freebsd-ports/Tools/portbuild/scripts/makeindex

#!/bin/sh
# usage: $0 branch
usage () {
  echo "usage: makeindex branch"
  exit 1
}
if [ $# != 1 ]; then
  usage
fi
case "x$1" in
  x2.2)
    branch=2.2
    export PORTOBJFORMAT=aout
    export OSREL=2.2.8
    export OSVERSION=228001
    ;;
  x3)
    branch=3
    export PORTOBJFORMAT=elf
    # export OSREL=3.1
    # export OSVERSION=310002
    ;;
  x4)
    branch=4
    export PORTOBJFORMAT=elf
    export OSREL=4.0
    export OSVERSION=400002
    ;;
  *)
    usage
    ;;
esac

export PORTSDIR=$(pwd)

unset DISPLAY
export BATCH=t
export HAVE_MOTIF=t
export PACKAGE_BUILDING=t
export PARALLEL_PACKAGE_BUILD=t
export NO_RESTRICTED=t
#export FOR_CDROM=t
make index