#!./miniperl -w
+#
+# configpm
+#
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+# 2002, 2003, 2004, 2005, 2006, 2007 Larry Wall and others.
+#
+#
+# Regenerate the files
+#
+# lib/Config.pm
+# lib/Config_heavy.pl
+# lib/Config.pod
+# lib/Cross.pm (optionally)
+#
+#
+# from the contents of the static files
+#
+# Porting/Glossary
+# myconfig.SH
+#
+# and from the contents of the Configure-generated file
+#
+# config.sh
+#
+# Note that output directory is xlib/[cross-name]/ for cross-compiling
+#
+# It will only update Config.pm and Config_heavy.pl if the contents of
+# either file would be different. Note that *both* files are updated in
+# this case, since for example an extension makefile that has a dependency
+# on Config.pm should trigger even if only Config_heavy.pl has changed.
+
+sub usage { die <<EOF }
+usage: $0 [ options ]
+ --cross=PLATFORM cross-compile for a different platform
+ --no-glossary don't include Porting/Glossary in lib/Config.pod
+ --chdir=dir change directory before writing files
+EOF
+
use strict;
use vars qw(%Config $Config_SH_expanded);
$Common{$1} = $1;
}
+# Post 37589e1eefb1bd62 DynaLoader defaults to reading these at runtime.
+# Ideally we're redo the data below, but Fotango's build system made it
+# wonderfully easy to instrument, and no longer exists.
+$Common{$_} = $_ foreach qw(dlext so);
+
# names of things which may need to have slashes changed to double-colons
my %Extensions = map {($_,$_)}
qw(dynamic_ext static_ext extensions known_extensions);
+# The plan is that this information is used by ExtUtils::MakeMaker to generate
+# Makefile dependencies, rather than hardcoding a list, which has become out
+# of date. However, currently, MM_Unix.pm and MM_VMS.pm have *different* lists,
+# *and* descrip_mms.template doesn't actually install all the headers.
+# The "Unix" list seems to (attempt to) avoid the generated headers, which I'm
+# not sure is the right thing to do. Also, not certain whether it would be
+# easier to parse MANIFEST to get these (adding config.h, and potentially
+# removing others), but for now, stick to a hard coded list.
+
+# Could use a map to add ".h", but I suspect that it's easier to use literals,
+# so that anyone using grep will find them
+# This is the list from MM_VMS, plus pad.h, parser.h, perlsfio.h utf8.h
+# which it installs. It *doesn't* install perliol.h - FIXME.
+my @header_files = qw(EXTERN.h INTERN.h XSUB.h av.h config.h cop.h cv.h
+ embed.h embedvar.h form.h gv.h handy.h hv.h hv_func.h intrpvar.h
+ iperlsys.h keywords.h mg.h nostdio.h op.h opcode.h
+ pad.h parser.h patchlevel.h perl.h perlio.h perlsdio.h
+ perlsfio.h perlvars.h perly.h pp.h pp_proto.h proto.h
+ regcomp.h regexp.h regnodes.h scope.h sv.h thread.h utf8.h
+ util.h);
+
+push @header_files,
+ $^O eq 'VMS' ? 'vmsish.h' : qw(dosish.h perliol.h time64.h unixish.h);
+
+my $header_files = ' return qw(' . join(' ', sort @header_files) . ');';
+$header_files =~ s/(?=.{64}) # If line is still overlength
+ (.{1,64})\ # Split at the last convenient space
+ /$1\n /gx;
+
# allowed opts as well as specifies default and initial values
my %Allowed_Opts = (
'cross' => '', # --cross=PLATFORM - crosscompiling for PLATFORM
'glossary' => 1, # --no-glossary - no glossary file inclusion,
# for compactness
- 'heavy' => '', # pathname of the Config_heavy.pl file
+ 'chdir' => '', # --chdir=dir - change directory before writing files
);
sub opts {
my %opts = (%Allowed_Opts, %given_opts);
for my $opt (grep {!exists $Allowed_Opts{$_}} keys %given_opts) {
- die "option '$opt' is not recognized";
+ warn "option '$opt' is not recognized";
+ usage;
}
@ARGV = grep {!/^--/} @ARGV;
my %Opts = opts();
-my ($Config_PM, $Config_heavy);
-my $Glossary = $ARGV[1] || 'Porting/Glossary';
+if ($Opts{chdir}) {
+ chdir $Opts{chdir} or die "$0: could not chdir $Opts{chdir}: $!"
