Re: MIPS(el) Toolchain

[Dan Kegel <dank at kegel dot com>]

Bryan Althouse wrote:
> I have it working!  On a hunch, I put Fedora Core 2 on an old PC and used
> that to build my tool chain.  This actually worked!  There is something
> broken with Fedora Core 3.  

FC3 uses gcc-3.4, for what it's worth.
Did switching to FC2 solve a toolchain build problem,
or did the resulting toolchain just work better?

> My next step is to build the necessary libraries, etc, for my multi arch
> mips.  I'm expecting to end up with a lib directory for -mabi=32, a libn32
> directory for -mabi=n32, and a lib64 directory for -mabi=64.  Could you
> point me in the write direction for using crosstool to accomplish this?  

Well... I did multilib stuff back three or four years
ago for ppc405
(http://www.kegel.com/xgcc3/gcc-20020722-ppc405erratum77.patch)
It's a bit involved.  Plus, for each CPU type, you need
to build a new glibc.  I haven't ever gotten around to scripting that.

You might need to dive in to grok multilibbing.  A few
random starting points for learning might be
http://www.linux-mips.org/archives/linux-mips/2005-06/msg00045.html
http://ftp.ussg.iu.edu/linux/gentoo-rsync/eclass/toolchain.eclass

Good luck!
- Dan

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