| Call_External on SGI (IRIX6.3) [message #16394] |
Thu, 22 July 1999 00:00 |
Richard Tyc
Messages: 69
Registered: June 1999
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Member |
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I am having trouble with getting a simple example to work on our SGI O2
with IRIX 6.3. We are using IDL 5.2
I am trying the simple example on pg 108 of the external development
guide
I have compiled example.c using gcc
gcc -fpic -c example.c
Note: the book indicates using option -fsingle - what is this ? it is
not part of gcc
I then create the shared object using ld
ld -shared -n32 -o example.so example.o
Note: -assert pure-text is not valid - what is this ?
When I try to run this in IDL as indicated on the bottom of pg 108, I
get
IDL> s =
call_external('example.so','_sum_array',x,n_elements(x),/f_v alue)
% CALL_EXTERNAL: Error loading sharable executable.
Symbol: _sum_array, File = example.so
5050:/usr/local/rsi/idl_5.2/bin/bin.sgi/idlde: rld:
Fatal Error: cannot successfully map soname 'example.so' under any of
the filenames
./example.so:/usr/local/rsi/idl_5.2/bin/bin.sgi/example.so:/ usr/lib/example.so:/usr/local/rvplayer5.0/example.so:/lib/ex ample.so:/lib/cmplrs/cc/example.so:/usr/lib/cmplrs/cc/exampl e.so:
% Execution halted at: $MAIN$
I have tried putting example.so in one of the directories listed
(/usr/lib) with no help.
Is there a problem with using n32 code (I can't link using the older
o32)
I have also tried using 'sum_array' instaed to no avail.
Any ideas
Rich
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