Commit | Line | Data |
---|---|---|
a0d0e21e | 1 | #!./miniperl -w |
962e59f3 DM |
2 | # |
3 | # configpm | |
4 | # | |
8ed6d636 VK |
5 | # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
6 | # 2002, 2003, 2004, 2005, 2006, 2007 Larry Wall and others. | |
962e59f3 DM |
7 | # |
8 | # | |
9 | # Regenerate the files | |
10 | # | |
11 | # lib/Config.pm | |
12 | # lib/Config_heavy.pl | |
13 | # lib/Config.pod | |
962e59f3 | 14 | # |
8ed6d636 | 15 | # |
962e59f3 DM |
16 | # from the contents of the static files |
17 | # | |
18 | # Porting/Glossary | |
19 | # myconfig.SH | |
20 | # | |
21 | # and from the contents of the Configure-generated file | |
22 | # | |
23 | # config.sh | |
24 | # | |
8ed6d636 | 25 | # |
962e59f3 DM |
26 | # It will only update Config.pm and Config_heavy.pl if the contents of |
27 | # either file would be different. Note that *both* files are updated in | |
28 | # this case, since for example an extension makefile that has a dependency | |
29 | # on Config.pm should trigger even if only Config_heavy.pl has changed. | |
30 | ||
31 | sub usage { die <<EOF } | |
d2d98f31 | 32 | usage: $0 [ options ] |
962e59f3 | 33 | --no-glossary don't include Porting/Glossary in lib/Config.pod |
4e73d6a4 | 34 | --chdir=dir change directory before writing files |
962e59f3 DM |
35 | EOF |
36 | ||
2f4f46ad | 37 | use strict; |
3d3a0a8a | 38 | our (%Config, $Config_SH_expanded); |
8990e307 | 39 | |
a8e1d30b NC |
40 | my $how_many_common = 22; |
41 | ||
42 | # commonly used names to precache (and hence lookup fastest) | |
43 | my %Common; | |
44 | ||
45 | while ($how_many_common--) { | |
46 | $_ = <DATA>; | |
47 | chomp; | |
48 | /^(\S+):\s*(\d+)$/ or die "Malformed line '$_'"; | |
49 | $Common{$1} = $1; | |
50 | } | |
5435c704 | 51 | |
d50f1408 NC |
52 | # Post 37589e1eefb1bd62 DynaLoader defaults to reading these at runtime. |
53 | # Ideally we're redo the data below, but Fotango's build system made it | |
54 | # wonderfully easy to instrument, and no longer exists. | |
55 | $Common{$_} = $_ foreach qw(dlext so); | |
56 | ||
5435c704 NC |
57 | # names of things which may need to have slashes changed to double-colons |
58 | my %Extensions = map {($_,$_)} | |
59 | qw(dynamic_ext static_ext extensions known_extensions); | |
60 | ||
1f0fc1c9 NC |
61 | # The plan is that this information is used by ExtUtils::MakeMaker to generate |
62 | # Makefile dependencies, rather than hardcoding a list, which has become out | |
63 | # of date. However, currently, MM_Unix.pm and MM_VMS.pm have *different* lists, | |
64 | # *and* descrip_mms.template doesn't actually install all the headers. | |
65 | # The "Unix" list seems to (attempt to) avoid the generated headers, which I'm | |
66 | # not sure is the right thing to do. Also, not certain whether it would be | |
67 | # easier to parse MANIFEST to get these (adding config.h, and potentially | |
68 | # removing others), but for now, stick to a hard coded list. | |
69 | ||
70 | # Could use a map to add ".h", but I suspect that it's easier to use literals, | |
71 | # so that anyone using grep will find them | |
97cb92d6 | 72 | # This is the list from MM_VMS, plus pad.h, parser.h, utf8.h |
1f0fc1c9 NC |
73 | # which it installs. It *doesn't* install perliol.h - FIXME. |
74 | my @header_files = qw(EXTERN.h INTERN.h XSUB.h av.h config.h cop.h cv.h | |
4d3a042d | 75 | embed.h embedvar.h form.h gv.h handy.h hv.h hv_func.h intrpvar.h |
1f0fc1c9 NC |
76 | iperlsys.h keywords.h mg.h nostdio.h op.h opcode.h |
77 | pad.h parser.h patchlevel.h perl.h perlio.h perlsdio.h | |
97cb92d6 | 78 | perlvars.h perly.h pp.h pp_proto.h proto.h |
1f0fc1c9 NC |
79 | regcomp.h regexp.h regnodes.h scope.h sv.h thread.h utf8.h |
80 | util.h); | |
81 | ||
1f0fc1c9 NC |
82 | push @header_files, |
83 | $^O eq 'VMS' ? 'vmsish.h' : qw(dosish.h perliol.h time64.h unixish.h); | |
84 | ||
85 | my $header_files = ' return qw(' . join(' ', sort @header_files) . ');'; | |
86 | $header_files =~ s/(?=.{64}) # If line is still overlength | |
87 | (.{1,64})\ # Split at the last convenient space | |
88 | /$1\n /gx; | |
89 | ||
5435c704 NC |
90 | # allowed opts as well as specifies default and initial values |
91 | my %Allowed_Opts = ( | |
2d9d8159 | 92 | 'glossary' => 1, # --no-glossary - no glossary file inclusion, |
5435c704 | 93 | # for compactness |
4e73d6a4 | 94 | 'chdir' => '', # --chdir=dir - change directory before writing files |
18f68570 | 95 | ); |
18f68570 | 96 | |
5435c704 NC |
97 | sub opts { |
98 | # user specified options | |
99 | my %given_opts = ( | |
100 | # --opt=smth | |
101 | (map {/^--([\-_\w]+)=(.*)$/} @ARGV), | |
102 | # --opt --no-opt --noopt | |
103 | (map {/^no-?(.*)$/i?($1=>0):($_=>1)} map {/^--([\-_\w]+)$/} @ARGV), | |
104 | ); | |
105 | ||
106 | my %opts = (%Allowed_Opts, %given_opts); | |
107 | ||
108 | for my $opt (grep {!exists $Allowed_Opts{$_}} keys %given_opts) { | |
962e59f3 DM |
109 | warn "option '$opt' is not recognized"; |
110 | usage; | |
5435c704 NC |
111 | } |
112 | @ARGV = grep {!/^--/} @ARGV; | |
113 | ||
114 | return %opts; | |
115 | } | |
18f68570 | 116 | |
5435c704 NC |
117 | |
118 | my %Opts = opts(); | |
119 | ||
4e73d6a4 NC |
120 | if ($Opts{chdir}) { |
121 | chdir $Opts{chdir} or die "$0: could not chdir $Opts{chdir}: $!" | |
122 | } | |
123 | ||
8ed6d636 | 124 | my ($Config_SH, $Config_PM, $Config_heavy, $Config_POD); |
d2d98f31 | 125 | my $Glossary = 'Porting/Glossary'; |
5435c704 | 126 | |
8aaffb9f BF |
127 | $Config_PM = "lib/Config.pm"; |
128 | $Config_POD = "lib/Config.pod"; | |
129 | $Config_SH = "config.sh"; | |
130 | ||
d2d98f31 VK |
131 | ($Config_heavy = $Config_PM) =~ s/\.pm$/_heavy.pl/; |
132 | die "Can't automatically determine name for Config_heavy.pl from '$Config_PM'" | |
133 | if $Config_heavy eq $Config_PM; | |
8990e307 | 134 | |
962e59f3 DM |
135 | my $config_txt; |
136 | my $heavy_txt; | |
2d9d8159 | 137 | |
c6b7b56c | 138 | my $export_funcs = <<'EOT'; |
9fe67fcb NC |
139 | my %Export_Cache = (myconfig => 1, config_sh => 1, config_vars => 1, |
