configure

   1 #!/bin/sh
   2
   3 if test "$1" = "--help" ; then
   4         echo usage: $0 [--option=VALUE] [VAR=VALUE] ...
   5         echo
   6         cat configure.help 2> /dev/null && echo
   7         echo "Any options or variables not explicitly set are reset to defaults"
   8 elif test "$1" = "--version" ; then
   9 cat << EOT
  10 micro configure 0.2, Copyright (C) 2005 Dimitar Toshkov Zhekov
  11
  12 This program is free software; you can redistribute it and/or
  13 modify it under the terms of the GNU General Public License as
  14 published by the Free Software Foundation; either version 2 of
  15 the License, or (at your option) any later version.
  16
  17 This program is distributed in the hope that it will be useful,
  18 but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 GNU General Public License for more details.
  21
  22 Report bugs to jimmy@is-vn.bg
  23 EOT
  24 elif test -z `printf "\r"` ; then
  25         echo "$0: printf failure"
  26         false
  27 elif test -f Makefile ; then
  28         if test -f Makefile.in ; then
  29                 cp -fp Makefile.in Makefile
  30         else
  31                 cp -p Makefile Makefile.in
  32         fi
  33         w=`printf "[\t ]*"`
  34         r=`printf "\r"`
  35         l="[a-z][a-z0-9-]*[^-]"
  36         for i do
  37                 if test "$i" != "`echo "$i" | sed -e 1q`" ; then
  38                         echo "$0: `echo "$i" | sed -e "s/$r/^M/" -e 1q`^J...: contains line feed" 1>&2
  39                 elif echo "$i" | grep "$r" > /dev/null ; then
  40                         echo "$0: `echo "$i" | sed -e "s/$r.*//"`^M...: contains carriage return" 1>&2
  41                 elif test -n "$i" ; then
  42                         i=`echo "$i" | sed -e "s$r^--enable-\($l\)\\$$r--\1=yes$r"`
  43                         i=`echo "$i" | sed -e "s$r^--disable-\($l\)\\$$r--\1=no$r"`
  44                         i=`echo "$i" | sed -e "s$r^--enable-\($l\)=\(yes\|no\)\\$$r--\1=\2$r"`
  45                         i=`echo "$i" | sed -e "s$r^--with-\($l\)=\|^--without-\($l\)\\$$r--\1=$r"`
  46                         if echo "$i" | grep "^--$l=\|^[A-Z][A-Z0-9_]*[^_]=" > /dev/null ; then
  47                                 n=`echo "$i" | sed -e "s$r^-*$r$r" -e "s$r=.*$r$r" | sed -e "s/-/_/g"`
  48                                 if grep "^$n$w:\?=" Makefile > /dev/null ; then
  49                                         cp -f Makefile Makefile.$$
  50                                         sed -e "s$r^\($n$w:*=$w\).*$r\1`echo "$i" | sed -e "s$r^[^=]*=$r$r"`$r" Makefile.$$ > Makefile
  51                                         grep "^$n$w:\?=" Makefile /dev/null
  52                                 else
  53                                         echo "$0: $n: not found in Makefile" 1>&2
  54                                 fi
  55                                 unset n
  56                         else
  57                                 echo "$0: $i: not recognized" 1>&2
  58                         fi
  59                 fi
  60         done
  61         unset i l r w
  62         if test -f Makefile.$$ ; then
  63                 rm -f Makefile.$$
  64         else
  65                 rm -f Makefile.in
  66         fi
  67 else
  68         echo "$0: Makefile: not found" 1>&2
  69         false
  70 fi