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<!DOCTYPE html>
<html>
<head>

    <meta http-equiv="content-type" content="text/html; charset=utf-8">

    <title>MXE (M cross environment)</title>

    <link rel="stylesheet" href="assets/common.css">

</head>
<body>

<div id="navigation">
<h1>MXE (M&nbsp;cross&nbsp;environment)</h1>

    <ul>
        <li><a href="#introduction"     >Introduction</a></li>
        <li><a href="#screenshots"      >Screenshots</a></li>
        <li><a href="#tutorial"         >Tutorial</a></li>
        <li><a href="#download"         >Download</a></li>
        <li><a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">Mailing List</a></li>
        <li><a href="https://github.com/mxe/mxe/issues">Issue Tracker</a></li>
    </ul>
    <ul>
        <li><a href="#requirements"     >Requirements</a></li>
        <li><a href="#usage"            >Usage</a></li>
        <li><a href="#packages"         >List of Packages</a></li>
        <li><a href="#creating-packages">Creating Packages</a></li>
        <li><a href="#copyright"        >Copyright</a></li>
        <li><a href="#legal"            >Legal</a></li>
        <li><a href="#history"          >History</a></li>
    </ul>
    <ul>
        <li><a href="#see-also"         >See also</a></li>
        <li><a href="#used-by"          >Used by</a></li>
    </ul>
</div>

<div class="section">
<h2 id="introduction">Introduction</h2>

    <p>
    MXE (M cross environment) is a Makefile that
    compiles a cross compiler and cross compiles
    many free libraries such as SDL and Qt. Thus,
    it provides a nice cross compiling environment
    for various target platforms, which
    </p>

    <ul>
    <li>
        is designed to
        <a href="#requirements">run on any Unix system</a>
    </li>
    <li>
        is easy to adapt and to extend
    </li>
    <li>
        builds
        <a href="#packages">many free libraries</a>
        in addition to the cross compiler
    </li>
    <li>
        can also
        <a href="#usage">build just a subset</a>
        of the packages,
        and automatically builds their dependencies
    </li>
    <li>
        downloads all needed packages
        and verifies them by their checksums
    </li>
    <li>
        is able to update the version numbers of all packages automatically
    </li>
    <li>
        directly uses source packages,
        thus ensuring the whole build mechanism is transparent
    </li>
    <li>
        allows inter-package and intra-package
        <a href="#usage">parallel builds</a>
        whenever possible
    </li>
    <li>
        integrates well with <a href="#tutorial-5a">autotools</a>,
        <a href="#tutorial-5b">cmake</a>, <a href="#tutorial-5c">qmake</a>,
        and <a href="#tutorial-5d">hand-written makefiles</a>
    </li>
    <li>
        has been in continuous development <a href="#history">since 2007</a>
        and is <a href="#used-by">used by several projects</a>
    </li>
    <li>
        has <a href="http://pkg.mxe.cc/">pre-compiled binaries</a>
        that <a href="https://github.com/zer0main/battleship">can be used
        in Continuous Integration systems</a>
    </li>
    </ul>

    <h3>Supported Toolchains</h3>

    <p>
        Compiler and runtime: MinGW-w64.
    </p>

    <table id="supported-toolchains">
    <tr>
        <th rowspan="2">Target OS</th>
        <th colspan="2">Packages</th>
    </tr>
    <tr>
        <th>Static</th>
        <th>Shared</th>
    </tr>
    <tr>
        <td>32 bit Windows</td>
        <td style='text-align:center'>99% (379/381)</td>
        <td style='text-align:center'>72% (273/381)</td>
    </tr>
    <tr>
        <td>64 bit Windows</td>
        <td style='text-align:center'>94% (360/381)</td>
        <td style='text-align:center'>71% (271/381)</td>
    </tr>
    </table>
    <p>
        These numbers were last updated on December 16, 2015.
        See the <a href="build-matrix.html">current status</a>
        for individual packages.
    </p>
    <p>
        Executables built for 32 bit Windows can be
        executed on 64 bit Windows as well.
    </p>
    <p>
        How to choose MXE target:
        <ol>
            <li>If you want a 64 bit Windows executable,
                statically linked into one big executable:
                use MXE_TARGETS x86_64-w64-mingw32.static;</li>
            <li>If you want a 64 bit Windows executable,
                split into an executable and dependant dlls
                use MXE_TARGETS x86_64-w64-mingw32.shared;</li>
            <li>If you want a 32 bit Windows executable,
                statically linked into one big executable:
                use MXE_TARGETS i686-w64-mingw32.static;</li>
            <li>If you want a 32 bit Windows executable,
                split into an executable and dependant dlls
                use MXE_TARGETS i686-w64-mingw32.shared.</li>
        </ol>
        Remark: The 'w64-mingw32' in those names are left-overs from
        historical evolutions in the open source cross-compilation world
        and refer in no way to the result being 64 or 32 bit Windows.
    </p>
    <p>
        OpenMP (<a href="https://gcc.gnu.org/projects/gomp/">libgomp</a>)
        and pthreads (<a href="https://mingw-w64.sourceforge.io/">winpthreads</a>)
        are always available.
    </p>
    <p>
        Experimental support for GCC with posix threads was
        added in <a href="https://github.com/mxe/mxe/pull/958">November 2015</a>.
    </p>
    <p>
        Experimental support for alternate GCC Exception Handling was
        added in <a href="https://github.com/mxe/mxe/pull/1664">February 2017</a>.
    </p>

</div>

<div class="section">
<h2 id="screenshots">Screenshots</h2>

    <p>
    Cross compiling
    <a href="https://thebeez.home.xs4all.nl/4tH/">4tH</a>:
    </p>
    <a href="assets/screenshot-4th-compile.png">
        <img src="assets/screenshot-4th-compile-small.png" alt="4th-compile">
    </a>

    <p>
    and running it:
    </p>
    <a href="assets/screenshot-4th-run.png">
        <img src="assets/screenshot-4th-run-small.png" alt="4th-run">
    </a>
</div>

<div class="section">
<h2 id="tutorial">Tutorial</h2>

    <h3 id="tutorial-1">Step 1: Requirements and Download</h3>

    <p>
    First, you should ensure that your system meets
    MXE's
    <a href="#requirements">requirements</a>.
    You will almost certainly have to install some stuff.
    </p>

    <p>
    When everything is fine, download the
    <a href="#download">current version</a>:
    </p>
    <pre>git clone https://github.com/mxe/mxe.git</pre>

    <p>
    If you don't mind installing it in your home directory,
    just skip the following step and go straight to step 3.
    </p>

    <p>
    MXE builds and installs everything under the same
    top-level directory and is not relocatable after
    the first packages are built.
    </p>

    <p>
    Due to limitations of GNU Make, the path of MXE is not allowed
    to contain any whitespace characters.
    </p>

    <h3 id="tutorial-2">Step 2: System-wide Installation (optional)</h3>

    <p>
    Now you should save any previous installation
    of the MXE.
    Assuming you've installed it under
    /opt/mxe (any other directory will do as well),
    you should execute the following commands:
    </p>
    <pre>su
mv /opt/mxe /opt/mxe.old
exit</pre>

    <p>
    Then you need to transfer the entire directory to its definitive location.
    We will assume again you use /opt/mxe,
    but feel free to use any other directory if you like.
    </p>
    <pre>su
mv mxe /opt/mxe
exit</pre>

    <p>
    We're almost done.
    Just change to your newly created directory and get going:
    </p>
    <pre>cd /opt/mxe</pre>

    <h3 id="tutorial-3">Step 3a: Build MXE</h3>

    <p>
    Enter the directory where you've downloaded MXE.
    Now it depends on what you actually want &ndash; or need.
    </p>

    <p>
    If you choose to enter:
    </p>
    <pre>make</pre>
    <p>
    you're in for a long wait,
    because it compiles
    <a href="#packages">a lot of packages</a>.
    On the other hand it doesn't require any intervention,
    so you're free to do whatever you like
    &ndash; like watch a movie or go for a night on the town.
    When it's done you'll find that you've installed
    a very capable Win32 cross compiler onto your system.
    </p>

    <p>
    If you only need the most basic tools you can also use:
    </p>
    <pre>make gcc</pre>
    <p>
    and add any additional packages you need later on.
    You can also supply a host of packages on the
    <a href="#usage">command line</a>,
    e.g.:
    </p>
    <pre>make gtk lua libidn</pre>
    <p>
    Targets can also be specified on the command line.
    By default, only i686-w64-mingw32.static is built, but you can
    build your toolchain(s) of choice with:
    </p>
    <pre>make MXE_TARGETS='x86_64-w64-mingw32.static i686-w64-mingw32.static'</pre>
    <p>
    or by adjusting the <code>MXE_TARGETS</code> variable
    in <code>settings.mk</code>.
    </p>
    <p>
    You'll always end up with a consistent cross compiling environment.
    </p>

    <p>
    If you have trouble here, please feel free to
    contact the mxe team through the
    <a href="https://github.com/mxe/mxe/issues">issue tracker</a> or
    <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">mailing list</a>.
    </p>

    <p>
    After you're done it just needs a little post-installation.
    </p>

    <h3 id="tutorial-3b">Step 3b: Install MXE from the binary distribution</h3>

    <p>
    Instead of building MXE packages from source, you can
    download precompiled packages. There are two options:
    tar archives and Debian packages.
    See <a href="http://pkg.mxe.cc/">pkg.mxe.cc</a>.
    </p>

    <h3 id="tutorial-4">Step 4: Environment Variables</h3>

    <p>
    Edit your .bashrc script in order to change $PATH:
    </p>
    <pre>export PATH=/<em>where MXE is installed</em>/usr/bin:$PATH</pre>

    <p>
    You may be tempted to also add <code>$(TARGET)/bin</code>
    to your path. You <strong>never</strong> want to do this,
    the executables and scripts in there will cause conflicts
    with your native toolchain.
    </p>

    <p>
    In case you are using custom $PKG_CONFIG_PATH entries,
    you can add separate entries for cross builds:
    </p>
    <pre>export PKG_CONFIG_PATH="<em>entries for native builds</em>"</pre>
    <pre>export PKG_CONFIG_PATH_i686_w64_mingw32_static="<em>entries for MXE builds</em>"</pre>
    <p>
    Remember to use i686-w64-mingw32.static-pkg-config
    instead of pkg-config for cross builds.
    The Autotools do that automatically for you.
    </p>

