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| author | Jiri Olsa <jolsa@redhat.com> | 2012-10-09 17:50:01 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-10-24 18:20:10 +0200 |
| commit | 28d213bac4649a1868fa78dab2d3b1ef09235171 (patch) | |
| tree | 27ba4162517e00c406d23ce87021735163ec58e7 /tools/perf/config | |
| parent | x86: Allow tracing of functions in arch/x86/kernel/rtc.c (diff) | |
| download | linux-28d213bac4649a1868fa78dab2d3b1ef09235171.tar.xz linux-28d213bac4649a1868fa78dab2d3b1ef09235171.zip | |
perf tools: Diplays more output on features check for make V=1
Adding more verbose output for compile time features checking, to ease
up debuging of feature detection failures.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-fbjha6xs5soyaiek8j4142xg@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config')
| -rw-r--r-- | tools/perf/config/utilities.mak | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/config/utilities.mak b/tools/perf/config/utilities.mak index 8046182a19eb..ea853c279b31 100644 --- a/tools/perf/config/utilities.mak +++ b/tools/perf/config/utilities.mak @@ -180,9 +180,16 @@ _gea_warn = $(warning The path '$(1)' is not executable.) _gea_err = $(if $(1),$(error Please set '$(1)' appropriately)) # try-cc -# Usage: option = $(call try-cc, source-to-build, cc-options) +# Usage: option = $(call try-cc, source-to-build, cc-options, msg) +ifndef V +TRY_CC_OUTPUT= > /dev/null 2>&1 +else +TRY_CC_MSG=echo "CHK $(3)" 1>&2; +endif + try-cc = $(shell sh -c \ 'TMP="$(OUTPUT)$(TMPOUT).$$$$"; \ + $(TRY_CC_MSG) \ echo "$(1)" | \ - $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ + $(CC) -x c - $(2) -o "$$TMP" $(TRY_CC_OUTPUT) && echo y; \ rm -f "$$TMP"') |