questions about multilib support for mips

[Ian Lance Taylor]

On Tue, Sep 11, 2012 at 6:45 AM, mei yuhua <progmei@gmail.com> wrote:
> I only need the 32 bits libs, so I think I just need to copy the
> gcc/config/mips/t-elf to gcc/config/mips/t-linux. right?

If you add a new file, you also need to change config.gcc to use that file.

> And how can I build the GLIBC, I think the libs need different directory.

Cross-compiling glibc for GNU/Linux is difficult and painful.  Don't
expect it to be simple.  I think the latest info on that is at
http://crosstool-ng.org/ .

Ian


> 2012/9/11 Ian Lance Taylor <iant@google.com>:
>> On Mon, Sep 10, 2012 at 4:40 PM, mei yuhua <progmei@gmail.com> wrote:
>>> But I don't want mips-elf, I need the mips-linux.
>>
>>
>> Please reply to the mailing list, not just to me.  Thanks.
>>
>> You can do it by setting the multilib variables.  You more or less
>> want to copy gcc/config/mips/t-elf to gcc/config/mips/t-linux64.
>>
>> Ian
>>
>>
>>> 2012/9/11 Ian Lance Taylor <iant@google.com>:
>>>> On Mon, Sep 10, 2012 at 5:25 AM, mei yuhua <progmei@gmail.com> wrote:
>>>>
>>>>>     I need to compile cross gcc(binutils2.22+gcc4.7.1+glibc2.16.0) for
>>>>> mips. Can I make a gcc cross compile with both big/little endian and
>>>>> soft/hard float support? And could you give me some guides on how to
>>>>> compile it?
>>>>
>>>> Yes, you can do that.  It will normally happen by default, e.g., if
>>>> you configure --target=mips-elf.
>>>>
>>>> Ian