140 | config_re => 1, compile_date => 1, local_patches => 1, | |
3acb769b | 141 | bincompat_options => 1, non_bincompat_options => 1, |
1f0fc1c9 | 142 | header_files => 1); |
c6b7b56c | 143 | EOT |
a0d0e21e | 144 | |
c6b7b56c NC |
145 | my %export_ok = eval $export_funcs or die; |
146 | ||
c7a7bc4d | 147 | $config_txt .= sprintf << 'EOT', $], $export_funcs; |
5435c704 NC |
148 | # This file was created by configpm when Perl was built. Any changes |
149 | # made to this file will be lost the next time perl is built. | |
3c81428c | 150 | |
3acf89b2 MB |
151 | # for a description of the variables, please have a look at the |
152 | # Glossary file, as written in the Porting folder, or use the url: | |
47ef154c | 153 | # https://github.com/Perl/perl5/blob/blead/Porting/Glossary |
3acf89b2 | 154 | |
8990e307 | 155 | package Config; |
2f4f46ad | 156 | use strict; |
9fe67fcb | 157 | use warnings; |
3d3a0a8a | 158 | our ( %%Config, $VERSION ); |
c7a7bc4d DG |
159 | |
160 | $VERSION = "%s"; | |
c6b7b56c NC |
161 | |
162 | # Skip @Config::EXPORT because it only contains %%Config, which we special | |
163 | # case below as it's not a function. @Config::EXPORT won't change in the | |
164 | # lifetime of Perl 5. | |
165 | %s | |
2f4f46ad | 166 | @Config::EXPORT = qw(%%Config); |
c6b7b56c | 167 | @Config::EXPORT_OK = keys %%Export_Cache; |
a48f8c77 | 168 | |
43d06990 NC |
169 | # Need to stub all the functions to make code such as print Config::config_sh |
170 | # keep working | |
171 | ||
c6b7b56c | 172 | EOT |
43d06990 | 173 | |
c6b7b56c | 174 | $config_txt .= "sub $_;\n" foreach sort keys %export_ok; |
2f4f46ad | 175 | |
c6b7b56c NC |
176 | my $myver = sprintf "%vd", $^V; |
177 | ||
178 | $config_txt .= sprintf <<'ENDOFBEG', ($myver) x 3; | |
e3d0cac0 IZ |
179 | |
180 | # Define our own import method to avoid pulling in the full Exporter: | |
181 | sub import { | |
a5094cb0 | 182 | shift; |
2f4f46ad | 183 | @_ = @Config::EXPORT unless @_; |
5435c704 | 184 | |
a48f8c77 MS |
185 | my @funcs = grep $_ ne '%%Config', @_; |
186 | my $export_Config = @funcs < @_ ? 1 : 0; | |
5435c704 | 187 | |
2f4f46ad | 188 | no strict 'refs'; |
a48f8c77 MS |
189 | my $callpkg = caller(0); |
190 | foreach my $func (@funcs) { | |
a5094cb0 NC |
191 | die qq{"$func" is not exported by the Config module\n} |
192 | unless $Export_Cache{$func}; | |
a48f8c77 MS |
193 | *{$callpkg.'::'.$func} = \&{$func}; |
194 | } | |
5435c704 | 195 | |
a48f8c77 MS |
196 | *{"$callpkg\::Config"} = \%%Config if $export_Config; |
197 | return; | |
e3d0cac0 IZ |
198 | } |
199 | ||
69667126 | 200 | die "$0: Perl lib version (%s) doesn't match executable '$^X' version ($])" |
5435c704 | 201 | unless $^V; |
de98c553 | 202 | |
5435c704 | 203 | $^V eq %s |
69667126 | 204 | or die sprintf "%%s: Perl lib version (%s) doesn't match executable '$^X' version (%%vd)", $0, $^V; |
a0d0e21e | 205 | |
8990e307 LW |
206 | ENDOFBEG |
207 | ||
16d20bd9 | 208 | |
5435c704 | 209 | my @non_v = (); |
5435c704 NC |
210 | my @v_others = (); |
211 | my $in_v = 0; | |
212 | my %Data = (); | |
ebf3760c | 213 | my $quote; |
5435c704 | 214 | |
6c2ae642 AC |
215 | # These variables were set in older versions of Perl, but are no longer needed |
216 | # by the core. However, some CPAN modules may rely on them; in particular, Tk | |
217 | # (at least up to version 804.034) fails to build without them. We force them | |
218 | # to be emitted to Config_heavy.pl for backcompat with such modules (and we may | |
219 | # find that this set needs to be extended in future). See RT#132347. | |
220 | my @v_forced = map "$_\n", split /\n+/, <<'EOT'; | |
221 | i_limits='define' | |
222 | i_stdlib='define' | |
223 | i_string='define' | |
224 | i_time='define' | |
225 | prototype='define' | |
226 | EOT | |
227 | ||
a0d0e21e | 228 | |
1a9ca827 | 229 | my %seen_quotes; |
2f4f46ad NC |
230 | { |
231 | my ($name, $val); | |
1ae6ead9 | 232 | open(CONFIG_SH, '<', $Config_SH) || die "Can't open $Config_SH: $!"; |
2f4f46ad | 233 | while (<CONFIG_SH>) { |
a0d0e21e | 234 | next if m:^#!/bin/sh:; |
5435c704 | 235 | |
a02608de | 236 | # Catch PERL_CONFIG_SH=true and PERL_VERSION=n line from Configure. |
d4de4258 | 237 | s/^(\w+)=(true|\d+)\s*$/$1='$2'\n/ or m/^(\w+)='(.*)'$/; |
3905a40f | 238 | my($k, $v) = ($1, $2); |
5435c704 | 239 | |
2000072c | 240 | # grandfather PATCHLEVEL and SUBVERSION and CONFIG |
cceca5ed GS |
241 | if ($k) { |
242 | if ($k eq 'PERL_VERSION') { | |
243 | push @v_others, "PATCHLEVEL='$v'\n"; | |
244 | } | |
245 | elsif ($k eq 'PERL_SUBVERSION') { | |
246 | push @v_others, "SUBVERSION='$v'\n"; | |
247 | } | |
a02608de | 248 | elsif ($k eq 'PERL_CONFIG_SH') { |
2000072c JH |
249 | push @v_others, "CONFIG='$v'\n"; |
250 | } | |
cceca5ed | 251 | } |
5435c704 | 252 | |
435ec615 HM |
253 | # We can delimit things in config.sh with either ' or ". |
254 | unless ($in_v or m/^(\w+)=(['"])(.*\n)/){ | |
a0d0e21e LW |
255 | push(@non_v, "#$_"); # not a name='value' line |
256 | next; | |
257 | } | |
5435c704 NC |
258 | if ($in_v) { |
259 | $val .= $_; | |
260 | } | |
261 | else { | |
ebf3760c | 262 | $quote = $2; |
5435c704 | 263 | ($name,$val) = ($1,$3); |
02817d9f MB |
264 | if ($name eq 'cc') { |
265 | $val =~ s{^(['"]?+).*\bccache\s+}{$1}; | |
266 | } | |
5435c704 | 267 | } |
435ec615 | 268 | $in_v = $val !~ /$quote\n/; |
44a8e56a | 269 | next if $in_v; |
a0d0e21e | 270 | |
5435c704 | 271 | s,/,::,g if $Extensions{$name}; |
a0d0e21e | 272 | |
5435c704 | 273 | $val =~ s/$quote\n?\z//; |
3c81428c | 274 | |
5435c704 | 275 | my $line = "$name=$quote$val$quote\n"; |
deeea481 | 276 | push(@v_others, $line); |
1a9ca827 | 277 | $seen_quotes{$quote}++; |
2f4f46ad NC |
278 | } |
279 | close CONFIG_SH; | |
5435c704 | 280 | } |
2f4f46ad | 281 | |
1a9ca827 NC |
282 | # This is somewhat grim, but I want the code for parsing config.sh here and |
283 | # now so that I can expand $Config{ivsize} and $Config{ivtype} | |
284 | ||
285 | my $fetch_string = <<'EOT'; | |
286 | ||
287 | # Search for it in the big string | |
288 | sub fetch_string { | |
