= Supported Preprocessor Directives =
[wiki:FortranOverview#a1.1.Basicgoals Back:FortranOverview]
== Supported preprocessor directive list ==
* `#include` : Header file inclusion
* `#define` : Macro expansion
* `#error` : Preprocessor error report
* `#ifdef` : Conditional compilation based on macro with definitions
* `#ifndef` : Conditional compilation based on macro without definitions
* `#if` : Conditional compilation based on conditional expressions
* `#elif` : Conditional compilation based on conditional expressions
* `#else` : Conditional compilation based on conditional expressions
* `#endif` : End mark of conditional compilation area.