+}
+
+my ($Config_SH, $Config_PM, $Config_heavy, $Config_POD);
+my $Glossary = 'Porting/Glossary';
if ($Opts{cross}) {
# creating cross-platform config file
mkdir "xlib";
mkdir "xlib/$Opts{cross}";
- $Config_PM = $ARGV[0] || "xlib/$Opts{cross}/Config.pm";
+ $Config_PM = "xlib/$Opts{cross}/Config.pm";
+ $Config_POD = "xlib/$Opts{cross}/Config.pod";
+ $Config_SH = "Cross/config-$Opts{cross}.sh";
}
else {
- $Config_PM = $ARGV[0] || 'lib/Config.pm';
-}
-if ($Opts{heavy}) {
- $Config_heavy = $Opts{heavy};
-}
-else {
- ($Config_heavy = $Config_PM) =~ s!\.pm$!_heavy.pl!;
- die "Can't automatically determine name for Config_heavy.pl from '$Config_PM'"
- if $Config_heavy eq $Config_PM;
+ $Config_PM = "lib/Config.pm";
+ $Config_POD = "lib/Config.pod";
+ $Config_SH = "config.sh";
}
+($Config_heavy = $Config_PM) =~ s/\.pm$/_heavy.pl/;
+die "Can't automatically determine name for Config_heavy.pl from '$Config_PM'"
+ if $Config_heavy eq $Config_PM;
-open CONFIG, ">$Config_PM" or die "Can't open $Config_PM: $!\n";
-open CONFIG_HEAVY, ">$Config_heavy" or die "Can't open $Config_heavy: $!\n";
+my $config_txt;
+my $heavy_txt;
-print CONFIG_HEAVY <<'ENDOFBEG';
+my $from = $^O eq 'VMS' ? 'PERLSHR image' : 'binary (from libperl)';
+my $env_cygwin = $^O eq 'cygwin'
+ ? 'push @env, "CYGWIN=\"$ENV{CYGWIN}\"" if $ENV{CYGWIN};' . "\n" : "";
+$heavy_txt .= sprintf <<'ENDOFBEG', $^O, $^O, $from, $^O, $env_cygwin;
# This file was created by configpm when Perl was built. Any changes
# made to this file will be lost the next time perl is built.
package Config;
use strict;
-# use warnings; Pulls in Carp
-# use vars pulls in Carp
+use warnings;
+use vars '%%Config';
+
+sub bincompat_options {
+ return split ' ', (Internals::V())[0];
+}
+
+sub non_bincompat_options {
+ return split ' ', (Internals::V())[1];
+}
+
+sub compile_date {
+ return (Internals::V())[2]
+}
+
+sub local_patches {
+ my (undef, undef, undef, @patches) = Internals::V();
+ return @patches;
+}
+
+sub _V {
+ die "Perl lib was built for '%s' but is being run on '$^O'"
+ unless "%s" eq $^O;
+
+ my ($bincompat, $non_bincompat, $date, @patches) = Internals::V();
+
+ my $opts = join ' ', sort split ' ', "$bincompat $non_bincompat";
+
+ # wrap at 76 columns.
