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+====== Sim City 3000: Unlimited ======
+SC3U is by far the most difficult of these old games to run on modern system.
+===== Install & patch the game =====
+To install the game, mount your CD & run the installer with ''linux32'' from the ''util-linux'' package :
+<code>
+# mount /dev/cdrom /media/cdrom
+$ linux32 bash /media/cdrom/setup.sh
+</code>
+Apply the last released [[https://ftp.lokigames.twolife.be/pub/updates/sc3u/sc3u-2.0a-x86.run|patch]] :
+<code>
+$ linux32 bash sc3u-2.0a-x86.run
+</code>
+Patch the binaries to use (system provided) SDL1.2 instead of the bundled SDL1.1
+<code>
+cd <installation-directory>
+$ patchelf --replace-needed libSDL-1.1.so.0 libSDL-1.2.so.0 sc3u.dynamic
+$ patchelf --replace-needed libSDL-1.1.so.0 libSDL-1.2.so.0 sc3bat.dynamic
+</code>
+===== Libs =====
+<code>
+# apt-get install libsmpeg0:i386
+</code>
+==== libopenal-0.0.so ====
+The dynamically linked version of the binaries requires a //very// old ''libopenal-0.0.so'', with a specific ABI, released in 2000. I can't even find source code for a such ancien version.
+All I could find is a binary version bundled at [[https://www.improbability.net/loki/loki_compat_libs-1.5.tar.bz2|https://www.improbability.net/loki/]]. This version cames from the original UT99 release.
+<code>
+LD_LIBRARY_PATH="./" ./sc3u.dynamic
+</code>
+==== undefined symbol ====
+''./sc3u.dynamic'' greets you with //"undefined symbol: __ti9exception"//
+The missing function can be found in a //very// old ''libstdc++'', you can use ''libstdc++-3-libc6.2-2-2.10.0.so'' from [[https://www.improbability.net/loki/loki_compat_libs-1.5.tar.bz2|https://www.improbability.net/loki/]]
+===== Segmentation fault =====
+Now that we have all the old libs required, you would think "OK let's run it!" and try:
+<code>
+LD_LIBRARY_PATH="./" LD_PRELOAD="./libstdc++-3-libc6.2-2-2.10.0.so" ./sc3u.dynamic
+</code>
+but all you will get is //“Segmentation fault”//
+Very short story: the game need another serie of tricks to run with a modern glibc.
+You need to use a little [[https://github.com/twolife/sc3u-nptl/|shim]] that hijack the //pthread_kill()// function and does some magic.
+Now you can start the game:
+<code>
+LD_LIBRARY_PATH="./" LD_PRELOAD="./sc3u-nptl.so:./libstdc++-3-libc6.2-2-2.10.0.so" ./sc3u.dynamic
+</code>
+If you are interested by all the gory details, I encourage you to read the comments in the sourcecode https://github.com/twolife/sc3u-nptl/blob/main/sc3u-nptl.c