<html lang="en"> <head> <title>Mixed-Language Programming - The GNU Fortran Compiler</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="The GNU Fortran Compiler"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="prev" href="Compiler-Characteristics.html#Compiler-Characteristics" title="Compiler Characteristics"> <link rel="next" href="Extensions.html#Extensions" title="Extensions"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <!-- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with the Invariant Sections being ``Funding Free Software'', the Front-Cover Texts being (a) (see below), and with the Back-Cover Texts being (b) (see below). A copy of the license is included in the section entitled ``GNU Free Documentation License''. (a) The FSF's Front-Cover Text is: A GNU Manual (b) The FSF's Back-Cover Text is: You have freedom to copy and modify this GNU Manual, like GNU software. Copies published by the Free Software Foundation raise funds for GNU development.--> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="Mixed-Language-Programming"></a> <a name="Mixed_002dLanguage-Programming"></a> <p> Next: <a rel="next" accesskey="n" href="Extensions.html#Extensions">Extensions</a>, Previous: <a rel="previous" accesskey="p" href="Compiler-Characteristics.html#Compiler-Characteristics">Compiler Characteristics</a>, Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a> <hr> </div> <h2 class="chapter">7 Mixed-Language Programming</h2> <p><a name="index-Interoperability-331"></a><a name="index-Mixed_002dlanguage-programming-332"></a> <ul class="menu"> <li><a accesskey="1" href="Interoperability-with-C.html#Interoperability-with-C">Interoperability with C</a> <li><a accesskey="2" href="GNU-Fortran-Compiler-Directives.html#GNU-Fortran-Compiler-Directives">GNU Fortran Compiler Directives</a> <li><a accesskey="3" href="Non_002dFortran-Main-Program.html#Non_002dFortran-Main-Program">Non-Fortran Main Program</a> </ul> <p>This chapter is about mixed-language interoperability, but also applies if one links Fortran code compiled by different compilers. In most cases, use of the C Binding features of the Fortran 2003 standard is sufficient, and their use is highly recommended. </body></html>