Re: perf build failed on linux -next on i386 build

From: Arnaldo Carvalho de Melo
Date: Thu Sep 26 2019 - 13:36:55 EST


Em Thu, Sep 26, 2019 at 10:59:41PM +0530, Naresh Kamboju escreveu:
> perf build failed on linux -next on i386 build
>
> build error:
> perf-in.o: In function `libunwind__x86_reg_id':
> tools/perf/util/libunwind/../../arch/x86/util/unwind-libunwind.c:109:
> undefined reference to `pr_err'
> tools/perf/util/libunwind/../../arch/x86/util/unwind-libunwind.c:109:
> undefined reference to `pr_err'

Can you try with the following patch?


diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c
index 05920e3edf7a..47357973b55b 100644
--- a/tools/perf/arch/x86/util/unwind-libunwind.c
+++ b/tools/perf/arch/x86/util/unwind-libunwind.c
@@ -1,11 +1,11 @@
// SPDX-License-Identifier: GPL-2.0

#include <errno.h>
+#include "../../util/debug.h"
#ifndef REMOTE_UNWIND_LIBUNWIND
#include <libunwind.h>
#include "perf_regs.h"
#include "../../util/unwind.h"
-#include "../../util/debug.h"
#endif

#ifdef HAVE_ARCH_X86_64_SUPPORT