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| <title>The GNU Fortran Compiler: Directory Options</title> |
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| Next: <a href="Link-Options.html#Link-Options" accesskey="n" rel="next">Link Options</a>, Previous: <a href="Debugging-Options.html#Debugging-Options" accesskey="p" rel="prev">Debugging Options</a>, Up: <a href="Invoking-GNU-Fortran.html#Invoking-GNU-Fortran" accesskey="u" rel="up">Invoking GNU Fortran</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p> |
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| <a name="Options-for-directory-search"></a> |
| <h3 class="section">2.6 Options for directory search</h3> |
| <a name="index-directory_002c-options"></a> |
| <a name="index-options_002c-directory-search"></a> |
| <a name="index-search-path"></a> |
| <a name="index-INCLUDE-directive"></a> |
| <a name="index-directive_002c-INCLUDE"></a> |
| <p>These options affect how GNU Fortran searches |
| for files specified by the <code>INCLUDE</code> directive and where it searches |
| for previously compiled modules. |
| </p> |
| <p>It also affects the search paths used by <code>cpp</code> when used to preprocess |
| Fortran source. |
| </p> |
| <dl compact="compact"> |
| <dt><code>-I<var>dir</var></code></dt> |
| <dd><a name="index-Idir"></a> |
| <a name="index-directory_002c-search-paths-for-inclusion"></a> |
| <a name="index-inclusion_002c-directory-search-paths-for"></a> |
| <a name="index-search-paths_002c-for-included-files"></a> |
| <a name="index-paths_002c-search"></a> |
| <a name="index-module-search-path"></a> |
| <p>These affect interpretation of the <code>INCLUDE</code> directive |
| (as well as of the <code>#include</code> directive of the <code>cpp</code> |
| preprocessor). |
| </p> |
| <p>Also note that the general behavior of <samp>-I</samp> and |
| <code>INCLUDE</code> is pretty much the same as of <samp>-I</samp> with |
| <code>#include</code> in the <code>cpp</code> preprocessor, with regard to |
| looking for <samp>header.gcc</samp> files and other such things. |
| </p> |
| <p>This path is also used to search for <samp>.mod</samp> files when previously |
| compiled modules are required by a <code>USE</code> statement. |
| </p> |
| <p>See <a href="http://gcc.gnu.org/onlinedocs/gcc/Directory-Options.html#Directory-Options">Options for Directory Search</a> in <cite>Using the GNU Compiler Collection (GCC)</cite>, for information on the |
| <samp>-I</samp> option. |
| </p> |
| </dd> |
| <dt><code>-J<var>dir</var></code></dt> |
| <dd><a name="index-Jdir"></a> |
| <a name="index-Mdir"></a> |
| <a name="index-paths_002c-search-1"></a> |
| <a name="index-module-search-path-1"></a> |
| <p>This option specifies where to put <samp>.mod</samp> files for compiled modules. |
| It is also added to the list of directories to searched by an <code>USE</code> |
| statement. |
| </p> |
| <p>The default is the current directory. |
| </p> |
| </dd> |
| <dt><code>-fintrinsic-modules-path <var>dir</var></code></dt> |
| <dd><a name="index-fintrinsic_002dmodules_002dpath-dir"></a> |
| <a name="index-paths_002c-search-2"></a> |
| <a name="index-module-search-path-2"></a> |
| <p>This option specifies the location of pre-compiled intrinsic modules, if |
| they are not in the default location expected by the compiler. |
| </p></dd> |
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