Re: [PATCH 1/2] tools/perf/build: Fix detection of non-core features

From: David Ahern
Date: Tue Nov 05 2013 - 00:00:15 EST


ping. did not see this one in your last push to Ingo.

On 10/29/13, 10:43 AM, David Ahern wrote:
feature_check needs to be invoked through call, and LDFLAGS may not be set
so quotes are needed.

Thanks to Jiri for spotting the quotes around LDFLAGS; that one was driving
me nuts with the upcoming timerfd feature detection.

Signed-off-by: David Ahern <dsahern@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
---
tools/perf/config/Makefile | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 543aa953bab1..c82772207e6e 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -96,7 +96,7 @@ endif

feature_check = $(eval $(feature_check_code))
define feature_check_code
- feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) LDFLAGS=$(LDFLAGS) -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
+ feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) LDFLAGS="$(LDFLAGS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
endef

feature_set = $(eval $(feature_set_code))
@@ -233,7 +233,7 @@ CFLAGS += -I$(LIB_INCLUDE)
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE

ifndef NO_BIONIC
- $(feature_check,bionic)
+ $(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
BIONIC := 1
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
@@ -470,15 +470,15 @@ else
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
else
ifneq ($(feature-libbfd), 1)
- $(feature_check,liberty)
+ $(call feature_check,liberty)
ifeq ($(feature-liberty), 1)
EXTLIBS += -lbfd -liberty
else
- $(feature_check,liberty-z)
+ $(call feature_check,liberty-z)
ifeq ($(feature-liberty-z), 1)
EXTLIBS += -lbfd -liberty -lz
else
- $(feature_check,cplus-demangle)
+ $(call feature_check,cplus-demangle)
ifeq ($(feature-cplus-demangle), 1)
EXTLIBS += -liberty
CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT


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