    <p>
    Note that any other compiler related environment variables
    (like $CC, $LDFLAGS, etc.)
    may spoil your compiling pleasure,
    so be sure to delete or disable those.
    </p>
    <p>
    For the most isolated and repeatable environment,
    use a white-list approach:
    </p>
    <pre>unset `env | \
    grep -vi '^EDITOR=\|^HOME=\|^LANG=\|MXE\|^PATH=' | \
    grep -vi 'PKG_CONFIG\|PROXY\|^PS1=\|^TERM=' | \
    cut -d '=' -f1 | tr '\n' ' '`</pre>
    <!-- update mxe-activate also -->
    <p>
    Congratulations!
    You're ready to cross compile anything you like.
    </p>

    <h3 id="tutorial-5a">Step 5a: Cross compile your Project (Autotools)</h3>

    <p>
    If you use the
    <a href="https://www.lrde.epita.fr/~adl/autotools.html">Autotools</a>,
    all you have to do is:
    </p>
    <pre>./configure --host=i686-w64-mingw32.static
make</pre>

    <p>
    If you build a library, you might also want to enforce a static build:
    </p>
    <pre>./configure --host=i686-w64-mingw32.static --enable-static --disable-shared
make</pre>

    <p>
    Don't worry about a warning like this:
    </p>
    <pre>configure: WARNING: If you wanted to set the --build type, don't use --host.
If a cross compiler is detected then cross compile mode will be used.</pre>
    <p>
    Everything will be just fine.
    </p>

    <h3 id="tutorial-5b">Step 5b: Cross compile your Project (CMake)</h3>

    <p>
    If you have a
    <a href="https://www.cmake.org/">CMake</a> project,
    you can use the provided cmake wrapper:
    </p>
    <pre>i686-w64-mingw32.static-cmake ...</pre>
    <p>
    This will automatically use the MXE version of cmake
    and locate the toolchain file.
    </p>

    <h3 id="tutorial-5c">Step 5c: Cross compile your Project (Qt)</h3>

    <p>
    If you have a
    <a href="https://qt-project.org/">Qt</a> application,
    all you have to do is:
    </p>
    <pre>/where MXE is installed/usr/i686-w64-mingw32.static/qt/bin/qmake
make</pre>
    <p>
    Note that Qt 4 is in the "qt" subdirectory. Qt 5 is in the "qt5" subdirectory
    and its qmake can be invoked similarly.
    </p>
    <p>
    If you are using Qt plugins
    such as the svg or ico image handlers,
    you should also have a look at the
    <a href="https://qt-project.org/doc/qt-4.8/plugins-howto.html#static-plugins">Qt documentation about static plugins</a>.
    </p>
    <p>
    Note the sql drivers (-qt-sql-*)
    and the image handlers for jpeg, tiff, gif and mng
    are built-in, <em>not</em> plugins.
    </p>

    <h3 id="tutorial-5d">Step 5d: Cross compile your Project (Makefile)</h3>

    <p>
    If you have a handwritten Makefile,
    you probably will have to make a few adjustments to it:
    </p>
    <pre>CC=$(CROSS)gcc
LD=$(CROSS)ld
AR=$(CROSS)ar
PKG_CONFIG=$(CROSS)pkg-config</pre>
    <p>
    You may have to add a few others, depending on your project.
    </p>

    <p>
    Then, all you have to do is:
    </p>
    <pre>make CROSS=i686-w64-mingw32.static-</pre>
    <p>
    That's it!
    </p>

    <h3 id="tutorial-5e">Step 5e: Cross compile your Project (OSG)</h3>

    <p>
    Using static OpenSceneGraph libraries requires a few changes to your source.
    The graphics subsystem and all plugins required by your application must be
    referenced explicitly. Use a code block like the following:
    </p>
    <pre>#ifdef OSG_LIBRARY_STATIC
USE_GRAPHICSWINDOW()
USE_OSGPLUGIN(&lt;plugin1&gt;)
USE_OSGPLUGIN(&lt;plugin2&gt;)
...
#endif</pre>
    <p>
    Look at <code>examples/osgstaticviewer/osgstaticviewer.cpp</code> in the
    OpenSceneGraph source distribution for an example. This example can be
    compiled with the following command:
    </p>
    <pre>i686-w64-mingw32.static-g++ \
    -o osgstaticviewer.exe examples/osgstaticviewer/osgstaticviewer.cpp \
    `i686-w64-mingw32.static-pkg-config --cflags openscenegraph-osgViewer openscenegraph-osgPlugins` \
    `i686-w64-mingw32.static-pkg-config --libs openscenegraph-osgViewer openscenegraph-osgPlugins`</pre>
    <p>
    The <code>i686-w64-mingw32.static-pkg-config</code> command from MXE will
    automatically add <code>-DOSG_LIBRARY_STATIC</code> to your compiler flags.
    </p>

    <h3>Further Steps</h3>

    <p>
    If you need further assistance,
    feel free to join the
    <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">mailing list</a>
    where you'll get in touch with
    the MXE developers
    and other users.
    </p>
</div>

<div class="section">
<div id="latest-release"></div>
<div id="latest-version"></div>
<div id="development"></div>
<h2 id="download">Download</h2>

    <p>
    To obtain the current version, run:
    </p>

    <pre>git clone https://github.com/mxe/mxe.git</pre>

    <p>
    To retrieve updates, run:
    </p>

    <pre>git pull</pre>

    <p>
    You can also browse the
    <a href="https://github.com/mxe/mxe">web repository</a>.
    </p>

    <p>
    In addition,
    feel free to join the
    <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">mailing list</a>
    and to <a href="#creating-packages">propose new packages</a>.
    </p>
</div>

<div class="section">
<h2 id="requirements">Requirements</h2>

    <p>
    MXE requires a recent Unix system where
    all components as stated in the table below
    are installed. It also needs roughly 2 GiB of
    RAM to link gcc and at least 700 MB of disk
    space per target (counted with only gcc
    built).
    </p>
    <p>
    Detailed instructions are available for:
    </p>

    <ul class="compact-list">
        <li><a href="#requirements-debian">Debian</a></li>
        <li><a href="#requirements-fedora">Fedora</a></li>
        <li><a href="#requirements-freebsd">FreeBSD</a></li>
        <li><a href="#requirements-frugalware">Frugalware</a></li>
        <li><a href="#requirements-gentoo">Gentoo</a></li>
        <li><a href="#requirements-macos">Mac OS X</a></li>
        <li><a href="#requirements-opensuse">openSUSE</a></li>
    </ul>

    <table class="requirements">
    <tr>
        <td><a href="https://www.gnu.org/software/autoconf/">Autoconf</a></td>
        <td>≥ 2.68</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/automake/">Automake</a></td>
        <td>≥ 1.11.3</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/bash/">Bash</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/bison/">Bison</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="http://www.bzip.org/">Bzip2</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://flex.sourceforge.io/">Flex</a></td>
        <td>≥ 2.5.31</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/gcc/">GCC</a> (gcc, g++)</td>
        <td></td>
    </tr>
    <tr>
        <td><a href="http://www.gdk-pixbuf.org/">gdk-pixbuf</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://git-scm.com/">Git</a></td>
        <td>≥ 1.7</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/coreutils/">GNU Coreutils</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/gettext/">GNU Gettext</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/gperf/">GNU gperf</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/make/">GNU Make</a></td>
        <td>≥ 3.81</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/sed/">GNU Sed</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/tar/">GNU Tar</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://freedesktop.org/wiki/Software/intltool/">Intltool</a></td>
        <td>≥ 0.40</td>
    </tr>
    <tr>
        <td><a href="https://en.wikipedia.org/wiki/C_standard_library">LibC</a> for 32-bit</td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://sourceware.org/libffi/">libffi</a></td>
        <td>≥ 3.0.0</td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/libtool/">Libtool</a></td>
        <td>≥ 2.2</td>
    </tr>
    <tr>
        <td><a href="https://www.openssl.org/">OpenSSL</a>-dev</td>
        <td>≥ 1.01</td>
    </tr>
    <tr>
        <td><a href="https://p7zip.sourceforge.io/">p7zip (7-Zip)</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/patch/">Patch</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.perl.org/">Perl</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="http://search.cpan.org/dist/XML-Parser/Parser.pm">Perl XML::Parser</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.freedesktop.org/wiki/Software/pkg-config/">Pkg-config</a></td>
        <td>≥ 0.16</td>
    </tr>
    <tr>
        <td><a href="https://www.python.org/">Python</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.ruby-lang.org/">Ruby</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="http://www.scons.org/">SCons</a></td>
        <td>≥ 0.98</td>
    </tr>
    <tr>
        <td><a href="http://www.info-zip.org/UnZip.html">UnZip</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://www.gnu.org/software/wget/">Wget</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://tukaani.org/xz/">XZ Utils</a></td>
        <td></td>
    </tr>
    <tr>
        <td><a href="https://zlib.net/">zlib</a></td>
        <td>≥ 1.20</td>
    </tr>
    </table>

    <h3 id="requirements-debian">Debian and derivatives</h3>

    <!-- https://www.debian.org/distrib/packages#search_packages -->
    <pre>apt-get install \
    autoconf automake autopoint bash bison bzip2 flex gettext\
    git g++ gperf intltool libffi-dev libgdk-pixbuf2.0-dev \
    libtool-bin libltdl-dev libssl-dev libxml-parser-perl make \
    openssl p7zip-full patch perl pkg-config python ruby scons \
    sed unzip wget xz-utils</pre>

    <p>
    On 64-bit Debian, install also:
    </p>
    <pre>apt-get install g++-multilib libc6-dev-i386</pre>

    <p>
    Prior to Debian Jessie (8) or Ubuntu Utopic (14.10),
    install <code>libtool</code> instead of <code>libtool-bin</code>.
    </p>

    <p>
    Only the <a href="https://www.debian.org/releases/stable/">latest Debian stable series</a> is supported.
    </p>

    <p>
    You can install a precompiled MXE via Debian packages.
    See <a href="http://pkg.mxe.cc/">pkg.mxe.cc</a>.
    </p>

