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<div class="document" id="compiling-dfhack">
<h1 class="title">Compiling DFHACK</h1>
<div class="section" id="here-s-how-you-build-dfhack">
<h1><a class="toc-backref" href="#id2">Here's how you build dfhack!</a></h1>
<div class="contents topic" id="contents">
<p class="topic-title first">Contents</p>
<ul class="simple">
<li><a class="reference internal" href="#here-s-how-you-build-dfhack" id="id2">Here's how you build dfhack!</a><ul>
<li><a class="reference internal" href="#dependencies" id="id3">Dependencies</a></li>
<li><a class="reference internal" href="#building-on-linux" id="id4">Building on Linux</a></li>
<li><a class="reference internal" href="#building-on-windows" id="id5">Building on Windows</a><ul>
<li><a class="reference internal" href="#using-mingw" id="id6">Using mingw</a><ul>
<li><a class="reference internal" href="#building" id="id7">Building</a></li>
</ul>
</li>
<li><a class="reference internal" href="#using-msvc" id="id8">Using MSVC</a></li>
<li><a class="reference internal" href="#using-some-other-compiler" id="id9">Using some other compiler</a></li>
</ul>
</li>
<li><a class="reference internal" href="#build-targets" id="id10">Build targets</a></li>
<li><a class="reference internal" href="#build-types" id="id11">Build types</a></li>
</ul>
</li>
<li><a class="reference internal" href="#using-the-library-as-a-developer" id="id12">Using the library as a developer</a><ul>
<li><a class="reference internal" href="#contributing-to-dfhack" id="id13">Contributing to DFHack</a><ul>
<li><a class="reference internal" href="#coding-style" id="id14">Coding style</a></li>
<li><a class="reference internal" href="#how-to-get-new-code-into-dfhack" id="id15">How to get new code into DFHack</a></li>
<li><a class="reference internal" href="#layout-for-tools" id="id16">Layout for tools</a></li>
<li><a class="reference internal" href="#modules-what-are-they" id="id17">Modules - what are they?</a></li>
<li><a class="reference internal" href="#id1" id="id18">Dependencies</a><ul>
<li><a class="reference internal" href="#current-internal-dependencies" id="id19">Current internal dependencies</a></li>
<li><a class="reference internal" href="#current-external-dependencies" id="id20">Current external dependencies</a></li>
<li><a class="reference internal" href="#build-time-dependencies" id="id21">Build-time dependencies</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
<li><a class="reference internal" href="#memory-offset-definitions" id="id22">Memory offset definitions</a></li>
</ul>
</div>
<div class="section" id="dependencies">
<h2><a class="toc-backref" href="#id3">Dependencies</a></h2>
<ul class="simple">
<li><tt class="docutils literal">cmake</tt></li>
<li>A compiler for building the main lib and the various tools.</li>
<li>(Linux only) Veinlook requires the wide-character ncurses library (libncursesw)</li>
<li>(Linux only) You'll need X11 dev libraries.</li>
</ul>
</div>
<div class="section" id="building-on-linux">
<h2><a class="toc-backref" href="#id4">Building on Linux</a></h2>
<p>To run in the output folder (without installing) building the library
is simple. Enter the build folder, run the tools. Like this:</p>
<pre class="literal-block">
cd build
cmake .. -DCMAKE_BUILD_TYPE:string=Release
make
</pre>
<p>This will build the library and its tools and place them in a sub-directory <tt class="docutils literal">bin</tt> inside your build directory.</p>
<p>Alternatively, you can use ccmake instead of cmake:</p>
<blockquote>
cd build
ccmake ..
make</blockquote>
<p>This will show a curses-based interface that lets you set all of the
extra options.</p>
<p>You can also use a cmake-friendly IDE like KDevelop 4 or the cmake-gui
program.</p>
<p>To be installed into the system or packaged:</p>
<pre class="literal-block">
cd build
cmake -DCMAKE_BUILD_TYPE:string=Release \
-DCMAKE_INSTALL_PREFIX=/usr \
-DMEMXML_DATA_PATH:path=/usr/share/dfhack ..
