convert_configure.pl

   1 extproc perl -S -w
   2
   3 # $Id: convert_configure.pl,v 1.3 2006/04/22 23:04:06 tom Exp $
   4 ##############################################################################
   5 # Copyright (c) 1998-2000,2006 Free Software Foundation, Inc.                #
   6 #                                                                            #
   7 # Permission is hereby granted, free of charge, to any person obtaining a    #
   8 # copy of this software and associated documentation files (the "Software"), #
   9 # to deal in the Software without restriction, including without limitation  #
  10 # the rights to use, copy, modify, merge, publish, distribute, distribute    #
  11 # with modifications, sublicense, and/or sell copies of the Software, and to #
  12 # permit persons to whom the Software is furnished to do so, subject to the  #
  13 # following conditions:                                                      #
  14 #                                                                            #
  15 # The above copyright notice and this permission notice shall be included in #
  16 # all copies or substantial portions of the Software.                        #
  17 #                                                                            #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
  19 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,   #
  20 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL    #
  21 # THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      #
  22 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING    #
  23 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER        #
  24 # DEALINGS IN THE SOFTWARE.                                                  #
  25 #                                                                            #
  26 # Except as contained in this notice, the name(s) of the above copyright     #
  27 # holders shall not be used in advertising or otherwise to promote the sale, #
  28 # use or other dealings in this Software without prior written               #
  29 # authorization.                                                             #
  30 ##############################################################################
  31
  32 # The converted script is written to stdout, so run this script as
  33 #    convert_configure configure > configure.cmd
  34 #
  35 # When the converted script runs, it expects that /tmp dir is
  36 # available (so we create it).
  37 #
  38 # run the result like this:
  39 #    .\configure
  40
  41 # Some frequent manual intervention:
  42 # a) Some makefiles hardwire SHELL = /bin/sh ==> change to: sh
  43 # b) Some makefiles recognize that exe files terminate on .exe
  44 #    You need to give this script -no-zexe option...
  45
  46 shift, $no_zexe = 1 if @ARGV and $ARGV[0] eq '-no-zexe';
  47
  48 mkdir '/tmp', 0777 unless -d '/tmp';
  49
  50 print <<EOF;
  51 extproc sh
  52
  53 EOF
  54
  55 print <<EOF unless $no_zexe;
  56 # Make sensible defaults:
  57 CC="gcc -Zexe -Zmt"
  58 export CC
  59 CXX="gcc -Zexe -Zmt"
  60 export CXX
  61 #GCCOPT="$GCCOPT -Zexe"
  62 #export GCCOPT
  63 EOF
  64
  65 print <<EOF;
  66 CONFIG_SHELL=sh
  67 export CONFIG_SHELL
  68
  69 # Optimization (GNU make 3.74 cannot be loaded :-():
  70 emxload -m 30 sh.exe ls.exe tr.exe id.exe sed.exe # make.exe
  71 emxload -m 30 grep.exe egrep.exe fgrep.exe cat.exe rm.exe mv.exe cp.exe
  72 emxload -m 30 uniq.exe basename.exe sort.exe awk.exe echo.exe
  73
  74
  75 EOF
  76
  77 $checking_path = 0;
  78
  79 while (<>) {
  80   if (/for\s+(\w+)\s+in\s*\$(PATH|ac_dummy)\s*;/) {
  81     $checking_path = 1;
  82     $varname = $1;
  83     $subst= <<EOS
  84 $varname="`echo -E \\"\$$varname\\" | tr \\\\\\\\\\\\\\\\ / `"
  85 EOS
  86   }
  87   if (/if\s+test\s+-z\s+\"\$INSTALL\"/) {
  88     $checking_install = 1;
  89   }
  90   $checking_install = $checking_path = 0 if /^\s*done\s*$/;
  91   # We want to create an extra line like this one:
  92 #   ac_dir="`echo -E \"$ac_dir\" | tr \\\\\\\\ / `"
  93   s{^((\s*)if\s+test)\s*-f\s*(\$$varname/\S+)\s*;}
  94    {$2$subst$1 -f $3 -o -f $3.exe ;}
  95       if $checking_path;        # Checking for executables
  96   # change |/usr/sbin/*| to |/usr/sbin/*|?:[\\/]os2[\\/]install[\\/]*|
  97   # in the list of things to skip (with both cases)
  98   s{\Q|/usr/sbin/*|}
  99    {|/usr/sbin/*|?:[\\\\/]os2[\\\\/]install[\\\\/]*|?:[\\\\/]OS2[\\\\/]INSTALL[\\\\/]*|}
 100       if $checking_install;     # Do not accept d:/os2/install/install.exe
 101   s/^(host|build)=NONE$/$1=x86-emx-os2/;        # Make default host/build
 102   s/"\$\{IFS}:"$/"\${IFS};"/;   # Fix IFS line
 103   s/\bIFS=\":\"$/IFS=";"/;      # Fix another IFS line
 104   s/\btest\s+-s\s+conftest\b/test -f conftest/g; # Fix exe test
 105   # This one is needed for curses:
 106   s/^\s*host=`.*\$ac_config_sub \$host_alias`/$&\nif test -z "\$host"; then host=\$host_alias; fi/;
 107   s,/bin/sh(?![/\w]),sh,g;
 108   s,^(\s*/usr/sbin/sendmail\s*)\\$,$1 "`whence sendmail | tr '\\\\\\\\' / `" \\,;
 109   print;
 110 }
 111
 112 __END__
 113
 114 Changes:        98/11 : support check for executables in ncurses.
 115                 99/2  : support INSTALL,
 116                         new IFS=':' style
 117                 99/11 : find sendmail
 118                 00/01 : export CONFIG_SHELL
 119                 00/10 : new syntax for host=`...` line