pkg/43991: convertors/help2man build fails on MacOS X 10.4.11

[jdbaker%mylinuxisp.com@localhost]

>Number:         43991
>Category:       pkg
>Synopsis:       convertors/help2man build fails on MacOS X 10.4.11
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Oct 21 02:05:00 +0000 2010
>Originator:     John D. Baker
>Release:        MacOS X 10.4.11 (PPC); pkgsrc-current
>Organization:
>Environment:
Darwin ed.technoskunk.fur 8.11.0 Darwin Kernel Version 8.11.0: Wed Oct 10 
18:26:00 PDT 2007; root:xnu-792.24.17~1/RELEASE_PPC Power Macintosh powerpc

>Description:
Building convertors/help2man on MacOS X 10.4.11 (PPC) fails as follows:

[...]
===> Building for help2man-1.38.2nb1
/usr/pkg/bin/perl help2man.PL --with-gettext
Extracting help2man (with variable substitutions)
gcc -pipe -O2 -I/usr/pkg/include -I/usr/include -o bindtextdomain.so -fPIC 
-shared bindtextdomain.c -lintl 
powerpc-apple-darwin8-gcc-4.0.1: unrecognized option '-shared'
bindtextdomain.c: In function 'setup':
bindtextdomain.c:42: error: 'RTLD_NEXT' undeclared (first use in this function)
bindtextdomain.c:42: error: (Each undeclared identifier is reported only once
bindtextdomain.c:42: error: for each function it appears in.)
gmake: *** [bindtextdomain.so] Error 1
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/converters/help2man
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/converters/help2man
[...]
>How-To-Repeat:
On MacOS X 10.4.11 PPC, with:

  X11_TYPE=modular

attempt to build convertors/help2man, or any package that builds it
as a dependency.

In this particular case:

 sane-frontends -> gimp -> pango -> help2man
>Fix: