linux-kernel - [PATCH v9 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd

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Message-ID: <20190312053051.2690567-12-songliubraving@fb.com>
Date:   Mon, 11 Mar 2019 22:30:47 -0700
From:   Song Liu <songliubraving@...com>
To:     <bpf@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     <ast@...nel.org>, <daniel@...earbox.net>, <kernel-team@...com>,
        <peterz@...radead.org>, <acme@...hat.com>, <jolsa@...nel.org>,
        <namhyung@...nel.org>, <sdf@...ichev.me>,
        Song Liu <songliubraving@...com>
Subject: [PATCH v9 perf,bpf 11/15] perf: add -lopcodes to feature-libbfd

Both libbfd and libopcodes are distributed with binutil-dev/devel. When
libbfd presents, it is OK to assume libopcodes also presents. 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@...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
-- 
2.17.1