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-<html>
- <head>
- <title>OpenJDK Build README</title>
- </head>
- <body>
-<p><img src="http://openjdk.java.net/images/openjdk.png" alt="OpenJDK" title="" /></p>
-
-<h1>OpenJDK Build README</h1>
-
-<hr />
-
-<p><a name="introduction"></a></p>
-
-<h2>Introduction</h2>
-
-<p>This README file contains build instructions for the
-<a href="http://openjdk.java.net">OpenJDK</a>. Building the source code for the OpenJDK
-requires a certain degree of technical expertise.</p>
-
-<h3>!!!!!!!!!!!!!!! THIS IS A MAJOR RE-WRITE of this document. !!!!!!!!!!!!!</h3>
-
-<p>Some Headlines:</p>
-
-<ul>
-<li>The build is now a "<code>configure && make</code>" style build</li>
-<li>Any GNU make 3.81 or newer should work, except on Windows where 4.0 or newer
-is recommended.</li>
-<li>The build should scale, i.e. more processors should cause the build to be
-done in less wall-clock time</li>
-<li>Nested or recursive make invocations have been significantly reduced,
-as has the total fork/exec or spawning of sub processes during the build</li>
-<li>Windows MKS usage is no longer supported</li>
-<li>Windows Visual Studio <code>vsvars*.bat</code> and <code>vcvars*.bat</code> files are run
-automatically</li>
-<li>Ant is no longer used when building the OpenJDK</li>
-<li>Use of ALT_* environment variables for configuring the build is no longer
-supported</li>
-</ul>
-
-<hr />
-
-<h2>Contents</h2>
-
-<ul>
-<li><a href="#introduction">Introduction</a></li>
-<li><a href="#hg">Use of Mercurial</a>
-<ul>
-<li><a href="#get_source">Getting the Source</a></li>
-<li><a href="#repositories">Repositories</a></li>
-</ul></li>
-<li><a href="#building">Building</a>
-<ul>
-<li><a href="#setup">System Setup</a>
-<ul>
-<li><a href="#linux">Linux</a></li>
-<li><a href="#solaris">Solaris</a></li>
-<li><a href="#macosx">Mac OS X</a></li>
-<li><a href="#windows">Windows</a></li>
-</ul></li>
-<li><a href="#configure">Configure</a></li>
-<li><a href="#make">Make</a></li>
-</ul></li>
-<li><a href="#testing">Testing</a></li>
-</ul>
-
-<hr />
-
-<ul>
-<li><a href="#hints">Appendix A: Hints and Tips</a>
-<ul>
-<li><a href="#faq">FAQ</a></li>
-<li><a href="#performance">Build Performance Tips</a></li>
-<li><a href="#troubleshooting">Troubleshooting</a></li>
-</ul></li>
-<li><a href="#gmake">Appendix B: GNU Make Information</a></li>
-<li><a href="#buildenvironments">Appendix C: Build Environments</a></li>
-</ul>
-
-<hr />
-
-<p><a name="hg"></a></p>
-
-<h2>Use of Mercurial</h2>
-
-<p>The OpenJDK sources are maintained with the revision control system
-<a href="http://mercurial.selenic.com/wiki/Mercurial">Mercurial</a>. If you are new to
-Mercurial, please see the <a href="http://mercurial.selenic.com/wiki/
-BeginnersGuides">Beginner Guides</a> or refer to the <a href="http://hgbook.red-bean.com/">Mercurial Book</a>.
-The first few chapters of the book provide an excellent overview of Mercurial,
-what it is and how it works.</p>
-
-<p>For using Mercurial with the OpenJDK refer to the <a href="http://openjdk.java.net/guide/
-repositories.html#installConfig">Developer Guide: Installing
-and Configuring Mercurial</a> section for more information.</p>
-
-<p><a name="get_source"></a></p>
-
-<h3>Getting the Source</h3>
-
-<p>To get the entire set of OpenJDK Mercurial repositories use the script
-<code>get_source.sh</code> located in the root repository:</p>
-
-<pre><code> hg clone http://hg.openjdk.java.net/jdk9/jdk9 YourOpenJDK
- cd YourOpenJDK
- bash ./get_source.sh
-</code></pre>
-
-<p>Once you have all the repositories, keep in mind that each repository is its
-own independent repository. You can also re-run <code>./get_source.sh</code> anytime to
-pull over all the latest changesets in all the repositories. This set of
-nested repositories has been given the term "forest" and there are various
-ways to apply the same <code>hg</code> command to each of the repositories. For
-example, the script <code>make/scripts/hgforest.sh</code> can be used to repeat the
-same <code>hg</code> command on every repository, e.g.</p>
-
-<pre><code> cd YourOpenJDK
- bash ./make/scripts/hgforest.sh status
-</code></pre>
-
-<p><a name="repositories"></a></p>
-
-<h3>Repositories</h3>
-
-<p>The set of repositories and what they contain:</p>
-
-<ul>
-<li><strong>. (root)</strong> contains common configure and makefile logic</li>
-<li><strong>hotspot</strong> contains source code and make files for building the OpenJDK
-Hotspot Virtual Machine</li>
-<li><strong>langtools</strong> contains source code for the OpenJDK javac and language tools</li>
-<li><strong>jdk</strong> contains source code and make files for building the OpenJDK runtime
-libraries and misc files</li>
-<li><strong>jaxp</strong> contains source code for the OpenJDK JAXP functionality</li>
-<li><strong>jaxws</strong> contains source code for the OpenJDK JAX-WS functionality</li>
-<li><strong>corba</strong> contains source code for the OpenJDK Corba functionality</li>
-<li><strong>nashorn</strong> contains source code for the OpenJDK JavaScript implementation</li>
-</ul>
-
-<h3>Repository Source Guidelines</h3>
-
-<p>There are some very basic guidelines:</p>
-
-<ul>
-<li>Use of whitespace in source files (.java, .c, .h, .cpp, and .hpp files) is
-restricted. No TABs, no trailing whitespace on lines, and files should not
-terminate in more than one blank line.</li>
-<li>Files with execute permissions should not be added to the source
-repositories.</li>
-<li>All generated files need to be kept isolated from the files maintained or
-managed by the source control system. The standard area for generated files
-is the top level <code>build/</code> directory.</li>
-<li>The default build process should be to build the product and nothing else,
-in one form, e.g. a product (optimized), debug (non-optimized, -g plus
-assert logic), or fastdebug (optimized, -g plus assert logic).</li>
-<li>The <code>.hgignore</code> file in each repository must exist and should include
-<code>^build/</code>, <code>^dist/</code> and optionally any <code>nbproject/private</code> directories. <strong>It
-should NEVER</strong> include anything in the <code>src/</code> or <code>test/</code> or any managed
-directory area of a repository.</li>
-<li>Directory names and file names should never contain blanks or non-printing
-characters.</li>
-<li>Generated source or binary files should NEVER be added to the repository
-(that includes <code>javah</code> output). There are some exceptions to this rule, in
-particular with some of the generated configure scripts.</li>
-<li>Files not needed for typical building or testing of the repository should
-not be added to the repository.</li>
-</ul>
-
-<hr />
-
-<p><a name="building"></a></p>
-
-<h2>Building</h2>
-
-<p>The very first step in building the OpenJDK is making sure the system itself
-has everything it needs to do OpenJDK builds. Once a system is setup, it
-generally doesn't need to be done again.</p>
-
-<p>Building the OpenJDK is now done with running a <code>configure</code> script which will
-try and find and verify you have everything you need, followed by running
-<code>make</code>, e.g.</p>
-
-<blockquote>
- <p><strong><code>bash ./configure</code></strong> <br />
- <strong><code>make all</code></strong></p>
-</blockquote>
-
-<p>Where possible the <code>configure</code> script will attempt to located the various
-components in the default locations or via component specific variable
-settings. When the normal defaults fail or components cannot be found,
-additional <code>configure</code> options may be necessary to help <code>configure</code> find the
-necessary tools for the build, or you may need to re-visit the setup of your
-system due to missing software packages.</p>
-
-<p><strong>NOTE:</strong> The <code>configure</code> script file does not have execute permissions and
-will need to be explicitly run with <code>bash</code>, see the source guidelines.</p>
-
-<hr />
-
-<p><a name="setup"></a></p>
-
-<h3>System Setup</h3>
-
-<p>Before even attempting to use a system to build the OpenJDK there are some very
-basic system setups needed. For all systems:</p>
-
-<ul>
-<li><p>Be sure the GNU make utility is version 3.81 (4.0 on windows) or newer, e.g.