+
+ $opts =~ s/(?=.{53})(.{1,53}) /$1\n /mg;
+
+ print Config::myconfig();
+ print "\nCharacteristics of this %s: \n";
+
+ print " Compile-time options: $opts\n";
+
+ if (@patches) {
+ print " Locally applied patches:\n";
+ print "\t$_\n" foreach @patches;
+ }
+
+ print " Built under %s\n";
+
+ print " $date\n" if defined $date;
+
+ my @env = map { "$_=\"$ENV{$_}\"" } sort grep {/^PERL/} keys %%ENV;
+%s
+ if (@env) {
+ print " \%%ENV:\n";
+ print " $_\n" foreach @env;
+ }
+ print " \@INC:\n";
+ print " $_\n" foreach @INC;
+}
+
+sub header_files {
ENDOFBEG
-my $myver = sprintf "v%vd", $^V;
+$heavy_txt .= $header_files . "\n}\n\n";
+
+my $export_funcs = <<'EOT';
+my %Export_Cache = (myconfig => 1, config_sh => 1, config_vars => 1,
+ config_re => 1, compile_date => 1, local_patches => 1,
+ bincompat_options => 1, non_bincompat_options => 1,
+ header_files => 1);
+EOT
+
+my %export_ok = eval $export_funcs or die;
-printf CONFIG <<'ENDOFBEG', ($myver) x 3;
+$config_txt .= sprintf << 'EOT', $], $export_funcs;
# This file was created by configpm when Perl was built. Any changes
# made to this file will be lost the next time perl is built.
+# for a description of the variables, please have a look at the
+# Glossary file, as written in the Porting folder, or use the url:
+# http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary
+
package Config;
use strict;
-# use warnings; Pulls in Carp
-# use vars pulls in Carp
+use warnings;
+use vars '%%Config', '$VERSION';
+
+$VERSION = "%s";
+
+# Skip @Config::EXPORT because it only contains %%Config, which we special
+# case below as it's not a function. @Config::EXPORT won't change in the
+# lifetime of Perl 5.
+%s
@Config::EXPORT = qw(%%Config);
-@Config::EXPORT_OK = qw(myconfig config_sh config_vars config_re);
+@Config::EXPORT_OK = keys %%Export_Cache;
# Need to stub all the functions to make code such as print Config::config_sh
# keep working
-sub myconfig;
-sub config_sh;
-sub config_vars;
-sub config_re;
+EOT
+
+$config_txt .= "sub $_;\n" foreach sort keys %export_ok;
-my %%Export_Cache = map {($_ => 1)} (@Config::EXPORT, @Config::EXPORT_OK);
+my $myver = sprintf "%vd", $^V;
-our %%Config;
+$config_txt .= sprintf <<'ENDOFBEG', ($myver) x 3;
# Define our own import method to avoid pulling in the full Exporter:
sub import {
- my $pkg = shift;
+ shift;
@_ = @Config::EXPORT unless @_;
my @funcs = grep $_ ne '%%Config', @_;
no strict 'refs';
my $callpkg = caller(0);
foreach my $func (@funcs) {
- die sprintf qq{"%%s" is not exported by the %%s module\n},
- $func, __PACKAGE__ unless $Export_Cache{$func};
+ die qq{"$func" is not exported by the Config module\n}
+ unless $Export_Cache{$func};
*{$callpkg.'::'.$func} = \&{$func};
}
return;
}
-die "Perl lib version (%s) doesn't match executable version ($])"
+die "Perl lib version (%s) doesn't match executable '$0' version ($])"
unless $^V;
$^V eq %s
- or die "Perl lib version (%s) doesn't match executable version (" .
+ or die "Perl lib version (%s) doesn't match executable '$0' version (" .
sprintf("v%%vd",$^V) . ")";
ENDOFBEG
my @v_others = ();
my $in_v = 0;
my %Data = ();
+my $quote;
my %seen_quotes;
{
my ($name, $val);
- open(CONFIG_SH, 'config.sh') || die "Can't open config.sh: $!";
+ open(CONFIG_SH, $Config_SH) || die "Can't open $Config_SH: $!";
while (<CONFIG_SH>) {
next if m:^#!/bin/sh:;
push(@non_v, "#$_"); # not a name='value' line
next;
}
- my $quote = $2;
if ($in_v) {
$val .= $_;
}
else {
+ $quote = $2;
($name,$val) = ($1,$3);
}
$in_v = $val !~ /$quote\n/;
if ($seen_quotes{'"'}) {
# We need the full ' and " code
- $fetch_string .= <<'EOT';
- my $quote_type = "'";
- my $marker = "$key=";
-
- # Check for the common case, ' delimited
- my $start = index($Config_SH_expanded, "\n$marker$quote_type");
- # If that failed, check for " delimited
- if ($start == -1) {
- $quote_type = '"';
- $start = index($Config_SH_expanded, "\n$marker$quote_type");
- }
-EOT
-} else {
- $fetch_string .= <<'EOT';
- # We only have ' delimted.
