[PATCH 06/11] perf tests: Run ctags/cscope make tests only with needed binaries

[Arnaldo Carvalho de Melo]

From: Jiri Olsa <jolsa@xxxxxxxxxx>

Running tags and cscope make tests only if the 'ctags' and 'cscope'
binaries are installed, so we don't have false alarm test failures.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1374497014-2817-2-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/tests/make | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index c441a28..d1efef9 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -1,6 +1,8 @@
 PERF := .
 MK   := Makefile
 
+has = $(shell which $1 2>/dev/null)
+
 # standard single make variable specified
 make_clean_all      := clean all
 make_python_perf_so := python/perf.so
@@ -50,14 +52,19 @@ run += make_no_backtrace
 run += make_no_libnuma
 run += make_no_libaudit
 run += make_no_libbionic
-run += make_tags
-run += make_cscope
 run += make_help
 run += make_doc
 run += make_perf_o
 run += make_util_map_o
 run += make_minimal
 
+ifneq ($(call has,ctags),)
+run += make_tags
+endif
+ifneq ($(call has,cscope),)
+run += make_cscope
+endif
+
 # $(run_O) contains same portion of $(run) tests with '_O' attached
 # to distinguish O=... tests
 run_O := $(addsuffix _O,$(run))
-- 
1.8.1.4

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