diff options
author | Jiri Olsa <jolsa@redhat.com> | 2014-02-19 16:52:56 +0100 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-02-24 09:29:36 -0300 |
commit | 45757895c785e0a4c10afd5670cdc26cea2bbc97 (patch) | |
tree | 1c97c6d8f651a4ab316e124526a1def2e0efafd7 /tools/perf/config/Makefile | |
parent | 7a0447d61d2d754988add992be2b46d4587ae86a (diff) |
perf tools: Add feature check for libdw dwarf unwind
Adding feature check test code for libdw dwarf unwind.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1392825179-5228-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config/Makefile')
-rw-r--r-- | tools/perf/config/Makefile | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 9429805f395c..074fa618cc7b 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -59,6 +59,18 @@ ifeq ($(NO_PERF_REGS),0) CFLAGS += -DHAVE_PERF_REGS_SUPPORT endif +ifndef NO_LIBELF + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + + FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) + FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw + endif +endif + # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile @@ -267,13 +279,6 @@ else msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); endif else - # for linking with debug library, run like: - # make DEBUG=1 LIBDW_DIR=/opt/libdw/ - ifdef LIBDW_DIR - LIBDW_CFLAGS := -I$(LIBDW_DIR)/include - LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib - endif - ifneq ($(feature-dwarf), 1) msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 |