Information about arm-unknown-linux-gnueabi.tar.gz

Tool chain is compatible with:
Raspbian
Xbian
(Arch Linux should work. Note: compiling toolchain on Arch failed)

Build machine:
OS: Ubuntu 12.04 LTS
crosstool-ng version: 1.18.0
GCC version: 4.6.3

.config highlights:
Base kernel: 3.6.11
GCC version: 4.7.2
FPU: hardfp

Contents of .build/tarballs:
binutils-2.22.tar.bz2
cloog-ppl-0.15.11.tar.gz
eglibc-2_13.tar.bz2
eglibc-ports-2_13.tar.bz2
gcc-4.7.2.tar.bz2
gmp-5.0.2.tar.bz2
linux-3.6.11.tar.xz
mpc-0.9.tar.gz
mpfr-3.1.0.tar.xz
ppl-0.11.2.tar.lzma

# -----------------------------------------------------------------------------
wget http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.18.0.tar.bz2
md5sum -c <<<'3376d389c632baa77f0bce1db1a196a9  crosstool-ng-1.18.0.tar.bz2'
tar xf crosstool-ng-1.18.0.tar.bz2 && crosstool-ng-1.18.0
./configure --prefix=/tmp/crosstool-ng && make install

mkdir /tmp/rpi-deb-tc && cd /tmp/rpi-deb-tc
# Create .config, e.g. with: /tmp/crosstool-ng/bin/ct-ng menuconfig
/tmp/crosstool-ng/bin/ct-ng build
# go walk for some minutes
# Build ready in /tmp/x-tools/arm-unknown-linux-gnueabi
# -----------------------------------------------------------------------------

(build instructions from http://raspberrypi.stackexchange.com/a/225/7232)