chore, check for getline() and/or fgetln() in yuck.m4
fix, PEBKAC, use variable that actually exist
chore, define _NETBSD/_DARWIN/_ALL before stdio.h inclusion so fgetln() gets decl'd
Merge branch 'bld/nongnu'

* bld/nongnu:
  chore, define _NETBSD/_DARWIN/_ALL before stdio.h inclusion so fgetln() gets decl'd
  fix, PEBKAC, use variable that actually exist
  chore, check for getline() and/or fgetln() in yuck.m4