Re: [gentoo-embedded] Re: Appropriate toolchain for a SPARC?

[Dimitris Lampridis <dlampridis@cosine.nl>]

On Sun, 2007-01-21 at 12:16 +0100, Peter S. Mazinger wrote:
> On Fri, 19 Jan 2007, Dimitris Lampridis wrote:
> 
> > On Thu, 2007-01-18 at 11:47 +0100, Dimitris Lampridis wrote:
> > > I want to build a cross toolchain on an x86 system, to be able to
> > > compile for SPARC without hardware floating point support, using uclibc.
> > > I've done some attempts already but they all fail (for various reasons).
> > > Up until now, I have not succeeded 100%. So I thought I should do it in
> > > the proper way, starting from the beginning:
> > > 
> > > Could you please let me know if there is a specific combination of
> > > binutils, gcc, uclibc etc., that is well-known to work for a
> > > sparc-softfloat-linux-uclibc target? 
> > > 
> > > thank you in advance,
> > > Dimitris
> > > 
> > > PS: I currently try with:
> > > 	binutils-2.17
> > > 	gcc-4.1.1-r3
> > > 	linux-headers-2.6.19.2-r1
> > > 	uclibc-0.9.28-r2
> > > 
> > 
> > nobody yet? Well, I've been trying several combinations of the programs,
> > and they still all fail. I've had success with binutils-2.17, with gcc
> > 3.4.1-r3, 3.4.4-r1 and 4.1.1-r3, but no luck with uclibc.
> > 
> > I've tried uclibc 0.9.28-r2, 0.9.28-r1 and 0.9.28 (as well as 0.9.27
> > that apparently does not support sparc?), and every time they fail on
> > the same problem, complaining about duplicate "_start" symbol in ldso.c.
> > I've attached my uclibc emerge log, hopefully someone can propose
> > something?
> > 
> > thank you,
> > Dimitris
> 
> you may try to use uclibc-svn (no ebuild for it), some sparc support was 
> added.
> 
> Peter
> 
> -- 
> Peter S. Mazinger <ps dot m at gmx dot net>           ID: 0xA5F059F2
> Key fingerprint = 92A4 31E1 56BC 3D5A 2D08  BB6E C389 975E A5F0 59F2
> 
Hmmm, uclibc from SVN does the trick. I also tried buildroot and I was
able to produce a working toolchain for softfloat SPARC, out of:
binutils-2.6.91.0.7
linux-kernel-2.6.11
gcc-3.4.2
latest snapshot of uclibc

Thank you Peter for your time,
Dimitris


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