-run "<code>make -version</code>"</p>
-
-<p><a name="bootjdk"></a></p></li>
-<li><p>Install a Bootstrap JDK. All OpenJDK builds require access to a previously
-released JDK called the <em>bootstrap JDK</em> or <em>boot JDK.</em> The general rule is
-that the bootstrap JDK must be an instance of the previous major release of
-the JDK. In addition, there may be a requirement to use a release at or
-beyond a particular update level.</p>
-
-<p><strong><em>Building JDK 9 requires JDK 8. JDK 9 developers should not use JDK 9 as
-the boot JDK, to ensure that JDK 9 dependencies are not introduced into the
-parts of the system that are built with JDK 8.</em></strong></p>
-
-<p>The JDK 8 binaries can be downloaded from Oracle's <a href="http://www.oracle.com/technetwork/java/javase/downloads/index.html">JDK 8 download
-site</a>.
-For build performance reasons it is very important that this bootstrap JDK
-be made available on the local disk of the machine doing the build. You
-should add its <code>bin</code> directory to the <code>PATH</code> environment variable. If
-<code>configure</code> has any issues finding this JDK, you may need to use the
-<code>configure</code> option <code>--with-boot-jdk</code>.</p></li>
-<li><p>Ensure that GNU make, the Bootstrap JDK, and the compilers are all in your
-PATH environment variable.</p></li>
-</ul>
-
-<p>And for specific systems:</p>
-
-<ul>
-<li><p><strong>Linux</strong></p>
-
-<p>Install all the software development packages needed including
-<a href="#alsa">alsa</a>, <a href="#freetype">freetype</a>, <a href="#cups">cups</a>, and
-<a href="#xrender">xrender</a>. See <a href="#SDBE">specific system packages</a>.</p></li>
-<li><p><strong>Solaris</strong></p>
-
-<p>Install all the software development packages needed including <a href="#studio">Studio
-Compilers</a>, <a href="#freetype">freetype</a>, <a href="#cups">cups</a>, and
-<a href="#xrender">xrender</a>. See <a href="#SDBE">specific system packages</a>.</p></li>
-<li><p><strong>Windows</strong></p>
-
-<ul>
-<li>Install one of <a href="#cygwin">CYGWIN</a> or <a href="#msys">MinGW/MSYS</a></li>
-<li>Install <a href="#vs2013">Visual Studio 2013</a></li>
-</ul></li>
-<li><p><strong>Mac OS X</strong></p>
-
-<p>Install <a href="https://developer.apple.com/xcode/">XCode 6.3</a></p></li>
-</ul>
-
-<p><a name="linux"></a></p>
-
-<h4>Linux</h4>
-
-<p>With Linux, try and favor the system packages over building your own or getting
-packages from other areas. Most Linux builds should be possible with the
-system's available packages.</p>
-
-<p>Note that some Linux systems have a habit of pre-populating your environment
-variables for you, for example <code>JAVA_HOME</code> might get pre-defined for you to
-refer to the JDK installed on your Linux system. You will need to unset
-<code>JAVA_HOME</code>. It's a good idea to run <code>env</code> and verify the environment variables
-you are getting from the default system settings make sense for building the
-OpenJDK.</p>
-
-<p><a name="solaris"></a></p>
-
-<h4>Solaris</h4>
-
-<p><a name="studio"></a></p>
-
-<h5>Studio Compilers</h5>
-
-<p>At a minimum, the <a href="http://www.oracle.com/
-technetwork/server-storage/solarisstudio/downloads/index.htm">Studio 12 Update 4 Compilers</a> (containing
-version 5.13 of the C and C++ compilers) is required, including specific
-patches.</p>
-
-<p>The Solaris Studio installation should contain at least these packages:</p>
-
-<blockquote>
- <p><table border="1">
- <thead>
- <tr>
- <td><strong>Package</strong></td>
- <td><strong>Version</strong></td>
- </tr>
- </thead>
- <tbody>
- <tr>
- <td>developer/solarisstudio-124/backend</td>
- <td>12.4-1.0.6.0</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/c++</td>
- <td>12.4-1.0.10.0</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/cc</td>
- <td>12.4-1.0.4.0</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/library/c++-libs</td>
- <td>12.4-1.0.10.0</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/library/math-libs</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/library/studio-gccrt</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/studio-common</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/studio-ja</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/studio-legal</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- <tr>
- <td>developer/solarisstudio-124/studio-zhCN</td>
- <td>12.4-1.0.0.1</td>
- </tr>
- </tbody>
- </table></p>
-</blockquote>
-
-<p>In particular backend 12.4-1.0.6.0 contains a critical patch for the sparc
-version.</p>
-
-<p>Place the <code>bin</code> directory in <code>PATH</code>.</p>
-
-<p>The Oracle Solaris Studio Express compilers at: <a href="http://www.oracle.com/technetwork/server-storage/solarisstudio/
-downloads/index-jsp-142582.html">Oracle Solaris Studio Express
-Download site</a> are also an option, although these compilers
-have not been extensively used yet.</p>
-
-<p><a name="windows"></a></p>
-
-<h4>Windows</h4>
-
-<h5>Windows Unix Toolkit</h5>
-
-<p>Building on Windows requires a Unix-like environment, notably a Unix-like
-shell. There are several such environments available of which
-<a href="http://www.cygwin.com/">Cygwin</a> and
-<a href="http://www.mingw.org/wiki/MSYS">MinGW/MSYS</a> are currently supported for the
-OpenJDK build. One of the differences of these systems from standard Windows
-tools is the way they handle Windows path names, particularly path names which
-contain spaces, backslashes as path separators and possibly drive letters.
-Depending on the use case and the specifics of each environment these path
-problems can be solved by a combination of quoting whole paths, translating
-backslashes to forward slashes, escaping backslashes with additional
-backslashes and translating the path names to their <a href="http://en.wikipedia.org/wiki/8.3_filename">"8.3"
-version</a>.</p>
-
-<p><a name="cygwin"></a></p>
-
-<h6>CYGWIN</h6>
-
-<p>CYGWIN is an open source, Linux-like environment which tries to emulate a
-complete POSIX layer on Windows. It tries to be smart about path names and can
-usually handle all kinds of paths if they are correctly quoted or escaped
-although internally it maps drive letters <code><drive>:</code> to a virtual directory
-<code>/cygdrive/<drive></code>.</p>
-
-<p>You can always use the <code>cygpath</code> utility to map pathnames with spaces or the
-backslash character into the <code>C:/</code> style of pathname (called 'mixed'), e.g.
