crosscompiled gcc

["Marc Lörner"]

-------- Original-Nachricht --------
> Datum: Tue, 15 Dec 2009 10:56:50 -0800
> Von: Marcel Moolenaar <xcllnt at mac.com>
> An: "Marc Lörner" <loerner at gmx.de>
> CC: freebsd-ia64 at freebsd.org
> Betreff: Re: crosscompiled gcc

> 
> On Dec 15, 2009, at 10:15 AM, Marc Lörner wrote:
> 
> >>> Now, as it seems, something was changed/patched in gcc from 7.0 to
> 8.0. 
> >>> So does anybody know where to tweak/patch or what to put in
> configuration
> >>> of original gcc 4.2.1 to make crosscompilling work for 8.0?
> >> 
> >> Can you share what you did before to make it work? Maybe from the
> >> patch I can understand the problem you're trying to solve.
> >> 
> > 
> > For 7.0: 
> > - make sysroot directory with all headers and libraries used
> >  and put "--with-sysroot=XXX" as parameters of configure-scripts
> > - Add "--disable-werror" to configure of binutils2.17
> > - Add above and "--disable-initfini-array" to configure of gcc
> > => This worked for me, but unfortunately doesn't for 8.0.
> > 
> > It seems compilation works, because I can run compiled kernel-objects.
> > But for userspace programs linked to libraries I get ld-elf.so undefined
> > symbol... errors.
> 
> It seems you have it 95%-99% working. What are the undefined symbols?
> 

/libexec/ld-elf.so.1: /test_app: Undefined symbol "_ZNSt15basic_streambufIcSt11char_traitsIcEE7seekoffExSt12_Ios_SeekdirSt13_Ios_Openmode"

Maybe something wrong with my boost-lib or libstdc++?

Regards,
Marc

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