Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH 22/23] perf: only add elf to EXTLIBS if CONFIG_LIBELF is set | Date | Mon, 1 Apr 2013 21:54:36 -0600 |
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Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> --- tools/perf/Makefile | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 5037856..5990520 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -87,7 +87,7 @@ ifdef PARSER_DEBUG endif CFLAGS = -fno-omit-frame-pointer -ggdb3 -funwind-tables -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) $(PARSER_DEBUG_CFLAGS) -EXTLIBS = -lpthread -lrt -lelf -lm +EXTLIBS = -lpthread -lrt -lm ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE ALL_LDFLAGS = $(LDFLAGS) STRIP ?= strip @@ -541,6 +541,7 @@ endif # we had "elif" things would have been much nicer... ifdef CONFIG_LIBELF + EXTLIBS += -lelf FLAGS_LIBELF=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) # try to compile with libelf support ... @@ -570,7 +571,7 @@ ifdef CONFIG_LIBELF # libelf supported - what about dwarf? ifdef CONFIG_DWARF - FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) + FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y) $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138.ables dwarf support.) $(error Please install new elfutils-devel/libdw-dev or disable CONFIG_DWARF); @@ -581,7 +582,7 @@ ifdef CONFIG_LIBELF else BASIC_CFLAGS := $(LIBDW_CFLAGS) $(BASIC_CFLAGS) BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS) - EXTLIBS += -lelf -ldw + EXTLIBS += -ldw LIB_OBJS += $(OUTPUT)util/probe-finder.o LIB_OBJS += $(OUTPUT)util/dwarf-aux.o endif # PERF_HAVE_DWARF_REGS @@ -598,8 +599,6 @@ else $(error CONFIG_LIBUNWIND depends on LIBELF) endif - EXTLIBS := $(filter-out -lelf,$(EXTLIBS)) - # Remove ELF/DWARF dependent codes LIB_OBJS := $(filter-out $(OUTPUT)util/symbol-elf.o,$(LIB_OBJS)) LIB_OBJS := $(filter-out $(OUTPUT)util/probe-event.o,$(LIB_OBJS)) -- 1.7.10.1
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