diff options
| -rw-r--r-- | tools/perf/Makefile | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 4ffcd02404f8..cca5bb8334ad 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -501,7 +501,14 @@ ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y) msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static); endif else - FLAGS_DWARF=$(ALL_CFLAGS) -ldw -lelf $(ALL_LDFLAGS) $(EXTLIBS) + # for linking with debug library, run like: + # make DEBUG=1 LIBDW_DIR=/opt/libdw/ + ifdef LIBDW_DIR + LIBDW_CFLAGS := -I$(LIBDW_DIR)/include + LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib + endif + + FLAGS_DWARF=$(ALL_CFLAGS) $(LIBDW_CFLAGS) -ldw -lelf $(LIBDW_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) ifneq ($(call try-cc,$(SOURCE_DWARF),$(FLAGS_DWARF),libdw),y) msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev); NO_DWARF := 1 @@ -556,7 +563,8 @@ ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); else - BASIC_CFLAGS += -DDWARF_SUPPORT + BASIC_CFLAGS := -DDWARF_SUPPORT $(LIBDW_CFLAGS) $(BASIC_CFLAGS) + BASIC_LDFLAGS := $(LIBDW_LDFLAGS) $(BASIC_LDFLAGS) EXTLIBS += -lelf -ldw LIB_OBJS += $(OUTPUT)util/probe-finder.o LIB_OBJS += $(OUTPUT)util/dwarf-aux.o |