>> BUILD_DEPENDS+= ${PERL5}:../../lang/perl5-base
>> 	by doing this, the Makefile will check /usr/pkg/bin/perl.
>> 	if we try to build the package on a system with perl shipped by
>> 	default (like /usr/bin/perl), it will pull unnecessary dependency.
>We had this sort of problems some time ago, with texinfo.
>When we depend on *our* perl package, we know what gets installed.

	but we are not sure about version number (perl4, 5 or 6).
	is it okay?

>When we depend on *some* perl package, we get a perl binary but if
>some module etc. is assumed to be present, that's no longer guaranteed,
>which can lead to quite funky problems. 
>The conclusion then was to stick to our packages collection closely. 

	I understand this part correctly, but not sure if it is really
	that important or not... it matters for some and not for some.

itojun