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| author | Duncan Sands <baldrick@free.fr> | 2008-02-14 17:53:22 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2008-02-14 17:53:22 +0000 |
| commit | 8655b151377bac396302af7646797c0db4ee4627 (patch) | |
| tree | c8b274fad140179333fa75c19be54d24dcec9374 /docs/CFEBuildInstrs.html | |
| parent | 00fee65fd21f9615d1a604b8b7d42cd16a3f6b47 (diff) | |
| download | external_llvm-8655b151377bac396302af7646797c0db4ee4627.zip external_llvm-8655b151377bac396302af7646797c0db4ee4627.tar.gz external_llvm-8655b151377bac396302af7646797c0db4ee4627.tar.bz2 | |
Rename CFEBuildInstrs.html to GCCFEBuildInstrs.html.
Update all references to it and place a redirection
page at the old address.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47124 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CFEBuildInstrs.html')
| -rw-r--r-- | docs/CFEBuildInstrs.html | 258 |
1 files changed, 3 insertions, 255 deletions
diff --git a/docs/CFEBuildInstrs.html b/docs/CFEBuildInstrs.html index c953409..8cdb197 100644 --- a/docs/CFEBuildInstrs.html +++ b/docs/CFEBuildInstrs.html @@ -5,263 +5,11 @@ <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" href="llvm.css" type="text/css" media="screen"> <title>Building the LLVM C/C++ Front-End</title> + <meta HTTP-EQUIV="REFRESH" CONTENT="3; URL=GCCFEBuildInstrs.html"> </head> <body> - <div class="doc_title"> - Building the LLVM GCC Front-End -</div> - -<ol> - <li><a href="#instructions">Building llvm-gcc from Source</a></li> - <li><a href="#license">License Information</a></li> -</ol> - -<div class="doc_author"> - <p>Written by the LLVM Team</p> -</div> - -<!-- *********************************************************************** --> -<div class="doc_section"> - <a name="instructions">Building llvm-gcc from Source</a> -</div> -<!-- *********************************************************************** --> - -<div class="doc_text"> - -<p>This section describes how to acquire and build llvm-gcc 4.0 and 4.2, which are -based on the GCC 4.0.1/4.2.1 front-ends respectively. Both front-ends support C, -C++, Objective-C and Objective-C++. The 4.2 front-end also supports Ada and -Fortran to some extent. Note that the instructions for building these front-ends -are completely different (and much easier!) than those for building llvm-gcc3 in -the past.</p> - -<ol> - <li><p>Retrieve the appropriate llvm-gcc4.x-y.z.source.tar.gz archive from the - <a href="http://llvm.org/releases/">llvm web site</a>.</p> - - <p>It is also possible to download the sources of the llvm-gcc front end - from a read-only mirror using subversion. To check out the 4.0 code - for first time use:</p> - -<div class="doc_code"> -<pre> -svn co http://llvm.org/svn/llvm-project/llvm-gcc-4.0/trunk <i>dst-directory</i> -</pre> -</div> - -<p>To check out the 4.2 code use:</p> - -<div class="doc_code"> -<pre> -svn co http://llvm.org/svn/llvm-project/llvm-gcc-4.2/trunk <i>dst-directory</i> -</pre> -</div> - - <p>After that, the code can be be updated in the destination directory - using:</p> - -<div class="doc_code"> -<pre>svn update</pre> -</div> - - <p>The mirror is brought up to date every evening.</p></li> - - <li>Follow the directions in the top-level <tt>README.LLVM</tt> file for - up-to-date instructions on how to build llvm-gcc. See below for building - with support for Ada or Fortran. -</ol> - -</div> - -<!-- *********************************************************************** --> -<div class="doc_section"> - <a name="license">Building the Ada front-end</a> -</div> - -<div class="doc_text"> -<p>Building with support for Ada amounts to following the directions in the -top-level <tt>README.LLVM</tt> file, adding ",ada" to EXTRALANGS, for example: -<tt>EXTRALANGS=,ada</tt></p> - -<p>There are some complications however:</p> - -<ol> - <li><p>The only platform for which the Ada front-end is known to build is - 32 bit intel x86 running linux. It is unlikely to build for other - systems without some work.</p></li> - <li><p>The build requires having a compiler that supports Ada, C and C++. - The Ada front-end is written in Ada so an Ada compiler is needed to - build it. What is more, the Ada compiler must not be more recent - than what it is trying to compile, otherwise the build will fail. - This rules out gcc-4.3 (but not gcc-4.2) and also the - <a href="http://libre.adacore.com/">2007 GNAT GPL Edition</a>. - The LLVM parts of llvm-gcc are written in C++ so a C++ - compiler is needed to build them. The rest of gcc is written in C. - Some linux distributions provide a version of gcc that supports all - three languages (the Ada part often comes as an add-on package to - the rest of gcc). Otherwise it is possible to combine two versions - of gcc, one that supports Ada and C (such as the - <a href="http://libre.adacore.com/">2006 GNAT GPL Edition</a>) - and another which supports C++, see below.</p></li> - <li><p>Because the Ada front-end is experimental, it is wise to build the - compiler with checking enabled. This causes it to run slower, but - helps catch mistakes in the compiler (please report any problems using - <a href="http://llvm.org/bugs">LLVM bugzilla</a>).