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[tip:perf/core] perf bpf: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on

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Commit-ID:  30433a3a52b951faab95944e0f8b9d33a1e322ce
Gitweb:     http://git.kernel.org/tip/30433a3a52b951faab95944e0f8b9d33a1e322ce
Author:     Wang Nan <wangnan0@huawei.com>
AuthorDate: Mon, 16 Nov 2015 12:10:11 +0000
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 18 Nov 2015 17:51:03 -0300

perf bpf: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on

regs_query_register_offset() in dwarf-regs.c is required by BPF
prologue.  This patch compiles it if CONFIG_BPF_PROLOGUE is on to avoid
build failure when CONFIG_BPF_PROLOGUE is on but CONFIG_DWARF is not
set.

Signed-off-by: He Kuang <hekuang@huawei.com>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: He Kuang <hekuang@huawei.com>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1447675815-166222-10-git-send-email-wangnan0@huawei.com
Signed-off-by: Wang Nan <wangnan0@huawei.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/arch/x86/util/Build | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build
index ff63649..4659703 100644
--- a/tools/perf/arch/x86/util/Build
+++ b/tools/perf/arch/x86/util/Build
@@ -5,6 +5,7 @@ libperf-y += kvm-stat.o
 libperf-y += perf_regs.o
 
 libperf-$(CONFIG_DWARF) += dwarf-regs.o
+libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o
 
 libperf-$(CONFIG_LIBUNWIND)          += unwind-libunwind.o
 libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o
--
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[PATCH 09/13] perf tools: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on Wang Nan <wangnan0@huawei.com> - 2015-11-16 13:50 +0100
  [tip:perf/core] perf bpf:   Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on tip-bot for Wang Nan <tipbot@zytor.com> - 2015-11-23 17:10 +0100

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