| 1 | <html lang="en">
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| 2 | <head>
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| 3 | <title>Installing GCC: Final installation</title>
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| 4 | <meta http-equiv="Content-Type" content="text/html">
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| 5 | <meta name="description" content="Installing GCC: Final installation">
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| 7 | <link href="http://www.gnu.org/software/texinfo/" rel="generator-home">
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| 8 | <!--
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| 9 | Copyright © 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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| 10 | 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
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| 11 | <br><p>
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| 12 | <p>Permission is granted to copy, distribute and/or modify this document
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| 13 | under the terms of the GNU Free Documentation License, Version 1.2 or
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| 14 | any later version published by the Free Software Foundation; with no
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| 15 | Invariant Sections, the Front-Cover texts being (a) (see below), and
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| 16 | with the Back-Cover Texts being (b) (see below). A copy of the
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| 17 | license is included in the section entitled "<a href="./gfdl.html">GNU Free Documentation License</a>".
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| 18 |
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| 19 | <p>(a) The FSF's Front-Cover Text is:
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| 20 |
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| 21 | <p>A GNU Manual
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| 22 |
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| 23 | <p>(b) The FSF's Back-Cover Text is:
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| 24 |
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| 25 | <p>You have freedom to copy and modify this GNU Manual, like GNU
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| 26 | software. Copies published by the Free Software Foundation raise
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| 27 | funds for GNU development.-->
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| 28 | </head>
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| 29 | <body>
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| 30 | <h1 class="settitle">Installing GCC: Final installation</h1>
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| 31 | Now that GCC has been built (and optionally tested), you can install it with
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| 32 | <pre class="example"> cd <var>objdir</var>; make install
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| 33 | </pre>
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| 34 |
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| 35 | <p>We strongly recommend to install into a target directory where there is
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| 36 | no previous version of GCC present.
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| 37 |
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| 38 | <p>That step completes the installation of GCC; user level binaries can
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| 39 | be found in <code></code><var>prefix</var><code>/bin</code> where <var>prefix</var> is the value you
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| 40 | specified with the <code>--prefix</code> to configure (or <code>/usr/local</code>
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| 41 | by default). (If you specified <code>--bindir</code>, that directory will
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| 42 | be used instead; otherwise, if you specified <code>--exec-prefix</code>,
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| 43 | <code></code><var>exec-prefix</var><code>/bin</code> will be used.) Headers for the C++ and
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| 44 | Java libraries are installed in <code></code><var>prefix</var><code>/include</code>; libraries
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| 45 | in <code></code><var>libdir</var><code></code> (normally <code></code><var>prefix</var><code>/lib</code>); internal
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| 46 | parts of the compiler in <code></code><var>libdir</var><code>/gcc-lib</code>; documentation in
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| 47 | info format in <code></code><var>infodir</var><code></code> (normally <code></code><var>prefix</var><code>/info</code>).
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| 48 |
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| 49 | <p>When installing cross-compilers, GCC's executables
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| 50 | are not only installed into <code></code><var>bindir</var><code></code>, that
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| 51 | is, <code></code><var>exec-prefix</var><code>/bin</code>, but additionally into
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| 52 | <code></code><var>exec-prefix</var><code>/</code><var>target-alias</var><code>/bin</code>, if that directory
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| 53 | exists. Typically, such <dfn>tooldirs</dfn> hold target-specific
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| 54 | binutils, including assembler and linker.
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| 55 |
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| 56 | <p>Installation into a temporary staging area or into a <code>chroot</code>
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| 57 | jail can be achieved with the command
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| 58 |
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| 59 | <pre class="example"> make DESTDIR=<var>path-to-rootdir</var> install
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| 60 | </pre>
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| 61 |
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| 62 | <p>where <var>path-to-rootdir</var> is the absolute path of
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| 63 | a directory relative to which all installation paths will be
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| 64 | interpreted. Note that the directory specified by <code>DESTDIR</code>
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| 65 | need not exist yet; it will be created if necessary.