- my $start = index($Config_SH_expanded, "\n$key=\'");
-EOT
-}
-$fetch_string .= <<'EOT';
- # Start can never be -1 now, as we've rigged the long string we're
- # searching with an initial dummy newline.
- return undef if $start == -1;
- $start += length($key) + 3;
-
-EOT
-if (!$seen_quotes{'"'}) {
- # Don't need the full ' and " code, or the eval expansion.
- $fetch_string .= <<'EOT';
- my $value = substr($Config_SH_expanded, $start,
- index($Config_SH_expanded, "'\n", $start)
- - $start);
-EOT
-} else {
- $fetch_string .= <<'EOT';
- my $value = substr($Config_SH_expanded, $start,
- index($Config_SH_expanded, "$quote_type\n", $start)
- - $start);
+$fetch_string .= <<'EOT';
+ return undef unless my ($quote_type, $value) = $Config_SH_expanded =~ /\n$key=(['"])(.*?)\1\n/s;
# If we had a double-quote, we'd better eval it so escape
# sequences and such can be interpolated. Since the incoming
# value is supposed to follow shell rules and not perl rules,
# we escape any perl variable markers
+
+ # Historically, since " 'support' was added in change 1409, the
+ # interpolation was done before the undef. Stick to this arguably buggy
+ # behaviour as we're refactoring.
if ($quote_type eq '"') {
$value =~ s/\$/\\\$/g;
$value =~ s/\@/\\\@/g;
eval "\$value = \"$value\"";
}
-EOT
+
+ # So we can say "if $Config{'foo'}".
+ $self->{$key} = $value eq 'undef' ? undef : $value; # cache it
}
+EOT
+
+} else {
+ # We only have ' delimited.
+
$fetch_string .= <<'EOT';
+ return undef unless $Config_SH_expanded =~ /\n$key=\'(.*?)\'\n/s;
# So we can say "if $Config{'foo'}".
- $value = undef if $value eq 'undef';
- $self->{$key} = $value; # cache it
+ $self->{$key} = $1 eq 'undef' ? undef : $1;
}
EOT
+}
+
eval $fetch_string;
die if $@;
my $byteorder_code;
if ($s == 4 || $s == 8) {
- my $list = join ',', reverse(2..$s);
+ my $list = join ',', reverse(1..$s-1);
my $format = 'a'x$s;
$byteorder_code = <<"EOT";
-my \$i = 0;
-foreach my \$c ($list) { \$i |= ord(\$c); \$i <<= 8 }
-\$i |= ord(1);
+my \$i = ord($s);
+foreach my \$c ($list) { \$i <<= 8; \$i |= ord(\$c); }
our \$byteorder = join('', unpack('$format', pack('$f', \$i)));
EOT
} else {
my @need_relocation;
if (fetch_string({},'userelocatableinc')) {
- foreach my $what (qw(archlibexp
+ foreach my $what (qw(prefixexp
+
+ archlibexp
+ html1direxp
+ html3direxp
+ man1direxp
+ man3direxp
privlibexp
+ scriptdirexp
sitearchexp
+ sitebinexp
+ sitehtml1direxp
+ sitehtml3direxp
sitelibexp
- sitelib_stem
+ siteman1direxp
+ siteman3direxp
+ sitescriptexp
vendorarchexp
+ vendorbinexp
+ vendorhtml1direxp
+ vendorhtml3direxp
vendorlibexp
- vendorlib_stem)) {
+ vendorman1direxp
+ vendorman3direxp
+ vendorscriptexp
+
+ siteprefixexp
+ sitelib_stem
+ vendorlib_stem
+
+ installarchlib
+ installhtml1dir
+ installhtml3dir
+ installman1dir
+ installman3dir
+ installprefix
+ installprefixexp
+ installprivlib
