* [PATCH] perf: Fix clean error
@ 2018-08-27 2:34 Lei YU
0 siblings, 0 replies; only message in thread
From: Lei YU @ 2018-08-27 2:34 UTC (permalink / raw)
To: Philippe Ombredanne, Kate Stewart, Laura Abbott, Masahiro Yamada,
Thomas Gleixner, Greg Kroah-Hartman, Lei YU, linux-kernel,
Joel Stanley
When make perf with -O, it gets error when make clean with below log:
$ make -C tools/perf O=<output/dir> # OK
$ make -C tools/perf O=<output/dir>
find: cannot delete ‘<output/dir>/builtin-script.o’: No such file or directory
find: cannot delete ‘<output/dir>/.subcmd-config.o.cmd’: No such file or directory
...
Makefile:38: recipe for target 'clean' failed
make[2]: *** [clean] Error 1
make[1]: *** [fixdep-clean] Error 2
Makefile:90: recipe for target 'clean' failed
make: *** [clean] Error 2
It happens because both fixdep-clean and libsubcmd-clean will delete
files by `find`, where libsubcmd-clean uses `| xargs $(RM)` and
fixdep-clean uses `-delete`.
When a file is find by fixdep-clean, and tries to delete it, it's found
that the file does not exist because it is deleted by libsubcmd-clean.
This commit changes the delete method of fixdep-clean to use
`| xargs $(RM)` as well, where RM is defined as `rm -f` so it does not
return error when file does not exist.
Signed-off-by: Lei YU <mine260309@gmail.com>
---
tools/build/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/build/Makefile b/tools/build/Makefile
index 5edf65e..ae38db2 100644
--- a/tools/build/Makefile
+++ b/tools/build/Makefile
@@ -18,6 +18,7 @@ $(call allow-override,LD,$(CROSS_COMPILE)ld)
HOSTCC ?= gcc
HOSTLD ?= ld
HOSTAR ?= ar
+RM = rm -f
export HOSTCC HOSTLD HOSTAR
@@ -36,7 +37,7 @@ all: $(OUTPUT)fixdep
clean:
$(call QUIET_CLEAN, fixdep)
- $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.cmd' -delete -o -name '\.*.d' -delete
+ $(Q)find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -o -name '\.*.cmd' -o -name '\.*.d' | xargs $(RM)
$(Q)rm -f $(OUTPUT)fixdep
$(OUTPUT)fixdep-in.o: FORCE
--
2.7.4
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