R devel - Sep 2001 - Solution to (well known) problem with Rdconv.pm on Sun Solaris (PR#1093)

Full_Name: Henrik Bengtsson
Version: 1.3.1
OS: Sun Solaris 8
Submission from: (NULL) (130.235.3.49)


I have been trying to install [R] v1.3.1 locally on a Sun Solaris 8 machine and
I ran into the (already known) perl problems that express theselves as:

Bare word found where operator expected at
/usr/matcent/hb/R/R-1.3.1/share/perl/R/Rdconv.pm line 1390, near "$txtout
mywrap"
        (Missing operator before mywrap?)
Bare word found where operator expected at
/usr/matcent/hb/R/R-1.3.1/share/perl/R/Rdconv.pm line 1405, near "$txtout
txt_header"
        (Missing operator before txt_header?)
Bare word found where operator expected at
/usr/matcent/hb/R/R-1.3.1/share/perl/R/Rdconv.pm line 1420, near "$txtout
txt_header"
        (Missing operator before txt_header?)
Bare word found where operator expected at
/usr/matcent/hb/R/R-1.3.1/share/perl/R/Rdconv.pm line 1448, near "$txtout
txt_header"
        (Missing operator before txt_header?)
Bare word found where operator expected at
/usr/matcent/hb/R/R-1.3.1/share/perl/R/Rdconv.pm line 1491, near "$txtout
txt_header"
        (Missing operator before txt_header?)

I searched the web for solutions and found Brian Ripley's suggestion one of
the
replies to "Re: [Rd] several documentation problems (PR#675)". There
he
suggested to add a '&' infront of 'mywrap' and
'txt_header'; "Another guess is
that it might require &mywrap there.". I tried this and it works. I
also tried
the alternative to add parentesis around the function calls, which also seemed
to work. 

My suggestion is to add this to Rdconv.pm at the 5 lines above. This would make
the building of [R] a little bit easier.


Perl version used: 

"This is perl, version 5.003 with EMBED built under solaris at Sep 14 1996
22:39:00 + suidperl security patch". 

This is the version of perl installed on a brand new (2001-09-10) Sun
SunBlade100 Solaris machine.

[R] version: Trying to install R v1.3.1.


Regards

Henrik Bengtsson
Lund University
Sweden

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On Sat, 15 Sep 2001 hb@maths.lth.se wrote:
> Full_Name: Henrik Bengtsson
> Version: 1.3.1
> OS: Sun Solaris 8
> Submission from: (NULL) (130.235.3.49)
>
>
> I have been trying to install [R] v1.3.1 locally on a Sun Solaris 8 machine
and
> I ran into the (already known) perl problems that express theselves as:
[...]
> My suggestion is to add this to Rdconv.pm at the 5 lines above. This would
make
> the building of [R] a little bit easier.
>
>
> Perl version used:
>
> "This is perl, version 5.003 with EMBED built under solaris at Sep 14
1996
                                                                       
^^^^
> 22:39:00 + suidperl security patch".
It was a bug in one version of perl around five years ago.  Incidentally,
it must have been built under a much older version of Solaris (as I recall
2.6 came out in 1998: certainly we first used it in late 1998), and
we find it is a good idea to rebuild perl at Solaris upgrades, especially
upgrading from 2.5.x.

We don't know (and don't have the resources to check) if the changed
version works on all more recent perl versions in use by R installers.

I do believe the solution is well-known: use perl 5.005, 5.6.0 or
(preferably) 5.6.1.  Perhaps we should test for perl >= 5.005?

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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