From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 14/15] perf tools: Fix static linking with libdw from elfutils Date: Wed, 23 Aug 2017 16:36:13 -0300 Message-ID: <20170823193614.20394-15-acme@kernel.org> References: <20170823193614.20394-1-acme@kernel.org> Return-path: In-Reply-To: <20170823193614.20394-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Konstantin Khlebnikov , Alexander Shishkin , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Konstantin Khlebnikov 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 Cc: Alexander Shishkin Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/150322916720.129772.7959925864494283854.stgit@buzz Signed-off-by: Arnaldo Carvalho de Melo --- 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 37d203c4cd1f..bb4735b92ada 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/ @@ -365,10 +369,6 @@ 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 -- 2.13.5