[racket] can't run drracket in xubuntu 12.04

? 2012?02?20? 00:25, Bill Markmann ??:
> I haven't run into that with DrRacket under xubuntu, but two things to 
> check:
>
> - if you do a 'sudo apt-get install -s libjpeg'... what is the response?
> - cd into /usr/lib and do 'ls -l *.jpeg*' and see what you get; mine 
> (under xubuntu) looks like:
>
> bill at cheese:/usr/lib$ ls -l *jpeg*
> -rw-r--r-- 1 root root 223014 2010-05-09 12:24 libjpeg.a
> -rw-r--r-- 1 root root    941 2010-05-09 12:24 libjpeg.la 
> <http://libjpeg.la>
> lrwxrwxrwx 1 root root     17 2011-11-17 13:07 libjpeg.so -> 
> libjpeg.so.62.0.0
> lrwxrwxrwx 1 root root     17 2011-03-11 07:23 libjpeg.so.62 -> 
> libjpeg.so.62.0.0
> -rw-r--r-- 1 root root 146032 2010-05-09 12:24 libjpeg.so.62.0.0
> lrwxrwxrwx 1 root root     16 2011-04-04 22:13 libjpeg.so.8 -> 
> libjpeg.so.8.0.2
> -rw-r--r-- 1 root root 231640 2010-05-20 19:52 libjpeg.so.8.0.2
> -rw-r--r-- 1 root root 132632 2009-04-30 02:24 libopenjpeg-2.1.3.0.so 
> <http://libopenjpeg-2.1.3.0.so>
> lrwxrwxrwx 1 root root     22 2011-04-09 11:57 libopenjpeg.so.2 -> 
> libopenjpeg-2.1.3.0.so <http://libopenjpeg-2.1.3.0.so>
>
> If you have libjpeg installed (check the first step), then it's very 
> likely your symlinks under /usr/lib are screwy for some reason... if 
> that's the case fixing without breaking other stuff is the trick (my 
> guess is you'll just need to do 'sudo ln -s ./libjpeg.so.62.0.0 
> ./libjpeg.so.62' in that directory, but that's just a guess....  I've 
> never fully understood the logic behind how library versioned / 
> named-linked are supposed to work, but tinkering around will either 
> lead you to success or an unusable system... :-)
>
> On Sun, Feb 19, 2012 at 10:44 AM, rrandom <emanonhere at gmail.com 
> <mailto:emanonhere at gmail.com>> wrote:
>
>     i can't run drracket in xubuntu 12.04.
>     when i typed drracket in terminal,this message showed:
>
>     rrandom at rrandom-ThinkPad-Edge:~$ drracket
>     ffi-lib: couldn't open "libjpeg.so.62" (libjpeg.so.62: cannot open
>     shared object file: No such file or directory)
>
>     === context ===
>     /usr/share/racket/collects/racket/draw/unsafe/jpeg.rkt: [running body]
>     /usr/share/racket/collects/racket/draw/private/bitmap.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/racket/draw/private/dc.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/racket/draw/private/svg-dc.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/racket/draw.rkt: [traversing imports]
>     /usr/share/racket/collects/mred/private/kernel.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/mred/private/const.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/mred/private/check.rkt: [traversing
>     imports]
>     /usr/share/racket/collects/mred/private/mred.rkt: [traversing imports]
>     /usr/share/racket/collects/mred/mred.rkt: [traversing imports]
>     /usr/share/racket/collects/mred/main.rkt: [traversing imports]
>     /usr/share/racket/collects/racket/gui/base.rkt: [traversing imports]
>     /usr/share/racket/collects/drracket/drracket.rkt: [traversing imports]
>
>
>     can anybody help me?
>
>
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>
>
thank you.it's exact what you said.
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