commit b7bcef6f8e61580e883672b6c97148d4f89e9874
author Ingo Molnar <mingo@kernel.org> Mon Sep 30 14:35:27 2013 +0200
committer Ingo Molnar <mingo@kernel.org> Wed Oct 09 08:48:37 2013 +0200
tree 956f21825ffea5bbeecc62025d6eafe479bbbfe4
parent 8869b17ee0bdd0da3d1f7d7ced284ab444c2c6d8

tools/perf/build: Split out feature check: 'libelf-getphdrnum'

Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-wa9qstb8erbjreLxiHepzjfw@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

tools/perf/config/Makefile

diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index bf1f021..718b476 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -112,6 +112,7 @@
 	glibc				\
 	dwarf				\
 	libelf-mmap			\
+	libelf-getphdrnum		\
 	libnuma
 
 $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
@@ -207,7 +208,7 @@
     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
   endif
 
-  ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y)
+  ifeq ($(feature-libelf-getphdrnum), 1)
     CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
   endif
 
@@ -230,7 +231,7 @@
   CFLAGS += -DHAVE_LIBELF_SUPPORT
   ifeq ($(feature-libelf-mmap), 1)
     CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
-  endif # try-cc
+  endif
 endif # NO_LIBELF
 
 # There's only x86 (both 32 and 64) support for CFI unwind so far