Currently if we build single target like: $ touch util/map.c && make util/map.o
It will not rebuild util/map.o if it already exists and util/map.c is modified. The reason is that the top-level 'Makefile' processes util/map.o as an implicit rule and if util/map.o exists make considers the 'util/map.o' target as done and wouldn't nest into Makefile.perf. Adding FORCE for '%', because that's what we want to nest into Makefile.perf for any target. Adding Makefile into phony targets, because make tries to rebuilt it and it's also resolved as '%' target. Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/Makefile b/tools/perf/Makefile index d31a7bbd7cee..480546d5f13b 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -83,8 +83,8 @@ build-test: # # All other targets get passed through: # -%: +%: FORCE $(print_msg) $(make) -.PHONY: tags TAGS +.PHONY: tags TAGS FORCE Makefile -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
