summaryrefslogtreecommitdiff
path: root/kde/admin/conf.change.pl
blob: 129d759288f10e94617d2f3139aaa711077e016a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
#!/usr/bin/env perl

# this script patches a config.status file, to use our own perl script
# in the main loop
# we do it this way to circumvent hacking (and thereby including)
# autoconf function (which are GPL) into our LGPL acinclude.m4.in
# written by Michael Matz <matz@kde.org>
# adapted by Dirk Mueller <mueller@kde.org>
#
#   This file is free software; you can redistribute it and/or
#   modify it under the terms of the GNU Library General Public
#   License as published by the Free Software Foundation; either
#   version 2 of the License, or (at your option) any later version.

#   This library is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#   Library General Public License for more details.

#   You should have received a copy of the GNU Library General Public License
#   along with this library; see the file COPYING.LIB.  If not, write to
#   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
#   Boston, MA 02110-1301, USA.

# we have to change two places
# 1. the splitting of the substitutions into chunks of 90 (or even 48 in
#    later autoconf's
# 2. the big main loop which patches all Makefile.in's

use strict;
use File::Basename;

my $ac_aux_dir = dirname($0);
my ($flag);
my $ac_version = 0;
my $vpath_seen = 0;
$flag = 0;

while (<>) {
# usage of $flag: 0 -- we have seen nothing yet
#   1 -- we are in (1)
#   2 -- we have ended (1)
#   3 -- we are in (2)
#   4 -- we ended (2)

    if ($flag == 4) {
        print;
    } elsif ($flag == 0) {
# 1. begins with (including): "ac_max_sed_\S+\s*=\s*[0-9]+..."
#    ends with (excluding) "CONFIG_FILE=..."
#    in later autoconf (2.14.1) there is no CONFIG_FILES= line,
#    but instead the (2) directly follow (1)
        if (/^\s*ac_max_sed_([a-z]+).*=\s*([0-9]+)/ ) {
	    $flag = 1;
	    if ($1 eq 'lines') {
                # lets hope its different with 2141, 
                # wasn't able to verify that
              if ($2 eq '48') {
                $ac_version = 250;
              }
              else {
	        $ac_version = 2141;
              }
	    } elsif ($1 eq 'cmds') {
	        $ac_version = 213;
	    }
	    # hmm, we don't know the autoconf version, but we try anyway
	} else {
	    print;
	}
    } elsif ($flag == 1) {
        if (/^\s*CONFIG_FILES=/ && ($ac_version != 250)) {
	     print;
	     $flag = 2;
	} elsif (/^\s*for\s+ac_file\s+in\s+.*CONFIG_FILES/ ) {
	     $flag = 3;
	}
    } elsif ($flag == 2) {
# 2. begins with: "for ac_file in.*CONFIG_FILES"  (the next 'for' after (1))
#    end with: "rm -f conftest.s\*"
# on autoconf 250, it ends with '# CONFIG_HEADER section'
#
# gg: if a post-processing commands section is found first, 
#    stop there and insert a new loop to honor the case/esac.
# (pattern: /^\s+#\sRun the commands associated with the file./)

	if (/^\s*for\s+ac_file\s+in\s+.*CONFIG_FILES/ ) {
	    $flag = 3;
	} else {
	    print;
	}
    } elsif ($flag == 3) {
        if (/^\s*rm\s+-f\s+conftest/ ) {
	    $flag = 4;
	    &insert_main_loop();
	} elsif (/^\s*rm\s+-f\s+.*ac_cs_root/ ) {
	    $flag = 4;
	    &insert_main_loop();
	    #die "hhhhhhh";
	    if ($ac_version != 2141) {
	        print STDERR "hmm, don't know autoconf version\n";
	    }
        } elsif (/^\#\s*CONFIG_(HEADER|COMMANDS) section.*|^\s+#\s(Run) the commands associated/) {
          $flag = 4;
          my $commands = defined $2;
          &insert_main_loop();
          $commands && insert_command_loop();
          if($ac_version != 250) {
            print STDERR "hmm, something went wrong :-(\n";
          }
	} elsif (/VPATH/ ) {
	    $vpath_seen = 1;
	}
    }
}

die "wrong input (flag != 4)" unless $flag == 4;
print STDERR "hmm, don't know autoconf version\n" unless $ac_version;

sub insert_main_loop {

  if ($ac_version == 250) {
    &insert_main_loop_250();
  }
  else {
    &insert_main_loop_213();
  }
}

sub insert_main_loop_250 {

  print <<EOF;
  #echo Doing the fast build of Makefiles -- autoconf $ac_version
EOF
    if ($vpath_seen) {
        print <<EOF;
        # VPATH subst was seen in original config.status main loop
  echo '/^[ 	]*VPATH[ 	]*=[^:]*\$/d' >>\$tmp/subs.sed
EOF
      }
  print <<EOF;
  rm -f \$tmp/subs.files
  for ac_file in .. \$CONFIG_FILES ; do
      if test "x\$ac_file" != x..; then
          echo \$ac_file >> \$tmp/subs.files
      fi
  done
  if test -f \$tmp/subs.files ; then
      perl $ac_aux_dir/config.pl "\$tmp/subs.sed" "\$tmp/subs.files" "\$srcdir" "\$INSTALL"
  fi
  rm -f \$tmp/subs.files

fi
EOF
  return;
}

sub insert_main_loop_213 {
    print <<EOF;
#echo Doing the fast build of Makefiles -- autoconf $ac_version
if test "x\$ac_cs_root" = "x" ; then
    ac_cs_root=conftest
fi
EOF
    if ($vpath_seen) {
      print <<EOF;
# VPATH subst was seen in original config.status main loop
echo '/^[ 	]*VPATH[ 	]*=[^:]*\$/d' >> \$ac_cs_root.subs
EOF
    }
    print <<EOF;
rm -f \$ac_cs_root.sacfiles
for ac_file in .. \$CONFIG_FILES ; do
    if test "x\$ac_file" != x..; then
        echo \$ac_file >> \$ac_cs_root.sacfiles
    fi
done
if test -f \$ac_cs_root.sacfiles ; then
    perl $ac_aux_dir/config.pl "\$ac_cs_root.subs" "\$ac_cs_root.sacfiles" "\$ac_given_srcdir" "\$ac_given_INSTALL"
fi
rm -f \$ac_cs_root.s*

EOF
    return;
}

sub insert_command_loop {
    print <<EOF;
  for ac_file in .. \$CONFIG_FILES ; do
EOF
}