XXX Remove nawk(1)

*** 232,242 ****
  # are specified in the open packages; save that list to a temporary
  # file $needdirs.
  #
  MACH=$(uname -p)
  (cd "$SRC/pkg/packages.$MACH"; \
!         nawk '/^dir/ {sub(/.+ path=/, ""); print $1;}' *.metadata.*.redist | \
          sort -u > "$needdirs")
  
  #
  # Step 2: go to our closed directory, and find all the subdirectories,
  # filtering out the ones needed by the open packages (saved in that
--- 232,242 ----
  # are specified in the open packages; save that list to a temporary
  # file $needdirs.
  #
  MACH=$(uname -p)
  (cd "$SRC/pkg/packages.$MACH"; \
!         /usr/xpg4/bin/awk '/^dir/ {sub(/.+ path=/, ""); print $1;}' *.metadata.*.redist | \
          sort -u > "$needdirs")
  
  #
  # Step 2: go to our closed directory, and find all the subdirectories,
  # filtering out the ones needed by the open packages (saved in that