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$ sudo add-apt-repository ppa:terry.guo/gcc-arm-embedded
$ sudo apt-get update
$ sudo apt-get install gcc-arm-none-eabi

$ arm-none-eabi-gcc --version
arm-none-eabi-gcc (4.8.2-14ubuntu1+6) 4.8.2
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

• Download toolchain 4.7: https://launchpad.net/gcc-arm-embedded/4.7/4.7-2013-q3-update/+download/gcc-arm-none-eabi-4_7-2013q3-20130916-linux.tar.bz2

• Install dependencies in Ubuntu/Debian: (Ubuntu 12.04 LTS recommended to avoid the following Eclipse bug: http://stackoverflow.com/a/19543780)

  Code Block
  language bash
  sudo apt-get install python-serial python-argparse openocd \ flex bison libncurses5-dev autoconf texinfo build-essential \ libftdi-dev libtool zlib1g-dev genromfs ia32-libs-multiarch git-core wget

  Note: on older systems, "ia32-libs-multiarch" may be called just "ia32-libs."

• Extract gcc-arm-none-eabi-4_7.tar.bz2 to a desired folder e.g., ~/openwsn/gcc-arm-none-eabi-4_7.

• Modify the PATH environment variable:

  Code Block
  language bash
  exportline="export PATH=$HOME/openwsn/gcc-arm-none-eabi-4_7/bin:\$PATH" if grep -Fxq "$exportline" ~/.profile; then echo nothing to do ; else echo $exportline >> ~/.profile; fi . ~/.profile

• Add your username to the dialout group to make serial port access easier:

  Code Block
  language bash
  sudo usermod -a -G dialout $USER

• Verify that you can invoke the compiler:

  Code Block
  ~$ arm-none-eabi-gcc --version arm-none-eabi-gcc (GNU Tools for ARM Embedded Processors) 4.7.3 20130312 (release) [ARM/embedded-4_7-branch revision 196615] Copyright (C) 2012 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.