make
make install
</pre>
<p>With this dfhack installs:</p>
<ul class="simple">
<li>library to <tt class="docutils literal">$CMAKE_INSTALL_PREFIX/lib</tt></li>
<li>executables to <tt class="docutils literal">$CMAKE_INSTALL_PREFIX/bin</tt></li>
<li>The <tt class="docutils literal">Memory.xml</tt> file to <tt class="docutils literal">/usr/share/dfhack</tt></li>
</ul>
</div>
<div class="section" id="building-on-windows">
<h2><a class="toc-backref" href="#id5">Building on Windows</a></h2>
<p>You need <tt class="docutils literal">cmake</tt>. Get the win32 installer version from the official
site: <a class="reference external" href="http://www.cmake.org/cmake/resources/software.html">http://www.cmake.org/cmake/resources/software.html</a></p>
<p>It has the usual installer wizard thing.</p>
<div class="section" id="using-mingw">
<h3><a class="toc-backref" href="#id6">Using mingw</a></h3>
<p>You also need a compiler. I build dfhack using mingw. You can get it
from the mingw site: <a class="reference external" href="http://www.mingw.org/">http://www.mingw.org/</a></p>
<p>Get the automated installer, it will download newest version of mingw
and set things up nicely.</p>
<p>You'll have to add <tt class="docutils literal"><span class="pre">C:\MinGW\</span></tt> to your PATH variable.</p>
<div class="section" id="building">
<h4><a class="toc-backref" href="#id7">Building</a></h4>
<p>open up cmd and navigate to the <tt class="docutils literal">dfhack\build</tt> folder, run <tt class="docutils literal">cmake</tt>
and the mingw version of make:</p>
<pre class="literal-block">
cd build
cmake .. -G&quot;MinGW Makefiles&quot; -DCMAKE_BUILD_TYPE:string=Release
mingw32-make
</pre>
</div>
</div>
<div class="section" id="using-msvc">
<h3><a class="toc-backref" href="#id8">Using MSVC</a></h3>
<p>open up <tt class="docutils literal">cmd</tt> and navigate to the <tt class="docutils literal">dfhack\build</tt> folder, run
<tt class="docutils literal">cmake</tt>:</p>
<pre class="literal-block">
cd build
cmake ..
</pre>
<p>This will generate MSVC solution and project files.</p>
<div class="note">
<p class="first admonition-title">Note</p>
<p class="last">You are working in the <tt class="docutils literal">/build</tt> folder. Files added to
2010-08-12 19:31:05 -06:00
projects from within MSVC will end up there! (and that's
wrong). Any changes to the build system should be done
by changing the CMakeLists.txt files and running <tt class="docutils literal">cmake</tt>!</p>
</div>
</div>
<div class="section" id="using-some-other-compiler">
<h3><a class="toc-backref" href="#id9">Using some other compiler</a></h3>
<p>I'm afraid you are on your own. dfhack wasn't tested with any other
compiler.</p>
<p>Try using a different cmake generator that's intended for your tools.</p>
</div>
</div>
<div class="section" id="build-targets">
<h2><a class="toc-backref" href="#id10">Build targets</a></h2>
<p>dfhack has a few build targets:</p>
2010-08-09 17:21:47 -06:00
<ul>
<li><p class="first">If you're only after the library run <tt class="docutils literal">make dfhack</tt>.</p>
</li>
<li><p class="first"><tt class="docutils literal">make</tt> will build everything.</p>
</li>
<li><p class="first"><tt class="docutils literal">make expbench</tt> will build the expbench testing program and the
library.</p>
</li>
<li><p class="first">Some of the utilities and the doxygen documentation won't be
normally built. You can enable them by specifying some extra
CMake variables:</p>
<pre class="literal-block">
BUILD_DFHACK_DOCUMENTATION - generate the documentation (really bad)
BUILD_DFHACK_EXAMPLES - build tools from tools/examples
BUILD_DFHACK_PLAYGROUND - build tools from tools/playground
</pre>
<p>Example:</p>
<pre class="literal-block">
cmake .. -DBUILD_DFHACK_EXAMPLES=ON
</pre>
</li>
</ul>
</div>
<div class="section" id="build-types">
<h2><a class="toc-backref" href="#id11">Build types</a></h2>
<p><tt class="docutils literal">cmake</tt> allows you to pick a build type by changing this
variable: <tt class="docutils literal">CMAKE_BUILD_TYPE</tt></p>
<pre class="literal-block">
cmake .. -DCMAKE_BUILD_TYPE:string=BUILD_TYPE
</pre>
<p>Without specifying a build type or 'None', cmake uses the
<tt class="docutils literal">CMAKE_CXX_FLAGS</tt> variable for building.</p>
<p>Valid an useful build types include 'Release', 'Debug' and
'RelWithDebInfo'. There are others, but they aren't really that useful.</p>
<p>Have fun.</p>
</div>
</div>
<div class="section" id="using-the-library-as-a-developer">
<h1><a class="toc-backref" href="#id12">Using the library as a developer</a></h1>
<p>DFHack is using the zlib/libpng license. This makes it easy to link to
it, use it in-source or add your own extensions. Contributing back to
the dfhack repository is welcome and the right thing to do :)</p>
<p>Rudimentary API documentation can be built using doxygen.</p>
<div class="section" id="contributing-to-dfhack">