    <h3 id="requirements-fedora">Fedora</h3>

    <!-- https://admin.fedoraproject.org/pkgdb/ -->
    <pre>yum install \
    autoconf automake bash bison bzip2 flex gcc-c++ \
    gdk-pixbuf2-devel gettext git gperf intltool make \
    sed libffi-devel libtool openssl-devel p7zip patch \
    perl pkgconfig python ruby scons unzip wget xz</pre>

    <p>
    On 64-bit Fedora,
    there are <a href="#issue-non-multilib">issues without a 32-bit compiler</a>.
    </p>

    <h3 id="requirements-freebsd">FreeBSD</h3>

    <!-- https://www.freshports.org/ -->
    <pre>pkg install \
    automake autoconf bash bison coreutils flex \
    gcc gdk-pixbuf2 gettext git glib gmake gperf gsed intltool libffi \
    libtool openssl p5-XML-Parser p7zip patch perl5 \
    pkgconf python ruby scons unzip wget</pre>

    <p>
    Use gmake instead of make.
    </p>
    <p>
    Install file(1) from ports, because file(1) from base
    <a href="https://forums.freebsd.org/threads/usr-bin-file-works-very-slow.52958/">works</a>
    very-very-very slow with long text files.
    </p>
    <p>
    Do not build as root. See
    <a href="https://github.com/mxe/mxe/issues/902">#902</a>.
    </p>
    <p>
    Ensure that /usr/local/bin precedes /usr/bin in your $PATH:
    </p>
    <p>
    For C style shells, edit .cshrc
    </p>
    <pre>setenv PATH /usr/local/bin:$PATH</pre>
    <p>
    For Bourne shells, edit .profile
    </p>
    <pre>export PATH=/usr/local/bin:$PATH</pre>
    <p>
    On 64-bit FreeBSD,
    there are <a href="#issue-non-multilib">issues without a 32-bit compiler</a>.
    </p>
    <p>
    <strong>N.B. FreeBSD is no longer fully supported</strong>
    </p>
    <p>
    to build the remainder of MXE, run:
    </p>
    <pre>gmake EXCLUDE_PKGS='gtksourceviewmm2 ocaml% openexr pcl qtbase'</pre>
    <p>
    to see a list of all dependent downstream packages that
    will be excluded, run:
    </p>
    <pre>gmake show-downstream-deps-'gtksourceviewmm2 ocaml% openexr \
                            pcl qtbase'</pre>

    <h3 id="requirements-frugalware">Frugalware</h3>

    <!-- https://www.frugalware.org/packages -->
    <pre>pacman-g2 -S \
    autoconf automake bash bzip2 bison flex gcc gdk-pixbuf2\
    gettext git gperf intltool make sed libffi libtool \
    openssl patch perl perl-xml-parser pkgconfig python \
    ruby scons unzip wget xz xz-lzma</pre>

    <p>
    On 64-bit Frugalware,
    there are <a href="#issue-non-multilib">issues without a 32-bit compiler</a>.
    </p>

    <h3 id="requirements-gentoo">Gentoo</h3>

    <!-- https://packages.gentoo.org/ -->
    <pre>emerge \
    sys-devel/autoconf sys-devel/automake app-shells/bash \
    sys-devel/bison app-arch/bzip2 \
    sys-devel/flex sys-devel/gcc sys-devel/gettext \
    dev-vcs/git dev-util/gperf dev-util/intltool \
    sys-devel/make sys-apps/sed dev-libs/libffi \
    sys-devel/libtool dev-libs/openssl app-arch/p7zip \
    sys-devel/patch dev-lang/perl dev-perl/XML-Parser \
    dev-util/pkgconfig dev-lang/python dev-lang/ruby \
    dev-util/scons app-arch/unzip net-misc/wget \
    app-arch/xz-utils x11-libs/gdk-pixbuf</pre>

    <h3 id="requirements-macos">Mac OS X</h3>

    <p>
    Install
    <a href="https://developer.apple.com/xcode/">the latest Xcode</a>
    </p>
    <h5 id="requirements-macos-method-1">Method 1 - MacPorts</h5>
    <p>
    Install <a href="https://www.macports.org/">MacPorts</a>,
    then run:
    </p>
    <!-- https://www.macports.org/ports.php -->
    <pre>sudo port install \
    autoconf automake bison coreutils flex gettext \
    gdk-pixbuf2 glib2 gnutar gsed intltool libffi libtool \
    openssl p5-xml-parser p7zip pkgconfig scons wget xz</pre>

    <h5 id="requirements-macos-method-2">Method 2 - Rudix</h5>
    <p>
    Install <a href="http://rudix.org/">Rudix</a>,
    then run:
    </p>
    <!-- http://rudix.org/packages/index.html -->
    <pre>sudo rudix install \
    autoconf automake coreutils gettext glib intltool \
    libtool p7zip scons sed tar wget xz</pre>
    <p>
    Note: <b>gdk-pixbuf2</b> is not installed in method 2,
    so you can not build <b>gtk3</b>. Other packages may be
    missing on Rudix - please open an issue if you find any.
    </p>

    <h5 id="requirements-macos-method-3">Method 3 - Homebrew</h5>
    <p>
    Install <a href="https://brew.sh/">Homebrew</a>,
    then run:
    </p>
    <!-- http://braumeister.org/ -->
    <pre>brew install \
    autoconf automake coreutils gdk-pixbuf gettext \
    gnu-sed gnu-tar intltool libtool p7zip wget xz</pre>
    <p>
    Some formulae are
    <a href="https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/FAQ.md#what-does-keg-only-mean"><code>keg-only</code></a>
    and will need <code>brew link</code> to be found.
    </p>

    <h5 id="requirements-macos-general">Genral Notes</h5>
    <p>
    You may be prompted to install a java runtime
    - this is not required.
    </p>
    <p>
    Mac OS X versions ≤ 10.9 are no longer tested.
    </p>
    <p>
    <h5>Certain packages have open issues on OS X</h5>
    </p>
    <p>
    For Xcode <7.3, run:
    </p>
    <pre>make EXCLUDE_PKGS='nsis'</pre>

    <h3 id="requirements-opensuse">openSUSE</h3>

    <!-- https://software.opensuse.org/131/en -->
    <pre>zypper install -R \
    autoconf automake bash bison bzip2 flex gcc-c++ \
    gdk-pixbuf-devel gettext-tools git gperf intltool \
    libffi-devel libtool make openssl libopenssl-devel \
    p7zip patch perl perl-XML-Parser pkg-config python \
    ruby scons sed unzip wget xz</pre>

    <p>
    On 64-bit openSUSE, install also:
    </p>
    <pre>zypper install -R \
    gcc-32bit glibc-devel-32bit libgcc46-32bit \
    libgomp46-32bit libstdc++46-devel-32bit</pre>

    <h3 id="issue-non-multilib">Issues without a 32-bit compiler</h3>

    <p>
    Certain packages contain native tools that are
    currently 32-bit only. In order to build these on a
    64-bit system, multi-lib support must be enabled in the
    compiler toolchain. However, not all operating systems
    support this.
    </p>
    <p>
    To build the remainder of MXE, specify the affected
    packages to exclude:
    </p>
    <pre>make EXCLUDE_PKGS='ocaml%'</pre>
</div>

<div class="section">
<h2 id="usage">Usage</h2>

    <p>
    All build commands also download the packages if necessary.
    </p>
    <p>
    In a BSD userland, substitute "make" with "gmake"
    as all commands are based on
    <a href="https://www.gnu.org/software/make/manual/make.html">GNU Make</a>.
    </p>
    <dl class="usage">

    <dt>make</dt>

        <dd>
        build all packages,
        non-parallel
        </dd>

    <dt>make gcc</dt>

        <dd>
        build a minimal useful set of packages,
        i.e. the cross compilers
        and the most basic packages,
        non-parallel
        </dd>

    <dt>make foo bar</dt>

        <dd>
        build packages "foo", "bar" and their dependencies,
        non-parallel
        </dd>

        <dd>
        the package list can also be set in
        <code>settings.mk</code>
        <pre>LOCAL_PKG_LIST := foo bar
.DEFAULT_GOAL  := local-pkg-list
local-pkg-list: $(LOCAL_PKG_LIST)</pre>
        </dd>
        <dd>
        so a call to <code>make</code> will only build those packages (and their
        dependencies, of course)
        </dd>

    <dt>make foo bar --touch</dt>

        <dd>
        mark packages "foo" and "bar" as up-to-date after
        a trivial change in one of their dependencies
        (short option "-t")
        </dd>

    <dt>make foo bar --jobs=4 JOBS=2</dt>

        <dd>
        build packages "foo", "bar" and their dependencies,
        where up to 4 packages are built in parallel
        (short option "-j 4"),
        each with up to 2 compiler processes running in parallel
        </dd>
        <dd>
        the JOBS variable can also be defined in
        <code>settings.mk</code> and defaults to the number
        of CPUs up to a max of 6 to prevent runaway system
        load with diminishing returns - see the
        <a href="https://www.gnu.org/software/make/manual/make.html#Parallel">GNU Make manual</a>
        for more details on parallel execution
        </dd>

    <dt>make --jobs=4 --keep-going</dt>

        <dd>
        build all packages with 4 inter-package parallel
        jobs and continue as much as possible after an error
        (short option "-j 4 -k")
        </dd>

    <dt>make EXCLUDE_PKGS='foo bar'</dt>

        <dd>
        build all packages excluding foo, bar, and all downstream
        packages that depend on them - mostly used when there are
        <a href="#issue-non-multilib">known issues</a>
        </dd>

    <dt>make foo_SOURCE_TREE=/path/to/local/source</dt>

        <dd>
        build using local source tree for package "foo", bypassing
        download, checksum and patching
        </dd>
        <dd>
        <strong>N.B.</strong> ensure "foo" has an out-of-source
        build configured to avoid generation of build artefacts
        in local tree
        </dd>

    <dt>make check-requirements</dt>

        <dd>
        check most of the
        <a href="#requirements">requirements</a>
        if necessary
        &ndash; executed automatically
        before building packages
        </dd>

    <dt>make download</dt>

        <dd>
        download all packages,
        non-parallel,
        such that subsequent builds work without internet access
        </dd>

    <dt>make download-foo download-bar</dt>

        <dd>
        download packages "foo", "bar" and their dependencies,
        non-parallel
        </dd>

    <dt>make download-foo download-bar -j 4</dt>

        <dd>
        download packages "foo", "bar" and their dependencies,
        where up to 4 packages are downloaded in parallel
        </dd>

