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From: Kumar Gala <galak@kernel.crashing.org>
To: Michael Ellerman <michael@ellerman.id.au>
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Subject: Re: [PATCH] powerpc: Add configurable -Werror for arch/powerpc
Date: Mon, 6 Apr 2009 07:55:35 -0500
References: <b5c96a65499b27f0505523fb5b9dfae98a585ed1.1238991483.git.michael@ellerman.id.au>
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On Apr 5, 2009, at 11:18 PM, Michael Ellerman wrote:

> diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/ 
> Makefile
> index 0c16ab9..dcb2148 100644
> --- a/arch/powerpc/math-emu/Makefile
> +++ b/arch/powerpc/math-emu/Makefile
> @@ -1,4 +1,8 @@
>
> +ifeq ($(CONFIG_PPC_WERROR),y)
> +EXTRA_CFLAGS += -Werror
> +endif
> +
> obj-$(CONFIG_MATH_EMULATION)	+= fabs.o fadd.o fadds.o fcmpo.o  
> fcmpu.o \
> 					fctiw.o fctiwz.o fdiv.o fdivs.o \
> 					fmadd.o fmadds.o fmsub.o fmsubs.o \

We explicitly build math-emu with -w to not see the warnings from it.

- k