commit 5febff0066b8111785d58903b54d414e9ec6a3d0
author David Ahern <dsahern@gmail.com> Tue Oct 29 10:43:15 2013 -0600
committer Arnaldo Carvalho de Melo <acme@redhat.com> Tue Nov 05 10:08:03 2013 -0300
tree 3b6ec01323e49aab8e929fc3dbd4252b8c050a63
parent 87419c9afff1431d4b62b388baf6bfa07e0b14ff

tools/perf/build: Fix detection of non-core features

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@gmail.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383064996-20933-1-git-send-email-dsahern@gmail.com
[ Fixed conflict with 8a0c4c2843d3 ("perf tools: Fix libunwind build and feature detection for 32-bit build") ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/config/Makefile

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index be8bb9a..58b2d37 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -98,7 +98,7 @@
 
 feature_check = $(eval $(feature_check_code))
 define feature_check_code
-  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS=$(LDFLAGS) LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
+  feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS)" LDFLAGS="$(LDFLAGS)" LIBUNWIND_LIBS="$(LIBUNWIND_LIBS)" -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
 endef
 
 feature_set = $(eval $(feature_set_code))
@@ -235,7 +235,7 @@
 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))
@@ -479,15 +479,15 @@
     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