# Inlining Options

This section contains descriptions for compiler options that pertain to inlining.

Parent topic: Compiler Option Details

- fgnu89-inline
  Tells the compiler to use C89 semantics for inline functions when in C99 mode.
- finline
  Tells the compiler to inline functions declared with __inline and perform C++ inlining.
- finline-functions
  Enables function inlining for single file compilation.