perf tools: Fix tags/TAGS targets rebuilding
authorJiri Olsa <jolsa@redhat.com>
Tue, 26 Nov 2013 12:54:12 +0000 (13:54 +0100)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 27 Nov 2013 19:47:14 +0000 (16:47 -0300)
Once the tags/TAGS file is generated it's never rebuilt until it's
removed by hand.

The reason is that the Makefile does not treat tags/TAGS as targets but
as files and thus won't rebuilt them once they are in place.

Adding PHONY tags/TAGS targets into Makefile.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20131126125412.GJ1267@krava.brq.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/Makefile

index 4835618..eefb9fb 100644 (file)
@@ -60,8 +60,11 @@ endef
 
 #
 # Needed if no target specified:
+# (Except for tags and TAGS targets. The reason is that the
+# Makefile does not treat tags/TAGS as targets but as files
+# and thus won't rebuilt them once they are in place.)
 #
-all:
+all tags TAGS:
        $(print_msg)
        $(make)
 
@@ -77,3 +80,5 @@ clean:
 %:
        $(print_msg)
        $(make)
+
+.PHONY: tags TAGS