linux-kernel - [PATCH 05/10] perf symbols: Fix mismatched declarations for elf

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Message-Id: <1438273028-5191-6-git-send-email-acme@kernel.org>
Date:	Thu, 30 Jul 2015 13:17:03 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 05/10] perf symbols: Fix mismatched declarations for elf_getphdrnum

From: Arnaldo Carvalho de Melo <acme@...hat.com>

When HAVE_ELF_GETPHDRNUM_SUPPORT is false we trip on this problem:

    CC       /tmp/build/perf/util/symbol-elf.o
  util/symbol-elf.c:41:12: error: static declaration of ‘elf_getphdrnum’ follows non-static declaration
   static int elf_getphdrnum(Elf *elf, size_t *dst)
            ^
  In file included from util/symbol.h:19:0,
                   from util/symbol-elf.c:8:
  /usr/include/libelf.h:206:12: note: previous declaration of ‘elf_getphdrnum’ was here
   extern int elf_getphdrnum (Elf *__elf, size_t *__dst);
            ^
    MKDIR    /tmp/build/perf/bench/
  /home/git/linux/tools/build/Makefile.build:68: recipe for target '/tmp/build/perf/util/symbol-elf.o' failed
  make[3]: *** [/tmp/build/perf/util/symbol-elf.o] Error 1

Fix it.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Borislav Petkov <bp@...e.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/n/tip-qcmekyfedmov4sxr0wahcikr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol-elf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index 65f7e389ae09..b0ad810f04dd 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -38,7 +38,7 @@ static inline char *bfd_demangle(void __maybe_unused *v,
 #endif
 
 #ifndef HAVE_ELF_GETPHDRNUM_SUPPORT
-static int elf_getphdrnum(Elf *elf, size_t *dst)
+int elf_getphdrnum(Elf *elf, size_t *dst)
 {
 	GElf_Ehdr gehdr;
 	GElf_Ehdr *ehdr;
-- 
2.1.0

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