-<code>cygpath -s -m "<path>"</code>.</p>
-
-<p>Note that the use of CYGWIN creates a unique problem with regards to setting
-<a href="#path"><code>PATH</code></a>. Normally on Windows the <code>PATH</code> variable contains directories
-separated with the ";" character (Solaris and Linux use ":"). With CYGWIN, it
-uses ":", but that means that paths like "C:/path" cannot be placed in the
-CYGWIN version of <code>PATH</code> and instead CYGWIN uses something like
-<code>/cygdrive/c/path</code> which CYGWIN understands, but only CYGWIN understands.</p>
-
-<p>The OpenJDK build requires CYGWIN version 1.7.16 or newer. Information about
-CYGWIN can be obtained from the CYGWIN website at
-<a href="http://www.cygwin.com">www.cygwin.com</a>.</p>
-
-<p>By default CYGWIN doesn't install all the tools required for building the
-OpenJDK. Along with the default installation, you need to install the following
-tools.</p>
-
-<blockquote>
- <p><table border="1">
- <thead>
- <tr>
- <td>Binary Name</td>
- <td>Category</td>
- <td>Package</td>
- <td>Description</td>
- </tr>
- </thead>
- <tbody>
- <tr>
- <td>ar.exe</td>
- <td>Devel</td>
- <td>binutils</td>
- <td>The GNU assembler, linker and binary utilities</td>
- </tr>
- <tr>
- <td>make.exe</td>
- <td>Devel</td>
- <td>make</td>
- <td>The GNU version of the 'make' utility built for CYGWIN</td>
- </tr>
- <tr>
- <td>m4.exe</td>
- <td>Interpreters</td>
- <td>m4</td>
- <td>GNU implementation of the traditional Unix macro processor</td>
- </tr>
- <tr>
- <td>cpio.exe</td>
- <td>Utils</td>
- <td>cpio</td>
- <td>A program to manage archives of files</td>
- </tr>
- <tr>
- <td>gawk.exe</td>
- <td>Utils</td>
- <td>awk</td>
- <td>Pattern-directed scanning and processing language</td>
- </tr>
- <tr>
- <td>file.exe</td>
- <td>Utils</td>
- <td>file</td>
- <td>Determines file type using 'magic' numbers</td>
- </tr>
- <tr>
- <td>zip.exe</td>
- <td>Archive</td>
- <td>zip</td>
- <td>Package and compress (archive) files</td>
- </tr>
- <tr>
- <td>unzip.exe</td>
- <td>Archive</td>
- <td>unzip</td>
- <td>Extract compressed files in a ZIP archive</td>
- </tr>
- <tr>
- <td>free.exe</td>
- <td>System</td>
- <td>procps</td>
- <td>Display amount of free and used memory in the system</td>
- </tr>
- </tbody>
- </table></p>
-</blockquote>
-
-<p>Note that the CYGWIN software can conflict with other non-CYGWIN software on
-your Windows system. CYGWIN provides a <a href="http://cygwin.com/faq/
-faq.using.html">FAQ</a> for known issues and problems, of particular interest is the
-section on <a href="http://cygwin.com/faq/faq.using.html#faq.using.bloda">BLODA (applications that interfere with
-CYGWIN)</a>.</p>
-
-<p><a name="msys"></a></p>
-
-<h6>MinGW/MSYS</h6>
-
-<p>MinGW ("Minimalist GNU for Windows") is a collection of free Windows specific
-header files and import libraries combined with GNU toolsets that allow one to
-produce native Windows programs that do not rely on any 3rd-party C runtime
-DLLs. MSYS is a supplement to MinGW which allows building applications and
-programs which rely on traditional UNIX tools to be present. Among others this
-includes tools like <code>bash</code> and <code>make</code>. See <a href="http://www.mingw.org/
-wiki/MSYS">MinGW/MSYS</a> for more information.</p>
-
-<p>Like Cygwin, MinGW/MSYS can handle different types of path formats. They are
-internally converted to paths with forward slashes and drive letters
-<code><drive>:</code> replaced by a virtual directory <code>/<drive></code>. Additionally, MSYS
-automatically detects binaries compiled for the MSYS environment and feeds them
-with the internal, Unix-style path names. If native Windows applications are
-called from within MSYS programs their path arguments are automatically
-converted back to Windows style path names with drive letters and backslashes
-as path separators. This may cause problems for Windows applications which use
-forward slashes as parameter separator (e.g. <code>cl /nologo /I</code>) because MSYS may
-wrongly <a href="http://mingw.org/wiki/
-Posix_path_conversion">replace such parameters by drive letters</a>.</p>
-
-<p>In addition to the tools which will be installed by default, you have to
-manually install the <code>msys-zip</code> and <code>msys-unzip</code> packages. This can be easily
-done with the MinGW command line installer:</p>
-
-<pre><code> mingw-get.exe install msys-zip
- mingw-get.exe install msys-unzip
-</code></pre>
-
-<p><a name="vs2013"></a></p>
-
-<h5>Visual Studio 2013 Compilers</h5>
-
-<p>The 32-bit and 64-bit OpenJDK Windows build requires Microsoft Visual Studio
-C++ 2013 (VS2013) Professional Edition or Express compiler. The compiler and
-other tools are expected to reside in the location defined by the variable
-<code>VS120COMNTOOLS</code> which is set by the Microsoft Visual Studio installer.</p>
-
-<p>Only the C++ part of VS2013 is needed. Try to let the installation go to the
-default install directory. Always reboot your system after installing VS2013.
