Since commit fcbb8461fd23 ("kbuild: remove header compile test"),
'make clean' with O= option in the pristine source tree emits
'No such file or directory' warning.
$ git clean -d -f -x
$ make O=foo clean
make[1]: Entering directory '/home/masahiro/linux/foo'
find: ‘usr/include’: No such file or directory
make[1]: Leaving directory '/home/masahiro/linux/foo'
Fixes: fcbb8461fd23 ("kbuild: remove header compile test")
Reported-by: kbuild test robot <lkp@xxxxxxxxx>
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---
usr/include/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/usr/include/Makefile b/usr/include/Makefile
index 24543a30b9f0..e5895a79c45f 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -95,7 +95,7 @@ endif
# asm-generic/*.h is used by asm/*.h, and should not be included directly
header-test- += asm-generic/%
-extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h'))
+extra-y := $(patsubst $(obj)/%.h,%.hdrtest, $(shell find $(obj) -name '*.h' 2>/dev/null))
quiet_cmd_hdrtest = HDRTEST $<
cmd_hdrtest = \
--
2.17.1
