Instructions to build the raspberry Pi gcc crosstoolchain

build_cross_gcc_raspi.sh

sudo apt-get install bison cvs flex gperf texinfo automake libtool gawk libncurses5-dev subversion

cd Downloads
wget http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.19.0.tar.bz2
cd ..

mkdir -p toolchain/raspberrypi
cd toolchain/raspberrypi
tar xjf ../../Downloads/crosstool-ng-1.19.0.tar.bz2
cd crosstool-ng-1.19.0

mkdir -p ~/local/crosstool-ng
./configure --prefix=${HOME}/local/crosstool-ng
make
make install

export PATH=$PATH:~/local/crosstool-ng/bin/
mkdir -p ~/toolchain/raspberrypi/staging
cd ~/toolchain/raspberrypi/staging
ct-ng menuconfig

# Target options --> Target architecture --> arm
# Target options --> Endianess --> little endian
# Target options --> Bitness --> 32 bit
# Operating System --> Linux
# Binary Utilities --> binutils version --> /select a desired version/
# C compiler --> Show Linaro versions
# C compiler --> gcc version --> /select a desired version/
# C compiler --> C++


ct-ng build