-The system environment variable VS120COMNTOOLS should be set in your
-environment.</p>
-
-<p>Make sure that TMP and TEMP are also set in the environment and refer to
-Windows paths that exist, like <code>C:\temp</code>, not <code>/tmp</code>, not <code>/cygdrive/c/temp</code>,
-and not <code>C:/temp</code>. <code>C:\temp</code> is just an example, it is assumed that this area
-is private to the user, so by default after installs you should see a unique
-user path in these variables.</p>
-
-<p><a name="macosx"></a></p>
-
-<h4>Mac OS X</h4>
-
-<p>Make sure you get the right XCode version.</p>
-
-<hr />
-
-<p><a name="configure"></a></p>
-
-<h3>Configure</h3>
-
-<p>The basic invocation of the <code>configure</code> script looks like:</p>
-
-<blockquote>
- <p><strong><code>bash ./configure [options]</code></strong></p>
-</blockquote>
-
-<p>This will create an output directory containing the "configuration" and setup
-an area for the build result. This directory typically looks like:</p>
-
-<blockquote>
- <p><strong><code>build/linux-x64-normal-server-release</code></strong></p>
-</blockquote>
-
-<p><code>configure</code> will try to figure out what system you are running on and where all
-necessary build components are. If you have all prerequisites for building
-installed, it should find everything. If it fails to detect any component
-automatically, it will exit and inform you about the problem. When this
-happens, read more below in <a href="#configureoptions">the <code>configure</code> options</a>.</p>
-
-<p>Some examples:</p>
-
-<blockquote>
- <p><strong>Windows 32bit build with freetype specified:</strong> <br />
- <code>bash ./configure --with-freetype=/cygdrive/c/freetype-i586 --with-target-
-bits=32</code></p>
-
-<p><strong>Debug 64bit Build:</strong> <br />
- <code>bash ./configure --enable-debug --with-target-bits=64</code></p>
-</blockquote>
-
-<p><a name="configureoptions"></a></p>
-
-<h4>Configure Options</h4>
-
-<p>Complete details on all the OpenJDK <code>configure</code> options can be seen with:</p>
-
-<blockquote>
- <p><strong><code>bash ./configure --help=short</code></strong></p>
-</blockquote>
-
-<p>Use <code>-help</code> to see all the <code>configure</code> options available. You can generate any
-number of different configurations, e.g. debug, release, 32, 64, etc.</p>
-
-<p>Some of the more commonly used <code>configure</code> options are:</p>
-
-<blockquote>
- <p><strong><code>--enable-debug</code></strong> <br />
- set the debug level to fastdebug (this is a shorthand for <code>--with-debug-
- level=fastdebug</code>)</p>
-</blockquote>
-
-<p><a name="alsa"></a></p>
-
-<blockquote>
- <p><strong><code>--with-alsa=</code></strong><em>path</em> <br />
- select the location of the Advanced Linux Sound Architecture (ALSA)</p>
-
-<p>Version 0.9.1 or newer of the ALSA files are required for building the
- OpenJDK on Linux. These Linux files are usually available from an "alsa" of
- "libasound" development package, and it's highly recommended that you try
- and use the package provided by the particular version of Linux that you are
- using.</p>
-
-<p><strong><code>--with-boot-jdk=</code></strong><em>path</em> <br />
- select the <a href="#bootjdk">Bootstrap JDK</a></p>
-
-<p><strong><code>--with-boot-jdk-jvmargs=</code></strong>"<em>args</em>" <br />
- provide the JVM options to be used to run the <a href="#bootjdk">Bootstrap JDK</a></p>
-
-<p><strong><code>--with-cacerts=</code></strong><em>path</em> <br />
- select the path to the cacerts file.</p>
-
-<p>See <a href="http://en.wikipedia.org/wiki/
- Certificate_Authority">Certificate Authority on Wikipedia</a> for a better understanding of the Certificate
- Authority (CA). A certificates file named "cacerts" represents a system-wide
- keystore with CA certificates. In JDK and JRE binary bundles, the "cacerts"
- file contains root CA certificates from several public CAs (e.g., VeriSign,
- Thawte, and Baltimore). The source contain a cacerts file without CA root
- certificates. Formal JDK builders will need to secure permission from each
- public CA and include the certificates into their own custom cacerts file.
- Failure to provide a populated cacerts file will result in verification
- errors of a certificate chain during runtime. By default an empty cacerts
- file is provided and that should be fine for most JDK developers.</p>
-</blockquote>
-
-<p><a name="cups"></a></p>
-
-<blockquote>
- <p><strong><code>--with-cups=</code></strong><em>path</em> <br />
- select the CUPS install location</p>
-
-<p>The Common UNIX Printing System (CUPS) Headers are required for building the
- OpenJDK on Solaris and Linux. The Solaris header files can be obtained by
- installing the package <strong>print/cups</strong>.</p>
-
-<p>The CUPS header files can always be downloaded from
- <a href="http://www.cups.org">www.cups.org</a>.</p>
-
-<p><strong><code>--with-cups-include=</code></strong><em>path</em> <br />
- select the CUPS include directory location</p>
-
-<p><strong><code>--with-debug-level=</code></strong><em>level</em> <br />
- select the debug information level of release, fastdebug, or slowdebug</p>
-
-<p><strong><code>--with-dev-kit=</code></strong><em>path</em> <br />
- select location of the compiler install or developer install location</p>
-</blockquote>
-
-<p><a name="freetype"></a></p>
-
-<blockquote>
- <p><strong><code>--with-freetype=</code></strong><em>path</em> <br />
- select the freetype files to use.</p>
-
-<p>Expecting the freetype libraries under <code>lib/</code> and the headers under
- <code>include/</code>.</p>
-
-<p>Version 2.3 or newer of FreeType is required. On Unix systems required files
- can be available as part of your distribution (while you still may need to
- upgrade them). Note that you need development version of package that
- includes both the FreeType library and header files.</p>
-
-<p>You can always download latest FreeType version from the <a href="http://www.freetype.org">FreeType
- website</a>. Building the freetype 2 libraries from
- scratch is also possible, however on Windows refer to the <a href="http://freetype.freedesktop.org/wiki/FreeType_DLL">Windows FreeType
- DLL build instructions</a>.</p>
-
-<p>Note that by default FreeType is built with byte code hinting support
- disabled due to licensing restrictions. In this case, text appearance and
- metrics are expected to differ from Sun's official JDK build. See the
- <a href="http://freetype.sourceforge.net/freetype2">SourceForge FreeType2 Home Page</a>
- for more information.</p>
-
-<p><strong><code>--with-import-hotspot=</code></strong><em>path</em> <br />
- select the location to find hotspot binaries from a previous build to avoid
- building hotspot</p>
-
-<p><strong><code>--with-target-bits=</code></strong><em>arg</em> <br />
- select 32 or 64 bit build</p>
-
-<p><strong><code>--with-jvm-variants=</code></strong><em>variants</em> <br />
- select the JVM variants to build from, comma separated list that can
- include: server, client, kernel, zero and zeroshark</p>
-
-<p><strong><code>--with-memory-size=</code></strong><em>size</em> <br />
- select the RAM size that GNU make will think this system has</p>
-
-<p><strong><code>--with-msvcr-dll=</code></strong><em>path</em> <br />
- select the <code>msvcr100.dll</code> file to include in the Windows builds (C/C++
- runtime library for Visual Studio).</p>
-
-<p>This is usually picked up automatically from the redist directories of
- Visual Studio 2013.</p>
-
-<p><strong><code>--with-num-cores=</code></strong><em>cores</em> <br />
- select the number of cores to use (processor count or CPU count)</p>
-</blockquote>
-
-<p><a name="xrender"></a></p>
-
-<blockquote>
- <p><strong><code>--with-x=</code></strong><em>path</em> <br />
- select the location of the X11 and xrender files.</p>
-
-<p>The XRender Extension Headers are required for building the OpenJDK on
- Solaris and Linux. The Linux header files are usually available from a
- "Xrender" development package, it's recommended that you try and use the
- package provided by the particular distribution of Linux that you are using.
