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perf tools: Limit unwind support to x86 archs

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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
1 changed files with 5 additions and 0 deletions
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5
tools/perf/Makefile
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@ -581,6 +581,11 @@ else
endif # SOURCE_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
# for linking with debug library, run like:
# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/