odd bug, VMS 7.1/alpha, GCG 8.1, MAP

mathog at seqaxp.bio.caltech.edu mathog at seqaxp.bio.caltech.edu
Thu May 21 16:45:59 EST 1998


Anybody else out there still running GCG 8.1 - on OpenVMS 7.1 (alpha)?

I've hit a very odd bug, not quite sure in what (GCG, compiler, linker, VMS?).
Can anybody else verify this behavior?

$ for/Align/Extend_Source/NoList/Warning=All gensource:map.for
$ sharelink map
$ mmm:==$current_disk:[current_directory]map.exe

The resulting MAP will work perfectly well for just about everything.  But 
it messes up on:

$ mmm/infile=ref:refer_0001/enzyme=noti/default

 *** MAP requires an input file! ***

If I link the old map.obj from  PRGDISK:[GCG.GCGBIN.OBJECT]map.obj by
explicitly expanding the sharelink as:


that one does not give the error message  Just to make life *really*
interesting, when I've rebuilt any other program which uses CLGETOLDFNAME
(the immediate cause of this error message), REFORMAT, for instance, the
/DEFAULT qualifier doesn't trigger this bug.  So it seems that there is
some subtle difference between the .obj files produced for MAP with the
current compiler (DIGITAL Fortran 77 X7.1-156) and some previous version
which has an obscure interaction with the GCG libraries. 

Anybody else seen this?  Did you find a solution?


David Mathog
mathog at seqaxp.bio.caltech.edu
Manager, sequence analysis facility, biology division, Caltech 
*   Affordable VMS? See:  http://seqaxp.bio.caltech.edu/www/pcvms.html   *

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