    <dt>make download-only-foo download-only-bar</dt>

        <dd>
        download packages "foo", "bar", without their dependencies,
        non-parallel
        </dd>

    <dt>make clean</dt>

        <dd>
        remove all package builds
        &ndash; use with caution!
        </dd>

    <dt>make clean-junk</dt>

        <dd>
        remove all unused files, including unused package
        files, temporary folders, and logs
        </dd>

    <dt>make clean-pkg</dt>

        <dd>
        remove all unused package files,
        handy after a successful update
        </dd>

    <dt>make show-deps-foo</dt>

        <dd>
        print a list of upstream dependencies
        and downstream dependents
        </dd>

    <dt>make show-downstream-deps-foo</dt>

        <dd>
        print a list of downstream dependents
        suitable for usage in shell scripts
        </dd>

    <dt>make show-upstream-deps-foo</dt>

        <dd>
        print a list of upstream dependencies
        suitable for usage in shell scripts
        </dd>

    <dt>make docs/build-matrix.html</dt>

        <dd>
        generate a report of what packages are
        supported on what targets to
        <a href="build-matrix.html">docs/build-matrix.html</a>
        </dd>

    <dt>make update</dt>

        <dd>
        update the version numbers of all packages,
        download the new versions and note their checksums
        </dd>

    <dt>make update UPDATE_DRYRUN=true</dt>

        <dd>
        show list of update candidates without downloading
        </dd>

    <dt>make update-package-foo</dt>

        <dd>
        update the version numbers of package foo,
        download the new version and note its checksum
        </dd>

    <dt>make check-update-package-foo</dt>

        <dd>
        check if package foo has an update available
        without downloading
        </dd>

    <dt>make update-checksum-foo</dt>

        <dd>
        download package foo and update its checksum
        </dd>

    <dt>make cleanup-style</dt>

        <dd>
        cleanup coding style
        </dd>

    </dl>
</div>

<div class="section">
<h2 id="packages">List of Packages</h2>

    <p>
    See something missing? Feel free to <a href="#creating-packages">create a new package</a>.
    </p>
    <table id="package-list" class="old">
    <tr>
        <td>Loading package list...</td>
    </tr>
    </table>
    <script>
        function loadPackageCache(doneCallback) {
            var request = new XMLHttpRequest();
            request.open('GET', 'packages.json', false);
            request.onreadystatechange = function reqCallback() {
                if (request.readyState === 4) {
                    if (request.status === 200) {
                        var pkgs = JSON.parse(request.responseText);
                        doneCallback(pkgs);
                    }
                }
            }
            request.send();
        }
        function showPackages(pkgs) {
            var names = []
            for (pkg in pkgs) {
                names.push(pkg);
            }
            names.sort();
            var trs = [];
            for (var i = 0; i < names.length; i++) {
                var pkg = names[i];
                if (pkg == "" || pkg == "mxe-conf") {
                    // "" is last line of packages.json.
                    continue;
                }
                var version = pkgs[pkg].version;
                var shorten = version.length > 12;
                if (shorten) {
                    version = version.substring(0, 12);
                }
                var versionEscaped = version.replace('&', '&amp;').replace('<', '&lt;').replace('>', '&gt;');
                if (shorten) {
                    versionEscaped += '&hellip;';
                }
                var website = pkgs[pkg].website;
                var description = pkgs[pkg].description;
                if (description == "") {
                    description = pkg;
                }
                var pkgHtml = '<tr>' +
                    '<td class="package">' + pkg + '</td>' +
                    '<td class="version">' + versionEscaped + '</td>' +
                    '<td class="website"><a href="' + website + '">' + description + '</a></td>' +
                    '</tr>';
                trs.push(pkgHtml);
            }
            var packageList = document.getElementById('package-list');
            packageList.innerHTML = trs.join('\n');
        }
        (function main() {
            loadPackageCache(showPackages);
        })();
    </script>
</div>

<div class="section">
<h2 id="creating-packages">Guidelines for Creating Packages</h2>

    <ol>
    <li>
        <p>
        The package should be a
        <a href="https://www.gnu.org/philosophy/free-sw.html">free</a>
        <a href="https://www.debian.org/social_contract#guidelines">software</a>
        <a href="http://www.opensource.org/osd.html">library</a>
        that is really used by one of your applications. Please also review our
        <a href="#legal">legal notes</a>.
        </p>

        <p>
        BTW, we're always curious about the applications people are porting.
        We maintain a
        <a href="#used-by">list of projects</a>
        which use MXE.
        No matter whether your project is free or proprietary
        &ndash; as long as it has its own website,
        we'd be happy to link to it.
        </p>

        <p>
        Also, feel free to link to us. :-)
        </p>
    </li>

    <li>
        <p>
        Grep through the <code>src/*.mk</code> files
        to find a project that is most similar to yours.
        (Really, <code>grep</code> is your friend here.)
        </p>

        <p>
        For instance,
        when adding a GNU library,
        you should take a package like
        <a href="https://github.com/mxe/mxe/blob/master/src/gettext.mk">gettext.mk</a>
        or
        <a href="https://github.com/mxe/mxe/blob/master/src/libiconv.mk">libiconv.mk</a>
        as the base of your work.
        When using a SourceForge project,
        you could start with a copy of
        <a href="https://github.com/mxe/mxe/blob/master/src/xmlwrapp.mk">xmlwrapp.mk</a>.
        And so on.
        </p>

        <p>
        GitHub hosted projects can automatically configure updates,
        urls, file names etc. by setting <code>$(PKG)_GH_CONF</code>
        instead of <code>$(PKG)_FILE, $(PKG)_SUBDIR, $(PKG)_URL, and
        $(PKG)_UPDATE</code> sections.
        </p>
        <p>
        To track normal release tags set:
        <pre>$(PKG)_GH_CONF  := owner/repo[, tag prefix, tag suffix, tag filter-out, version separator]</pre>
        To track branches, set:
        <pre>$(PKG)_GH_CONF  := owner/repo/branch</pre>
        See the following packages for examples:
        <ul>
            <li>
            <a href="https://github.com/mxe/mxe/blob/master/src/vmime.mk">vmime.mk</a>
            for branch tracking
            </li>
            <li>
            <a href="https://github.com/mxe/mxe/blob/master/src/libevent.mk">libevent.mk</a>
            for tag tracking
            </li>
            <li>
            <a href="https://github.com/mxe/mxe/blob/master/src/libffi.mk">libffi.mk</a>
            for externally hosted tarballs with generated sources not
            present in source tree
            </li>
        </ul>
        </p>

        <p>
        The <a href="gmsl.html">GNU Make Standard Library</a> is also
        available (though it should be unnecessary for most packages).
        </p>

        <p>
        Alternatively you can use tool <code>tools/skeleton.py</code> to
        create a skeleton of new MXE package. It fills most of the fields
        of <code>.mk</code> file automatically and supports typical
        build scenarios through option <code>--builder</code>. It also
        adds a package to the <a href="#packages">list of packages</a>
        (see below).
        </p>
    </li>

    <li>
        <p>
        Adjust the comments,
        fill in the <code>$(PKG)_*</code> fields.
        </p>

        <p>
        To fill the <code>$(PKG)_CHECKSUM</code> field, use a command such as (for file gettext.mk):
        </p>
        <pre>make update-checksum-gettext</pre>
        <p>or:</p>
        <pre>openssl sha256 pkg/gettext-x.y.z.tar.gz</pre>
        <p>
        if you have already downloaded the package.
        </p>

        <p>
        Be especially careful with the <code>$(PKG)_DEPS</code> section.
        The easiest way to get the dependencies right
        is to start with a minimal setup.
        That is,
        initialize MXE with <code>make gcc</code> only,
        then check whether your package builds successfully.
        </p>

        <p>
        Always list the dependency on <code>gcc</code> explicitly:
        </p>
        <pre>$(PKG)_DEPS     := gcc ...</pre>

        <p>
        Specify official name and website of a package.
        If the official name coincides with the package name,
        you can omit <code>$(PKG)_DESCR</code>.
        </p>
        <pre>
PKG             := libdvdetect
$(PKG)_WEBSITE  := https://www.dvdetect.de/
$(PKG)_DESCR    := Fast database lookup for DVDs</pre>

        <p>
        Always look for the SSL version of URLs, that is,
        prefer <code>https://</code> URLs over <code>http://</code> URLs.
        </p>
    </li>

    <li>
        <p>
        Write your <code>$(PKG)_BUILD</code>.
        If your library has a <code>./configure</code> script,
        enable/disable all dependency libraries explicitly
        via "<code>--enable-*</code>" and "<code>--disable-*</code>" options.
        </p>

        <p>
        Things not to do:
        </p>
        <ul>
            <li>
            <b>do not run target executables with Wine</b>, as Wine is
            not guaranteed to be installed. Instead build the needed tool
            natively or (if it is too huge to build one more time) add
            to MXE's dependencies. This policy is forced by setting
            WINEPREFIX to an empty directory, which breaks Wine;
            </li>

            <li>
            <b>do not download anything while building</b>, as all files
            downloaded should be verified by checksums. Instead create a
            package which installs the needed file. This policy is forced
            on Linux by <a href="https://github.com/starius/nonetwork/"
            >LD_PRELOAD trick</a>, breaking network functions.
            </li>
        </ul>

