Re: Compile 32bit MIPS program on 64bit MIPS - possible?

YunQiang Su <[email protected]> Mon, 20 May 2019 08:54:59 +0800

Newsgroups	gmane.linux.debian.ports.mips
Message-ID	<CAKcpw6Uv8LxJ0X=T3pZeMBodxqC1NVHqCsazts8jEr0nFXxXgw@mail.gmail.com>

Jun Sun <[email protected]> 于2019年5月20日周一 上午7:42写道：
>
> Recently I came across a piece of great work by blahcat who created 64bit MIPSEL debian image that runs on qemu.  See  https://blahcat.github.io/2017/07/14/building-a-debian-stretch-qemu-image-for-mipsel/
>
> I tried to install multilib in the hope to compile 32bit mips code on this 64bit machine.  But it does not seem to work.
>
how did you install it?
it should be done like:

apt-get install libc6-dev-mips32 gcc
   and
gcc -march=mips32 -mabi=32 xx.c

If your app needs libc only, it is enough.

> Does anybody know for sure whether this is a dead end or just a hiccup which I should overcome?

If your app depends on more libraries, you may need to use an mipsel
env, or use multiarch.
https://wiki.debian.org/Multiarch/HOWTO

>
> Thanks.
>
> Jun



-- 
YunQiang Su