- The Solaris XRender header files is included with the other X11 header files
- in the package <strong>SFWxwinc</strong> on new enough versions of Solaris and will be
- installed in <code>/usr/X11/include/X11/extensions/Xrender.h</code> or
- <code>/usr/openwin/share/include/X11/extensions/Xrender.h</code></p>
-</blockquote>
-
-<hr />
-
-<p><a name="make"></a></p>
-
-<h3>Make</h3>
-
-<p>The basic invocation of the <code>make</code> utility looks like:</p>
-
-<blockquote>
- <p><strong><code>make all</code></strong></p>
-</blockquote>
-
-<p>This will start the build to the output directory containing the
-"configuration" that was created by the <code>configure</code> script. Run <code>make help</code> for
-more information on the available targets.</p>
-
-<p>There are some of the make targets that are of general interest:</p>
-
-<blockquote>
- <p><em>empty</em> <br />
- build everything but no images</p>
-
-<p><strong><code>all</code></strong> <br />
- build everything including images</p>
-
-<p><strong><code>all-conf</code></strong> <br />
- build all configurations</p>
-
-<p><strong><code>images</code></strong> <br />
- create complete j2sdk and j2re images</p>
-
-<p><strong><code>install</code></strong> <br />
- install the generated images locally, typically in <code>/usr/local</code></p>
-
-<p><strong><code>clean</code></strong> <br />
- remove all files generated by make, but not those generated by <code>configure</code></p>
-
-<p><strong><code>dist-clean</code></strong> <br />
- remove all files generated by both and <code>configure</code> (basically killing the
- configuration)</p>
-
-<p><strong><code>help</code></strong> <br />
- give some help on using <code>make</code>, including some interesting make targets</p>
-</blockquote>
-
-<hr />
-
-<p><a name="testing"></a></p>
-
-<h2>Testing</h2>
-
-<p>When the build is completed, you should see the generated binaries and
-associated files in the <code>j2sdk-image</code> directory in the output directory. In
-particular, the <code>build/*/images/j2sdk-image/bin</code> directory should contain
-executables for the OpenJDK tools and utilities for that configuration. The
-testing tool <code>jtreg</code> will be needed and can be found at: <a href="http://openjdk.java.net/jtreg/">the jtreg
-site</a>. The provided regression tests in the
-repositories can be run with the command:</p>
-
-<blockquote>
- <p><strong><code>cd test && make PRODUCT_HOME=`pwd`/../build/*/images/j2sdk-image all</code></strong></p>
-</blockquote>
-
-<hr />
-
-<p><a name="hints"></a></p>
-
-<h2>Appendix A: Hints and Tips</h2>
-
-<p><a name="faq"></a></p>
-
-<h3>FAQ</h3>
-
-<p><strong>Q:</strong> The <code>generated-configure.sh</code> file looks horrible! How are you going to
-edit it? <br />
-<strong>A:</strong> The <code>generated-configure.sh</code> file is generated (think "compiled") by the
-autoconf tools. The source code is in <code>configure.ac</code> and various .m4 files in
-common/autoconf, which are much more readable.</p>
-
-<p><strong>Q:</strong> Why is the <code>generated-configure.sh</code> file checked in, if it is
-generated? <br />
-<strong>A:</strong> If it was not generated, every user would need to have the autoconf
-tools installed, and re-generate the <code>configure</code> file as the first step. Our
-goal is to minimize the work needed to be done by the user to start building
-OpenJDK, and to minimize the number of external dependencies required.</p>
-
-<p><strong>Q:</strong> Do you require a specific version of autoconf for regenerating
-<code>generated-configure.sh</code>? <br />
-<strong>A:</strong> Yes, version 2.69 is required and should be easy enough to aquire on all
-supported operating systems. The reason for this is to avoid large spurious
-changes in <code>generated-configure.sh</code>.</p>
-
-<p><strong>Q:</strong> How do you regenerate <code>generated-configure.sh</code> after making changes to
-the input files? <br />
-<strong>A:</strong> Regnerating <code>generated-configure.sh</code> should always be done using the
-script <code>common/autoconf/autogen.sh</code> to ensure that the correct files get
-updated. This script should also be run after mercurial tries to merge
-<code>generated-configure.sh</code> as a merge of the generated file is not guaranteed to
-be correct.</p>
-
-<p><strong>Q:</strong> What are the files in <code>common/makefiles/support/*</code> for? They look like
-gibberish. <br />
-<strong>A:</strong> They are a somewhat ugly hack to compensate for command line length
-limitations on certain platforms (Windows, Solaris). Due to a combination of
-limitations in make and the shell, command lines containing too many files will
-not work properly. These helper files are part of an elaborate hack that will
-compress the command line in the makefile and then uncompress it safely. We're
-not proud of it, but it does fix the problem. If you have any better
-suggestions, we're all ears! :-)</p>
-
-<p><strong>Q:</strong> I want to see the output of the commands that make runs, like in the old
-build. How do I do that? <br />
-<strong>A:</strong> You specify the <code>LOG</code> variable to make. There are several log levels:</p>
-
-<ul>
-<li><strong><code>warn</code></strong> -- Default and very quiet.</li>
-<li><strong><code>info</code></strong> -- Shows more progress information than warn.</li>
-<li><strong><code>debug</code></strong> -- Echos all command lines and prints all macro calls for
-compilation definitions.</li>
-<li><strong><code>trace</code></strong> -- Echos all $(shell) command lines as well.</li>
-</ul>
-
-<p><strong>Q:</strong> When do I have to re-run <code>configure</code>? <br />
-<strong>A:</strong> Normally you will run <code>configure</code> only once for creating a
-configuration. You need to re-run configuration only if you want to change any
-configuration options, or if you pull down changes to the <code>configure</code> script.</p>
-
-<p><strong>Q:</strong> I have added a new source file. Do I need to modify the makefiles? <br />
-<strong>A:</strong> Normally, no. If you want to create e.g. a new native library, you will
-need to modify the makefiles. But for normal file additions or removals, no
-changes are needed. There are certan exceptions for some native libraries where
-the source files are spread over many directories which also contain sources
-for other libraries. In these cases it was simply easier to create include
-lists rather than excludes.</p>
-
-<p><strong>Q:</strong> When I run <code>configure --help</code>, I see many strange options, like
-<code>--dvidir</code>. What is this? <br />
-<strong>A:</strong> Configure provides a slew of options by default, to all projects that
-use autoconf. Most of them are not used in OpenJDK, so you can safely ignore
-them. To list only OpenJDK specific features, use <code>configure --help=short</code>
-instead.</p>
-
-<p><strong>Q:</strong> <code>configure</code> provides OpenJDK-specific features such as <code>--with-
-builddeps-server</code> that are not described in this document. What about those? <br />
-<strong>A:</strong> Try them out if you like! But be aware that most of these are
-experimental features. Many of them don't do anything at all at the moment; the
-option is just a placeholder. Others depend on pieces of code or infrastructure
-that is currently not ready for prime time.</p>
-
-<p><strong>Q:</strong> How will you make sure you don't break anything? <br />
-<strong>A:</strong> We have a script that compares the result of the new build system with
-the result of the old. For most part, we aim for (and achieve) byte-by-byte
-identical output. There are however technical issues with e.g. native binaries,
-which might differ in a byte-by-byte comparison, even when building twice with
-the old build system. For these, we compare relevant aspects (e.g. the symbol
-table and file size). Note that we still don't have 100% equivalence, but we're
-close.</p>
-
-<p><strong>Q:</strong> I noticed this thing X in the build that looks very broken by design.
-Why don't you fix it? <br />
-<strong>A:</strong> Our goal is to produce a build output that is as close as technically
-possible to the old build output. If things were weird in the old build, they
-will be weird in the new build. Often, things were weird before due to
-obscurity, but in the new build system the weird stuff comes up to the surface.
