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perf build: Disable libdw DWARF unwind when built with NO_DWARF 

We get a linker error if we try to build with NO_DWARF since we build
util/unwind-libdw.c, but do not include -ldw

Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1430306131-6780-1-git-send-email-naveen.n.rao@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Naveen N. Rao 2015-04-29 16:45:31 +05:30 committed by Arnaldo Carvalho de Melo
parent 4c85935122
commit 76d408498b
1 changed files with 4 additions and 0 deletions
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4
tools/perf/config/Makefile
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@ -268,6 +268,10 @@ else
endif # libelf support
endif # NO_LIBELF
ifdef NO_DWARF
NO_LIBDW_DWARF_UNWIND := 1
endif
ifndef NO_LIBELF
CFLAGS += -DHAVE_LIBELF_SUPPORT
EXTLIBS += -lelf