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
endif
ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),)
--
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