diff options
Diffstat (limited to 'tools/perf/config')
| -rw-r--r-- | tools/perf/config/Makefile | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 71e737c4c4d6..438574bdf4b1 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -170,3 +170,30 @@ endif # PERF_HAVE_DWARF_REGS endif # NO_DWARF endif # NO_LIBELF + +# There's only x86 (both 32 and 64) support for CFI unwind so far +ifneq ($(ARCH),x86) + NO_LIBUNWIND := 1 +endif + +ifndef NO_LIBUNWIND +# for linking with debug library, run like: +# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ +ifdef LIBUNWIND_DIR + LIBUNWIND_CFLAGS := -I$(LIBUNWIND_DIR)/include + LIBUNWIND_LDFLAGS := -L$(LIBUNWIND_DIR)/lib +endif + +FLAGS_UNWIND=$(LIBUNWIND_CFLAGS) $(ALL_CFLAGS) $(LIBUNWIND_LDFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(LIBUNWIND_LIBS) +ifneq ($(call try-cc,$(SOURCE_LIBUNWIND),$(FLAGS_UNWIND),libunwind),y) + msg := $(warning No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99); + NO_LIBUNWIND := 1 +endif # Libunwind support +endif # NO_LIBUNWIND + +ifndef NO_LIBUNWIND + BASIC_CFLAGS += -DLIBUNWIND_SUPPORT + EXTLIBS += $(LIBUNWIND_LIBS) + BASIC_CFLAGS := $(LIBUNWIND_CFLAGS) $(BASIC_CFLAGS) + BASIC_LDFLAGS := $(LIBUNWIND_LDFLAGS) $(BASIC_LDFLAGS) +endif # NO_LIBUNWIND |