</p></li> -</ol> - -<p>Supposing appropriate compilers are available, llvm-gcc with Ada support can - be built on an x86-32 linux box using the following recipe:</p> - -<ol> - <li><p>Download the <a href="http://llvm.org/releases/download.html">LLVM source</a> - and unpack it:</p> - -<div class="doc_code"> -<pre>wget http://llvm.org/releases/2.2/llvm-2.2.tar.gz -tar xzf llvm-2.2.tar.gz -mv llvm-2.2 llvm</pre> -</div> - - <p>or <a href="http://llvm.org/docs/GettingStarted.html#checkout">check out the - latest version from subversion</a>:</p> - -<div class="doc_code"> -<pre>svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm</pre> -</div> - </li> - - <li><p>Download the - <a href="http://llvm.org/releases/download.html">llvm-gcc-4.2 source</a> - and unpack it:</p> - -<div class="doc_code"> -<pre>wget http://llvm.org/releases/2.2/llvm-gcc4.2-2.2.source.tar.gz -tar xzf llvm-gcc4.2-2.2.source.tar.gz -mv llvm-gcc4.2-2.2.source llvm-gcc-4.2</pre> -</div> - - <p>or <a href="http://llvm.org/docs/GettingStarted.html#checkout">check out the - latest version from subversion</a>:</p> - -<div class="doc_code"> -<pre>svn co http://llvm.org/svn/llvm-project/llvm-gcc-4.2/trunk llvm-gcc-4.2</pre> -</div> - </li> - - <li><p>Make a build directory <tt>llvm-objects</tt> for llvm and make it the - current directory:</p> - -<div class="doc_code"> -<pre>mkdir llvm-objects -cd llvm-objects</pre> -</div> - </li> - - <li><p>Configure LLVM (here it is configured to install into <tt>/usr/local</tt>):</p> - -<div class="doc_code"> -<pre>../llvm/configure --prefix=<b>/usr/local</b></pre> -</div> - - <p>If you have a multi-compiler setup and the C++ compiler is not the - default, then you can configure like this:</p> - -<div class="doc_code"> -<pre>CXX=<b>PATH_TO_C++_COMPILER</b> ../llvm/configure --prefix=<b>/usr/local</b></pre> -</div> - </li> - - <li><p>Build LLVM with checking enabled (use <tt>ENABLE_OPTIMIZED=1</tt> to - build without checking):</p> - -<div class="doc_code"> -<pre>make ENABLE_OPTIMIZED=0</pre> -</div> - </li> - - <li><p>Install LLVM (optional):</p> - -<div class="doc_code"> -<pre>make install</pre> -</div> - </li> - - <li><p>Make a build directory <tt>llvm-gcc-4.2-objects</tt> for llvm-gcc and make it the - current directory:</p> - -<div class="doc_code"> -<pre> -cd .. -mkdir llvm-gcc-4.2-objects -cd llvm-gcc-4.2-objects</pre> -</div> - </li> - - <li><p>Configure llvm-gcc (here it is configured to install into <tt>/usr/local</tt>). - The <tt>--enable-checking</tt> flag turns on sanity checks inside the compiler. - If you omit it then LLVM must be built with <tt>make ENABLE_OPTIMIZED=1</tt>. - Additional languages can be appended to the --enable-languages switch, - for example <tt>--enable-languages=ada,c,c++</tt>.</p> - -<div class="doc_code"> -<pre>../llvm-gcc-4.2/configure --prefix=<b>/usr/local</b> --enable-languages=ada,c --enable-checking --enable-llvm=$PWD/../llvm-objects --disable-shared --disable-bootstrap --disable-multilib</pre> -</div> - - <p>If you have a multi-compiler setup, then you can configure like this:</p> -<div class="doc_code"> - -<pre> -export CC=<b>PATH_TO_C_AND_ADA_COMPILER</b> -export CXX=<b>PATH_TO_C++_COMPILER</b> -../llvm-gcc-4.2/configure --prefix=<b>/usr/local</b> --enable-languages=ada,c --enable-checking --enable-llvm=$PWD/../llvm-objects --disable-shared --disable-bootstrap --disable-multilib</pre> -</div> - </li> - - <li><p>Build and install the compiler:</p> - -<div class="doc_code"> -<pre>make -make install</pre> -</div> - </li> -</ol> - -</div> - -<!-- *********************************************************************** --> -<div class="doc_section"> - <a name="license">Building the Fortran front-end</a> -</div> - -<div class="doc_text"> -<p> -To build with support for Fortran, follow the directions in the top-level -<tt>README.LLVM</tt> file, adding ",fortran" to EXTRALANGS, for example:</p> - -<div class="doc_code"> -<pre> -EXTRALANGS=,fortran -</pre> -</div> - -</div> - -<!-- *********************************************************************** --> -<div class="doc_section"> - <a name="license">License Information</a> -</div> - -<div class="doc_text"> -<p> -The LLVM GCC frontend is licensed to you under the GNU General Public License -and the GNU Lesser General Public License. Please see the files COPYING and -COPYING.LIB for more details. -</p> - -<p> -More information is <a href="FAQ.html#license">available in the FAQ</a>. -</p> +This page has moved <a href="GCCFEBuildInstrs.html">here</A>. </div> <!-- *********************************************************************** --> @@ -274,7 +22,7 @@ More information is <a href="FAQ.html#license">available in the FAQ</a>. src="http://www.w3.org/Icons/valid-html401" alt="Valid HTML 4.01!"></a> <a href="http://llvm.org">LLVM Compiler Infrastructure</a><br> - Last modified: $Date$ + Last modified: $Date: 2008-02-13 17:46:10 +0100 (Wed, 13 Feb 2008) $ </address> </body> |