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

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Date:	Tue, 26 Aug 2014 10:18:04 -0300
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Anton Blanchard <anton@...ba.org>
Cc:	sukadev@...ux.vnet.ibm.com, mpe@...erman.id.au,
	a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] perf powerpc: Fix build issue when DWARF support is
 disabled

Em Mon, Aug 25, 2014 at 06:25:06PM +1000, Anton Blanchard escreveu:
> The powerpc skip callchain code uses DWARF, so we must disable it if
> DWARF is disabled.
> 
> Signed-off-by: Anton Blanchard <anton@...ba.org>

Thanks, applied.

- Arnaldo

> 
> 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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