289 | my($self, $key) = @_; | |
290 | ||
291 | EOT | |
292 | ||
293 | if ($seen_quotes{'"'}) { | |
294 | # We need the full ' and " code | |
1a9ca827 | 295 | |
b46acf92 NC |
296 | $fetch_string .= <<'EOT'; |
297 | return undef unless my ($quote_type, $value) = $Config_SH_expanded =~ /\n$key=(['"])(.*?)\1\n/s; | |
1a9ca827 NC |
298 | |
299 | # If we had a double-quote, we'd better eval it so escape | |
300 | # sequences and such can be interpolated. Since the incoming | |
301 | # value is supposed to follow shell rules and not perl rules, | |
302 | # we escape any perl variable markers | |
b46acf92 NC |
303 | |
304 | # Historically, since " 'support' was added in change 1409, the | |
305 | # interpolation was done before the undef. Stick to this arguably buggy | |
306 | # behaviour as we're refactoring. | |
1a9ca827 NC |
307 | if ($quote_type eq '"') { |
308 | $value =~ s/\$/\\\$/g; | |
309 | $value =~ s/\@/\\\@/g; | |
310 | eval "\$value = \"$value\""; | |
311 | } | |
b46acf92 NC |
312 | |
313 | # So we can say "if $Config{'foo'}". | |
314 | $self->{$key} = $value eq 'undef' ? undef : $value; # cache it | |
1a9ca827 | 315 | } |
b46acf92 NC |
316 | EOT |
317 | ||
318 | } else { | |
2effe01f | 319 | # We only have ' delimited. |
b46acf92 | 320 | |
1a9ca827 | 321 | $fetch_string .= <<'EOT'; |
b46acf92 | 322 | return undef unless $Config_SH_expanded =~ /\n$key=\'(.*?)\'\n/s; |
1a9ca827 | 323 | # So we can say "if $Config{'foo'}". |
b46acf92 | 324 | $self->{$key} = $1 eq 'undef' ? undef : $1; |
1a9ca827 NC |
325 | } |
326 | EOT | |
327 | ||
b46acf92 NC |
328 | } |
329 | ||
1a9ca827 NC |
330 | eval $fetch_string; |
331 | die if $@; | |
3c81428c | 332 | |
8468119f NC |
333 | # Calculation for the keys for byteorder |
334 | # This is somewhat grim, but I need to run fetch_string here. | |
bc60657c | 335 | $Config_SH_expanded = join "\n", '', @v_others; |
8468119f NC |
336 | |
337 | my $t = fetch_string ({}, 'ivtype'); | |
338 | my $s = fetch_string ({}, 'ivsize'); | |
339 | ||
340 | # byteorder does exist on its own but we overlay a virtual | |
341 | # dynamically recomputed value. | |
342 | ||
343 | # However, ivtype and ivsize will not vary for sane fat binaries | |
344 | ||
345 | my $f = $t eq 'long' ? 'L!' : $s == 8 ? 'Q': 'I'; | |
346 | ||
347 | my $byteorder_code; | |
348 | if ($s == 4 || $s == 8) { | |
4efc19b7 | 349 | my $list = join ',', reverse(1..$s-1); |
8468119f NC |
350 | my $format = 'a'x$s; |
351 | $byteorder_code = <<"EOT"; | |
2855b621 | 352 | |
4efc19b7 NC |
353 | my \$i = ord($s); |
354 | foreach my \$c ($list) { \$i <<= 8; \$i |= ord(\$c); } | |
2d9d8159 | 355 | our \$byteorder = join('', unpack('$format', pack('$f', \$i))); |
8468119f NC |
356 | EOT |
357 | } else { | |
2d9d8159 | 358 | $byteorder_code = "our \$byteorder = '?'x$s;\n"; |
8468119f NC |
359 | } |
360 | ||
88fe16b2 NC |
361 | my @need_relocation; |
362 | ||
363 | if (fetch_string({},'userelocatableinc')) { | |
4d20abad NC |
364 | foreach my $what (qw(prefixexp |
365 | ||
366 | archlibexp | |
367 | html1direxp | |
368 | html3direxp | |
369 | man1direxp | |
370 | man3direxp | |
91f668c3 | 371 | privlibexp |
4d20abad | 372 | scriptdirexp |
91f668c3 | 373 | sitearchexp |
4d20abad NC |
374 | sitebinexp |
375 | sitehtml1direxp | |
376 | sitehtml3direxp | |
91f668c3 | 377 | sitelibexp |
4d20abad NC |
378 | siteman1direxp |
379 | siteman3direxp | |
380 | sitescriptexp | |
91f668c3 | 381 | vendorarchexp |
4d20abad NC |
382 | vendorbinexp |
383 | vendorhtml1direxp | |
384 | vendorhtml3direxp | |
91f668c3 | 385 | vendorlibexp |
4d20abad NC |
386 | vendorman1direxp |
387 | vendorman3direxp | |
388 | vendorscriptexp | |
389 | ||
390 | siteprefixexp | |
391 | sitelib_stem | |
1d230ada NC |
392 | vendorlib_stem |
393 | ||
394 | installarchlib | |
395 | installhtml1dir | |
396 | installhtml3dir | |
397 | installman1dir | |
398 | installman3dir | |
399 | installprefix | |
400 | installprefixexp | |
401 | installprivlib | |
402 | installscript | |
403 | installsitearch | |
404 | installsitebin | |
405 | installsitehtml1dir | |
406 | installsitehtml3dir | |
407 | installsitelib | |
408 | installsiteman1dir | |
409 | installsiteman3dir | |
410 | installsitescript | |
411 | installvendorarch | |
412 | installvendorbin | |
413 | installvendorhtml1dir | |
414 | installvendorhtml3dir | |
415 | installvendorlib | |
416 | installvendorman1dir | |
417 | installvendorman3dir | |
418 | installvendorscript | |
419 | )) { | |
88fe16b2 NC |
420 | push @need_relocation, $what if fetch_string({}, $what) =~ m!^\.\.\./!; |
421 | } | |
88fe16b2 NC |
422 | } |
423 | ||
424 | my %need_relocation; | |
425 | @need_relocation{@need_relocation} = @need_relocation; | |
426 | ||
91f668c3 NC |
427 | # This can have .../ anywhere: |
428 | if (fetch_string({}, 'otherlibdirs') =~ m!\.\.\./!) { | |
429 | $need_relocation{otherlibdirs} = 'otherlibdirs'; | |
430 | } | |
431 | ||
88fe16b2 NC |
432 | my $relocation_code = <<'EOT'; |
433 | ||
434 | sub relocate_inc { | |
435 | my $libdir = shift; | |
436 | return $libdir unless $libdir =~ s!^\.\.\./!!; | |
437 | my $prefix = $^X; | |
438 | if ($prefix =~ s!/[^/]*$!!) { | |
439 | while ($libdir =~ m!^\.\./!) { | |
440 | # Loop while $libdir starts "../" and $prefix still has a trailing | |
441 | # directory | |
442 | last unless $prefix =~ s!/([^/]+)$!!; | |
443 | # but bail out if the directory we picked off the end of $prefix is . | |
444 | # or .. | |
445 | if ($1 eq '.' or $1 eq '..') { | |
446 | # Undo! This should be rare, hence code it this way rather than a | |
447 | # check each time before the s!!! above. | |
448 | $prefix = "$prefix/$1"; | |
449 | last; | |
450 | } | |
451 | # Remove that leading ../ and loop again | |
452 | substr ($libdir, 0, 3, ''); | |
453 | } | |
454 | $libdir = "$prefix/$libdir"; | |
455 | } | |
456 | $libdir; | |
457 | } | |
458 | EOT | |
459 | ||
ed9ba3bb JR |
460 | my $osname = fetch_string({}, 'osname'); |
461 | my $from = $osname eq 'VMS' ? 'PERLSHR image' : 'binary (from libperl)'; | |