        <p>
        Useful Makefile variables provided by MXE:
        </p>

        <ul>
        <li>
            <p>
            <code>$(SOURCE_DIR)</code>
            is a directory with package source and
            <code>$(BUILD_DIR)</code>
            is an empty directory intended for build files.
            Both directories are temporary.
            Prefer out-of-tree builds. Autotools
            and CMake support them.
            </p>
        </li>
        <li>
            <p>
            <code>$(PREFIX)</code>
            is path to <code>usr/</code> directory.
            <code>$(TOP_DIR)</code>
            is path to MXE root directory.
            <code>$(TARGET)</code> is target triplet
            (e.g., <code>i686-w64-mingw32.static</code>).
            <code>$(BUILD)</code> is build triplet
            (e.g., <code>x86_64-unknown-linux-gnu</code>).
            </p>
        </li>
        <li>
            <p>
            <code>$(MXE_CONFIGURE_OPTS)</code>
            adds standard options to <code>./configure</code> script.
            Typical usage:
            </p>
            <pre>
cd '$(BUILD_DIR)' &amp;&amp; '$(SOURCE_DIR)'/configure \
    $(MXE_CONFIGURE_OPTS)
            </pre>
        </li>
        <li>
            <p>
            <code>$(MXE_DISABLE_CRUFT)</code>
            disables installation of documentation and programs.
            </p>
            <pre>
$(MAKE) -C '$(BUILD_DIR)' -j '$(JOBS)' $(MXE_DISABLE_CRUFT)
$(MAKE) -C '$(BUILD_DIR)' -j 1 install $(MXE_DISABLE_CRUFT)
            </pre>
        </li>
        <li>
            <p>
            <code>$(BUILD_SHARED)</code>
            is TRUE for shared targets. Useful to add flags applicable
            only to shared targets.
            </p>
            <pre>
$(if $(BUILD_SHARED),LDFLAGS=-no-undefined)
            </pre>
            <p>
            Similarly,
            <code>$(BUILD_STATIC)</code>
            is TRUE for static targets;
            <code>$(BUILD_NATIVE)</code>
            is TRUE for native targets;
            <code>$(BUILD_CROSS)</code>
            is TRUE for cross targets.
            </p>
        </li>
        </ul>

    </li>

    <li>
        <p>
        You might also have to provide a patch for it.
        In that case, have a look at other patches such as
        <a href="https://github.com/mxe/mxe/blob/master/src/sdl2-2-libtool.patch">sdl2-2-libtool.patch</a>.
        In particular, each patch file should be named as:
        </p>
        <pre>PACKAGE-PATCHNUMBER-DESCRIPTION.patch</pre>
        <p>
        and should start with:
        </p>
        <pre>This file is part of MXE. See LICENSE.md for licensing information.

This patch has been taken from:
https://...</pre>
        <p>
        where the URL points to the
        bugtracker entry,
        mailing list entry or
        website
        you took the patch from.
        </p>

        <p>
        If you created the patch yourself,
        please offer it to the upstream project first,
        and point to <em>that</em> URL,
        using the same wording:
        "This patch has been taken from:".
        </p>

        <p>
        Depending on the feedback you get from the upstream project,
        you might want to improve your patch.
        </p>
    </li>

    <li>
        <p>
        If you find some time,
        please provide a minimal test program for it.
        It should be
        simple,
        stand alone and
        should work unmodified for many (all?) future versions of the library.
        Test programs are named as:
        </p>
        <pre>PACKAGE-test.c</pre>
        or
        <pre>PACKAGE-test.cpp</pre>
        <p>
        depending on whether it is a C or C++ library.
        To get a clue,
        please have a look at existing test programs such as
        <a href="https://github.com/mxe/mxe/blob/master/src/sdl-test.c">sdl-test.c</a>.
        </p>

        <p>
        At the very end of your <code>*.mk</code> file
        you should build the test program in a generic way,
        using strict compiler flags.
        The last few lines of
        <a href="https://github.com/mxe/mxe/blob/master/src/sdl.mk">sdl.mk</a>
        will give you a clue.
        </p>
    </li>

    <li>
        <p>
        You could also try to provide a <code>$(PKG)_UPDATE</code> section.
        However, that requires some experience and "feeling" for it.
        So it is perfectly okay if you leave a placeholder:
        </p>
        <pre>define $(PKG)_UPDATE
    echo 'TODO: write update script for $(PKG).' &gt;&amp;2;
    echo $($(PKG)_VERSION)
endef</pre>
        <p>
        We'll fill that in for you.
        It's a funny exercise.
        </p>
    </li>

    <li>
        <p>
        Check that you don't have "dirty stuff" in your <code>*.mk</code> files,
        such as TAB characters or trailing spaces at lines endings. Run:
        </p>
        <pre>make cleanup-style</pre>
        <p>
        to remove these.
        Have a look at random <code>*.mk</code> files
        to get a feeling for the coding style.
        </p>

        <p>
        The same holds for your test program.
        </p>

        <p>
        However, patch files should always appear
        in the same coding style as the files they are patching.
        </p>

        <p>
        When patching sources with crlf line endings, the patch
        file itself should also have the same eol style. Use the
        convention of naming the file as <code>*crlf.patch</code>
        to instruct git not to normalise the line endings (defined
        in <code>.gitattributes</code>).
        </p>

        <p>
        Finally, in your <code>$(PKG)_BUILD</code> section,
        please check that you use our portability variables:
        </p>
        <table class="translation old">
            <tr><td><code>bash</code></td>      <td>&rarr;</td><td><code>$(SHELL)</code></td></tr>
            <tr><td><code>date</code></td>      <td>&rarr;</td><td><code>$(DATE)</code></td></tr>
            <tr><td><code>install</code></td>   <td>&rarr;</td><td><code>$(INSTALL)</code></td></tr>
            <tr><td><code>libtool</code></td>   <td>&rarr;</td><td><code>$(LIBTOOL)</code></td></tr>
            <tr><td><code>libtoolize</code></td><td>&rarr;</td><td><code>$(LIBTOOLIZE)</code></td></tr>
            <tr><td><code>make</code></td>      <td>&rarr;</td><td><code>$(MAKE)</code></td></tr>
            <tr><td><code>patch</code></td>     <td>&rarr;</td><td><code>$(PATCH)</code></td></tr>
            <tr><td><code>sed</code></td>       <td>&rarr;</td><td><code>$(SED)</code></td></tr>
            <tr><td><code>sort</code></td>      <td>&rarr;</td><td><code>$(SORT)</code></td></tr>
            <tr><td><code>wget</code></td>      <td>&rarr;</td><td><code>$(WGET)</code></td></tr>
        </table>
    </li>

    <li>
        <p>
        Check whether everything runs fine.
        If you have some trouble,
        don't hesitate to ask on the
        <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">mailing list</a>,
        providing your <code>*.mk</code> file so far.
        </p>
    </li>

    <li>
        <p>
        Issue a
        <a href="https://help.github.com/articles/creating-a-pull-request">pull request</a>
        to propose your final <code>*.mk</code> file to us.
        If you have trouble with pull requests,
        send your file to the mailing list instead.
        </p>
        <p>
        Either way,
        don't forget to tell us
        if there are some pieces in your <code>*.mk</code> file
        you feel unsure about.
        We'll then have a specific look at those parts,
        which avoids trouble for you and us in the future.
        </p>
    </li>
    </ol>
</div>

<div class="section">
<h2 id="copyright">Copyright © <span class="years">2007–2015</span></h2>

    <ul id="authors-list" class="compact-list">
    <li>Volker Diels-Grabsch</li>
    <li>Mark Brand</li>
    <li>Tony Theodore</li>
    <li>Martin Gerhardy</li>
    <li>Tiancheng "Timothy" Gu</li>
    <li>Boris Nagaev</li>
    <li><a href="https://github.com/mxe/mxe/graphs/contributors">... and many other contributors</a></li>
    </ul>

    <p>(contact via the
       <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">project mailing list</a>)</p>

    <p>
    Permission is hereby granted, free of charge, to any person obtaining
    a copy of this software and associated documentation files (the
    "Software"), to deal in the Software without restriction, including
    without limitation the rights to use, copy, modify, merge, publish,
    distribute, sublicense, and/or sell copies of the Software, and to
    permit persons to whom the Software is furnished to do so, subject
    to the following conditions:
    </p>

    <p>
    The above copyright notice and this permission notice shall be
    included in all copies or substantial portions of the Software.
    </p>

    <p>
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    </p>
</div>

<div class="section">
<h2 id="legal">Legal</h2>

    <h3>Disclaimer - it's all code...</h3>

    <p>
    Modern legal systems are like any other large, complex, and evolving body
    of code you're likely to encounter.
    </p>

    <p>
    They have their own language with quirky parsers, compilers, and
    interpreters (though these tend to be human). Their issue trackers are
    a backlog of court cases. They have bugs. They have traps for the
    uninitiated that may potentially do more than waste your time.
    </p>

    <p>
    We currently limit ourselves to:
    </p>
    <pre>--enable-languages='c,c++,objc,fortran'</pre>
    <p>
    so nothing mentioned here or on the mailing list should be taken as
    legal advice. :-)
    </p>

    <h3>Choosing the right compiler</h3>

    <p>
    The best starting point for any legal questions would be the
    </p>
    <p>
    <a href="https://fsfe.org/projects/ftf/">FTF (Freedom Task Force of the FSFE (Free Software Foundation Europe)).</a>
    </p>
    <p>
    They have been very helpful in the past, and maintain an
    <a href="https://fsfe.org/projects/ftf/network.en.html">extensive network</a>
    of legal contacts, both within and outside Europe.
    </p>

    <p>Your local jurisdiction may be a signatory to various
    <a href="https://en.wikipedia.org/wiki/List_of_parties_to_international_copyright_agreements">international agreements,</a>
    so be sure to mention where you are in any correspondence (much like any
    detailed bug report really).
    </p>

    <p>Additionally, you should also do some background reading from the
    <a href="https://www.gnu.org/licenses/gpl-faq.html#GPLIncompatibleLibs">FSF (Free Software Foundation)</a>
    and
    <a href="https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License">Wikipedia</a>
    to familiarise yourself with some of the potential issues (and experience
    some context-switching overhead).
    </p>

    <h3 id="contributions">Contributions</h3>

    <p>
    Contributions are always welcome!
    </p>

    <p>
    Ownership of all contributions (bug fixes, new packages, doc updates, etc.)
    remain with the author. All we require is a real name (no l33t handles,
    please), and that you release your work under
    <a href="#copyright">our licence</a>.
    </p>

    <p>If you prefer not to be credited with a contribution, please notify
    the committer.
    </p>

    <h3 id="package-licenses">Package Licences</h3>

    <p>
    Each package is individually licensed under terms specified by the
    authors of that package. Please see the respective source tarball
    and/or project website for details.
    </p>

    <p>
    Packages that are
    <a href="http://www.audiocoding.com/faac.html">non-free</a>
    or
    <a href="http://glaros.dtc.umn.edu/gkhome/metis/metis/faq#distribute">ambiguous</a>
    will be
    <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2010-12/msg00049.html">removed</a>
    or
    <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2010-09/msg00063.html">rejected</a>.
    </p>

