You may find the extensions at https://github.com/mkedwards/crosstool-ng useful.

Cheers,
- Michael

On Sun, Oct 23, 2011 at 6:09 PM, Zhenqiang Chen
<zhenqiang.c...@linaro.org> wrote:
> Summary:
> * Exercise crosstool-ng and summarize the gaps.
>
> Details:
> * Exercise crosstool-ng
>  (1) Sync with lp:~linaro-toolchain-dev/crosstool-ng/linaro.
>  (2) Try to config linux-host-baremental-target an
> mingw32-host-baremental-target.
>  (3) Try to build the toolchain for both embedded toolchain and
> linaro-gcc-4.6-2011.10 with the config.
>     . C compiler for linux and mingw32 hosts and c++ compiler for
> linux host can be built without any change.
>     . C++ compiler for mingw32 host can be built after PCH is disabled.
>     . GDB-cross build fail due to dependence packages.
> * Gaps in crosstool-ng
>  (1) Improve GDB-cross scripts to download and build the dependence
> packages: expat and ncurses. Or put expat and ncurses as
> companion_libraries.
>  (2) To remove dependence, embedded toolchain requires more
> prerequisites like zlib.
>      New config and scripts are required to support the packages.
>  (3) Currently, the embedded toolchain source packages are released
> as a tarball, which includes gcc, gmp, etc. New scripts are required
> to support it.
>  (4) To make sure the toolchain can run with lower version glibc like
> redhat4/5, the embedded toolchain requires lower version native
> gcc4.3.6 to build it.
>      To support it,
>      . Users can build the native gcc manually, or
>      . Enhance the scripts to add one step to build native gcc.
>  (5) All the default package configurations are different from
> embedded toolchain internal build scripts.
>      Since the configurations in embedded toolchain had been tuned
> and tested, we will change the configurations in crosstool-ng if they
> do not match and not configurable.
>      The same rule will apply for linaro toolchain.
>
> Plans:
> * Write scripts to re-pack the embedded toolchain source packages.
> * Add the supports for all prerequisites in crosstool-ng menuconfig.
>
> Thanks!
> -Zhenqiang
>
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> linaro-toolchain@lists.linaro.org
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>

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