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From: Tijl Coosemans <tijl@ulyssis.org>
To: Stephen Montgomery-Smith <stephen@math.missouri.edu>
Date: Sat, 10 Nov 2007 17:10:45 +0100
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Cc: freebsd-emulation@freebsd.org, freebsd-stable@freebsd.org
Subject: Re: Trouble running Mathematica
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On Saturday 10 November 2007 16:16:40 Stephen Montgomery-Smith wrote:
> When I run Mathematica 5.2 on FreeBSD RELENG_7 I get the following
> message:
> 
> /usr/local/mma52/SystemFiles/Kernel/Binaries/Linux/MathKernel: error
> while loading shared libraries: /usr/lib/librt.so.1: ELF file OS ABI
> invalid

If you have linux_base-fc4, creating the following link should fix it:

ln -s ../../lib/librt-2.3.6.so /compat/linux/usr/lib/librt.so.1

This is something that should have been added to the linux_base-fc4
package long time ago, but I guess it got lost. CC'ed to maintainer.
The same error appears when you run /compat/linux/bin/ls.