    <p>
    The definition of free must be one of:
    </p>
    <ul>
    <li><a href="https://www.gnu.org/philosophy/free-sw.html">The Free Software Definition</a></li>
    <li><a href="https://www.debian.org/social_contract#guidelines">The Debian Free Software Guidelines (DFSG)</a></li>
    <li><a href="http://www.opensource.org/osd.html">The Open Source Definition</a></li>
    </ul>

    <p>
    Please contact the
    <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">mailing list</a>
    if you notice a package that doesn't meet these guidlines.
    </p>

    <h3 id="other-legal-considerations">Other Considerations</h3>

    <p>
    In addition to the usual considerations (copyrights, patents,
    trademarks, export regulations etc.), building
    <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2010-12/msg00025.html">statically linked</a>
    libraries
    <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2011-02/msg00018.html">for Windows</a>
    exposes some edge cases that you may not have encountered before.
    </p>

    <p>
    According to
    <a href="https://www.gnu.org/philosophy/free-sw.html">freedom 0</a> and our
    <a href="#copyright">own licence</a>,
    you can use mxe in countless different
    environments, each with it's own special legal considerations. The
    configuration options of certain packages (e.g ffmpeg) allow the use of
    non-free software and/or combinations that cause license violations.
    </p>

    <p>
    For these packages, we will provide sensible defaults aimed
    at achieving the following goals:
    </p>
    <ol>
        <li>avoid causing inherent licensing issues with conflicting options</li>
        <li>make the package as feature complete as possible</li>
    </ol>

    <p>
    Note that this does not prevent downstream violations, or affect any
    further obligations a licence may impose on you.
    </p>

    <h3 id="potential-legal-issues">Potential Issues - Non Exhaustive List</h3>

    <h4>GNU Licenses</h4>
    <p>
    Review the
    <a href="https://www.gnu.org/licenses/gpl-faq.html#content">FAQ</a>
    </p>

    <h4>LGPL and Static Linking</h4>

    <p>
    Review the
    <a href="https://en.wikipedia.org/wiki/GNU_Lesser_General_Public_License#Differences_from_the_GPL">Differences from the GPL</a>
    section of the Wikipedia article mentioned above.
    </p>

    <h4>GPL and OpenSSL</h4>

    <p>
    See conflicting accounts from the
    <a href="https://www.gnu.org/licenses/license-list.html#OpenSSL">FSF</a>
    and the
    <a href="https://www.openssl.org/docs/faq.html#LEGAL2">OpenSSL project</a>.
    </p>
    <p>
    A similar situation also exists for package fdk-aac.
    </p>
</div>

<div class="section">
<h2 id="history">History</h2>

    <dl>

    <dt>2015-05-04 &ndash; Retired the stable branch</dt>
    <dd>
        <p>
        The stable branch
        <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2015-05/msg00004.html">was retired</a>
        as it
        <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2015-03/msg00002.html">did more harm than good</a>.
        Everybody is using the master branch,
        because it is always recent and well enough tested.
        For historical reference, the last commit to the stable branch was
        <a href="https://github.com/mxe/mxe/commits/0c6cc9c91cf94e445ec471a5beebb7199483cb9d" title="0c6cc9c91cf94e445ec471a5beebb7199483cb9d">0c6cc9c</a>,
        which was
        <a href="https://github.com/mxe/mxe/commits/eaac1a873f37bdc4f91e1b649e28b118acedc436" title="eaac1a873f37bdc4f91e1b649e28b118acedc436">fully merged into master</a>
        as usual.
        </p>

        <p>
        Added support for <a href="#supported-toolchains">shared toolchains</a> for over 50% of all the packages.
        </p>

        <p>
        Unfortunately, a number of factors have forced us to drop support
        for MinGW 3 (i.e. "<a href="http://mingw.org/">MinGW.org</a>"),
        in favor of the MinGW-w64 toolchain. This decision was made in a
        large part because of the dropping of support for MinGW by <a
        href="https://github.com/mxe/mxe/pull/453#issuecomment-51703048">
        GLib</a> and <a
        href="https://github.com/mxe/mxe/issues/492#issue-41366666">Qt5</a>,
        which arguably are two of the most important packages in MXE.
        Other considerations have also been taken, like the <a
        href="https://github.com/mxe/mxe/pull/323#issuecomment-39463810">lack
        of maintainership in MinGW</a> and <a
        href="https://github.com/mxe/mxe/issues/400">potential legal
        challenges</a> that comes with using supplemental DirectX
        headers in MinGW in order to support Qt4. Worse yet, having to
        support the unsupported MinGW toolchain impedes adding or
        updating packages, as shown in the <a
        href="https://github.com/mxe/mxe/pull/453#issuecomment-51703048">pull
        request of updating GLib</a>.
        </p>

        <p>
        Please note that dropping support for MinGW <strong>DOES NOT
        MEAN</strong> dropping support for the 32-bit architecture. MinGW-w64
        also supports 32-bit target through i686-w64-mingw32.
        </p>

        <p>
        To ease migration to the supported MinGW-w64 target, we have
        finished porting all packages that were MinGW-only to at least
        i686-w64-mingw32 (32-bit target of MinGW-w64). Hence your existing
        commands should work out-of-the-box assuming the
        <code>MXE_TARGETS</code> environment variable is set correctly.
        </p>
    </dd>

    <dt>2013-07-27 &ndash; Release 2.23</dt>
    <dd>
        <p>
        The stable branch was updated
        to the current development version after a thorough
        <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2013-07/msg00021.html">testing phase</a>.
        </p>

        <p>
        Current users are <strong>strongly</strong> encouraged to
        start with a clean tree as the toolchain has been
        updated and requires a full rebuild:
        </p>
        <pre>git pull && make clean && make</pre>

        <p>
        Most packages were updated to their latest version.
        </p>

        <p>
        Many new packages are supported:
        alure, apr-util, apr, armadillo, cegui, cfitsio, cminpack,
        flann, gtkglarea, gtkimageview, harfbuzz, hdf4, hdf5, hunspell,
        icu4c, itk, lensfun, levmar, libf2c, libftdi, libgda, libgdamm,
        libglade, liblqr-1, libmodplug, librtmp, libzip, log4cxx, mdbtools,
        ncurses, netcdf, netpbm, ocaml-cairo, ocaml-camlimages, ocaml-core,
        ocaml-findlib, ocaml-flexdll, ocaml-lablgl, ocaml-lablgtk2,
        ocaml-native, ocaml-xml-light, opencv, opus, opusfile, pcl,
        picomodel, plib, plibc, poppler, portablexdr, portmidi, protobuf,
        qdbm, qt5, qtactiveqt, qtbase, qtdeclarative, qtgraphicaleffects,
        qtimageformats, qtjsbackend, qtmultimedia, qtquick1, qtquickcontrols,
        qtscript, qtsensors, qtserialport, qtsvg, qttools, qttranslations,
        qtxmlpatterns, qwt, sdl_gfx, sfml, sox, teem, twolame, vtk6, wavpack,
        wget, winpthreads, xapian-core, yasm
        </p>

        <p>
        Added support for <a href="#supported-toolchains">mingw-w64 based toolchains</a>
        targeting 32 &amp; 64-bit architectures.
        </p>

        <p>
        With the addition of Qt5, there is no longer a prefixed version of
        qmake, see the <a href="#tutorial-5c">Qt section of the tutorial</a>
        for the new way to invoke qmake.
        </p>

        <p>
        <a href="#requirements-freebsd">FreeBSD</a> is no longer fully supported.
        Qt5, ocaml*, and 8 other packages are excluded from the build.
        </p>
    </dd>

    <dt id="branches">2012-04-12 &ndash; Release 2.22</dt>
    <dd>
        <p>
        The release tarballs have been replaced with a stable branch
        that conforms to the new branch concept:
        </p>

        <ul class="compact-list">
            <li>
                Any change of a build script goes into "master".
            </li>
            <li>
                Any package upgrade goes into "master".
            </li>
            <li>
                Any documentation upgrade that refers to a feature
                not present in stable goes into "master".
            </li>
            <li>
                Anything else that doesn't affect the build goes
                into "stable".
            </li>
            <li>
                Any non-critical improvement to the main Makefile
                goes into "stable".
            </li>
            <li>
                Any improvement in the package download URLs or
                package version recognition goes into "stable".
            </li>
            <li>
                When in doubt, "master" is used rather than "stable".
            </li>
            <li>
                Every change to the "stable" branch
                will be merged into "master".
            </li>
            <li>
                After a successful testing phase,
                the "stable" branch
                will be fast-forwarded to "master".
            </li>
        </ul>

        <p>
        The project has been
        <a href="https://lists.nongnu.org/archive/html/mingw-cross-env-list/2012-03/msg00101.html">renamed</a>
        from
        mingw-cross-env (MinGW cross compiling environment)
        to
        MXE (M&nbsp;cross&nbsp;environment).
        </p>

        <p>
        Most packages were updated to their latest version.
        </p>

        <p>
        New packages are supported:
        agg, cgal, eigen, file, gta, json-c, libgnurx, libharu,
        libircclient, libssh2, libxml++, llvm, lzo, mpfr, nettle,
        opencsg, qjson, qwtplot3d, vtk, and wt.
        </p>
    </dd>

    <dt>2011-06-07 &ndash; Release 2.21</dt>
    <dd>
        <p>
        <a href="https://bitbucket.org/vog/mingw-cross-env/downloads/mingw-cross-env-2.21.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.21">Changelog</a>
        </p>

        <p>
        Minor bugfixes in several packages.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        Packages gtkmm and gtksourceviewmm have been renamed to gtkmm2 and gtksourceviewmm2.
        </p>

        <p>
        New packages are supported:
        libass, poco, and t4k_common.
        </p>
    </dd>

    <dt>2011-04-05 &ndash; Release 2.20</dt>
    <dd>
        <p>
        <a href="https://bitbucket.org/vog/mingw-cross-env/downloads/mingw-cross-env-2.20.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.20">Changelog</a>
        </p>

        <p>
        This release fixes a download error caused by the pixman project
        (a sudden change of their URL scheme without proper redirects).
        <a href="https://www.w3.org/Provider/Style/URI">That sort of thing should never happen!</a>
        </p>
    </dd>

    <dt>2011-03-19 &ndash; Release 2.19</dt>
    <dd>
        <p>
        <a href="https://bitbucket.org/vog/mingw-cross-env/downloads/mingw-cross-env-2.19.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.19">Changelog</a>
        </p>

