perf tools: Limit unwind support to x86 archs

There's DWARF unwind support only for x86 archs, so limit the unwind.o
object to them only.

Without this building for other archs (e.g. cross compiling for ARM) is
broken.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com>
Link: http://lkml.kernel.org/n/tip-viqtvd6hppqgt68zz4wlqm20@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2013-02-14 15:59:33 -03:00 committed by Arnaldo Carvalho de Melo
parent 18c9e5c567
commit 02320931ce

View file

@ -581,6 +581,11 @@ else
endif # SOURCE_LIBELF endif # SOURCE_LIBELF
endif # NO_LIBELF 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 ifndef NO_LIBUNWIND
# for linking with debug library, run like: # for linking with debug library, run like:
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/