<h2><a class="toc-backref" href="#id13">Contributing to DFHack</a></h2>
<p>Several things should be kept in mind when contributing to DFHack.</p>
<div class="section" id="coding-style">
<h3><a class="toc-backref" href="#id14">Coding style</a></h3>
<p>DFhack uses ANSI formatting and four spaces as indentation. Line
endings are UNIX. The files use UTF-8 encoding. Code not following this
won't make me happy, because I'll have to fix it. There's a good chance
I'll make <em>you</em> fix it ;)</p>
</div>
<div class="section" id="how-to-get-new-code-into-dfhack">
<h3><a class="toc-backref" href="#id15">How to get new code into DFHack</a></h3>
<p>You can send patches or make a clone of the github repo and ask me on
the IRC channel to pull your code in. I'll review it and see if there
are any problems. I'll fix them if they are minor.</p>
<p>Fixes are higher in priority. If you want to work on something, but
don't know what, check out <a class="reference external" href="http://github.com/peterix/dfhack/issues">http://github.com/peterix/dfhack/issues</a> --
this is also a good place to dump new ideas and/or bugs that need
fixing.</p>
</div>
<div class="section" id="layout-for-tools">
<h3><a class="toc-backref" href="#id16">Layout for tools</a></h3>
<p>Tools live in the tools/ folder. There, they are split into three
categories.</p>
<dl class="docutils">
<dt>distributed</dt>
<dd>these tools get distributed with binary releases and are installed
by doing 'make install' on linux. They are supposed to be stable
and supported. Experimental, useless, buggy or untested stuff
doesn't belong here.</dd>
<dt>examples</dt>
<dd>examples are tools that aren't very useful, but show how DF and
DFHack work. They should use only DFHack API functions. No actual
hacking or 'magic offsets' are allowed.</dd>
<dt>playground</dt>
<dd>This is a catch-all folder for tools that aren't ready to be
examples or be distributed in binary releases. All new tools should
start here. They can contain actual hacking, magic values and other
nasty business.</dd>
</dl>
</div>
<div class="section" id="modules-what-are-they">
<h3><a class="toc-backref" href="#id17">Modules - what are they?</a></h3>
<p>DFHack uses modules to partition sets of features into manageable
chunks. A module can have both client and server side.</p>
<p>Client side is the part that goes into the main library and is
generally written in C++. It is exposed to the users of DFHack.</p>
<p>Server side is used inside DF and serves to accelerate the client
modules. This is written mostly in C style.</p>
<p>There's a Core module that shouldn't be changed, because it defines the
basic commands like reading and writing raw data. The client parts for
the Core module are the various implementations of the Process
interface.</p>
<p>A good example of a module is Maps. Named the same in both client and
server, it allows accelerating the reading of map blocks.</p>
<p>Communication between modules happens by using shared memory. This is
pretty fast, but needs quite a bit of care to not break.</p>
</div>
<div class="section" id="id1">
<h3><a class="toc-backref" href="#id18">Dependencies</a></h3>
<dl class="docutils">
<dt>Internal</dt>
<dd>either part of the codebase or statically linked.</dd>
<dt>External</dt>
<dd>linked as dynamic loaded libraries (.dll, .so, etc.)</dd>
</dl>
<p>If you want to add dependencies, think twice about it. All internal
dependencies for core dfhack should be either public domain or require
attribution at most. External dependencies for tools can be either
that, or any Free Software licenses.</p>
<div class="section" id="current-internal-dependencies">
<h4><a class="toc-backref" href="#id19">Current internal dependencies</a></h4>
<dl class="docutils">
<dt>tinyxml</dt>
<dd>used by core dfhack to read offset definitions from Memory.xml</dd>
<dt>md5</dt>
<dd>an implementation of the MD5 hash algorithm. Used for identifying
DF binaries on Linux.</dd>
<dt>argstream</dt>
<dd>Allows reading terminal application arguments. GPL!</dd>
</dl>
</div>
<div class="section" id="current-external-dependencies">
<h4><a class="toc-backref" href="#id20">Current external dependencies</a></h4>
<dl class="docutils">
<dt>wide-character ncurses</dt>
<dd>used for the veinlook tool on Linux.</dd>
<dt>x11 libraries</dt>
<dd>used for sending key events on linux</dd>
</dl>
</div>
<div class="section" id="build-time-dependencies">
<h4><a class="toc-backref" href="#id21">Build-time dependencies</a></h4>
<dl class="docutils">
<dt>cmake</dt>
<dd>you need cmake to generate the build system and some configuration
headers</dd>
</dl>
</div>
</div>
</div>
</div>
<div class="section" id="memory-offset-definitions">
<h1><a class="toc-backref" href="#id22">Memory offset definitions</a></h1>
<p>The files with memory offset definitions used by dfhack can be found in the
data folder.</p>
</div>
</div>
</body>
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