Help¶

This option is a free-form string that is passed to the compiler when building all parts of a project (i.e. kernel). The compiler options specified by this string supplement the predefined set of compiler supplied by the build system, and can be used to change compiler optimization, warning and error messages, and so on.

Defaults¶

No defaults. Implicitly defaults to the empty string.

Kconfig definition¶

At <Zephyr>/Kconfig.zephyr:220

Included via <Zephyr>/Kconfig:8

Menu path: (Top) → Build and Link Features → Compiler Options

config COMPILER_OPT
    string "Custom compiler options"
    help
      This option is a free-form string that is passed to the compiler
      when building all parts of a project (i.e. kernel).
      The compiler options specified by this string supplement the
      predefined set of compiler supplied by the build system,
      and can be used to change compiler optimization, warning and error
      messages, and so on.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)