462 | my $env_cygwin = $osname eq 'cygwin' | |
463 | ? 'push @env, "CYGWIN=\"$ENV{CYGWIN}\"" if $ENV{CYGWIN};' . "\n" : ""; | |
464 | ||
465 | $heavy_txt .= sprintf <<'ENDOFBEG', $osname, $osname, $from, $osname, $env_cygwin; | |
466 | # This file was created by configpm when Perl was built. Any changes | |
467 | # made to this file will be lost the next time perl is built. | |
468 | ||
469 | package Config; | |
470 | use strict; | |
471 | use warnings; | |
3d3a0a8a | 472 | our %%Config; |
ed9ba3bb JR |
473 | |
474 | sub bincompat_options { | |
475 | return split ' ', (Internals::V())[0]; | |
476 | } | |
477 | ||
478 | sub non_bincompat_options { | |
479 | return split ' ', (Internals::V())[1]; | |
480 | } | |
481 | ||
482 | sub compile_date { | |
483 | return (Internals::V())[2] | |
484 | } | |
485 | ||
486 | sub local_patches { | |
487 | my (undef, undef, undef, @patches) = Internals::V(); | |
488 | return @patches; | |
489 | } | |
490 | ||
491 | sub _V { | |
492 | die "Perl lib was built for '%s' but is being run on '$^O'" | |
493 | unless "%s" eq $^O; | |
494 | ||
495 | my ($bincompat, $non_bincompat, $date, @patches) = Internals::V(); | |
496 | ||
0bac45c8 | 497 | my @opts = sort split ' ', "$bincompat $non_bincompat"; |
ed9ba3bb JR |
498 | |
499 | print Config::myconfig(); | |
500 | print "\nCharacteristics of this %s: \n"; | |
501 | ||
0bac45c8 DM |
502 | print " Compile-time options:\n"; |
503 | print " $_\n" for @opts; | |
ed9ba3bb JR |
504 | |
505 | if (@patches) { | |
506 | print " Locally applied patches:\n"; | |
0bac45c8 | 507 | print " $_\n" foreach @patches; |
ed9ba3bb JR |
508 | } |
509 | ||
510 | print " Built under %s\n"; | |
511 | ||
512 | print " $date\n" if defined $date; | |
513 | ||
514 | my @env = map { "$_=\"$ENV{$_}\"" } sort grep {/^PERL/} keys %%ENV; | |
515 | %s | |
516 | if (@env) { | |
517 | print " \%%ENV:\n"; | |
518 | print " $_\n" foreach @env; | |
519 | } | |
520 | print " \@INC:\n"; | |
521 | print " $_\n" foreach @INC; | |
522 | } | |
523 | ||
524 | sub header_files { | |
525 | ENDOFBEG | |
526 | ||
527 | $heavy_txt .= $header_files . "\n}\n\n"; | |
528 | ||
91f668c3 | 529 | if (%need_relocation) { |
88fe16b2 | 530 | my $relocations_in_common; |
91f668c3 NC |
531 | # otherlibdirs only features in the hash |
532 | foreach (keys %need_relocation) { | |
88fe16b2 NC |
533 | $relocations_in_common++ if $Common{$_}; |
534 | } | |
535 | if ($relocations_in_common) { | |
962e59f3 | 536 | $config_txt .= $relocation_code; |
88fe16b2 | 537 | } else { |
962e59f3 | 538 | $heavy_txt .= $relocation_code; |
88fe16b2 NC |
539 | } |
540 | } | |
541 | ||
962e59f3 | 542 | $heavy_txt .= join('', @non_v) . "\n"; |
3c81428c | 543 | |
5435c704 | 544 | # copy config summary format from the myconfig.SH script |
962e59f3 | 545 | $heavy_txt .= "our \$summary = <<'!END!';\n"; |
1ae6ead9 | 546 | open(MYCONFIG,'<','myconfig.SH') || die "open myconfig.SH failed: $!"; |
54310121 | 547 | 1 while defined($_ = <MYCONFIG>) && !/^Summary of/; |
962e59f3 | 548 | do { $heavy_txt .= $_ } until !defined($_ = <MYCONFIG>) || /^\s*$/; |
3c81428c | 549 | close(MYCONFIG); |
a0d0e21e | 550 | |
962e59f3 | 551 | $heavy_txt .= "\n!END!\n" . <<'EOT'; |
90ec21fb | 552 | my $summary_expanded; |
3c81428c | 553 | |
554 | sub myconfig { | |
90ec21fb EM |
555 | return $summary_expanded if $summary_expanded; |
556 | ($summary_expanded = $summary) =~ s{\$(\w+)} | |
46807d8e YO |
557 | { |
558 | my $c; | |
559 | if ($1 eq 'git_ancestor_line') { | |
560 | if ($Config::Config{git_ancestor}) { | |
561 | $c= "\n Ancestor: $Config::Config{git_ancestor}"; | |
562 | } else { | |
563 | $c= ""; | |
564 | } | |
565 | } else { | |
566 | $c = $Config::Config{$1}; | |
567 | } | |
568 | defined($c) ? $c : 'undef' | |
569 | }ge; | |
90ec21fb | 570 | $summary_expanded; |
3c81428c | 571 | } |
5435c704 | 572 | |
8468119f NC |
573 | local *_ = \my $a; |
574 | $_ = <<'!END!'; | |
3c81428c | 575 | EOT |
acbcf0c5 | 576 | #proper lexicographical order of the keys |
8e4ae0ff | 577 | my %seen_var; |
acbcf0c5 YO |
578 | $heavy_txt .= join('', |
579 | map { $_->[-1] } | |
580 | sort {$a->[0] cmp $b->[0] } | |
8e4ae0ff | 581 | grep { !$seen_var{ $_->[0] }++ } |
acbcf0c5 YO |
582 | map { |
583 | /^([^=]+)/ ? [ $1, $_ ] | |
584 | : [ $_, $_ ] # shouldnt happen | |
6c2ae642 | 585 | } @v_others, @v_forced |
acbcf0c5 | 586 | ) . "!END!\n"; |
2855b621 NC |
587 | |
588 | # Only need the dynamic byteorder code in Config.pm if 'byteorder' is one of | |
589 | # the precached keys | |
590 | if ($Common{byteorder}) { | |
962e59f3 | 591 | $config_txt .= $byteorder_code; |
2855b621 | 592 | } else { |
962e59f3 | 593 | $heavy_txt .= $byteorder_code; |
2855b621 | 594 | } |
5435c704 | 595 | |
88fe16b2 | 596 | if (@need_relocation) { |
962e59f3 DM |
597 | $heavy_txt .= 'foreach my $what (qw(' . join (' ', @need_relocation) . |
598 | ")) {\n" . <<'EOT'; | |
8d962fa1 | 599 | s/^($what=)(['"])(.*?)\2/$1 . $2 . relocate_inc($3) . $2/me; |
88fe16b2 NC |
600 | } |
601 | EOT | |
91f668c3 NC |
602 | # Currently it only makes sense to do the ... relocation on Unix, so there's |
603 | # no need to emulate the "which separator for this platform" logic in perl.c - | |
604 | # ':' will always be applicable | |
605 | if ($need_relocation{otherlibdirs}) { | |
962e59f3 | 606 | $heavy_txt .= << 'EOT'; |
91f668c3 NC |
607 | s{^(otherlibdirs=)(['"])(.*?)\2} |
608 | {$1 . $2 . join ':', map {relocate_inc($_)} split ':', $3 . $2}me; | |
609 | EOT | |
610 | } | |
88fe16b2 NC |
611 | } |
612 | ||
962e59f3 | 613 | $heavy_txt .= <<'EOT'; |
2d9d8159 | 614 | s/(byteorder=)(['"]).*?\2/$1$2$Config::byteorder$2/m; |
43d06990 NC |
615 | |
616 | my $config_sh_len = length $_; | |
3be00128 | 617 | |
e935c5a4 | 618 | our $Config_SH_expanded = "\n$_" . << 'EOVIRTUAL'; |
8468119f NC |
619 | EOT |
620 | ||
06482b90 NC |
621 | foreach my $prefix (qw(ccflags ldflags)) { |
622 | my $value = fetch_string ({}, $prefix); | |
623 | my $withlargefiles = fetch_string ({}, $prefix . "_uselargefiles"); | |
27da23d5 JH |
624 | if (defined $withlargefiles) { |
