:orphan:

.. title:: TOOLCHAIN_HAS_BUILTIN_FFS

.. option:: CONFIG_TOOLCHAIN_HAS_BUILTIN_FFS

*(No prompt -- not directly user assignable.)*

Type: ``bool``

Help
====

.. code-block:: none

    Hidden option to signal that toolchain has __builtin_ffs*().

Default
=======

- y if !(\ :option:`64BIT <CONFIG_64BIT>` && \ :option:`RISCV <CONFIG_RISCV>`)

Kconfig definition
==================



At ``<Zephyr Architecture>/Kconfig:980``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29``

Menu path: (Top)

.. code-block:: kconfig

    config TOOLCHAIN_HAS_BUILTIN_FFS
    	bool
    	default y if !(64BIT && RISCV)
    	help
    	  Hidden option to signal that toolchain has __builtin_ffs*().

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*