-The plan is to attack these things at a later stage, after the new build system
-is established.</p>
-
-<p><strong>Q:</strong> The code in the new build system is not that well-structured. Will you
-fix this? <br />
-<strong>A:</strong> Yes! The new build system has grown bit by bit as we converted the old
-system. When all of the old build system is converted, we can take a step back
-and clean up the structure of the new build system. Some of this we plan to do
-before replacing the old build system and some will need to wait until after.</p>
-
-<p><strong>Q:</strong> Is anything able to use the results of the new build's default make
-target? <br />
-<strong>A:</strong> Yes, this is the minimal (or roughly minimal) set of compiled output
-needed for a developer to actually execute the newly built JDK. The idea is
-that in an incremental development fashion, when doing a normal make, you
-should only spend time recompiling what's changed (making it purely
-incremental) and only do the work that's needed to actually run and test your
-code. The packaging stuff that is part of the <code>images</code> target is not needed for
-a normal developer who wants to test his new code. Even if it's quite fast,
-it's still unnecessary. We're targeting sub-second incremental rebuilds! ;-)
-(Or, well, at least single-digit seconds...)</p>
-
-<p><strong>Q:</strong> I usually set a specific environment variable when building, but I can't
-find the equivalent in the new build. What should I do? <br />
-<strong>A:</strong> It might very well be that we have neglected to add support for an
-option that was actually used from outside the build system. Email us and we
-will add support for it!</p>
-
-<p><a name="performance"></a></p>
-
-<h3>Build Performance Tips</h3>
-
-<p>Building OpenJDK requires a lot of horsepower. Some of the build tools can be
-adjusted to utilize more or less of resources such as parallel threads and
-memory. The <code>configure</code> script analyzes your system and selects reasonable
-values for such options based on your hardware. If you encounter resource
-problems, such as out of memory conditions, you can modify the detected values
-with:</p>
-
-<ul>
-<li><strong><code>--with-num-cores</code></strong> -- number of cores in the build system, e.g.
-<code>--with-num-cores=8</code></li>
-<li><strong><code>--with-memory-size</code></strong> -- memory (in MB) available in the build system,
-e.g. <code>--with-memory-size=1024</code></li>
-</ul>
-
-<p>It might also be necessary to specify the JVM arguments passed to the Bootstrap
-JDK, using e.g. <code>--with-boot-jdk-jvmargs="-Xmx8G -enableassertions"</code>. Doing
-this will override the default JVM arguments passed to the Bootstrap JDK.</p>
-
-<p>One of the top goals of the new build system is to improve the build
-performance and decrease the time needed to build. This will soon also apply to
-the java compilation when the Smart Javac wrapper is fully supported.</p>
-
-<p>At the end of a successful execution of <code>configure</code>, you will get a performance
-summary, indicating how well the build will perform. Here you will also get
-performance hints. If you want to build fast, pay attention to those!</p>
-
-<h4>Building with ccache</h4>
-
-<p>The OpenJDK build supports building with ccache when using gcc or clang. Using
-ccache can radically speed up compilation of native code if you often rebuild
-the same sources. Your milage may vary however so we recommend evaluating it
-for yourself. To enable it, make sure it's on the path and configure with
-<code>--enable-ccache</code>.</p>
-
-<h4>Building on local disk</h4>
-
-<p>If you are using network shares, e.g. via NFS, for your source code, make sure
-the build directory is situated on local disk. The performance penalty is
-extremely high for building on a network share, close to unusable.</p>
-
-<h4>Building only one JVM</h4>
-
-<p>The old build builds multiple JVMs on 32-bit systems (client and server; and on
-Windows kernel as well). In the new build we have changed this default to only
-build server when it's available. This improves build times for those not
-interested in multiple JVMs. To mimic the old behavior on platforms that
-support it, use <code>--with-jvm-variants=client,server</code>.</p>
-
-<h4>Selecting the number of cores to build on</h4>
-
-<p>By default, <code>configure</code> will analyze your machine and run the make process in
-parallel with as many threads as you have cores. This behavior can be
-overridden, either "permanently" (on a <code>configure</code> basis) using
-<code>--with-num-cores=N</code> or for a single build only (on a make basis), using
-<code>make JOBS=N</code>.</p>
-
-<p>If you want to make a slower build just this time, to save some CPU power for
-other processes, you can run e.g. <code>make JOBS=2</code>. This will force the makefiles
-to only run 2 parallel processes, or even <code>make JOBS=1</code> which will disable
-parallelism.</p>
-
-<p>If you want to have it the other way round, namely having slow builds default
-and override with fast if you're impatient, you should call <code>configure</code> with
-<code>--with-num-cores=2</code>, making 2 the default. If you want to run with more cores,
-run <code>make JOBS=8</code></p>
-
-<p><a name="troubleshooting"></a></p>
-
-<h3>Troubleshooting</h3>
-
-<h4>Solving build problems</h4>
-
-<p>If the build fails (and it's not due to a compilation error in a source file
-you've changed), the first thing you should do is to re-run the build with more
-verbosity. Do this by adding <code>LOG=debug</code> to your make command line.</p>
-
-<p>The build log (with both stdout and stderr intermingled, basically the same as
-you see on your console) can be found as <code>build.log</code> in your build directory.</p>
-
-<p>You can ask for help on build problems with the new build system on either the
-<a href="http://mail.openjdk.java.net/mailman/listinfo/build-dev">build-dev</a> or the
-<a href="http://mail.openjdk.java.net/mailman/listinfo/build-infra-dev">build-infra-dev</a>
-mailing lists. Please include the relevant parts of the build log.</p>
-
-<p>A build can fail for any number of reasons. Most failures are a result of
-trying to build in an environment in which all the pre-build requirements have
-not been met. The first step in troubleshooting a build failure is to recheck
-that you have satisfied all the pre-build requirements for your platform.
-Scanning the <code>configure</code> log is a good first step, making sure that what it
-found makes sense for your system. Look for strange error messages or any
-difficulties that <code>configure</code> had in finding things.</p>
-
-<p>Some of the more common problems with builds are briefly described below, with
-suggestions for remedies.</p>
-
-<ul>
-<li><p><strong>Corrupted Bundles on Windows:</strong> <br />
-Some virus scanning software has been known to corrupt the downloading of
-zip bundles. It may be necessary to disable the 'on access' or 'real time'
-virus scanning features to prevent this corruption. This type of 'real time'
-virus scanning can also slow down the build process significantly.
