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Date: Wed, 9 Jan 2013 16:23:52 +0800
From: Hongxu Jia <hongxu.jia@windriver.com>
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To: Colin Walters <walters@verbum.org>, Robert Yang <liezhi.yang@windriver.com>
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Subject: Re: [PATCH 1/1] glib-2.0-native:add option march to BUILD_CFLAGS
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On 01/07/2013 02:28 AM, Colin Walters wrote:
> On Sun, 2013-01-06 at 16:34 +0800, Hongxu Jia wrote:
>
>> +# Add option -march to BUILD_CFLAGS in order to let the atomic operations
>> +# ("lock free") be available while using old version GCC on x86 host to
>> +# compile glib-2.0-native
>> +BUILD_CFLAGS += "-march=${@'${BUILD_ARCH}'.replace('_','-')}"
> Shouldn't this be handled more generically for all native recipes?
>
>
Hi Colin,

I have a fully test and the qemu-native has the similar problem, and I will
resend the patch.

It's a bad idea to modify bitbake.conf to add option -march to BUILD_CFLAGS,
because it's global and its side effect is unknown, such as beecrypt-native
do_compile will fail if we do that.

So it's best to test most of the native recipes to have a check about 
the similar
problem and fix them separately, and the packagegroup-toolset-native.bb
could work for that.

Regards,
Hongxu