625 | $value =~ s/\Q$withlargefiles\E\b//; | |
962e59f3 | 626 | $heavy_txt .= "${prefix}_nolargefiles='$value'\n"; |
27da23d5 | 627 | } |
06482b90 | 628 | } |
5435c704 | 629 | |
06482b90 NC |
630 | foreach my $prefix (qw(libs libswanted)) { |
631 | my $value = fetch_string ({}, $prefix); | |
27da23d5 JH |
632 | my $withlf = fetch_string ({}, 'libswanted_uselargefiles'); |
633 | next unless defined $withlf; | |
06482b90 NC |
634 | my @lflibswanted |
635 | = split(' ', fetch_string ({}, 'libswanted_uselargefiles')); | |
636 | if (@lflibswanted) { | |
637 | my %lflibswanted; | |
638 | @lflibswanted{@lflibswanted} = (); | |
639 | if ($prefix eq 'libs') { | |
640 | my @libs = grep { /^-l(.+)/ && | |
641 | not exists $lflibswanted{$1} } | |
642 | split(' ', fetch_string ({}, 'libs')); | |
643 | $value = join(' ', @libs); | |
644 | } else { | |
645 | my @libswanted = grep { not exists $lflibswanted{$_} } | |
646 | split(' ', fetch_string ({}, 'libswanted')); | |
647 | $value = join(' ', @libswanted); | |
4b2ec495 | 648 | } |
435ec615 | 649 | } |
962e59f3 | 650 | $heavy_txt .= "${prefix}_nolargefiles='$value'\n"; |
5435c704 NC |
651 | } |
652 | ||
1ae6ead9 | 653 | if (open(my $fh, '<', 'cflags')) { |
2313e9ca JH |
654 | my $ccwarnflags; |
655 | my $ccstdflags; | |
656 | while (<$fh>) { | |
657 | if (/^warn="(.+)"$/) { | |
658 | $ccwarnflags = $1; | |
659 | } elsif (/^stdflags="(.+)"$/) { | |
660 | $ccstdflags = $1; | |
661 | } | |
662 | } | |
663 | if (defined $ccwarnflags) { | |
664 | $heavy_txt .= "ccwarnflags='$ccwarnflags'\n"; | |
665 | } | |
666 | if (defined $ccstdflags) { | |
667 | $heavy_txt .= "ccstdflags='$ccstdflags'\n"; | |
668 | } | |
669 | } | |
670 | ||
962e59f3 | 671 | $heavy_txt .= "EOVIRTUAL\n"; |
06482b90 | 672 | |
46807d8e | 673 | $heavy_txt .= <<'ENDOFGIT'; |
505afc73 | 674 | eval { |
12d7e04d YO |
675 | # do not have hairy conniptions if this isnt available |
676 | require 'Config_git.pl'; | |
677 | $Config_SH_expanded .= $Config::Git_Data; | |
505afc73 YO |
678 | 1; |
679 | } or warn "Warning: failed to load Config_git.pl, something strange about this perl...\n"; | |
46807d8e YO |
680 | ENDOFGIT |
681 | ||
962e59f3 | 682 | $heavy_txt .= $fetch_string; |
06482b90 | 683 | |
962e59f3 | 684 | $config_txt .= <<'ENDOFEND'; |
06482b90 | 685 | |
2d9d8159 | 686 | sub FETCH { |
5435c704 NC |
687 | my($self, $key) = @_; |
688 | ||
689 | # check for cached value (which may be undef so we use exists not defined) | |
9fe67fcb | 690 | return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key); |
a0d0e21e | 691 | } |
9fe67fcb | 692 | |
2d9d8159 NC |
693 | ENDOFEND |
694 | ||
962e59f3 | 695 | $heavy_txt .= <<'ENDOFEND'; |
1a9ca827 | 696 | |
3c81428c | 697 | my $prevpos = 0; |
698 | ||
a0d0e21e LW |
699 | sub FIRSTKEY { |
700 | $prevpos = 0; | |
2ddb7828 | 701 | substr($Config_SH_expanded, 1, index($Config_SH_expanded, '=') - 1 ); |
a0d0e21e LW |
702 | } |
703 | ||
704 | sub NEXTKEY { | |
1a9ca827 NC |
705 | ENDOFEND |
706 | if ($seen_quotes{'"'}) { | |
962e59f3 | 707 | $heavy_txt .= <<'ENDOFEND'; |
435ec615 | 708 | # Find out how the current key's quoted so we can skip to its end. |
3be00128 NC |
709 | my $quote = substr($Config_SH_expanded, |
710 | index($Config_SH_expanded, "=", $prevpos)+1, 1); | |
711 | my $pos = index($Config_SH_expanded, qq($quote\n), $prevpos) + 2; | |
1a9ca827 NC |
712 | ENDOFEND |
713 | } else { | |
714 | # Just ' quotes, so it's much easier. | |
962e59f3 | 715 | $heavy_txt .= <<'ENDOFEND'; |
1a9ca827 NC |
716 | my $pos = index($Config_SH_expanded, qq('\n), $prevpos) + 2; |
717 | ENDOFEND | |
718 | } | |
962e59f3 | 719 | $heavy_txt .= <<'ENDOFEND'; |
3be00128 | 720 | my $len = index($Config_SH_expanded, "=", $pos) - $pos; |
a0d0e21e | 721 | $prevpos = $pos; |
3be00128 | 722 | $len > 0 ? substr($Config_SH_expanded, $pos, $len) : undef; |
85e6fe83 | 723 | } |
a0d0e21e | 724 | |
2ddb7828 | 725 | sub EXISTS { |
5435c704 NC |
726 | return 1 if exists($_[0]->{$_[1]}); |
727 | ||
1a9ca827 NC |
728 | return(index($Config_SH_expanded, "\n$_[1]='") != -1 |
729 | ENDOFEND | |
730 | if ($seen_quotes{'"'}) { | |
962e59f3 | 731 | $heavy_txt .= <<'ENDOFEND'; |
1a9ca827 NC |
732 | or index($Config_SH_expanded, "\n$_[1]=\"") != -1 |
733 | ENDOFEND | |
734 | } | |
962e59f3 | 735 | $heavy_txt .= <<'ENDOFEND'; |
5435c704 | 736 | ); |
a0d0e21e LW |
737 | } |
738 | ||
3c81428c | 739 | sub STORE { die "\%Config::Config is read-only\n" } |
e736dcee | 740 | *DELETE = *CLEAR = \*STORE; # Typeglob aliasing uses less space |
3c81428c | 741 | |
742 | sub config_sh { | |
43d06990 | 743 | substr $Config_SH_expanded, 1, $config_sh_len; |
748a9306 | 744 | } |
9193ea20 | 745 | |
746 | sub config_re { | |
747 | my $re = shift; | |
3be00128 NC |
748 | return map { chomp; $_ } grep eval{ /^(?:$re)=/ }, split /^/, |
749 | $Config_SH_expanded; | |
9193ea20 | 750 | } |
751 | ||
3c81428c | 752 | sub config_vars { |
307dc113 | 753 | # implements -V:cfgvar option (see perlrun -V:) |
a48f8c77 | 754 | foreach (@_) { |
307dc113 | 755 | # find optional leading, trailing colons; and query-spec |
4a305f6a | 756 | my ($notag,$qry,$lncont) = m/^(:)?(.*?)(:)?$/; # flags fore and aft, |
307dc113 JC |
757 | # map colon-flags to print decorations |
758 | my $prfx = $notag ? '': "$qry="; # tag-prefix for print | |
759 | my $lnend = $lncont ? ' ' : ";\n"; # line ending for print | |
4a305f6a | 760 | |
307dc113 | 761 | # all config-vars are by definition \w only, any \W means regex |
4a305f6a JC |
762 | if ($qry =~ /\W/) { |
763 | my @matches = config_re($qry); | |
764 | print map "$_$lnend", @matches ? @matches : "$qry: not found" if !$notag; | |
765 | print map { s/\w+=//; "$_$lnend" } @matches ? @matches : "$qry: not found" if $notag; | |
a48f8c77 | 766 | } else { |
2d9d8159 NC |
767 | my $v = (exists $Config::Config{$qry}) ? $Config::Config{$qry} |
768 | : 'UNKNOWN'; | |
a48f8c77 | 769 | $v = 'undef' unless defined $v; |
4a305f6a | 770 | print "${prfx}'${v}'$lnend"; |
a48f8c77 | 771 | } |
3c81428c | 772 | } |
773 | } | |
774 | ||
2d9d8159 NC |
775 | # Called by the real AUTOLOAD |
776 | sub launcher { | |
777 | undef &AUTOLOAD; | |
778 | goto \&$Config::AUTOLOAD; | |
779 | } | |
780 | ||
781 | 1; | |
9193ea20 | 782 | ENDOFEND |
783 | ||
784 | if ($^O eq 'os2') { | |
962e59f3 | 785 | $config_txt .= <<'ENDOFSET'; |
9193ea20 | 786 | my %preconfig; |
787 | if ($OS2::is_aout) { | |
3be00128 | 788 | my ($value, $v) = $Config_SH_expanded =~ m/^used_aout='(.*)'\s*$/m; |
9193ea20 | 789 | for (split ' ', $value) { |
3be00128 | 790 | ($v) = $Config_SH_expanded =~ m/^aout_$_='(.*)'\s*$/m; |
9193ea20 | 791 | $preconfig{$_} = $v eq 'undef' ? undef : $v; |
792 | } | |
793 | } | |
764df951 | 794 | $preconfig{d_fork} = undef unless $OS2::can_fork; # Some funny cases can't |
9193ea20 | 795 | sub TIEHASH { bless {%preconfig} } |
796 | ENDOFSET | |
a48f8c77 MS |
797 | # Extract the name of the DLL from the makefile to avoid duplication |
798 | my ($f) = grep -r, qw(GNUMakefile Makefile); | |
799 | my $dll; | |
800 | if (open my $fh, '<', $f) { | |
801 | while (<$fh>) { | |
802 | $dll = $1, last if /^PERL_DLL_BASE\s*=\s*(\S*)\s*$/; | |
803 | } | |
30500b05 | 804 | } |
962e59f3 | 805 | $config_txt .= <<ENDOFSET if $dll; |
30500b05 IZ |
806 | \$preconfig{dll_name} = '$dll'; |
807 | ENDOFSET | |
9193ea20 | 808 | } else { |
962e59f3 | 809 | $config_txt .= <<'ENDOFSET'; |
5435c704 NC |
810 | sub TIEHASH { |
811 | bless $_[1], $_[0]; | |
812 | } | |
9193ea20 | 813 | ENDOFSET |
814 | } | |
815 | ||
a8e1d30b NC |
816 | foreach my $key (keys %Common) { |
817 | my $value = fetch_string ({}, $key); | |
818 | # Is it safe on the LHS of => ? | |
819 | my $qkey = $key =~ /^[A-Za-z_][A-Za-z0-9_]*$/ ? $key : "'$key'"; | |
820 | if (defined $value) { | |
821 | # Quote things for a '' string | |
822 | $value =~ s!\\!\\\\!g; | |
823 | $value =~ s!'!\\'!g; | |
824 | $value = "'$value'"; | |
91f668c3 NC |
825 | if ($key eq 'otherlibdirs') { |
826 | $value = "join (':', map {relocate_inc(\$_)} split (':', $value))"; | |
827 | } elsif ($need_relocation{$key}) { | |
88fe16b2 NC |
828 | $value = "relocate_inc($value)"; |
829 | } | |
a8e1d30b NC |
830 | } else { |
831 | $value = "undef"; | |
832 | } | |
833 | $Common{$key} = "$qkey => $value"; | |
834 | } | |
2855b621 NC |
835 | |
836 | if ($Common{byteorder}) { | |
837 | $Common{byteorder} = 'byteorder => $byteorder'; | |
838 | } | |
839 | my $fast_config = join '', map { " $_,\n" } sort values %Common; | |
5435c704 | 840 | |
e4d9df75 FC |
841 | # Sanity check needed to stop an infinite loop if Config_heavy.pl fails to |
842 | # define &launcher for some reason (eg it got truncated) | |
962e59f3 | 843 | $config_txt .= sprintf <<'ENDOFTIE', $fast_config; |
9193ea20 | 844 | |
fb73857a | 845 | sub DESTROY { } |
846 | ||
2d9d8159 | 847 | sub AUTOLOAD { |
c1b2b415 | 848 | require 'Config_heavy.pl'; |
938af39e | 849 | goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/; |
2d9d8159 NC |
850 | die "&Config::AUTOLOAD failed on $Config::AUTOLOAD"; |
851 | } | |
852 | ||
2c165900 | 853 | # tie returns the object, so the value returned to require will be true. |
5435c704 | 854 | tie %%Config, 'Config', { |
a8e1d30b | 855 | %s}; |
5435c704 NC |
856 | ENDOFTIE |
857 | ||
748a9306 | 858 | |
1ae6ead9 | 859 | open(CONFIG_POD, '>', $Config_POD) or die "Can't open $Config_POD: $!"; |
5435c704 | 860 | print CONFIG_POD <<'ENDOFTAIL'; |
3c81428c | 861 | =head1 NAME |
a0d0e21e | 862 | |
926d7580 KW |
863 | =for comment Generated by configpm. Any changes made here will be lost! |
864 | ||
3c81428c | 865 | Config - access Perl configuration information |
866 | ||
867 | =head1 SYNOPSIS | |
868 | ||
869 | use Config; | |
63f18be6 NC |
870 | if ($Config{usethreads}) { |
871 | print "has thread support\n" | |
3c81428c | 872 | } |
873 | ||
a48f8c77 | 874 | use Config qw(myconfig config_sh config_vars config_re); |
3c81428c | 875 | |
876 | print myconfig(); | |
877 | ||
878 | print config_sh(); | |
879 | ||
a48f8c77 MS |
880 | print config_re(); |
881 | ||
3c81428c | 882 | config_vars(qw(osname archname)); |
883 | ||
884 | ||
885 | =head1 DESCRIPTION | |
886 | ||
887 | The Config module contains all the information that was available to | |
888 | the C<Configure> program at Perl build time (over 900 values). | |
889 | ||
890 | Shell variables from the F<config.sh> file (written by Configure) are | |
891 | stored in the readonly-variable C<%Config>, indexed by their names. | |
892 | ||
893 | Values stored in config.sh as 'undef' are returned as undefined | |
1fef88e7 | 894 | values. The perl C<exists> function can be used to check if a |
3c81428c | 895 | named variable exists. |
896 | ||
3acf89b2 MB |
897 | For a description of the variables, please have a look at the |
898 | Glossary file, as written in the Porting folder, or use the url: | |
47ef154c | 899 | https://github.com/Perl/perl5/blob/blead/Porting/Glossary |
3acf89b2 | 900 | |
3c81428c | 901 | =over 4 |
902 | ||
903 | =item myconfig() | |
904 | ||
905 | Returns a textual summary of the major perl configuration values. | |
2788353a | 906 | See also C<-V> in L<perlrun/Command Switches>. |
3c81428c | 907 | |
908 | =item config_sh() | |
909 | ||
910 | Returns the entire perl configuration information in the form of the | |
911 | original config.sh shell variable assignment script. | |
912 | ||
a48f8c77 MS |
913 | =item config_re($regex) |
914 | ||
915 | Like config_sh() but returns, as a list, only the config entries who's | |
916 | names match the $regex. | |
917 | ||
3c81428c | 918 | =item config_vars(@names) |
919 | ||
920 | Prints to STDOUT the values of the named configuration variable. Each is | |
921 | printed on a separate line in the form: | |
922 | ||
923 | name='value'; | |
924 | ||
925 | Names which are unknown are output as C<name='UNKNOWN';>. | |
2788353a | 926 | See also C<-V:name> in L<perlrun/Command Switches>. |
3c81428c | 927 | |
3acb769b NC |
928 | =item bincompat_options() |
929 | ||
930 | Returns a list of C pre-processor options used when compiling this F<perl> | |
