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fixeria, 08/13/2020 10:28 AM


To compile the target firmware for OsmocomBB or SIMtrace, you need a GNU toolchain for ARM. You can either use binary packages provided by your distribution (recommended), or build a toolchain from source code yourself. There are various pre-compiled toolchains available (e.g. Code Sourcery), but not all of them will produce working firmware. We're trying to support all these configurations, but it might take a while to identify the source of a problem. If you have persistent errors when compiling, try using a different package.

Binary packages

You can use a pre-compiled toolchain provided by your GNU/Linux distribution.

For Debian based distributions (Ubuntu, Linux Mint, etc.), use the following command:

$ sudo apt install gcc-arm-none-eabi

For ArchLinux (

$ sudo pacman -S arm-none-eabi-gcc arm-none-eabi-newlib

The following versions are confirmed to work:

Name            : arm-none-eabi-gcc
Version         : 10.2.0-1
Name            : arm-none-eabi-binutils
Version         : 2.34-1
Name            : arm-none-eabi-newlib
Version         : 3.3.0-1

Building from source

If a pre-compiled toolchain provided by your distribution fails to produce working firmware images, you can build your own toolchain known to be working with OsmocomBB, see here: GnuArmToolchain.

Building old branches

If you need to build the firmware from old unmaintained branches (sylvain/burst_ind, sylvain/testing, jolly/testing, etc.), an older version of toolchain is needed.

Please follow the build instructions at:

When using toolchain with GCC >=4.8, the firmware can be compiled, but will hang as soon as you want to sync to an ARFCN.
This issue has been fixed in master:

Mac OS X

Apparently the arm-elf-gcc 4.3.2 from ports for MacOS X can compile the firmware as well after symlinking /opt/local/bin/arm-elf-ranlib to /opt/local/bin/arm-elf-linux-ranlib and /opt/local/bin/arm-elf-strip to /opt/local/bin/arm-elf-linux-strip. If you omit the links, there will be unresolvable references to symbols in the libraries.

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Updated by fixeria over 3 years ago · 20 revisions

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