1<html lang="en"> 2<head> 3<title>Solaris 2 Options - Using the GNU Compiler Collection (GCC)</title> 4<meta http-equiv="Content-Type" content="text/html"> 5<meta name="description" content="Using the GNU Compiler Collection (GCC)"> 6<meta name="generator" content="makeinfo 4.13"> 7<link title="Top" rel="start" href="index.html#Top"> 8<link rel="up" href="Submodel-Options.html#Submodel-Options" title="Submodel Options"> 9<link rel="prev" href="SH-Options.html#SH-Options" title="SH Options"> 10<link rel="next" href="SPARC-Options.html#SPARC-Options" title="SPARC Options"> 11<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> 12<!-- 13Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 141998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 152010 Free Software Foundation, Inc. 16 17Permission is granted to copy, distribute and/or modify this document 18under the terms of the GNU Free Documentation License, Version 1.3 or 19any later version published by the Free Software Foundation; with the 20Invariant Sections being ``Funding Free Software'', the Front-Cover 21Texts being (a) (see below), and with the Back-Cover Texts being (b) 22(see below). A copy of the license is included in the section entitled 23``GNU Free Documentation License''. 24 25(a) The FSF's Front-Cover Text is: 26 27 A GNU Manual 28 29(b) The FSF's Back-Cover Text is: 30 31 You have freedom to copy and modify this GNU Manual, like GNU 32 software. Copies published by the Free Software Foundation raise 33 funds for GNU development.--> 34<meta http-equiv="Content-Style-Type" content="text/css"> 35<style type="text/css"><!-- 36 pre.display { font-family:inherit } 37 pre.format { font-family:inherit } 38 pre.smalldisplay { font-family:inherit; font-size:smaller } 39 pre.smallformat { font-family:inherit; font-size:smaller } 40 pre.smallexample { font-size:smaller } 41 pre.smalllisp { font-size:smaller } 42 span.sc { font-variant:small-caps } 43 span.roman { font-family:serif; font-weight:normal; } 44 span.sansserif { font-family:sans-serif; font-weight:normal; } 45--></style> 46<link rel="stylesheet" type="text/css" href="../cs.css"> 47</head> 48<body> 49<div class="node"> 50<a name="Solaris-2-Options"></a> 51<p> 52Next: <a rel="next" accesskey="n" href="SPARC-Options.html#SPARC-Options">SPARC Options</a>, 53Previous: <a rel="previous" accesskey="p" href="SH-Options.html#SH-Options">SH Options</a>, 54Up: <a rel="up" accesskey="u" href="Submodel-Options.html#Submodel-Options">Submodel Options</a> 55<hr> 56</div> 57 58<h4 class="subsection">3.17.38 Solaris 2 Options</h4> 59 60<p><a name="index-Solaris-2-options-2055"></a> 61These ‘<samp><span class="samp">-m</span></samp>’ options are supported on Solaris 2: 62 63 <dl> 64<dt><code>-mimpure-text</code><dd><a name="index-mimpure_002dtext-2056"></a><samp><span class="option">-mimpure-text</span></samp>, used in addition to <samp><span class="option">-shared</span></samp>, tells 65the compiler to not pass <samp><span class="option">-z text</span></samp> to the linker when linking a 66shared object. Using this option, you can link position-dependent 67code into a shared object. 68 69 <p><samp><span class="option">-mimpure-text</span></samp> suppresses the “relocations remain against 70allocatable but non-writable sections” linker error message. 71However, the necessary relocations will trigger copy-on-write, and the 72shared object is not actually shared across processes. Instead of 73using <samp><span class="option">-mimpure-text</span></samp>, you should compile all source code with 74<samp><span class="option">-fpic</span></samp> or <samp><span class="option">-fPIC</span></samp>. 75 76 </dl> 77 78 <p>These switches are supported in addition to the above on Solaris 2: 79 80 <dl> 81<dt><code>-threads</code><dd><a name="index-threads-2057"></a>Add support for multithreading using the Solaris threads library. This 82option sets flags for both the preprocessor and linker. This option does 83not affect the thread safety of object code produced by the compiler or 84that of libraries supplied with it. 85 86 <br><dt><code>-pthreads</code><dd><a name="index-pthreads-2058"></a>Add support for multithreading using the POSIX threads library. This 87option sets flags for both the preprocessor and linker. This option does 88not affect the thread safety of object code produced by the compiler or 89that of libraries supplied with it. 90 91 <br><dt><code>-pthread</code><dd><a name="index-pthread-2059"></a>This is a synonym for <samp><span class="option">-pthreads</span></samp>. 92</dl> 93 94 </body></html> 95 96