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Subject[PATCH 36/44] perf feature detection: Add -lopcodes to feature-libbfd
Date
From: Song Liu <songliubraving@fb.com>

Both libbfd and libopcodes are distributed with binutil-dev/devel. When
libbfd is present, it is OK to assume that libopcodes also present. This
has been a safe assumption for bpftool.

This patch adds -lopcodes to perf/Makefile.config. libopcodes will be
used in the next commit for BPF annotation.

Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@google.com>
Cc: kernel-team@fb.com
Link: http://lkml.kernel.org/r/20190312053051.2690567-12-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Makefile.config | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 0f11d5891301..df4ad45599ca 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -713,7 +713,7 @@ else
endif

ifeq ($(feature-libbfd), 1)
- EXTLIBS += -lbfd
+ EXTLIBS += -lbfd -lopcodes
else
# we are on a system that requires -liberty and (maybe) -lz
# to link against -lbfd; test each case individually here
@@ -724,10 +724,10 @@ else
$(call feature_check,libbfd-liberty-z)

ifeq ($(feature-libbfd-liberty), 1)
- EXTLIBS += -lbfd -liberty
+ EXTLIBS += -lbfd -lopcodes -liberty
else
ifeq ($(feature-libbfd-liberty-z), 1)
- EXTLIBS += -lbfd -liberty -lz
+ EXTLIBS += -lbfd -lopcodes -liberty -lz
endif
endif
endif
--
2.20.1
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