[Bug 1165014] Re: libsdl1.2-dev:i386 cannot be installed on 64-bit systems

[Colsta]

OK - I wasn't aware the package status was arch:all as I was simply
going on results.  I couldn't cross-compile with libsdl1.2-dev alone as
it kept complaining about missing SDL libraries.  This was also true of
other libraries until I explicitly installed their 32 bit counterparts
(below):

ia32-libs-multiarch libsdl1.2debian:i386 libgtk2.0-0:i386 libsdl-
image1.2:i386 libsdl-ttf2.0-0:i386 libglu1-mesa:i386 libopenal-dev:i386
libsndfile1-dev:i386 libxcursor-dev:i386 libelf-dev:i386 libx11-dev:i386

These all installed without any complaints and stopped the compile rejecting on missing libraries.  Essentially libsdl1.2-dev:i386 was the last required to complete the task (according to the error messages) but when I tried to install it it wanted to uninstall half my system.  So the question is why would it be requested if it wasn't required and secondly why would half the system need to be uninstalled when all the other :i386 libs installed without issue?
Thank you.

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https://bugs.launchpad.net/bugs/1165014

Title:
  libsdl1.2-dev:i386 cannot be installed on 64-bit systems

Status in “apt” package in Ubuntu:
  New

Bug description:
  Platform:
  Ubuntu Precise 12.04.2 LTS 3.2.0-39-generic #62-Ubuntu SMP Thu Feb 28 00:28:53 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

  Reference:
  I also refer you to bug #1068374 which is very similar in behaviour.

  Behaviour:
  When I try to bring in libsdl1.2-dev:i386, apt wants to uninstall half my system!

  Expectation:
  I would expect the library to be installed seamlessly along with the other i386 libraries I had already obtained.

  Detail:
  I was in the throes of installing Neverwinter Nights game natively under linux using instructions found on "http://ubuntuforums.org/showthread.php?t=113259" and on
  "http://social.bioware.com/forum/Neverwinter-Nights-1/NwN-1-Technical-Support-Self-help-for-all-versions-and-expansions/nwmouse-and-friends-64bit-linux-5212955-1.html".  
  I wanted this package to cross-compile the nwmouse.so component to assist with the installation of a hardware mouse within the game.

  Additional:
  Using the instructions for further information requested in bug #1068374 I've already attached the output for further analysis.

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