#!/bin/sh

setglobal config_os = $1
setglobal config_release = $2
setglobal uname_machine = $3

setglobal uname_sysname = $[echo $config_os | sed 's/[0-9.]*$//]
if test $uname_sysname != $config_os {
  setglobal config_release = $[echo $config_os | sed s/$uname_sysname//]
}

if test -r /vmunix {
  setglobal kernel_id = $[strings /vmunix | grep UNIX]
} elif test -r /dynix {
  setglobal kernel_id = $[strings /dynix | grep DYNIX]
} else {
  setglobal kernel_id = ''
}

setglobal kernel_release = $[echo $kernel_id | sed 's/^[^0-9.]*\([0-9.]*\).*$/\1/]
if test x$[echo $config_release | sed "s/^$kernel_release//] \
       != x$config_release {
  # The configuration release is a substring of the kernel release.
  setglobal uname_release = $kernel_release
} elif test x$config_release != x {
  setglobal uname_release = $config_release
} elif test x$kernel_release != x {
  setglobal uname_release = $kernel_release
} else {
  setglobal uname_release = 'unknown'
}

setglobal kernel_version = $[echo $kernel_id | sed 's/^[^#]*#\([0-9]*\).*$/\1/]
if test -n $kernel_version {
  setglobal uname_version = $kernel_version
} else {
  setglobal uname_version = 'unknown'
}

cat << """
/* This file is generated by $0.  DO NOT EDIT.

   This is used only by the generic uname function for systems with no real
   uname call.  If this data is not correct, it does not matter much.  */

#define UNAME_SYSNAME "$uname_sysname"
#define UNAME_RELEASE "$uname_release"
#define UNAME_VERSION "$uname_version"
#define UNAME_MACHINE "$uname_machine"
"""