autogen.sh

   1 #! /bin/sh
   2
   3 TOP_DIR=$(dirname $0)
   4 LAST_DIR=$PWD
   5
   6 if test ! -f $TOP_DIR/configure.ac ; then
   7     echo "You must execute this script from the top level directory."
   8     exit 1
   9 fi
  10
  11 AUTOCONF=${AUTOCONF:-autoconf}
  12 ACLOCAL=${ACLOCAL:-aclocal}
  13 AUTOHEADER=${AUTOHEADER:-autoheader}
  14
  15 dump_help_screen ()
  16 {
  17     echo "Usage: gen-auto-scripts.sh [options]"
  18     echo
  19     echo "options:"
  20     echo "  -n           skip CVS changelog creation"
  21     echo "  -h,--help    show this help screen"
  22     echo
  23     exit 0
  24 }
  25
  26 parse_options ()
  27 {
  28     while test "$1" != "" ; do
  29         case $1 in
  30             -h|--help)
  31                 dump_help_screen
  32                 ;;
  33             -n)
  34                 SKIP_CVS_CHANGELOG=yes
  35                 ;;
  36             *)
  37                 echo Invalid argument - $1
  38                 dump_help_screen
  39                 ;;
  40         esac
  41         shift
  42     done
  43 }
  44
  45 run_or_die ()
  46 {
  47     COMMAND=$1
  48
  49     # check for empty commands
  50     if test -z "$COMMAND" ; then
  51         echo "*warning* no command specified"
  52         return 1
  53     fi
  54
  55     shift;
  56
  57     OPTIONS="$@"
  58
  59     # print a message
  60     printf "%s" "*info* running $COMMAND"
  61     if test -n "$OPTIONS" ; then
  62         echo " ($OPTIONS)"
  63     else
  64         echo
  65     fi
  66
  67     # run or die
  68     $COMMAND $OPTIONS ; RESULT=$?
  69     if test $RESULT -ne 0 ; then
  70         echo "*error* $COMMAND failed. (exit code = $RESULT)"
  71         exit 1
  72     fi
  73
  74     return 0
  75 }
  76
  77 parse_options "$@"
  78
  79 cd $TOP_DIR
  80
  81 run_or_die $ACLOCAL
  82 run_or_die $AUTOHEADER
  83 run_or_die $AUTOCONF
  84
  85 cd $LAST_DIR
  86