From 60913e005c8d19ec5187a638eafdd088509dfb9e Mon Sep 17 00:00:00 2001 From: Konstantin Khlebnikov Date: Sun, 20 Aug 2017 14:39:32 +0300 Subject: [PATCH] perf tools: Fix static linking with libunwind * libunwind-x86_64 must be linked before libunwind * libunwind requires liblzma * static libunwind conflicts with static libgcc_eh Signed-off-by: Konstantin Khlebnikov Cc: Alexander Shishkin Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/150322917247.129799.14247751517961953155.stgit@buzz Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.config | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index bb4735b92ada..6a64c6bbd9a5 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -35,7 +35,7 @@ ifeq ($(SRCARCH),x86) ifeq (${IS_64_BIT}, 1) CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S - LIBUNWIND_LIBS = -lunwind -lunwind-x86_64 + LIBUNWIND_LIBS = -lunwind-x86_64 -lunwind -llzma $(call detected,CONFIG_X86_64) else LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind @@ -505,6 +505,10 @@ ifndef NO_LOCAL_LIBUNWIND EXTLIBS += $(LIBUNWIND_LIBS) LDFLAGS += $(LIBUNWIND_LIBS) endif +ifeq ($(findstring -static,${LDFLAGS}),-static) + # gcc -static links libgcc_eh which contans piece of libunwind + LIBUNWIND_LDFLAGS += -Wl,--allow-multiple-definition +endif ifndef NO_LIBUNWIND CFLAGS += -DHAVE_LIBUNWIND_SUPPORT -- 2.20.1