Hello,
2009/12/14 Bill Gatliff <b...@billgatliff.com>:
>> How 'arm-none-eabi' differ from 'arm-linux-gnueabi' besides C library?
>> Can 'arm-linux-gnueabi' be used in most 'arm-none-eabi' use cases?
>
> It is technically possible to use an arm-linux toolchain where one would
> normally use an arm-none toolchain. But there are subtle differences
> between the two at the library interface level, I have found that the
> *-linux toolchain tends to depend on library functions that bare-metal
> systems often don't have.
>
> It's also a matter of clarity for developers. "Why would I want a
> *-linux toolchain, I'm not building for a Linux target".
But if technically speaking, they both offer same resources for
developers, it does not make me any sense to duplicate the archive.
>> Emdebian is a group of people. This group tries to dignify Debian to
>> be used for embedded targets (not fork, nor port). There are many
>> tools (scratchbox, qemu, cross toolchains, apt-cross, dpkg-cross,
>> emdebian-{tools, rootfs, grip, *}) emdebian people is working on.
>
> Yes, and they are all fabulous. Particularly if you are trying to
> manage Debian in cross-platform environments. But they aren't
> particularly optimal for what the OP is trying to accomplish, which is
> to produce a toolchain that can be used as a starting point for a
> bare-metal application.
This is like a first stage toolchain, which it is in the toolchain
roadmap (as bootstrapping toolchain). Then we can have eglibc, uclibc
or other C libraries based toolchains.
> I like the idea of having cross toolchain packages that are "sociable"
> with the Debian system. However, that really isn't a consideration for
> a binutils-arm-none toolchain: its work products are by definition not
> compatible with Debian--- or even Linux. So the concerns for this
> situation come down to making sure that his packaging approach is
> consistent with other Debian packages for non-Debian toolchains, AFAICT.
I think I missed this point on binutils-arm-none. But binutils does
not depend on linux nor C library. binutils-armel can be shared among
(eglibc,uclibc,newlib,...) toolchains.
--
Héctor Orón
"Our Sun unleashes tremendous flares expelling hot gas into the Solar
System, which one day will disconnect us."
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