pkg/41103: pkgsrc bootstrap broken on AIX

[telarson%west.com@localhost]

>Number:         41103
>Category:       pkg
>Synopsis:       pkgsrc bootstrap broken on AIX
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Mar 30 20:50:00 +0000 2009
>Originator:     Tim Larson
>Release:        n/a
>Organization:
>Environment:
AIX olaf 1 4 0024FC004C00
>Description:
Bootstrap fails when building libnbcompat because pread() and pwrite() do not 
exist.  
>How-To-Repeat:
Try to bootstrap pkgsrc on AIX 4.1.5.0.
>Fix:
Check for existence of pread() and pwrite() and provide compatibility 
implementations if needed.