On 8 February 2011 17:34, Julian Brown <jul...@codesourcery.com> wrote: > On Tue, 8 Feb 2011 11:22:32 +0000 > Julian Brown <jul...@codesourcery.com> wrote: > >> IIRC I couldn't figure out the magic incantation needed to do it last >> time I tried. I don't think the "--with-endian=xxx" option is >> supported for ARM. Possibly the way to do it is to configure for >> the "armeb-foo-eabi-bar" rather than "arm-foo-eabi-bar" target >> triplet. Of course you'll still need a big-endian C library, etc... >> >> OTOH a quick web-search seems to suggest that building a big-endian >> ARM cross-compiler might just not be possible with vanilla sources. > > A little more helpfully (:-)), I tried running crosstool-ng [1] to build > a big-endian ARM cross-compiler, and it seems to work nicely (although > I've not tested the resulting compiler beyond building "hello world" > and seeing that it produced a big-endian executable). One caveat is that > in-built configs for ARM only go up to GCC 4.4.5. I'm not sure how easy > it is to add newer releases -- just pointing to a newer release tarball > may or may not work. > > (Note that one of the patches supplied with crosstool-ng provides the > capability to compile a big-endian ARM toolchain: i.e., it looks like > support for doing that *isn't* in vanilla sources after all, as I > suspected.) > > I guess you could use crosstool-ng to build a compiler & big-endian C > library, then build a newer cross-compiler against the latter -- in > theory at least. > > I've attached the config I used to produce an (at least nominally) > working build.
Thanks a lot! I'll give it a try. Thanks, Ira > > HTH, > > Julian > > 1. http://freshmeat.net/projects/crosstool-ng/ > _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
