Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | #!./miniperl -w |
8990e307 | 2 | |
75f92628 | 3 | $config_pm = $ARGV[0] || 'lib/Config.pm'; |
8990e307 LW |
4 | @ARGV = "./config.sh"; |
5 | ||
a0d0e21e LW |
6 | # list names to put first (and hence lookup fastest) |
7 | @fast = qw(osname osvers so libpth archlib | |
8 | sharpbang startsh shsharp | |
9 | dynamic_ext static_ext extensions dl_src | |
10 | sig_name ccflags cppflags intsize); | |
11 | ||
fec02dd3 AD |
12 | # names of things which may need to have slashes changed to double-colons |
13 | @extensions = qw(dynamic_ext static_ext extensions known_extensions); | |
14 | ||
a0d0e21e LW |
15 | |
16 | open CONFIG, ">$config_pm" or die "Can't open $config_pm: $!\n"; | |
8990e307 | 17 | $myver = sprintf("%.3f", $]); |
a0d0e21e | 18 | print CONFIG <<"ENDOFBEG"; |
8990e307 LW |
19 | package Config; |
20 | require Exporter; | |
21 | \@ISA = (Exporter); | |
22 | \@EXPORT = qw(%Config); | |
23 | ||
24 | \$] == $myver or die sprintf | |
25 | "Perl lib version ($myver) doesn't match executable version (%.3f)\\n", \$]; | |
26 | ||
a0d0e21e LW |
27 | # This file was created by configpm when Perl was built. Any changes |
28 | # made to this file will be lost the next time perl is built. | |
29 | ||
8990e307 LW |
30 | ENDOFBEG |
31 | ||
a0d0e21e | 32 | @fast{@fast} = @fast; |
fec02dd3 | 33 | @extensions{@extensions} = @extensions; |
a0d0e21e LW |
34 | @non_v=(); |
35 | @v_fast=(); | |
36 | @v_others=(); | |
37 | ||
85e6fe83 | 38 | while (<>) { |
a0d0e21e LW |
39 | next if m:^#!/bin/sh:; |
40 | # Catch CONFIG=true and PATCHLEVEL=n line from Configure. | |
41 | s/^(\w+)=(true|\d+)\s*$/$1='$2'\n/; | |
42 | unless (m/^(\w+)='(.*)'\s*$/){ | |
43 | push(@non_v, "#$_"); # not a name='value' line | |
44 | next; | |
45 | } | |
fec02dd3 AD |
46 | $name = $1; |
47 | if ($extensions{$name}) { s,/,::,g } | |
48 | if (!$fast{$name}){ push(@v_others, $_); next; } | |
a0d0e21e LW |
49 | push(@v_fast,$_); |
50 | } | |
51 | ||
52 | foreach(@non_v){ print CONFIG $_ } | |
53 | ||
54 | print CONFIG "\n", | |
55 | "\$config_sh=<<'!END!OF!CONFIG!';\n", | |
56 | join("", @v_fast, sort @v_others), | |
57 | "!END!OF!CONFIG!\n\n"; | |
58 | ||
59 | ||
60 | print CONFIG <<'ENDOFEND'; | |
61 | ||
62 | tie %Config, Config; | |
63 | sub TIEHASH { bless {} } | |
64 | sub FETCH { | |
65 | # check for cached value (which maybe undef so we use exists not defined) | |
66 | return $_[0]->{$_[1]} if (exists $_[0]->{$_[1]}); | |
67 | ||
68 | my($value); # search for the item in the big $config_sh string | |
69 | return undef unless (($value) = $config_sh =~ m/^$_[1]='(.*)'\s*$/m); | |
70 | ||
71 | $value = undef if $value eq 'undef'; # So we can say "if $Config{'foo'}". | |
72 | $_[0]->{$_[1]} = $value; # cache it | |
73 | return $value; | |
74 | } | |
75 | ||
76 | sub FIRSTKEY { | |
77 | $prevpos = 0; | |
78 | my $key; | |
79 | ($key) = $config_sh =~ m/^(.*)=/; | |
80 | $key; | |
81 | } | |
82 | ||
83 | sub NEXTKEY { | |
84 | my ($pos, $len); | |
85 | $pos = $prevpos; | |
86 | $pos = index( $config_sh, "\n", $pos) + 1; | |
87 | $prevpos = $pos; | |
88 | $len = index( $config_sh, "=", $pos) - $pos; | |
89 | $len > 0 ? substr( $config_sh, $pos, $len) : undef; | |
85e6fe83 | 90 | } |
a0d0e21e LW |
91 | |
92 | sub EXISTS{ | |
93 | exists($_[0]->{$_[1]}) or $config_sh =~ m/^$_[1]=/m; | |
94 | } | |
95 | ||
96 | sub readonly { die "\%Config::Config is read-only\n" } | |
97 | ||
748a9306 LW |
98 | sub myconfig { |
99 | my($output); | |
100 | ||
101 | $output = <<'END'; | |
102 | Summary of my $package (patchlevel $PATCHLEVEL) configuration: | |
103 | Platform: | |
104 | osname=$osname, osver=$osvers, archname=$archname | |
105 | uname='$myuname' | |
106 | hint=$hint | |
107 | Compiler: | |
108 | cc='$cc', optimize='$optimize' | |
109 | cppflags='$cppflags' | |
110 | ccflags ='$ccflags' | |
111 | ldflags ='$ldflags' | |
112 | stdchar='$stdchar', d_stdstdio=$d_stdstdio, usevfork=$usevfork | |
113 | voidflags=$voidflags, castflags=$castflags, d_casti32=$d_casti32, d_castneg=$d_castneg | |
114 | intsize=$intsize, alignbytes=$alignbytes, usemymalloc=$usemymalloc, randbits=$randbits | |
115 | Libraries: | |
116 | so=$so | |
117 | libpth=$libpth | |
118 | libs=$libs | |
119 | libc=$libc | |
120 | Dynamic Linking: | |
121 | dlsrc=$dlsrc, dlext=$dlext, d_dlsymun=$d_dlsymun | |
122 | cccdlflags='$cccdlflags', ccdlflags='$ccdlflags', lddlflags='$lddlflags' | |
123 | ||
124 | END | |
125 | $output =~ s/\$(\w+)/$Config{$1}/ge; | |
126 | $output; | |
127 | } | |
128 | ||
a0d0e21e LW |
129 | sub STORE { &readonly } |
130 | sub DELETE{ &readonly } | |
131 | sub CLEAR { &readonly } | |
132 | ||
133 | ||
134 | 1; | |
135 | ENDOFEND | |
136 | ||
137 | close(CONFIG); | |
138 | ||
139 | # Now do some simple tests on the Config.pm file we have created | |
140 | unshift(@INC,'lib'); | |
141 | require $config_pm; | |
142 | import Config; | |
143 | ||
144 | die "$0: $config_pm not valid" | |
145 | unless $Config{'CONFIG'} eq 'true'; | |
146 | ||
147 | die "$0: error processing $config_pm" | |
148 | if defined($Config{'an impossible name'}) | |
149 | or $Config{'CONFIG'} ne 'true' # test cache | |
150 | ; | |
151 | ||
152 | die "$0: error processing $config_pm" | |
153 | if eval '$Config{"cc"} = 1' | |
154 | or eval 'delete $Config{"cc"}' | |
155 | ; | |
156 | ||
157 | ||
85e6fe83 | 158 | exit 0; |