$!
$! prepare_vms.com  - Build config.h-vms from master on VMS.
$!
$! This is used for building off the master instead of a release tarball.
$!
$!
$!
$! First try ODS-5, Pathworks V6 or UNZIP name.
$!
$ config_template = f$search("sys$disk:[]config*h-vms.template")
$ if config_template .eqs. ""
$ then
$!
$!  Try NFS, VMStar, or Pathworks V5 ODS-2 encoded name.
$!
$   config_template = f$search("sys$disk:[]config.h-vms*template")
$   if config_template .eqs. ""
$   then
$       write sys$output "Could not find config.h-vms*template!"
$       exit 44
$   endif
$ endif
$ config_template_file = f$parse(config_template,,,"name")
$ config_template_type = f$parse(config_template,,,"type")
$ config_template = "sys$disk:[]" + config_template_file + config_template_type
$!
$!
$! Pull the package and version from configure.ac
$!
$ open/read ac_file sys$disk:[]configure.ac
$ac_read_loop:
$ read ac_file/end=ac_read_loop_end line_in
$ key = f$extract(0, 7, line_in)
$ if key .nes. "AC_INIT" then goto ac_read_loop
$ package = f$element (1,"[",line_in)
$ package = f$element (0,"]",package)
$ version = f$element (2,"[",line_in)
$ version = f$element (0,"]",version)
$ac_read_loop_end:
$ close ac_file
$!
$ if (package .eqs. "") .or. (version .eqs. "")
$ then
$    write sys$output "Unable to determine package and/or version!"
$    exit 44
$ endif
$!
$!
$ outfile = "sys$disk:[]config.h-vms"
$!
$! Note the pipe command is close to the length of 255, which is the
$! maximum token length prior to VMS V8.2:
$! %DCL-W-TKNOVF, command element is too long - shorten
$ pipe (write sys$output "sub/%PACKAGE%/''package'/WHOLE/NOTYPE" ;-
        write sys$output "sub/%VERSION%/''version'/WHOLE/NOTYPE" ;-
        write sys$output "exit") |-
       edit/edt 'config_template'/out='outfile'/command=sys$pipe >nla0:
$!
$ write sys$output package, ", version: ", version, " prepared for VMS"