195 lines
8.3 KiB
HTML
195 lines
8.3 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1999-2016 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Funding Free Software", the Front-Cover
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Texts being (a) (see below), and with the Back-Cover Texts being (b)
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(see below). A copy of the license is included in the section entitled
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"GNU Free Documentation License".
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(a) The FSF's Front-Cover Text is:
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A GNU Manual
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(b) The FSF's Back-Cover Text is:
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You have freedom to copy and modify this GNU Manual, like GNU
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software. Copies published by the Free Software Foundation raise
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funds for GNU development. -->
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<!-- Created by GNU Texinfo 5.2, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>The GNU Fortran Compiler: Option Summary</title>
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<meta name="description" content="The GNU Fortran Compiler: Option Summary">
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<meta name="keywords" content="The GNU Fortran Compiler: Option Summary">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Invoking-GNU-Fortran.html#Invoking-GNU-Fortran" rel="up" title="Invoking GNU Fortran">
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<link href="Fortran-Dialect-Options.html#Fortran-Dialect-Options" rel="next" title="Fortran Dialect Options">
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<link href="Invoking-GNU-Fortran.html#Invoking-GNU-Fortran" rel="prev" title="Invoking GNU Fortran">
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</head>
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<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000">
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<a name="Option-Summary"></a>
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<div class="header">
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<p>
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Next: <a href="Fortran-Dialect-Options.html#Fortran-Dialect-Options" accesskey="n" rel="next">Fortran Dialect 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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</div>
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<hr>
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<a name="Option-summary"></a>
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<h3 class="section">2.1 Option summary</h3>
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<p>Here is a summary of all the options specific to GNU Fortran, grouped
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by type. Explanations are in the following sections.
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</p>
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<dl compact="compact">
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<dt><em>Fortran Language Options</em></dt>
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<dd><p>See <a href="Fortran-Dialect-Options.html#Fortran-Dialect-Options">Options controlling Fortran dialect</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-fall-intrinsics -fbackslash -fcray-pointer -fd-lines-as-code
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-fd-lines-as-comments
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-fdec -fdec-structure -fdefault-double-8 -fdefault-integer-8
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-fdefault-real-8 -fdollar-ok -ffixed-line-length-<var>n</var>
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-ffixed-line-length-none -ffree-form -ffree-line-length-<var>n</var>
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-ffree-line-length-none -fimplicit-none -finteger-4-integer-8
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-fmax-identifier-length -fmodule-private -ffixed-form -fno-range-check
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-fopenacc -fopenmp -freal-4-real-10 -freal-4-real-16 -freal-4-real-8
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-freal-8-real-10 -freal-8-real-16 -freal-8-real-4 -std=<var>std</var>
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</pre></div>
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</dd>
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<dt><em>Preprocessing Options</em></dt>
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<dd><p>See <a href="Preprocessing-Options.html#Preprocessing-Options">Enable and customize preprocessing</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-A-<var>question</var><span class="roman">[</span>=<var>answer</var><span class="roman">]</span>
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-A<var>question</var>=<var>answer</var> -C -CC -D<var>macro</var><span class="roman">[</span>=<var>defn</var><span class="roman">]</span>
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-H -P
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-U<var>macro</var> -cpp -dD -dI -dM -dN -dU -fworking-directory
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-imultilib <var>dir</var>
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-iprefix <var>file</var> -iquote -isysroot <var>dir</var> -isystem <var>dir</var> -nocpp
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-nostdinc
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-undef
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</pre></div>
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</dd>
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<dt><em>Error and Warning Options</em></dt>
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<dd><p>See <a href="Error-and-Warning-Options.html#Error-and-Warning-Options">Options to request or suppress errors
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and warnings</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-Waliasing -Wall -Wampersand -Warray-bounds
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-Wc-binding-type -Wcharacter-truncation
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-Wconversion -Wfunction-elimination -Wimplicit-interface
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-Wimplicit-procedure -Wintrinsic-shadow -Wuse-without-only -Wintrinsics-std
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-Wline-truncation -Wno-align-commons -Wno-tabs -Wreal-q-constant
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-Wsurprising -Wunderflow -Wunused-parameter -Wrealloc-lhs -Wrealloc-lhs-all
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-Wtarget-lifetime -fmax-errors=<var>n</var> -fsyntax-only -pedantic -pedantic-errors
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</pre></div>
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</dd>
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<dt><em>Debugging Options</em></dt>
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<dd><p>See <a href="Debugging-Options.html#Debugging-Options">Options for debugging your program or GNU Fortran</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-fbacktrace -fdump-fortran-optimized -fdump-fortran-original
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-fdump-parse-tree -ffpe-trap=<var>list</var> -ffpe-summary=<var>list</var>
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</pre></div>
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</dd>
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<dt><em>Directory Options</em></dt>
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<dd><p>See <a href="Directory-Options.html#Directory-Options">Options for directory search</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-I<var>dir</var> -J<var>dir</var> -fintrinsic-modules-path <var>dir</var>
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</pre></div>
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</dd>
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<dt><em>Link Options</em></dt>
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<dd><p>See <a href="Link-Options.html#Link-Options">Options for influencing the linking step</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-static-libgfortran
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</pre></div>
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</dd>
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<dt><em>Runtime Options</em></dt>
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<dd><p>See <a href="Runtime-Options.html#Runtime-Options">Options for influencing runtime behavior</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-fconvert=<var>conversion</var> -fmax-subrecord-length=<var>length</var>
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-frecord-marker=<var>length</var> -fsign-zero
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</pre></div>
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</dd>
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<dt><em>Code Generation Options</em></dt>
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<dd><p>See <a href="Code-Gen-Options.html#Code-Gen-Options">Options for code generation conventions</a>.
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</p><div class="smallexample">
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<pre class="smallexample">-faggressive-function-elimination -fblas-matmul-limit=<var>n</var>
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-fbounds-check -fcheck-array-temporaries
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-fcheck=<var><all|array-temps|bounds|do|mem|pointer|recursion></var>
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-fcoarray=<var><none|single|lib></var> -fexternal-blas -ff2c
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-ffrontend-optimize
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-finit-character=<var>n</var> -finit-integer=<var>n</var> -finit-local-zero
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-finit-logical=<var><true|false></var>
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-finit-real=<var><zero|inf|-inf|nan|snan></var>
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-finline-matmul-limit=<var>n</var>
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-fmax-array-constructor=<var>n</var> -fmax-stack-var-size=<var>n</var>
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-fno-align-commons
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-fno-automatic -fno-protect-parens -fno-underscoring
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-fsecond-underscore -fpack-derived -frealloc-lhs -frecursive
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-frepack-arrays -fshort-enums -fstack-arrays
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</pre></div>
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</dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Fortran-Dialect-Options.html#Fortran-Dialect-Options" accesskey="n" rel="next">Fortran Dialect 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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</div>
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