        <p>
        The download mechanisms are improved.
        </p>

        <p>
        A CMake toolchain file is provided
        to simplify cross-compiling projects which use CMake.
        </p>

        <p>
        Support for Debian/Lenny is dropped.
        </p>

        <p>
        Package gtk is renamed to gtk2.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        New packages are supported:
        dbus, graphicsmagick, libical, liboauth, physfs, and vigra.
        </p>

        <p>
        Note for <code>boost::filesystem</code> users:
        <a href="https://beta.boost.org/doc/libs/1_46_1/libs/filesystem/v3/doc/index.htm">Version 3 is a major revision</a>
        and now the default in 1.46.
        </p>
    </dd>

    <dt>2010-12-15 &ndash; Release 2.18</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.18.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.18">Changelog</a>
        </p>

        <p>
        This release fixes a checksum error caused by the atkmm project
        (a sudden change of their current source tarball).
        <a href="https://www.w3.org/Provider/Style/URI">That sort of thing should never happen!</a>
        </p>
    </dd>

    <dt>2010-12-11 &ndash; Release 2.17</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.17.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.17">Changelog</a>
        </p>

        <p>
        This release provides some improvements of the build system
        such as an automatic check for most of the requirements.
        </p>

        <p>
        All packages are updated to their latest version.
        </p>

        <p>
        New packages are supported:
        bfd, blas, cblas, dcmtk, ftgl, lapack, lcms1,
        mingw-utils, mxml, suitesparse and tinyxml.
        </p>
    </dd>

    <dt>2010-10-27 &ndash; Release 2.16</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.16.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.16">Changelog</a>
        </p>

        <p>
        This release provides lots of improvements to
        the build system as well as the documentation.
        </p>

        <p>
        Support for OpenSolaris is dropped.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        Many new packages are supported:
        atkmm, cairomm, cunit, faac, faad2, ffmpeg, gdk-pixbuf, glibmm,
        gtkglextmm, gtkmm, gtksourceview, gtksourceviewmm, imagemagick,
        lame, libiberty, libsigc++, libvpx, matio, openal, opencore-amr,
        pangomm, pfstools, plotmm, sdl_sound and x264.
        </p>
    </dd>

    <dt>2010-06-16 &ndash; Release 2.15</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.15.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.15">Changelog</a>
        </p>

        <p>
        This release fixes download errors caused by the Qt project
        (a sudden change of their current source tarball).
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>
    </dd>

    <dt>2010-06-08 &ndash; Release 2.14</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.14.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.14">Changelog</a>
        </p>

        <p>
        This release fixes download errors caused by the MinGW project
        (a sudden change of their URL scheme without proper redirects).
        <a href="https://www.w3.org/Provider/Style/URI">That sort of thing should never happen!</a>
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        New packages are supported:
        libarchive, libgee and xvidcore.
        </p>
    </dd>

    <dt>2010-05-31 &ndash; Release 2.13</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.13.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.13">Changelog</a>
        </p>

        <p>
        This release switches back from TDM to the official GCC,
        thus supporting the current GCC&nbsp;4.5.
        </p>

        <p>
        The set of DirectX headers is improved and more complete.
        </p>

        <p>
        The deadlock issues with Pthreads-w32 are fixed.
        </p>

        <p>
        A static build of GDB is provided,
        i.e. a standalone "gdb.exe"
        that doesn't require any extra DLLs.
        </p>

        <p>
        More packages are backed by test programs.
        </p>

        <p>
        Many "sed hacks" are replaced by proper portability patches.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        Many new packages are supported:
        fribidi, gc, gdb, gmp, gsl, gst-plugins-base, gst-plugins-good,
        gstreamer, gtkglext, guile, libcroco, libffi, liboil, libpaper,
        libshout, libunistring and xine-lib.
        </p>
    </dd>

    <dt>2010-02-21 &ndash; Release 2.12</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.12.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.12">Changelog</a>
        </p>

        <p>
        This release fixes some minor build issues,
        and contains a first small set of test programs
        to check the package builds.
        </p>

        <p>
        The build rules are simplified
        by calling generators like Autotools and Flex,
        instead of patching the generated files.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        Many new packages are supported:
        aubio, devil, directx, exiv2, fftw, freeimage, gsoap,
        id3lib, liblo, libpano13, librsvg, libsamplerate,
        muparser, openscenegraph, portaudio and sdl_pango.
        </p>
    </dd>

    <dt>2010-02-20 &ndash; Release 2.11</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.11.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.11">Changelog</a>
        </p>

        <p>
        This release contains a packaging bug.
        Please use release 2.12 instead.
        </p>
    </dd>

    <dt>2009-12-23 &ndash; Release 2.10</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.10.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.10">Changelog</a>
        </p>

        <p>
        This release adds support for many new packages:
        flac, libmad, libsndfile, sdl_net, speex, postgresql,
        freetds, openssl, plotutils, taglib, lcms, freeglut,
        xerces and zziplib.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        In addition to the libraries
        some command line tools such as psql.exe are built, too.
        </p>

        <p>
        The placements of logfiles, as well as many other build details, have been improved.
        </p>
    </dd>

    <dt>2009-10-24 &ndash; Release 2.9</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.9.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.9">Changelog</a>
        </p>

        <p>
        This release adds support for Qt, VMime and libmng.
        </p>

        <p>
        The target triplet is updated to i686-pc-mingw32.
        </p>

        <p>
        OpenMP support is enabled in GCC.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>
    </dd>

    <dt>2009-09-11 &ndash; Release 2.8</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.8.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.8">Changelog</a>
        </p>

        <p>
        This release comes with a better look &amp; feel
        by providing a highlevel overview of the build process.
        </p>

        <p>
        The detailed build messages are stored into
        separate log files for each package,
        so parallel builds don't intermix them anymore.
        </p>

        <p>
        The download URLs of SourceForge packages
        are adjusted to ensure that
        the selected SourceForge mirror is really used
        and not circumvalented via HTTP redirects to other mirrors.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        The whole mingw-cross-env project has moved to
        <a href="https://savannah.nongnu.org/">Savannah</a>.
        So all URIs have changed,
        but the old URIs
        redirect to the new locations seamlessly.
        </p>

        <p>
        Everyone is invited to join the freshly created
        <a href="https://lists.nongnu.org/mailman/listinfo/mingw-cross-env-list">project mailing list</a>.
        </p>
    </dd>

    <dt>2009-08-11 &ndash; Release 2.7</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.7.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.7">Changelog</a>
        </p>

        <p>
        This release
        provides an improved version recognition
        for SourceForge packages.
        SourceForge changed their page layout
        in a way that makes it much harder
        to identify the current version of a package.
        </p>

        <p>
        Additionally,
        almost all packages are updated to their latest version.
        </p>
    </dd>

    <dt>2009-06-19 &ndash; Release 2.6</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.6.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.6">Changelog</a>
        </p>

        <p>
        This release contains some portability fixes
        which allow it to run on a wider range of systems
        such as Frugalware.
        </p>

        <p>
        The documentation and website are completely revised.
        </p>

        <p>
        New packages such as
        CppUnit, libUsb, NSIS, Popt, SQLite and Theora
        are supported.
        </p>

        <p>
        Almost all packages are updated to their latest version.
        </p>

        <p>
        A new command "make download" is implemented.
        </p>
    </dd>

    <dt>2009-04-06 &ndash; Release 2.5</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.5.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.5">Changelog</a>
        </p>

        <p>
        This release fixes a download error caused by the MinGW project.
        They suddenly changed the names of their source tarballs.
        <a href="https://www.w3.org/Provider/Style/URI">That sort of thing should never happen!</a>
        </p>

        <p>
        This release also contains some bugfixes
        which allow it to run on a wider range of systems.
        </p>

        <p>
        All downloaded files are now
        verified by their SHA-1 checksums.
        </p>

        <p>
        New versions of various packages are supported.
        </p>
    </dd>

    <dt>2009-03-08 &ndash; Release 2.4</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.4.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.4">Changelog</a>
        </p>

        <p>
        This release provides many new libraries such as
        wxWidgets, GTK+ and OpenEXR.
        </p>

        <p>
        In addition, new versions of various packages
        are supported.
        </p>
    </dd>

    <dt>2009-02-09 &ndash; Release 2.3</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.3.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.3">Changelog</a>
        </p>

        <p>
        This release fixes some serious build problems on FreeBSD and MacOS-X.
        </p>

        <p>
        The Makefile has a new target "clean-pkg"
        and allows to be called from a separate build directory
        via "make -f .../Makefile".
        </p>

        <p>
        Some new versions of the packages are supported,
        especially GCC-4.3 by switching from MinGW GCC to
        <a href="http://www.tdragon.net/recentgcc/">TDM-GCC</a>.
        </p>
    </dd>

    <dt>2009-01-31 &ndash; Release 2.2</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.2.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.2">Changelog</a>
        </p>

        <p>
        This release fixes some minor build problems.
        </p>

        <p>
        It also supports some new packages and
        some newer versions of the already supported packages.
        </p>

        <p>
        Parallelization is now disabled by default.
        </p>
    </dd>

    <dt>2008-12-13 &ndash; Release 2.1</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.1.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.1">Changelog</a>
        </p>

        <p>
        This release fixes a download error caused by the GDAL project.
        They suddenly changed their download URLs.
        <a href="https://www.w3.org/Provider/Style/URI">That sort of thing should never happen!</a>
        </p>

        <p>
        In addition, some newer versions of various packages are supported.
        </p>

        <p>
        There is also a small compatibility fix for OS X.
        </p>
    </dd>

    <dt>2008-11-10 &ndash; Release 2.0</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-2.0.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/2.0">Changelog</a>
        </p>

        <p>
        The shell script has been rewritten as Makefile
        and supports partial builds and parallel builds.
        </p>

        <p>
        As usual,
        this release also supports some new packages and
        some newer versions of the already supported packages.
        </p>
    </dd>

    <dt>2008-01-11 &ndash; Release 1.4</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-1.4.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/1.4">Changelog</a>
        </p>

        <p>
        This release now includes a tutorial by Hans Bezemer
        and has improved compile options of FLTK.
        As usual, it supports some newer versions of the libraries.
        </p>

        <p>
        At the <a href="https://www.fefe.de/nowindows/">request of its author</a>,
        libowfat is no longer supported from this release on.
        </p>

