From: Wang Nan Date: Mon, 16 Nov 2015 12:10:11 +0000 (+0000) Subject: perf bpf: Compile dwarf-regs.c if CONFIG_BPF_PROLOGUE is on X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=30433a3a52b951faab95944e0f8b9d33a1e322ce;p=openwrt%2Fstaging%2Fblogic.git 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 Acked-by: Masami Hiramatsu Cc: Alexei Starovoitov Cc: He Kuang Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1447675815-166222-10-git-send-email-wangnan0@huawei.com Signed-off-by: Wang Nan Signed-off-by: Arnaldo Carvalho de Melo --- diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build index ff63649fa9ac..465970370f3e 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