931 | binary, which affect its binary compatibility with extensions. | |
932 | C<bincompat_options()> and C<non_bincompat_options()> are shown together in | |
933 | the output of C<perl -V> as I<Compile-time options>. | |
934 | ||
935 | =item non_bincompat_options() | |
936 | ||
937 | Returns a list of C pre-processor options used when compiling this F<perl> | |
938 | binary, which do not affect binary compatibility with extensions. | |
939 | ||
940 | =item compile_date() | |
941 | ||
942 | Returns the compile date (as a string), equivalent to what is shown by | |
943 | C<perl -V> | |
944 | ||
945 | =item local_patches() | |
946 | ||
947 | Returns a list of the names of locally applied patches, equivalent to what | |
948 | is shown by C<perl -V>. | |
949 | ||
1f0fc1c9 NC |
950 | =item header_files() |
951 | ||
952 | Returns a list of the header files that should be used as dependencies for | |
953 | XS code, for this version of Perl on this platform. | |
954 | ||
3c81428c | 955 | =back |
956 | ||
957 | =head1 EXAMPLE | |
958 | ||
959 | Here's a more sophisticated example of using %Config: | |
960 | ||
961 | use Config; | |
743c51bc W |
962 | use strict; |
963 | ||
964 | my %sig_num; | |
965 | my @sig_name; | |
966 | unless($Config{sig_name} && $Config{sig_num}) { | |
967 | die "No sigs?"; | |
968 | } else { | |
969 | my @names = split ' ', $Config{sig_name}; | |
970 | @sig_num{@names} = split ' ', $Config{sig_num}; | |
971 | foreach (@names) { | |
972 | $sig_name[$sig_num{$_}] ||= $_; | |
973 | } | |
974 | } | |
3c81428c | 975 | |
743c51bc W |
976 | print "signal #17 = $sig_name[17]\n"; |
977 | if ($sig_num{ALRM}) { | |
978 | print "SIGALRM is $sig_num{ALRM}\n"; | |
3c81428c | 979 | } |
980 | ||
981 | =head1 WARNING | |
982 | ||
983 | Because this information is not stored within the perl executable | |
984 | itself it is possible (but unlikely) that the information does not | |
985 | relate to the actual perl binary which is being used to access it. | |
986 | ||
987 | The Config module is installed into the architecture and version | |
988 | specific library directory ($Config{installarchlib}) and it checks the | |
989 | perl version number when loaded. | |
990 | ||
435ec615 HM |
991 | The values stored in config.sh may be either single-quoted or |
992 | double-quoted. Double-quoted strings are handy for those cases where you | |
993 | need to include escape sequences in the strings. To avoid runtime variable | |
994 | interpolation, any C<$> and C<@> characters are replaced by C<\$> and | |
995 | C<\@>, respectively. This isn't foolproof, of course, so don't embed C<\$> | |
996 | or C<\@> in double-quoted strings unless you're willing to deal with the | |
997 | consequences. (The slashes will end up escaped and the C<$> or C<@> will | |
998 | trigger variable interpolation) | |
999 | ||
ebc74a4b GS |
1000 | =head1 GLOSSARY |
1001 | ||
1002 | Most C<Config> variables are determined by the C<Configure> script | |
1003 | on platforms supported by it (which is most UNIX platforms). Some | |
1004 | platforms have custom-made C<Config> variables, and may thus not have | |
1005 | some of the variables described below, or may have extraneous variables | |
1006 | specific to that particular port. See the port specific documentation | |
1007 | in such cases. | |
1008 | ||
c90cd22b RGS |
1009 | =cut |
1010 | ||
ebc74a4b GS |
1011 | ENDOFTAIL |
1012 | ||
5435c704 | 1013 | if ($Opts{glossary}) { |
1ae6ead9 | 1014 | open(GLOS, '<', $Glossary) or die "Can't open $Glossary: $!"; |
18f68570 | 1015 | } |
2f4f46ad NC |
1016 | my %seen = (); |
1017 | my $text = 0; | |
fb87c415 | 1018 | $/ = ''; |
8b4a1c96 | 1019 | my $errors= 0; |
fb87c415 IZ |
1020 | |
1021 | sub process { | |
aade5aff YST |
1022 | if (s/\A(\w*)\s+\(([\w.]+)\):\s*\n(\t?)/=item C<$1>\n\nFrom F<$2>:\n\n/m) { |
1023 | my $c = substr $1, 0, 1; | |
1024 | unless ($seen{$c}++) { | |
5435c704 | 1025 | print CONFIG_POD <<EOF if $text; |
fb87c415 | 1026 | =back |
ebc74a4b | 1027 | |
fb87c415 | 1028 | EOF |
5435c704 | 1029 | print CONFIG_POD <<EOF; |
fb87c415 IZ |
1030 | =head2 $c |
1031 | ||
bbc7dcd2 | 1032 | =over 4 |
fb87c415 IZ |
1033 | |
1034 | EOF | |
aade5aff YST |
1035 | $text = 1; |
1036 | } | |
1037 | } | |
1038 | elsif (!$text || !/\A\t/) { | |
1039 | warn "Expected a Configure variable header", | |
8b4a1c96 YO |
1040 | ($text ? " or another paragraph of description" : () ), |
1041 | ", instead we got:\n$_"; | |
1042 | $errors++; | |
fb87c415 IZ |
1043 | } |
1044 | s/n't/n\00t/g; # leave can't, won't etc untouched | |
9b22980b | 1045 | s/^\t\s+(.*)/\n$1/gm; # Indented lines ===> new paragraph |
fb87c415 IZ |
1046 | s/^(?<!\n\n)\t(.*)/$1/gm; # Not indented lines ===> text |
1047 | s{([\'\"])(?=[^\'\"\s]*[./][^\'\"\s]*\1)([^\'\"\s]+)\1}(F<$2>)g; # '.o' | |
1048 | s{([\'\"])([^\'\"\s]+)\1}(C<$2>)g; # "date" command | |
1049 | s{\'([A-Za-z_\- *=/]+)\'}(C<$1>)g; # 'ln -s' | |
1050 | s{ | |
24665371 | 1051 | (?<! [\w./<\'\"\$] ) # Only standalone file names |
fb87c415 IZ |
1052 | (?! e \. g \. ) # Not e.g. |
1053 | (?! \. \. \. ) # Not ... | |
1054 | (?! \d ) # Not 5.004 | |
a1151a3c RGS |
1055 | (?! read/ ) # Not read/write |
1056 | (?! etc\. ) # Not etc. | |
1057 | (?! I/O ) # Not I/O | |
1058 | ( | |
1059 | \$ ? # Allow leading $ | |
1060 | [\w./]* [./] [\w./]* # Require . or / inside | |
1061 | ) | |
1062 | (?<! \. (?= [\s)] ) ) # Do not include trailing dot | |
fb87c415 IZ |
1063 | (?! [\w/] ) # Include all of it |
1064 | } | |
1065 | (F<$1>)xg; # /usr/local | |
1066 | s/((?<=\s)~\w*)/F<$1>/g; # ~name | |
1067 | s/(?<![.<\'\"])\b([A-Z_]{2,})\b(?![\'\"])/C<$1>/g; # UNISTD | |
1068 | s/(?<![.<\'\"])\b(?!the\b)(\w+)\s+macro\b/C<$1> macro/g; # FILE_cnt macro | |
1069 | s/n[\0]t/n't/g; # undo can't, won't damage | |
ebc74a4b GS |
1070 | } |
1071 | ||
5435c704 | 1072 | if ($Opts{glossary}) { |
7701ffb5 JH |
1073 | <GLOS>; # Skip the "DO NOT EDIT" |
1074 | <GLOS>; # Skip the preamble | |
18f68570 VK |
1075 | while (<GLOS>) { |
1076 | process; | |
5435c704 | 1077 | print CONFIG_POD; |
18f68570 | 1078 | } |
