.. _module-pw_toolchain:

------------
pw_toolchain
------------
The ``pw_toolchain`` module enumerates GN toolchain definitions that may be used
to build pigweed.

``pw_toolchain`` defines the following toolchains:

 - arm_gcc_cortex_m4_og
 - arm_gcc_cortex_m4_o1
 - arm_gcc_cortex_m4_o2
 - arm_gcc_cortex_m4_os
 - arm_gcc_cortex_m4f_og
 - arm_gcc_cortex_m4f_o1
 - arm_gcc_cortex_m4f_o2
 - arm_gcc_cortex_m4f_os
 - host_clang_og
 - host_clang_o2
 - host_clang_os
 - host_gcc_og
 - host_gcc_o2
 - host_gcc_os

.. note::
  The documentation for this module is currently incomplete.