        <p>
        The script now uses a specific SourceForge mirror
        instead of randomly chosen ones,
        because the download phase
        often stumbled on some very slow mirrors.
        </p>
    </dd>

    <dt>2007-12-23 &ndash; Release 1.3</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-1.3.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/1.3">Changelog</a>
        </p>

        <p>
        A sudden change in the download URLs of GEOS
        made the automatic download fail.
        <a href="https://www.w3.org/Provider/Style/URI">Such changes should never happen!</a>
        But it happened,
        and this quick release is an attempt to limit the damage.
        </p>

        <p>
        This release also supports some newer versions of the libraries
        including support for fontconfig-2.5.0.
        </p>
    </dd>

    <dt>2007-12-13 &ndash; Release 1.2</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-1.2.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/1.2">Changelog</a>
        </p>

        <p>
        This release is a switch from gcc-3 to gcc-4.
        It also supports a new library and
        some newer versions of the already supported libraries.
        </p>
    </dd>

    <dt>2007-07-24 &ndash; Release 1.1</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-1.1.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/1.1">Changelog</a>
        </p>

        <p>
        This release is the result of the public attention the release 1.0 got.
        It contains many improvements suggested by its first users,
        and adds support for many new libraries.
        </p>

        <p>
        Thanks to Rocco Rutte who contributed many code snippets.
        </p>
    </dd>

    <dt>2007-06-19 &ndash; Release 1.0</dt>
    <dd>
        <p>
        <a href="https://download.savannah.nongnu.org/releases/mingw-cross-env/mingw-cross-env-1.0.tar.gz">Download</a> |
        <a href="https://hg.savannah.nongnu.org/hgweb/mingw-cross-env/log/1.0">Changelog</a>
        </p>

        <p>
        This first release has been created in a 7-day-sprint.
        </p>
    </dd>

    <dt>2007-06-12 &ndash; Project start</dt>
    <dd>
    </dd>

    </dl>
</div>

<div class="section">
<h2 id="see-also">See also</h2>

    <h3>This project</h3>

    <ul class="compact-list">
    <li>
        <a href="http://mxe.cc">Website</a>
    </li>
    <li>
        <a href="https://github.com/mxe/mxe">Project on GitHub</a>
    </li>
    <li>
        <a href="http://pkg.mxe.cc/">Binary distribution of packages</a>
    </li>
    <li>
        <a href="https://www.openhub.net/p/mxe">Entry on Open Hub</a>
    </li>
    <li>
        <a href="https://savannah.nongnu.org/projects/mingw-cross-env">Entry on Savannah</a>
    </li>
    <li>
        <a href="https://lists.debian.org/debian-embedded/2007/06/msg00007.html">First release announcement</a>
        and the discussion around it
    </li>
    </ul>

    <h3>Related articles</h3>

    <ul>
    <li>
        <a href="http://www.valdyas.org/fading/index.cgi/hacking/krita/mxe_krita.html">Cross-compiling Krita using MXE</a>
        <br>
        Experience report of the
        <a href="https://krita.org/">Krita project</a>
    </li>
    <li>
        <a href="https://thebeezspeaks.blogspot.com/2009/04/cross-compilers-new-wave.html">Cross compilers, the new wave</a>
        <br>
        Appeared on
        <a href="http://lxer.com/module/newswire/view/118868">LXer</a>
        and
        <a href="http://www.linuxtoday.com/developer/2009041501335RVSWDV">Linux Today</a>
    </li>
    <li>
        <a href="http://www.mingw.org/wiki/LinuxCrossMinGW">MinGW cross compiler for Linux build environment</a>
        <br>
        Official tutorial of the
        <a href="http://www.mingw.org/">MinGW project</a>
    </li>
    <li>
        <a href="https://wiki.wxwidgets.org/Cross-Compiling_Under_Linux#Cross-compiling_under_Linux_for_MS_Windows">Cross-compiling under Linux for MS Windows</a>
        <br>
        Old tutorial provided by the
        <a href="https://www.wxwidgets.org/">wxWidgets project</a>
    </li>
    </ul>

    <h3>Related projects</h3>

    <ul>
    <li>
        <a href="https://www.archlinux.org/groups/x86_64/mingw-w64/">Arch Linux mingw-w64 packages</a>
        <br>
        Win32 cross compiling packages by Arch Linux
    </li>
    <li>
        <a href="https://packages.debian.org/stable/devel/mingw32">Debian mingw32 package</a>
        <br>
        Bare win32 cross compiler
    </li>
    <li>
        <a href="https://admin.fedoraproject.org/pkgdb/packages/mingw*/">Fedora MinGW packages</a>
        <br>
        Win32 cross compiling packages by Fedora
    </li>
    <li>
        <a href="https://msys2.github.io/">MSYS2</a>
        <br>
        Win32/64 ports of many free software packages
    </li>
    <li>
        <a href="https://gnuwin32.sourceforge.io/">GnuWin32</a>
        <br>
        Win32 ports of many free software packages
    </li>
    <li>
        <a href="http://www.sandroid.org/imcross/">IMCROSS</a>
        <br>
        Another project with similar goal
    </li>
    <li>
        <a href="https://www.libsdl.org/extras/win32/cross/README.txt">MinGW cross-compiler build script</a>
        <br>
        Old script provided by the
        <a href="https://www.libsdl.org/">SDL project</a>
    </li>
    <li>
        <a href="https://comments.gmane.org/gmane.comp.gnu.octave.maintainers/30358">mxe-octave</a>
        <br>
        Fork of MXE specialized on building
        <a href="https://www.gnu.org/software/octave/">GNU Octave</a>
    </li>
    <li>
        <a href="https://software.opensuse.org/search?q=mingw&baseproject=openSUSE%3A13.2&search_devel=false&search_unsupported=false">openSUSE MinGW packages</a>
        <br>
        Win32 cross compiling packages by openSUSE
    </li>
    <li>
        <a href="http://win-builds.org/">Win-builds</a>
        <br>
        Creates binary packages, runs on both Linux and Windows
    </li>
    </ul>
</div>

<div class="section">
<h2 id="used-by">Projects which use MXE (alphabetical order)</h2>

    <ul class="compact-list">
    <li>
        <a href="https://sourceforge.net/projects/aorta/">Aorta</a>
    </li>
    <li>
        <a href="https://github.com/zer0main/battleship">Battleship game</a>
    </li>
    <li>
        <a href="https://bino3d.org/">Bino</a>
    </li>
    <li>
        <a href="https://biosig.sourceforge.io/">BioSig</a>
    </li>
    <li>
        <a href="http://en.cataclysmdda.com/">Cataclysm: Dark Days Ahead</a>
    </li>
    <li>
        <a href="https://cvtool.sourceforge.io/">cvtool</a>
    </li>
    <li>
        <a href="http://www.qtrac.eu/diffpdf.html">DiffPDF</a>
    </li>
    <li>
        <a href="https://www.digikam.org/">digiKam</a>
    </li>
    <li>
        <a href="https://github.com/eiskaltdcpp/eiskaltdcpp">EiskaltDC++</a>
    </li>
    <li>
        <a href="http://www.ros.org/wiki/eros">Eros</a>
    </li>
    <li>
        <a href="http://www.nongnu.org/galois/">Galois</a>
    </li>
    <li>
        <a href="http://gcompris.net/">GCompris</a>
    </li>
    <li>
        <a href="http://www.nongnu.org/gta/">Generic Tagged Arrays</a>
    </li>
    <li>
        <a href="https://www.gnu.org/software/freedink/">GNU FreeDink</a>
    </li>
    <li>
        <a href="http://ifwiki.org/index.php/Hugor">Hugor</a>
    </li>
    <li>
        <a href="https://krita.org/">Krita</a>
    </li>
    <li>
        <a href="https://lightspark.github.io/">Lightspark</a>
    </li>
    <li>
        <a href="https://alephone.lhowon.org/">Marathon Aleph One</a>
    </li>
    <li>
        <a href="https://www.maxr.org/">Mechanized Assault and eXploration Reloaded</a>
    </li>
    <li>
        <a href="https://www.bunkus.org/videotools/mkvtoolnix/">MKVToolNix</a>
    </li>
    <li>
        <a href="https://mpop.sourceforge.io/">mpop</a>
    </li>
    <li>
        <a href="https://msmtp.sourceforge.io/">msmtp</a>
    </li>
    <li>
        <a href="http://www.openscad.org/">OpenSCAD</a>
    </li>
    <li>
        <a href="https://pdfgrep.org/">Pdfgrep</a>
    </li>
    <li>
        <a href="https://www.pokerth.net/">PokerTH</a>
    </li>
    <li>
        <a href="https://pushover.sourceforge.io/">Pushover</a>
    </li>
    <li>
        <a href="https://qtads.sourceforge.io/">QTads</a>
    </li>
    <li>
        <a href="https://github.com/sibuserv/sibuserv">Sibuserv</a>
    </li>
    <li>
        <a href="https://sigrok.org/">sigrok</a>
    </li>
    <li>
        <a href="http://spek-project.org/">Spek</a>
    </li>
    <li>
        <a href="https://springrts.com/">Spring RTS</a>
    </li>
    <li>
        <a href="https://subsurface-divelog.org/">Subsurface</a>
    </li>
    <li>
        <a href="https://thebeez.home.xs4all.nl/4tH/">The 4tH Compiler</a>
    </li>
    <li>
        <a href="https://www.tug.org/texworks/">TeXworks</a>
    </li>
    <li>
        <a href="https://toppler.sourceforge.io/">Tower Toppler</a>
    </li>
    <li>
        <a href="https://tux4kids.alioth.debian.org/tuxtype/">Tux Typing</a>
    </li>
    <li>
        <a href="https://tux4kids.alioth.debian.org/tuxmath/">Tux Math</a>
    </li>
    <li>
        <a href="http://ph.on.things.free.fr/projects/ube/">Ube</a>
    </li>
    <li>
        <a href="http://ufoai.org/">UFO: Alien Invasion</a>
    </li>
    <li>
        <a href="https://violetland.github.io/">Violetland</a>
    </li>
    <li>
        <a href="https://wz2100.net/">Warzone 2100</a>
    </li>
    <li>
        <a href="https://sourceforge.net/projects/xfemm/">xfemm</a>
    </li>
    </ul>
</div>

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generated by cgit v0.12 at 2024-06-01 21:23:10 (GMT)