[uClibc] trying to build uclibc toolchain for powerpc e500 core
Kylo Ginsberg
kylo at kylo.net
Tue Mar 15 18:07:51 UTC 2005
To answer my own query for the record:
I worked around this by using buildroot to build the toolchain, then
separately building uClibc (here specifying the desired CFLAGS) and
installing it on top of the buildroot results.
Cheers,
Kylo
Kylo Ginsberg wrote:
> Hello,
>
> I'm trying to build a uclibc-based toolchain for the powerpc e500
> core. I'm using buildroot and specifying "--with-cpu=8540" under
> Additional Gcc Options. However, the resultant binaries include load
> and store string instructions (e.g. lswi, stswi, etc), which aren't
> supported by the e500 core.
>
> I can work around this for applications by specifying "-mno-string" as
> a gcc option, but:
> a) this should be obviated by specifying a processor which doesn't
> support those instructions,
> b) I haven't figured out how to pass "-mno-string" down to the lib
> builds, so I have no workaround there
>
> I'm new to the subtleties of building gcc toolchains, so I'm likely
> doing something ignorant. Any help or pointers will be greatly
> appreciated.
>
> Cheers,
> Kylo
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