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Message-Id: <1431118602-5877-31-git-send-email-acme@kernel.org>
Date: Fri, 8 May 2015 17:56:42 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 30/30] perf build: Disable libdw DWARF unwind when built with NO_DWARF
From: "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
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@...ux.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@...hat.com>
---
tools/perf/config/Makefile | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 435b6ca..1b957a1 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -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
--
2.1.0
--
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