| Re: DLMs & IRIX [message #19752 is a reply to message #19685] |
Fri, 14 April 2000 00:00   |
mallors
Messages: 76
Registered: November 1997
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Member |
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In article <38F74A43.CD541F69@ion.le.ac.uk>,
Nigel Wade <nmw@ion.le.ac.uk> writes:
> "Robert S. Mallozzi" wrote:
>>
>> Hi all,
>>
>> Does anyone have any experience using DLMs under
>> IRIX 6.5? I have a DLM that works fine under Linux,
>> but fails under IRIX. I then tried the IDL example
>> called "testmodule" that comes with the distribution,
>> and it fails with the same error under IRIX - the
>> DLM cannot be loaded:
>> [ example cut ]
>
> It's most likely the SGI ABI problem.
>
> IDL used to be a o32 binary, so any external code had to be built
> using the -o32 compiler flag. I cannot remember which version
> was the first to become N32, 5.1 was o32 and 5.2.1 is n32, but I
> don't know what 5.2 is.
>
> You can check by the command :
> file /usr/local/rsi/idl_5.2/bin/bin.sgi/idl
>
> If is is listed as ELF 32-bit MSB then you need to build the DLMs
> with the -o32 flag.
>
> All I had to change to build the testmodule DLM was to change the
> IRIX to IRIX64 in the Makefile. My default compiler options are
> abi=n32:isa=mips3:proc=r4k and this worked with IDL 5.2.1.
Thank you sir, that did it. IDL 5.2 is o32, so adding the -o32
flag to the compiler and linker did the trick.
-bob
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~
Robert S. Mallozzi 256-544-0887
Mail Code SD 50
http://gammaray.msfc.nasa.gov/ Marshall Space Flight Center
http://cspar.uah.edu/~mallozzir/ Huntsville, AL 35812
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