[bug #66504] [gropdf] build failure on Solaris 10

[G. Branden Robinson]

Follow-up Comment #6, bug #66504 (group groff):

Hi Deri,

At 2024-12-03T11:50:50-0500, Deri James wrote:
> Follow-up Comment #4, bug #66504 (group groff):
>
> Hi Branden,
>
> Please can you test this patch on your Solaris.

With this patch, we can complete a build on Solaris 10!  :D

Now for the less good news.

I get repeated sequences of warnings from Perl when gropdf is used.


  GROFF    contrib/mom/examples/mom-pdf.pdf
gropdf: warning: Perl module 'Compress::Zlib' not available; cannot compress
this PDF
Use of uninitialized value in length at
/home/gbranden/groff-1.23.0.2583-0f0e1/gropdf line 2028, <> line 97.
Use of uninitialized value in length at
/home/gbranden/groff-1.23.0.2583-0f0e1/gropdf line 2030, <> line 97.
Use of uninitialized value in length at
/home/gbranden/groff-1.23.0.2583-0f0e1/gropdf line 2046, <> line 97.


It's basically these, over and over again.

I'm not bothered about the 'Compress::Zlib' thing; it explains itself.

Here's the relevant code for the others:


$ nl -ba ./gropdf | sed -n '2028,2046p'
  2028                      $St=$xprm[4] if length($xprm[4]);
  2029
  2030                      if (!defined($S) and !length($P))
  2031                      {
  2032                          $P=' ';
  2033                      }
  2034
  2035                      if ($St and $St!~m/^-?\d+$/)
  2036                      {
  2037                          Warn("Page numbering start '$St' must be
numeric");
  2038                          return;
  2039                      }
  2040
  2041                      $cat->{PageLabels}={Nums => []} if
!exists($cat->{PageLabels});
  2042
  2043                      my $label={};
  2044                      $label->{S} = "/$S" if $S;
  2045                      $label->{P} = "($P)" if length($P);
  2046                      $label->{St} = $St if length($St);


The second problem is that some tests fail.  One of these looks related
to this ticket:


$ ./tmac/tests/pdfpic_does-not-choke-on-bad-pdfinfo-output.sh
Sequence (?<w...) not recognized in regex; marked by <-- HERE in
m/Page\s+size:\s+(?<w <-- HERE >[\d.]+)\sx\s(?<h>[\d.]+)/ at -e line 1.
Sequence (?<w...) not recognized in regex; marked by <-- HERE in
m/(?:(?:[,=A-Z]|JP2) (?<w <-- HERE
>\d+)\s*x\s*(?<h>\d+))|(?:height=(?<h>\d+).+width=(?<w>\d+))/ at -e line 1.
pdfpic.tmac:<standard input>:5: error: retrieval of
'./doc/gnu-no-choke-on-pdfinfo.pdf' image dimensions failed; skipping


Maybe pdfpic.tmac needs regex backporting as well?



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