Installing toolchain (GCC)

Joakim Nohlgård edited this page Feb 20, 2017 · 11 revisions

Ubuntu Trusty 14.04 LTS and later

GCC and binutils

See also

The cross GCC is available in a third-party package repository:

sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
sudo apt-get update
sudo apt-get install gcc-arm-none-eabi


Install OpenOCD (v0.7.0 is available in Ubuntu 14.04):

sudo apt-get install openocd


arm-none-eabi-gdb comes as a part of the arm-none-eabi-gcc toolchain above.

Gentoo Linux

GCC and binutils

emerge crossdev
crossdev -t arm-none-eabi -s4

In order to get a complete thumb2 newlib with proper softfloat support it is necessary to modify the default multilib specification of gcc. Place the following patch in /etc/portage/patches/cross-arm-none-eabi/gcc/


OpenOCD is available in the Gentoo repositories as dev-embedded/openocd, it is only available in the unstable arch. Add dev-embedded/openocd to package.keywords and make sure the ftdi USE flag is enabled.

mkdir -p /etc/portage/package.keywords
mkdir -p /etc/portage/package.use
echo "dev-embedded/openocd" >> /etc/portage/package.keywords/openocd
echo "dev-embedded/openocd ftdi" >> /etc/portage/package.use/openocd
emerge -av openocd


Either build a multitarget gdb binary with USE=multitarget or install arm-none-eabi-gdb using crossdev

[follow the instructions above to install a cross GCC]
emerge -av cross-arm-none-eabi/gdb


Homebrew scripts are available at

gcc-arm-embedded toolchain

echo "deb YOUR_UBUNTU_RELEASE main" \
 > /etc/apt/sources.list.d/gcc-arm-embedded.list && \
apt-key adv --keyserver hkp:// \
--recv-keys B4D03348F75E3362B1E1C2A1D1FAA6ECF64D33B0
apt-get update
apt-get install gcc-arm-embedded
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