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<H1><A HREF="http://www.asc-hq.org">Advanced Strategic Command</A></H1>
<P>documentation<P>
<H2>Linux FAQ</H2>
</CENTER>
<p>
This file describes how to solve potential problems when running the Linux version of
Advanced Strategic Command. For information about compiling and installing the Linux
version of ASC, refer to the <A HREF="install.html">Linux installation</A>. <p>
<HR>
<H3> There is no music playing</h3>
The music must be downloaded separately and placed in a 'music' subdirectory, see the <A HREF="install.html#music">installation instructions</A>.
<H3> The music is correctly installed, but still doesn't play</h3>
<A HREF="http://www.libsdl.org/projects/SDL_mixer/index.html">SDL_mixer</A> can be configured and build with or without mp3 music. To test if it can play mp3 music, run <br><tt>ldd asc</tt><br> and look for <tt>libsmpeg</tt>. If it is missing, you have to rebuild SDL_mixer (not ASC!) with sound:<p>
<tt>
configure --enable-music-mp3 <br>
make <br>
make install<br></tt><p>
SDL_mixer requires the <A HREF="http://freshmeat.net/projects/smpeg/">SMPEG library</A> to decode MP3 files.
<H3> ASC complains it can't load libSDL-1.1.so.0 </h3>
This happens if you haven't got version 1.1.0 or later of SDL installed
on your system. Get it from <A HREF="http://www.libsdl.org">www.libsdl.org</A>
unpack it, and cd into it. ./autogen.sh ; make
then become root and make install.
<H3> ASC complains it can't load libSDL_image-1.0.so.0 </H3>
This happens if you haven't got version 1.1.0 or later of SDL installed
on your system. Get it from :
http://www.libsdl.org/projects/SDL_image/index.html
unpack it, and cd into it. ./autogen.sh ; make
then become root and make install.
<H3> I have installed SDL / SDL_image, but ASC still can't load libSDL-1.1.so.0 or libSDL_image-1.0.so.0 </H3>
You probably don't have /usr/local/lib in your LD_LIBRARY_PATH or
/etc/ld.so.conf. The quick solution is to incant:
export LD_LIBRARY_PATH=/usr/local/lib:$LD_LIBRARY_PATH
or for csh derivatives:
setenv LD_LIBRARY_PATH /usr/local/lib:$LD_LIBRARY_PATH
a more permanent alternative is to add the line:
/usr/local/lib
to /etc/ld.so.conf (you must be root to do this).
<H3> ASC still can't find some library </H3>
Compile ASC from source. It's easy, more robust and has much better diagnostics!
Some instructions (which should usually not be necessary) are <A HREF="install.html">here</A>.
<H3> ASC complains that it can't find SDL_EnableKeyRepeat </H3>
You're running an old version of SDL. See fixes above.
<H3> ASC doesn't run and/or it crashes my X server. </H3>
try running it with the --window flag on the command line.
<H3> ASC runs in fullscreen, but there is a big black border arount the area of the screen </H3>
You must add the resolution that ASC tries to run in (default is 800*600 at the time of writing) to your xf86config.
Your Linux distribution may have a more comfortable way to do this.
On SuSE Linux for example, this can be done with SAX on the
"extended desktop settings" (is this translation from the german SAX the one that is actually used?) page. <p>
Alternatively, you can run ASC in window mode ( --window on the command
line), or change the resolution it uses ( -x and -y command line options)
Type ASC --help for a summary of the command line parameters
<H3> ASC crashes. </H3>
Please send a backtrace to <A HREF="mailto:bugs@asc-hq.org">bugs@asc-hq.org</A>. You must compile ASC from source to do this.<p>
Run "gdb asc"<br>
Type "run" in gdb and reproduce the crash.<br>
type "backtrace" in gdb and send me its output.<p>
If gdb cant find the debug symbols, you must first turn them on and rebuild ASC: <br>
<BLOCKQUOTE><TT>
export CXXFLAGS="-O0 -g3"<br>
configure<br>
make<br>
make install </TT> <i>(if desired)</i>
</BLOCKQUOTE> <p>
Any help about automating this task (like making ASC printing its own backtrace) are appreciated !
<H3> ASC crashes and does not restore the original screen resolution </H3>
To avoid this problem, you can run ASC in windowed mode:<p>
<BLOCKQUOTE><tt>
asc -w
</tt></BLOCKQUOTE><br>
or run it in your default resolution, for example <p>
<BLOCKQUOTE><tt>
asc -x 1152 -y 864
</tt></BLOCKQUOTE><p>
If the resolution has already been changed by ASC crashing, there is a simple
way to restore it to your original settings. Start ASC in your preferred
resolution, like<p>
<BLOCKQUOTE><tt>
asc -x 1152 -y 864
</tt></BLOCKQUOTE><p>
and let it crash again. If it fails to crash, kill it!
<hr>
<h2>Some random notes: </h2>
<ul>
<li><b>Ugrading from versions < 1.2.0 to recent versions:</b><p>
<BLOCKQUOTE>
Since version 1.2.0 ASC looks for all savegames, email files etc. in ~./asc
and writes all files there. If you have previosly run ASC from a different
directory, either move all your files to ~/.asc/ or specify your directory as
searchPath in ~/.asc/ascrc (this file is generated when the new ASC version
is run for the first time). searchPath0 there is the only directory ASC writes
to. If you specify your old directory as searchPath0, all savegames etc. will
still be written there, but if you specified your directory as searchPath5 for
example, ASC will load the files there, but write new ones to searchPath0.
</BLOCKQUOTE>
<li> to run under X in fullscreen mode you need DGA. You may need to upgrade
to the latest Xfree86 to use it.
<li> if it does not work, try running ASC as root. You may need write access
to /dev/mem . <p>
The fullscreen code of SDL was recently enhanced to enable fullscreen
without beeing root. This runs on my system.
<li> frame buffer console usage is entirely untested
</ul>
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