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Re: DECC$features question

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On Tue, 2015-11-03 at 15:56 +0000, Craig A. Berry wrote:
> 
> 
> 
> On Nov 03, 2015, at 08:01 AM, "Brian Schenkenberger, VAXman-"
> <system@TMESIS.COM> wrote:
> 
> > I have created a callable Perl routine. I need to have the DECC
> > $feature
> > DECC$FILENAME_UNIX_REPORT enabled for Excel::Writer::XLSX to for
> > proper
> > functioning.
> > 
> > Why does calling DECC$FEATURE_SET to establish DECC
> > $FILENAME_UNIX_REPORT
> > not cause Perl to use/see this feature setting but the definition of
> > the 
> > DECC$FILENAME_UNIX_REPORT logical does?
> > 
> 
> 
> I understand why it doesn't work but I'm not sure what to do about it.
> At start-up time, via a LIB$INITIALIZE psect, we capture feature
> settings from the environment and/or set some defaults.  For certain
> features, we save the setting in a global variable.  Here's where the
> setting of DECC$FILENAME_UNIX_REPORT is stored:
> 
> 
> 
> http://perl5.git.perl.org/perl.git/blob/HEAD:/vms/vms.c#l14044
> 
> 
> 
> I think part of the reason for this was so we don't have to call decc
> $feature_get all over the place to check the setting, but I also think
> at one time we supported some features in Perl that older CRTLs didn't
> (yet) have.  John Malmberg designed all this and at one time planned
> to have a VMS::Feature Perl module that would allow you to get and set
> these features, but he never implemented it.
> 
> 
> 
> So I think the only choice right now is to get the setting in the
> environment before Perl starts up.
> 
Yeah, I wasn't going to let this delay the project any longer than it's
already been.  I left the DECC$FEATURE_SET in the code but I also do a
SYS$CRELNM to create a user mode definition of DECC$FILENAME_UNIX_REPORT
translating to ENABLED.

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Re: DECC$features question VAXman@tmesis.com (Brian Schenkenberger) - 2015-11-03 11:33 -0500

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