-Temporarily disabling the feature, or excluding the build output directory
-may be necessary to get correct and faster builds.</p></li>
-<li><p><strong>Slow Builds:</strong> <br />
-If your build machine seems to be overloaded from too many simultaneous C++
-compiles, try setting the <code>JOBS=1</code> on the <code>make</code> command line. Then try
-increasing the count slowly to an acceptable level for your system. Also:</p>
-
-<p>Creating the javadocs can be very slow, if you are running javadoc, consider
-skipping that step.</p>
-
-<p>Faster CPUs, more RAM, and a faster DISK usually helps. The VM build tends
-to be CPU intensive (many C++ compiles), and the rest of the JDK will often
-be disk intensive.</p>
-
-<p>Faster compiles are possible using a tool called
-<a href="http://ccache.samba.org/">ccache</a>.</p></li>
-<li><p><strong>File time issues:</strong> <br />
-If you see warnings that refer to file time stamps, e.g.</p>
-
-<blockquote>
- <p><em>Warning message:</em> <code>File 'xxx' has modification time in the future.</code> <br />
-<em>Warning message:</em> <code>Clock skew detected. Your build may be incomplete.</code></p>
-</blockquote>
-
-<p>These warnings can occur when the clock on the build machine is out of sync
-with the timestamps on the source files. Other errors, apparently unrelated
-but in fact caused by the clock skew, can occur along with the clock skew
-warnings. These secondary errors may tend to obscure the fact that the true
-root cause of the problem is an out-of-sync clock.</p>
-
-<p>If you see these warnings, reset the clock on the build machine, run
-"<code>gmake clobber</code>" or delete the directory containing the build output, and
-restart the build from the beginning.</p></li>
-<li><p><strong>Error message: <code>Trouble writing out table to disk</code></strong> <br />
-Increase the amount of swap space on your build machine. This could be
-caused by overloading the system and it may be necessary to use:</p>
-
-<blockquote>
- <p><code>make JOBS=1</code></p>
-</blockquote>
-
-<p>to reduce the load on the system.</p></li>
-<li><p><strong>Error Message: <code>libstdc++ not found</code>:</strong> <br />
-This is caused by a missing libstdc++.a library. This is installed as part
-of a specific package (e.g. libstdc++.so.devel.386). By default some 64-bit
-Linux versions (e.g. Fedora) only install the 64-bit version of the
-libstdc++ package. Various parts of the JDK build require a static link of
-the C++ runtime libraries to allow for maximum portability of the built
-images.</p></li>
-<li><p><strong>Linux Error Message: <code>cannot restore segment prot after reloc</code></strong> <br />
-This is probably an issue with SELinux (See <a href="http://en.wikipedia.org/wiki/SELinux">SELinux on
-Wikipedia</a>). Parts of the VM is built
-without the <code>-fPIC</code> for performance reasons.</p>
-
-<p>To completely disable SELinux:</p>
-
-<ol>
-<li><code>$ su root</code></li>
-<li><code># system-config-securitylevel</code></li>
-<li><code>In the window that appears, select the SELinux tab</code></li>
-<li><code>Disable SELinux</code></li>
-</ol>
-
-<p>Alternatively, instead of completely disabling it you could disable just
-this one check.</p>
-
-<ol>
-<li>Select System->Administration->SELinux Management</li>
-<li>In the SELinux Management Tool which appears, select "Boolean" from the
-menu on the left</li>
-<li>Expand the "Memory Protection" group</li>
-<li>Check the first item, labeled "Allow all unconfined executables to use
-libraries requiring text relocation ..."</li>
-</ol></li>
-<li><p><strong>Windows Error Messages:</strong> <br />
-<code>*** fatal error - couldn't allocate heap, ...</code> <br />
-<code>rm fails with "Directory not empty"</code> <br />
-<code>unzip fails with "cannot create ... Permission denied"</code> <br />
-<code>unzip fails with "cannot create ... Error 50"</code></p>
-
-<p>The CYGWIN software can conflict with other non-CYGWIN software. See the
-CYGWIN FAQ section on <a href="http://cygwin.com/faq/faq.using.html#faq.using.bloda">BLODA (applications that interfere with
-CYGWIN)</a>.</p></li>
-<li><p><strong>Windows Error Message: <code>spawn failed</code></strong> <br />
-Try rebooting the system, or there could be some kind of issue with the disk
-or disk partition being used. Sometimes it comes with a "Permission Denied"
-message.</p></li>
-</ul>
-
-<hr />
-
-<p><a name="gmake"></a></p>
-
-<h2>Appendix B: GNU make</h2>
-
-<p>The Makefiles in the OpenJDK are only valid when used with the GNU version of
-the utility command <code>make</code> (usually called <code>gmake</code> on Solaris). A few notes
-about using GNU make:</p>
-
-<ul>
-<li>You need GNU make version 3.81 or newer. On Windows 4.0 or newer is
-recommended. If the GNU make utility on your systems is not of a suitable
-version, see "<a href="#buildgmake">Building GNU make</a>".</li>
-<li>Place the location of the GNU make binary in the <code>PATH</code>.</li>
-<li><strong>Solaris:</strong> Do NOT use <code>/usr/bin/make</code> on Solaris. If your Solaris system
-has the software from the Solaris Developer Companion CD installed, you
-should try and use <code>/usr/bin/gmake</code> or <code>/usr/gnu/bin/make</code>.</li>
-<li><strong>Windows:</strong> Make sure you start your build inside a bash shell.</li>
-<li><strong>Mac OS X:</strong> The XCode "command line tools" must be installed on your Mac.</li>
-</ul>
-
-<p>Information on GNU make, and access to ftp download sites, are available on the
-<a href="http://www.gnu.org/software/make/make.html">GNU make web site </a>. The latest
-source to GNU make is available at
-<a href="http://ftp.gnu.org/pub/gnu/make/">ftp.gnu.org/pub/gnu/make/</a>.</p>
-
-<p><a name="buildgmake"></a></p>
-
-<h3>Building GNU make</h3>
-
-<p>First step is to get the GNU make 3.81 or newer source from
-<a href="http://ftp.gnu.org/pub/gnu/make/">ftp.gnu.org/pub/gnu/make/</a>. Building is a
-little different depending on the OS but is basically done with:</p>
-
-<pre><code> bash ./configure
- make
-</code></pre>
-
-<hr />
-
-<p><a name="buildenvironments"></a></p>
-
-<h2>Appendix C: Build Environments</h2>
-
-<h3>Minimum Build Environments</h3>
-
-<p>This file often describes specific requirements for what we call the "minimum
-build environments" (MBE) for this specific release of the JDK. What is listed
-below is what the Oracle Release Engineering Team will use to build the Oracle
-JDK product. Building with the MBE will hopefully generate the most compatible
-bits that install on, and run correctly on, the most variations of the same
-base OS and hardware architecture. In some cases, these represent what is often
-called the least common denominator, but each Operating System has different
-aspects to it.</p>
-
-<p>In all cases, the Bootstrap JDK version minimum is critical, we cannot
-guarantee builds will work with older Bootstrap JDK's. Also in all cases, more
-RAM and more processors is better, the minimums listed below are simply
-recommendations.</p>
-
-<p>With Solaris and Mac OS X, the version listed below is the oldest release we
-can guarantee builds and works, and the specific version of the compilers used
-could be critical.</p>
-
-<p>With Windows the critical aspect is the Visual Studio compiler used, which due
