author: Masahiro Yamada <masahiroy@kernel.org> 2021-05-17 16:03:11 +0900
committer: Masahiro Yamada <masahiroy@kernel.org> 2021-05-27 03:59:29 +0900
commit: 2728fcfa4fcc0c4152629c48d49c3bd5f9008329
parent: 92f378f19e947eeffc52c427cd734f7b19eb54c4
Commit Summary:
Diffstat:
1 file changed, 8 insertions, 2 deletions
diff --git a/Makefile b/Makefile
index 4dcfe9c48d60..504327207d66 100644
--- a/Makefile
+++ b/Makefile
@@ -544,14 +544,21 @@ scripts_basic:
$(Q)rm -f .tmp_quiet_recordmcount
PHONY += outputmakefile
+ifdef building_out_of_srctree
# Before starting out-of-tree build, make sure the source tree is clean.
# 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
+
+quiet_cmd_makefile = GEN Makefile
+ cmd_makefile = { \
+ echo "\# Automatically generated by $(srctree)/Makefile: don't edit"; \
+ echo "include $(srctree)/Makefile"; \
+ } > Makefile
+
outputmakefile:
-ifdef building_out_of_srctree
$(Q)if [ -f $(srctree)/.config -o \
-d $(srctree)/include/config -o \
-d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
@@ -562,7 +569,7 @@ ifdef building_out_of_srctree
false; \
fi
$(Q)ln -fsn $(srctree) source
- $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree)
+ $(call cmd,makefile)
$(Q)test -e .gitignore || \
{ echo "# this is build directory, ignore it"; echo "*"; } > .gitignore
endif