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authorKonstantin Khlebnikov <khlebnikov@yandex-team.ru>2017-08-20 14:39:32 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-08-22 13:24:55 -0300
commit60913e005c8d19ec5187a638eafdd088509dfb9e (patch)
treed23cfa27e017107fbb22ac6e005845d8dbb91dcb /tools/perf
parentba335df4ea2a5011002c5cde53bab6d7f5d714d8 (diff)
downloadlinux-60913e005c8d19ec5187a638eafdd088509dfb9e.tar.gz
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 <khlebnikov@yandex-team.ru> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/150322917247.129799.14247751517961953155.stgit@buzz Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/Makefile.config6
1 files changed, 5 insertions, 1 deletions
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