[Pixman] [PATCH 2/3] build: use '-mloongson-mmi' for Loongson MMI.

[Shiyou Yin]

>-----Original Message-----
>From: YunQiang Su [mailto:wzssyqa at gmail.com]
>Sent: Tuesday, February 11, 2020 5:26 PM
>To: Yin Shiyou
>Cc: pixman at lists.freedesktop.org
>Subject: Re: [Pixman] [PATCH 2/3] build: use '-mloongson-mmi' for Loongson MMI.
>
>Yin Shiyou <yinshiyou-hf at loongson.cn> 于2020年2月11日周二 下午3:59写道：
>>
>> It's suggested to use '-mloongson-mmi' to enable MMI.
>> Use '-march=loongson2f' will lead a link error in new platform
>> while config check and then MMI will be disabled.
>> ---
>>  configure.ac | 2 +-
>>  meson.build  | 2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/configure.ac b/configure.ac
>> index 1ca3974..fd7df47 100644
>> --- a/configure.ac
>> +++ b/configure.ac
>> @@ -273,7 +273,7 @@ dnl
>===========================================================================
>>  dnl Check for Loongson Multimedia Instructions
>>
>>  if test "x$LS_CFLAGS" = "x" ; then
>> -    LS_CFLAGS="-march=loongson2f"
>> +    LS_CFLAGS="-mloongson-mmi"
>>  fi
>>
>
>As I know, somebody are still using 2F, such as Gentoo.
>This change will break these distributions.
>
>Keep compatible please.
>
Thank you for you reminder. Are you sure this patch will cause break on 2F? 
In my opinion, use these FLAGS is aim to compile MMI instructions.
>From this point, '-mloongson-mmi' may be more appropriate..