Log message:
Pullup ticket #3855 - requested by joerg
pkgtools/libnbcompat: portability fix

Revisions pulled up:
- pkgtools/libnbcompat/Makefile                                 1.77
- pkgtools/libnbcompat/files/asprintf.c                         1.3
- pkgtools/libnbcompat/files/configure                          1.78
- pkgtools/libnbcompat/files/configure.ac                       1.79
- pkgtools/libnbcompat/files/nbcompat/config.h.in               1.30

---
   Module Name:	pkgsrc
   Committed By:	joerg
   Date:		Mon Jul  2 16:02:53 UTC 2012

   Modified Files:
   	pkgsrc/pkgtools/libnbcompat: Makefile
   	pkgsrc/pkgtools/libnbcompat/files: asprintf.c configure configure.ac
   	pkgsrc/pkgtools/libnbcompat/files/nbcompat: config.h.in

   Log message:
   If either va_copy or __builtin_va_copy is supported, use that in the
   asprintf fallback implementation. If neither is supported, still try to
   work by copying va_list directly. Should fix PR 45767.