linux-kernel - [PATCH 2/2] perf powerpc: Fix build issue when DWARF support is disabled

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Message-ID: <20140825182506.2be6512d@kryten>
Date:	Mon, 25 Aug 2014 18:25:06 +1000
From:	Anton Blanchard <anton@...ba.org>
To:	sukadev@...ux.vnet.ibm.com, mpe@...erman.id.au, acme@...hat.com,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] perf powerpc: Fix build issue when DWARF support is
 disabled

The powerpc skip callchain code uses DWARF, so we must disable it if
DWARF is disabled.

Signed-off-by: Anton Blanchard <anton@...ba.org>
---

Index: b/tools/perf/arch/powerpc/Makefile
===================================================================
--- a/tools/perf/arch/powerpc/Makefile
+++ b/tools/perf/arch/powerpc/Makefile
@@ -1,6 +1,6 @@
 ifndef NO_DWARF
 PERF_HAVE_DWARF_REGS := 1
 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
+LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/skip-callchain-idx.o
 endif
 LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
-LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/skip-callchain-idx.o
Index: b/tools/perf/config/Makefile
===================================================================
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -48,10 +48,6 @@ ifneq ($(ARCH),$(filter $(ARCH),x86 arm)
   NO_LIBDW_DWARF_UNWIND := 1
 endif
 
-ifeq ($(ARCH),powerpc)
-  CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
-endif
-
 ifeq ($(LIBUNWIND_LIBS),)
   NO_LIBUNWIND := 1
 else
@@ -355,6 +351,12 @@ ifndef NO_LIBELF
   endif # NO_DWARF
 endif # NO_LIBELF
 
+ifeq ($(ARCH),powerpc)
+  ifndef NO_DWARF
+    CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
+  endif
+endif
+
 ifndef NO_LIBUNWIND
   ifneq ($(feature-libunwind), 1)
     msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
--
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