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Commit 5e2d4d0e authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Clean up libelf feature support code 



Current EXTLIBS contains -lelf by default and removes it when libelf is
not detected.

This is little bit confusing since we can now build perf without libelf
so there's no need to handle it differently than other libraries.

Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1415337606-2186-3-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 73c5d224

tools/perf/Makefile.perf

+0 −2
Original line number Diff line number Diff line
@@ -497,8 +497,6 @@ ifneq ($(OUTPUT),) 
endif



ifdef NO_LIBELF

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 $(OUTPUT)util/dwarf-aux.o,$(LIB_OBJS))

tools/perf/config/Makefile

+3 −2
Original line number Diff line number Diff line
@@ -150,7 +150,7 @@ CFLAGS += -std=gnu99 
# adding assembler files missing the .GNU-stack linker note.

LDFLAGS += -Wl,-z,noexecstack



EXTLIBS = -lelf -lpthread -lrt -lm -ldl

EXTLIBS = -lpthread -lrt -lm -ldl



ifneq ($(OUTPUT),)

  OUTPUT_FEATURES = $(OUTPUT)config/feature-checks/
@@ -354,6 +354,7 @@ endif # NO_LIBELF 


ifndef NO_LIBELF

  CFLAGS += -DHAVE_LIBELF_SUPPORT

  EXTLIBS += -lelf



  ifeq ($(feature-libelf-mmap), 1)

    CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
@@ -373,7 +374,7 @@ ifndef NO_LIBELF 
    else

      CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)

      LDFLAGS += $(LIBDW_LDFLAGS)

      EXTLIBS += -lelf -ldw

      EXTLIBS += -ldw

    endif # PERF_HAVE_DWARF_REGS

  endif # NO_DWARF

endif # NO_LIBELF