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tools/perf/build: Pass through LDFLAGS to feature tests
authorIngo Molnar <mingo@kernel.org>
Mon, 7 Oct 2013 15:51:29 +0000 (17:51 +0200)
committerIngo Molnar <mingo@kernel.org>
Wed, 9 Oct 2013 06:49:03 +0000 (08:49 +0200)
David Ahern reported that when passing in LDFLAGS=-static then
the feature checks still succeed - causing build failures down
the line because the static libraries are missing.

Solve this by passing through LDFLAGS to the feature-check
Makefile.

Reported-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/20131007155129.GA1066@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
tools/perf/config/Makefile patch | blob | blame | history
tools/perf/config/feature-checks/Makefile patch | blob | blame | history

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 3d656e3e6284ddf321480772f871f719ce96cbfb..78f3b3eff12afed295339e469ba0fdc5f120fabd 100644 (file)
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -95,7 +95,7 @@ endif
 
 feature_check = $(eval $(feature_check_code))
 define feature_check_code
-  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) -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 $(feature_set_code))
@@ -173,7 +173,7 @@ ifeq ($(feature-all), 1)
   #
   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_set,$(feat)))
 else
-  $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1)
+  $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) LDFLAGS=$(LDFLAGS) -i -j -C config/feature-checks $(CORE_FEATURE_TESTS) >/dev/null 2>&1)
   $(foreach feat,$(CORE_FEATURE_TESTS),$(call feature_check,$(feat)))
 endif
 
diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile
index e21bceb80bf2e38d932a3507cc8038e7c8cd380c..8ecac1908d5e4c2716f5c55a95866d978856fd71 100644 (file)
--- a/tools/perf/config/feature-checks/Makefile
+++ b/tools/perf/config/feature-checks/Makefile
@@ -32,7 +32,7 @@ CC := $(CC) -MD
 
 all: $(FILES)
 
-BUILD = $(CC) -o $(OUTPUT)$@ $@.c
+BUILD = $(CC) $(LDFLAGS) -o $(OUTPUT)$@ $@.c
 
 ###############################