Re: IDL problem under Mandrake Linux

["J.D. Smith" <jdsmith(at)astro.cornell.edu>]

"David G. Grier" wrote:
> 
> Hi All,
> 
>     I've just upgraded my Mandrake Linux distribution to version 7.2 and
> IDL has stopped
> working in a strange and interesting way:
> 
> IDL> help, 2.D
> <Expression>      DOUBLE     =   2.0000000
> IDL> help, 2
> <Expression>       INT               =  0
> IDL> help, 2L
> <Expression>       LONG           =       0
> IDL> x = findgen(100)
> % Array dimensions must be greater than 0.
> % Execution halted at:  $MAIN$
> 
> IDL seems to be having  internal trouble with integer data types,
> setting them all to 0.
> This is the case with both IDL 5.3 and 5.4.  IDL worked fine under
> Mandrake 7.1, suggesting
> that this is a library version incompatibility.   Has anyone else seen
> such behavior, and
> is there a workaround (short of downgrading to 7.1 -- very undesirable)?
> 
>     Thanks in advance,
> 
>         David
> 
> P.S. Mandrake is supposed to be RedHat compatible  -- silence on the
> newsgroup from RedHat 7
> users suggests otherwise.

No such troubles with RH7.0. It's /lib/libc-2.1.94.so, so you might
check if Mandrake uses a substantially updated glibc.

JD


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