-to it's runtime, generally dictates what Windows systems can do the builds and
-where the resulting bits can be used.</p>
-
-<p><strong>NOTE: We expect a change here off these older Windows OS releases and to a
-'less older' one, probably Windows 2008R2 X64.</strong></p>
-
-<p>With Linux, it was just a matter of picking a stable distribution that is a
-good representative for Linux in general.</p>
-
-<p>It is understood that most developers will NOT be using these specific
-versions, and in fact creating these specific versions may be difficult due to
-the age of some of this software. It is expected that developers are more often
-using the more recent releases and distributions of these operating systems.</p>
-
-<p>Compilation problems with newer or different C/C++ compilers is a common
-problem. Similarly, compilation problems related to changes to the
-<code>/usr/include</code> or system header files is also a common problem with older,
-newer, or unreleased OS versions. Please report these types of problems as bugs
-so that they can be dealt with accordingly.</p>
-
-<blockquote>
- <p><table border="1">
- <thead>
- <tr>
- <th>Base OS and Architecture</th>
- <th>OS</th>
- <th>C/C++ Compiler</th>
- <th>Bootstrap JDK</th>
- <th>Processors</th>
- <th>RAM Minimum</th>
- <th>DISK Needs</th>
- </tr>
- </thead>
- <tbody>
- <tr>
- <td>Linux X86 (32-bit) and X64 (64-bit)</td>
- <td>Oracle Enterprise Linux 6.4</td>
- <td>gcc 4.9.2 </td>
- <td>JDK 8</td>
- <td>2 or more</td>
- <td>1 GB</td>
- <td>6 GB</td>
- </tr>
- <tr>
- <td>Solaris SPARCV9 (64-bit)</td>
- <td>Solaris 11 Update 1</td>
- <td>Studio 12 Update 4 + patches</td>
- <td>JDK 8</td>
- <td>4 or more</td>
- <td>4 GB</td>
- <td>8 GB</td>
- </tr>
- <tr>
- <td>Solaris X64 (64-bit)</td>
- <td>Solaris 11 Update 1</td>
- <td>Studio 12 Update 4 + patches</td>
- <td>JDK 8</td>
- <td>4 or more</td>
- <td>4 GB</td>
- <td>8 GB</td>
- </tr>
- <tr>
- <td>Windows X86 (32-bit)</td>
- <td>Windows Server 2012 R2 x64</td>
- <td>Microsoft Visual Studio C++ 2013 Professional Edition</td>
- <td>JDK 8</td>
- <td>2 or more</td>
- <td>2 GB</td>
- <td>6 GB</td>
- </tr>
- <tr>
- <td>Windows X64 (64-bit)</td>
- <td>Windows Server 2012 R2 x64</td>
- <td>Microsoft Visual Studio C++ 2013 Professional Edition</td>
- <td>JDK 8</td>
- <td>2 or more</td>
- <td>2 GB</td>
- <td>6 GB</td>
- </tr>
- <tr>
- <td>Mac OS X X64 (64-bit)</td>
- <td>Mac OS X 10.9 "Mavericks"</td>
- <td>Xcode 6.3 or newer</td>
- <td>JDK 8</td>
- <td>2 or more</td>
- <td>4 GB</td>
- <td>6 GB</td>
- </tr>
- </tbody>
- </table></p>
-</blockquote>
-
-<hr />
-
-<p><a name="SDBE"></a></p>
-
-<h3>Specific Developer Build Environments</h3>
-
-<p>We won't be listing all the possible environments, but we will try to provide
-what information we have available to us.</p>
-
-<p><strong>NOTE: The community can help out by updating this part of the document.</strong></p>
-
-<h4>Fedora</h4>
-
-<p>After installing the latest <a href="http://fedoraproject.org">Fedora</a> you need to
-install several build dependencies. The simplest way to do it is to execute the
-following commands as user <code>root</code>:</p>
-
-<pre><code> yum-builddep java-1.7.0-openjdk
- yum install gcc gcc-c++
-</code></pre>
-
-<p>In addition, it's necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/usr/lib/jvm/java-openjdk/bin:${PATH}"
-</code></pre>
-
-<h4>CentOS 5.5</h4>
-
-<p>After installing <a href="http://www.centos.org/">CentOS 5.5</a> you need to make sure you
-have the following Development bundles installed:</p>
-
-<ul>
-<li>Development Libraries</li>
-<li>Development Tools</li>
-<li>Java Development</li>
-<li>X Software Development (Including XFree86-devel)</li>
-</ul>
-
-<p>Plus the following packages:</p>
-
-<ul>
-<li>cups devel: Cups Development Package</li>
-<li>alsa devel: Alsa Development Package</li>
-<li>Xi devel: libXi.so Development Package</li>
-</ul>
-
-<p>The freetype 2.3 packages don't seem to be available, but the freetype 2.3
-sources can be downloaded, built, and installed easily enough from <a href="http://downloads.sourceforge.net/freetype">the
-freetype site</a>. Build and install
-with something like:</p>
-
-<pre><code> bash ./configure
- make
- sudo -u root make install
-</code></pre>
-
-<p>Mercurial packages could not be found easily, but a Google search should find
-ones, and they usually include Python if it's needed.</p>
-
-<h4>Debian 5.0 (Lenny)</h4>
-
-<p>After installing <a href="http://debian.org">Debian</a> 5 you need to install several
-build dependencies. The simplest way to install the build dependencies is to
-execute the following commands as user <code>root</code>:</p>
-
-<pre><code> aptitude build-dep openjdk-7
- aptitude install openjdk-7-jdk libmotif-dev
-</code></pre>
-
-<p>In addition, it's necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/usr/lib/jvm/java-7-openjdk/bin:${PATH}"
-</code></pre>
-
-<h4>Ubuntu 12.04</h4>
-
-<p>After installing <a href="http://ubuntu.org">Ubuntu</a> 12.04 you need to install several
-build dependencies. The simplest way to do it is to execute the following
-commands:</p>
-
-<pre><code> sudo aptitude build-dep openjdk-7
- sudo aptitude install openjdk-7-jdk
-</code></pre>
-
-<p>In addition, it's necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/usr/lib/jvm/java-7-openjdk/bin:${PATH}"
-</code></pre>
-
-<h4>OpenSUSE 11.1</h4>
-
-<p>After installing <a href="http://opensuse.org">OpenSUSE</a> 11.1 you need to install
-several build dependencies. The simplest way to install the build dependencies
-is to execute the following commands:</p>
-
-<pre><code> sudo zypper source-install -d java-1_7_0-openjdk
- sudo zypper install make
-</code></pre>
-
-<p>In addition, it is necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/usr/lib/jvm/java-1.7.0-openjdk/bin:$[PATH}"
-</code></pre>
-
-<p>Finally, you need to unset the <code>JAVA_HOME</code> environment variable:</p>
-
-<pre><code> export -n JAVA_HOME`
-</code></pre>
-
-<h4>Mandriva Linux One 2009 Spring</h4>
-
-<p>After installing <a href="http://mandriva.org">Mandriva</a> Linux One 2009 Spring you need
-to install several build dependencies. The simplest way to install the build
-dependencies is to execute the following commands as user <code>root</code>:</p>
-
-<pre><code> urpmi java-1.7.0-openjdk-devel make gcc gcc-c++ freetype-devel zip unzip
- libcups2-devel libxrender1-devel libalsa2-devel libstc++-static-devel
- libxtst6-devel libxi-devel
-</code></pre>
-
-<p>In addition, it is necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/usr/lib/jvm/java-1.7.0-openjdk/bin:${PATH}"
-</code></pre>
-
-<h4>OpenSolaris 2009.06</h4>
-
-<p>After installing <a href="http://opensolaris.org">OpenSolaris</a> 2009.06 you need to
-install several build dependencies. The simplest way to install the build
-dependencies is to execute the following commands:</p>
-
-<pre><code> pfexec pkg install SUNWgmake SUNWj7dev sunstudioexpress SUNWcups SUNWzip
- SUNWunzip SUNWxwhl SUNWxorg-headers SUNWaudh SUNWfreetype2
-</code></pre>
-
-<p>In addition, it is necessary to set a few environment variables for the build:</p>
-
-<pre><code> export LANG=C
- export PATH="/opt/SunStudioExpress/bin:${PATH}"
-</code></pre>
-
-<hr />
-
-<p>End of the OpenJDK build README document.</p>
-
-<p>Please come again!</p>
- </body>
-</html>