Messages in this thread Patch in this message | | | Subject | [PATCH] tools/perf: fix static linking with libdw from elfutils | From | Konstantin Khlebnikov <> | Date | Sun, 20 Aug 2017 14:39:27 +0300 |
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Fix feature test for static libdw: link required dependencies. Backends of libebl are not statically linked thus libdl is required.
In Debian/Ubuntu libdw-dev includes libebl.a starting from 0.166-1.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> --- tools/perf/Makefile.config | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index bdf0e87f9b29..b7ac6dce199b 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -103,8 +103,12 @@ ifdef LIBDW_DIR LIBDW_CFLAGS := -I$(LIBDW_DIR)/include LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib endif +DWARFLIBS := -ldw +ifeq ($(findstring -static,${LDFLAGS}),-static) + DWARFLIBS += -lelf -lebl -ldl -lz -llzma -lbz2 +endif FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS) -FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw +FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) $(DWARFLIBS) # for linking with debug library, run like: # make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/ @@ -360,10 +364,6 @@ ifndef NO_LIBELF else CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) LDFLAGS += $(LIBDW_LDFLAGS) - DWARFLIBS := -ldw - ifeq ($(findstring -static,${LDFLAGS}),-static) - DWARFLIBS += -lelf -lebl -lz -llzma -lbz2 - endif EXTLIBS += ${DWARFLIBS} $(call detected,CONFIG_DWARF) endif # PERF_HAVE_DWARF_REGS
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