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| 66 |
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| 67 | <p>There is a subtle point with tooldirs and <code>DESTDIR</code>:
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| 68 | If you relocate a cross-compiler installation with
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| 69 | e.g. <code>DESTDIR=</code><var>rootdir</var><code></code>, then the directory
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| 70 | <code></code><var>rootdir</var><code>/</code><var>exec-prefix</var><code>/</code><var>target-alias</var><code>/bin</code> will
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| 71 | be filled with duplicated GCC executables only if it already exists,
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| 72 | it will not be created otherwise. This is regarded as a feature,
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| 73 | not as a bug, because it gives slightly more control to the packagers
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| 74 | using the <code>DESTDIR</code> feature.
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| 75 |
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| 76 | <p>If you built a released version of GCC using <code>make bootstrap</code> then please
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| 77 | quickly review the build status page for your release, available from
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| 78 | <a href="http://gcc.gnu.org/buildstat.html">http://gcc.gnu.org/buildstat.html</a>.
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| 79 | If your system is not listed for the version of GCC that you built,
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| 80 | send a note to
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| 81 | <a href="mailto:gcc@gcc.gnu.org">gcc@gcc.gnu.org</a> indicating
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| 82 | that you successfully built and installed GCC.
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| 83 | Include the following information:
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| 84 |
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| 85 | <ul>
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| 86 | <li>Output from running <code></code><var>srcdir</var><code>/config.guess</code>. Do not send us
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| 87 | that file itself, just the one-line output from running it.
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| 88 |
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| 89 | <li>The output of <code>gcc -v</code> for your newly installed gcc.
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| 90 | This tells us which version of GCC you built and the options you passed to
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| 91 | configure.
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| 92 |
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| 93 | <li>Whether you enabled all languages or a subset of them. If you used a
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| 94 | full distribution then this information is part of the configure
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| 95 | options in the output of <code>gcc -v</code>, but if you downloaded the
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| 96 | "core" compiler plus additional front ends then it isn't apparent
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| 97 | which ones you built unless you tell us about it.
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| 98 |
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| 99 | <li>If the build was for GNU/Linux, also include:
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| 100 | <ul>
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| 101 | <li>The distribution name and version (e.g., Red Hat 7.1 or Debian 2.2.3);
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| 102 | this information should be available from <code>/etc/issue</code>.
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| 103 |
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| 104 | <li>The version of the Linux kernel, available from <code>uname --version</code>
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| 105 | or <code>uname -a</code>.
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| 106 |
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| 107 | <li>The version of glibc you used; for RPM-based systems like Red Hat,
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| 108 | Mandrake, and SuSE type <code>rpm -q glibc</code> to get the glibc version,
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| 109 | and on systems like Debian and Progeny use <code>dpkg -l libc6</code>.
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| 110 | </ul>
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| 111 | For other systems, you can include similar information if you think it is
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| 112 | relevant.
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| 113 |
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| 114 | <li>Any other information that you think would be useful to people building
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| 115 | GCC on the same configuration. The new entry in the build status list
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| 116 | will include a link to the archived copy of your message.
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| 117 | </ul>
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| 118 |
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| 119 | <p>We'd also like to know if the
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| 120 | <a href="specific.html">host/target specific installation notes</a>
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| 121 | didn't include your host/target information or if that information is
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| 122 | incomplete or out of date. Send a note to
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| 123 | <a href="mailto:gcc@gcc.gnu.org">gcc@gcc.gnu.org</a> telling us how the information should be changed.
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| 124 |
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| 125 | <p>If you find a bug, please report it following our
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| 126 | <a href="../bugs.html">bug reporting guidelines</a>.
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| 127 |
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| 128 | <p>If you want to print the GCC manuals, do <code>cd </code><var>objdir</var><code>; make
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| 129 | dvi</code>. You will need to have <code>texi2dvi</code> (version at least 4.2)
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| 130 | and TeX installed. This creates a number of <code>.dvi</code> files in
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| 131 | subdirectories of <code></code><var>objdir</var><code></code>; these may be converted for
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| 132 | printing with programs such as <code>dvips</code>. You can also
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| 133 | <a href="http://www.gnu.org/order/order.html">buy printed manuals from the Free Software Foundation</a>, though such manuals may not be for the most
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| 134 | recent version of GCC.
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| 135 |
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| 136 | <hr />
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| 137 | <p>
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| 138 | <a href="./index.html">Return to the GCC Installation page</a>
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| 139 |
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| 140 | </body></html>
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| 141 |
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