8b4a1c96 YO |
1079 | if ($errors) { |
1080 | die "Errors encountered while processing $Glossary. ", | |
1081 | "Header lines are expected to be of the form:\n", | |
1082 | "NAME (CLASS):\n", | |
1083 | "Maybe there is a malformed header?\n", | |
1084 | ; | |
1085 | } | |
fb87c415 | 1086 | } |
ebc74a4b | 1087 | |
5435c704 | 1088 | print CONFIG_POD <<'ENDOFTAIL'; |
ebc74a4b GS |
1089 | |
1090 | =back | |
1091 | ||
58ab6743 RS |
1092 | =head1 GIT DATA |
1093 | ||
1094 | Information on the git commit from which the current perl binary was compiled | |
1095 | can be found in the variable C<$Config::Git_Data>. The variable is a | |
1096 | structured string that looks something like this: | |
1097 | ||
1098 | git_commit_id='ea0c2dbd5f5ac6845ecc7ec6696415bf8e27bd52' | |
1099 | git_describe='GitLive-blead-1076-gea0c2db' | |
1100 | git_branch='smartmatch' | |
1101 | git_uncommitted_changes='' | |
1102 | git_commit_id_title='Commit id:' | |
1103 | git_commit_date='2009-05-09 17:47:31 +0200' | |
1104 | ||
1105 | Its format is not guaranteed not to change over time. | |
1106 | ||
3c81428c | 1107 | =head1 NOTE |
1108 | ||
1109 | This module contains a good example of how to use tie to implement a | |
1110 | cache and an example of how to make a tied variable readonly to those | |
1111 | outside of it. | |
1112 | ||
1113 | =cut | |
a0d0e21e | 1114 | |
9193ea20 | 1115 | ENDOFTAIL |
a0d0e21e | 1116 | |
962e59f3 | 1117 | close(GLOS) if $Opts{glossary}; |
5435c704 | 1118 | close(CONFIG_POD); |
8ed6d636 | 1119 | print "written $Config_POD\n"; |
962e59f3 DM |
1120 | |
1121 | my $orig_config_txt = ""; | |
1122 | my $orig_heavy_txt = ""; | |
1123 | { | |
1124 | local $/; | |
1125 | my $fh; | |
1126 | $orig_config_txt = <$fh> if open $fh, "<", $Config_PM; | |
1127 | $orig_heavy_txt = <$fh> if open $fh, "<", $Config_heavy; | |
1128 | } | |
1129 | ||
1130 | if ($orig_config_txt ne $config_txt or $orig_heavy_txt ne $heavy_txt) { | |
1131 | open CONFIG, ">", $Config_PM or die "Can't open $Config_PM: $!\n"; | |
1132 | open CONFIG_HEAVY, ">", $Config_heavy or die "Can't open $Config_heavy: $!\n"; | |
1133 | print CONFIG $config_txt; | |
1134 | print CONFIG_HEAVY $heavy_txt; | |
1135 | close(CONFIG_HEAVY); | |
1136 | close(CONFIG); | |
1137 | print "updated $Config_PM\n"; | |
1138 | print "updated $Config_heavy\n"; | |
1139 | } | |
1140 | ||
a0d0e21e LW |
1141 | # Now do some simple tests on the Config.pm file we have created |
1142 | unshift(@INC,'lib'); | |
5435c704 | 1143 | require $Config_PM; |
13bce055 | 1144 | require $Config_heavy; |
a0d0e21e LW |
1145 | import Config; |
1146 | ||
5435c704 | 1147 | die "$0: $Config_PM not valid" |
a02608de | 1148 | unless $Config{'PERL_CONFIG_SH'} eq 'true'; |
a0d0e21e | 1149 | |
5435c704 | 1150 | die "$0: error processing $Config_PM" |
a0d0e21e | 1151 | if defined($Config{'an impossible name'}) |
a02608de | 1152 | or $Config{'PERL_CONFIG_SH'} ne 'true' # test cache |
a0d0e21e LW |
1153 | ; |
1154 | ||
5435c704 | 1155 | die "$0: error processing $Config_PM" |
a0d0e21e LW |
1156 | if eval '$Config{"cc"} = 1' |
1157 | or eval 'delete $Config{"cc"}' | |
1158 | ; | |
1159 | ||
1160 | ||
85e6fe83 | 1161 | exit 0; |
a8e1d30b NC |
1162 | # Popularity of various entries in %Config, based on a large build and test |
1163 | # run of code in the Fotango build system: | |
1164 | __DATA__ | |
1165 | path_sep: 8490 | |
1166 | d_readlink: 7101 | |
1167 | d_symlink: 7101 | |
1168 | archlibexp: 4318 | |
1169 | sitearchexp: 4305 | |
1170 | sitelibexp: 4305 | |
1171 | privlibexp: 4163 | |
1172 | ldlibpthname: 4041 | |
1173 | libpth: 2134 | |
1174 | archname: 1591 | |
1175 | exe_ext: 1256 | |
1176 | scriptdir: 1155 | |
1177 | version: 1116 | |
1178 | useithreads: 1002 | |
1179 | osvers: 982 | |
1180 | osname: 851 | |
1181 | inc_version_list: 783 | |
1182 | dont_use_nlink: 779 | |
1183 | intsize: 759 | |
1184 | usevendorprefix: 642 | |
1185 | dlsrc: 624 | |
1186 | cc: 541 | |
1187 | lib_ext: 520 | |
1188 | so: 512 | |
1189 | ld: 501 | |
1190 | ccdlflags: 500 | |
1191 | ldflags: 495 | |
1192 | obj_ext: 495 | |
1193 | cccdlflags: 493 | |
1194 | lddlflags: 493 | |
1195 | ar: 492 | |
1196 | dlext: 492 | |
1197 | libc: 492 | |
1198 | ranlib: 492 | |
1199 | full_ar: 491 | |
1200 | vendorarchexp: 491 | |
1201 | vendorlibexp: 491 | |
1202 | installman1dir: 489 | |
1203 | installman3dir: 489 | |
1204 | installsitebin: 489 | |
1205 | installsiteman1dir: 489 | |
1206 | installsiteman3dir: 489 | |
1207 | installvendorman1dir: 489 | |
1208 | installvendorman3dir: 489 | |
1209 | d_flexfnam: 474 | |
1210 | eunicefix: 360 | |
1211 | d_link: 347 | |
1212 | installsitearch: 344 | |
1213 | installscript: 341 | |
1214 | installprivlib: 337 | |
1215 | binexp: 336 | |
1216 | installarchlib: 336 | |
1217 | installprefixexp: 336 | |
1218 | installsitelib: 336 | |
1219 | installstyle: 336 | |
1220 | installvendorarch: 336 | |
1221 | installvendorbin: 336 | |
1222 | installvendorlib: 336 | |
1223 | man1ext: 336 | |
1224 | man3ext: 336 | |
1225 | sh: 336 | |
1226 | siteprefixexp: 336 | |
1227 | installbin: 335 | |
1228 | usedl: 332 | |
1229 | ccflags: 285 | |
1230 | startperl: 232 | |
1231 | optimize: 231 | |
1232 | usemymalloc: 229 | |
1233 | cpprun: 228 | |
1234 | sharpbang: 228 | |
1235 | perllibs: 225 | |
1236 | usesfio: 224 | |
1237 | usethreads: 220 | |
1238 | perlpath: 218 | |
1239 | extensions: 217 | |
1240 | usesocks: 208 | |
1241 | shellflags: 198 | |
1242 | make: 191 | |
1243 | d_pwage: 189 | |
1244 | d_pwchange: 189 | |
1245 | d_pwclass: 189 | |
1246 | d_pwcomment: 189 | |
1247 | d_pwexpire: 189 | |
1248 | d_pwgecos: 189 | |
1249 | d_pwpasswd: 189 | |
1250 | d_pwquota: 189 | |
1251 | gccversion: 189 | |
1252 | libs: 186 | |
1253 | useshrplib: 186 | |
1254 | cppflags: 185 | |
1255 | ptrsize: 185 | |
1256 | shrpenv: 185 | |
1257 | static_ext: 185 | |
1258 | use5005threads: 185 | |
1259 | uselargefiles: 185 | |
1260 | alignbytes: 184 | |
1261 | byteorder: 184 | |
1262 | ccversion: 184 | |
1263 | config_args: 184 | |
1264 | cppminus: 184 |