1extproc 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
46shift, $no_zexe = 1 if @ARGV and $ARGV[0] eq '-no-zexe';
47
48mkdir '/tmp', 0777 unless -d '/tmp';
49
50print <<EOF;
51extproc sh
52
53EOF
54
55print <<EOF unless $no_zexe;
56# Make sensible defaults:
57CC="gcc -Zexe -Zmt"
58export CC
59CXX="gcc -Zexe -Zmt"
60export CXX
61#GCCOPT="$GCCOPT -Zexe"
62#export GCCOPT
63EOF
64
65print <<EOF;
66CONFIG_SHELL=sh
67export CONFIG_SHELL
68
69# Optimization (GNU make 3.74 cannot be loaded :-():
70emxload -m 30 sh.exe ls.exe tr.exe id.exe sed.exe # make.exe
71emxload -m 30 grep.exe egrep.exe fgrep.exe cat.exe rm.exe mv.exe cp.exe
72emxload -m 30 uniq.exe basename.exe sort.exe awk.exe echo.exe
73
74
75EOF
76
77$checking_path = 0;
78
79while (<>) {
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 \\\\\\\\\\\\\\\\ / `"
85EOS
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
114Changes:	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
120