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Re: GCC support libraries and sysroot

Le Mon, 7 May 2012 08:23:59 +1200,
Michael Hope <> a Ãcrit :

> Hi Thomas.  CodeSourcery and crosstool-NG supply a compiler, runtime,
> and sysroot.  We supply a compiler and runtime that work with a few
> sysroots, and include a basic sysroot so the compiler works out of the
> box.  It's important to me that an end user can easily swap out the
> sysroot for a bigger or compatible (Fedora?  Debian?) one
> Could you tell me more about your use case?  Perhaps we can tweak the
> default sysroot.

Well, in the end, I managed to get things working for Buildroot. I
considered that the GCC support libraries (libgcc_s, libstdc++, etc.)
can be in a separate directory, outside the sysroot, and I tweaked our
external toolchain logic to support this case. It seems to work fine.

I'm not sure it's really readable, but the change I've done to
Buildroot is
I've also added support for Linaro 2012.04, and I've successfully
generated and booted an ARM Linux system with Buildroot and the Linaro
2012.04 toolchain.


Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.

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