From: Jiri Olsa <[email protected]>

Following commit introduced features build dump:
  443a70541c56 perf tools: Output feature detection's gcc output to a file

Moving them into to have code more compact and renaming build dump
files. For each feature 'test-X' new file 'test-X.make.output' is
created and contains the build out.  It's created in the same directory
as the feature itself.

Signed-off-by: Jiri Olsa <[email protected]>
Cc: Corey Ashford <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/Makefile.perf                  | 1 -
 tools/perf/config/Makefile                | 2 +-
 tools/perf/config/feature-checks/Makefile | 5 +++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 933d70345f87..ec4c063ed9f3 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -529,7 +529,6 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean config-clean
        $(Q)$(RM) .config-detected
        $(call QUIET_CLEAN, core-progs) $(RM) $(ALL_PROGRAMS) perf 
perf-read-vdso32 perf-read-vdsox32
        $(call QUIET_CLEAN, core-gen)   $(RM)  *.spec *.pyc *.pyo */*.pyc 
*/*.pyo $(OUTPUT)common-cmds.h TAGS tags cscope* $(OUTPUT)PERF-VERSION-FILE 
$(OUTPUT)PERF-FEATURES $(OUTPUT)util/*-bison* $(OUTPUT)util/*-flex*
-       $(call QUIET_CLEAN, feature-detect) $(RM) 
$(OUTPUT)config/feature-checks/.make-*.output
        $(QUIET_SUBDIR0)Documentation $(QUIET_SUBDIR1) clean
        $(python-clean)
 
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index b799649ab0e7..45f61253ccce 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -184,7 +184,7 @@ endif
 
 feature_check = $(eval $(feature_check_code))
 define feature_check_code
-  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) 
CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) 
$(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin > 
$(OUTPUT)config/feature-checks/.make-$(1).output 2>&1 && echo 1 || echo 0)
+  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) 
CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" LDFLAGS="$(LDFLAGS) 
$(FEATURE_CHECK_LDFLAGS-$(1))" -C config/feature-checks test-$1.bin >/dev/null 
2>/dev/null && echo 1 || echo 0)
 endef
 
 feature_set = $(eval $(feature_set_code))
diff --git a/tools/perf/config/feature-checks/Makefile 
b/tools/perf/config/feature-checks/Makefile
index b6e2e312ba54..0d694a94cda2 100644
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -39,7 +39,8 @@ PKG_CONFIG := $(CROSS_COMPILE)pkg-config
 
 all: $(FILES)
 
-BUILD = $(CC) $(CFLAGS) -Wall -Werror -o $(OUTPUT)$@ $(patsubst %.bin,%.c,$@) 
$(LDFLAGS)
+__BUILD = $(CC) $(CFLAGS) -Wall -Werror -o $(OUTPUT)$@ $(patsubst 
%.bin,%.c,$@) $(LDFLAGS)
+  BUILD = $(__BUILD) > $(OUTPUT)$(@:.bin=.make.output) 2>&1
 
 ###############################
 
@@ -156,4 +157,4 @@ test-zlib.bin:
 ###############################
 
 clean:
-       rm -f $(FILES) *.d
+       rm -f $(FILES) *.d $(FILES:.bin=.make.output)
-- 
1.9.3

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