+ installscript
+ installsitearch
+ installsitebin
+ installsitehtml1dir
+ installsitehtml3dir
+ installsitelib
+ installsiteman1dir
+ installsiteman3dir
+ installsitescript
+ installvendorarch
+ installvendorbin
+ installvendorhtml1dir
+ installvendorhtml3dir
+ installvendorlib
+ installvendorman1dir
+ installvendorman3dir
+ installvendorscript
+ )) {
push @need_relocation, $what if fetch_string({}, $what) =~ m!^\.\.\./!;
}
}
$relocations_in_common++ if $Common{$_};
}
if ($relocations_in_common) {
- print CONFIG $relocation_code;
+ $config_txt .= $relocation_code;
} else {
- print CONFIG_HEAVY $relocation_code;
+ $heavy_txt .= $relocation_code;
}
}
-print CONFIG_HEAVY @non_v, "\n";
+$heavy_txt .= join('', @non_v) . "\n";
# copy config summary format from the myconfig.SH script
-print CONFIG_HEAVY "our \$summary : unique = <<'!END!';\n";
+$heavy_txt .= "our \$summary = <<'!END!';\n";
open(MYCONFIG,"<myconfig.SH") || die "open myconfig.SH failed: $!";
1 while defined($_ = <MYCONFIG>) && !/^Summary of/;
-do { print CONFIG_HEAVY $_ } until !defined($_ = <MYCONFIG>) || /^\s*$/;
+do { $heavy_txt .= $_ } until !defined($_ = <MYCONFIG>) || /^\s*$/;
close(MYCONFIG);
-# NB. as $summary is unique, we need to copy it in a lexical variable
-# before expanding it, because may have been made readonly if a perl
-# interpreter has been cloned.
-
-print CONFIG_HEAVY "\n!END!\n", <<'EOT';
+$heavy_txt .= "\n!END!\n" . <<'EOT';
my $summary_expanded;
sub myconfig {
return $summary_expanded if $summary_expanded;
($summary_expanded = $summary) =~ s{\$(\w+)}
- { my $c = $Config::Config{$1}; defined($c) ? $c : 'undef' }ge;
+ {
+ my $c;
+ if ($1 eq 'git_ancestor_line') {
+ if ($Config::Config{git_ancestor}) {
+ $c= "\n Ancestor: $Config::Config{git_ancestor}";
+ } else {
+ $c= "";
+ }
+ } else {
+ $c = $Config::Config{$1};
+ }
+ defined($c) ? $c : 'undef'
+ }ge;
$summary_expanded;
}
$_ = <<'!END!';
EOT
-print CONFIG_HEAVY join('', sort @v_others), "!END!\n";
+$heavy_txt .= join('', sort @v_others) . "!END!\n";
# Only need the dynamic byteorder code in Config.pm if 'byteorder' is one of
# the precached keys
if ($Common{byteorder}) {
- print CONFIG $byteorder_code;
+ $config_txt .= $byteorder_code;
} else {
- print CONFIG_HEAVY $byteorder_code;
+ $heavy_txt .= $byteorder_code;
}
if (@need_relocation) {
-print CONFIG_HEAVY 'foreach my $what (qw(', join (' ', @need_relocation),
- ")) {\n", <<'EOT';
+$heavy_txt .= 'foreach my $what (qw(' . join (' ', @need_relocation) .
+ ")) {\n" . <<'EOT';
s/^($what=)(['"])(.*?)\2/$1 . $2 . relocate_inc($3) . $2/me;
}
EOT
# no need to emulate the "which separator for this platform" logic in perl.c -
# ':' will always be applicable
if ($need_relocation{otherlibdirs}) {
-print CONFIG_HEAVY << 'EOT';
+$heavy_txt .= << 'EOT';
s{^(otherlibdirs=)(['"])(.*?)\2}
{$1 . $2 . join ':', map {relocate_inc($_)} split ':', $3 . $2}me;
EOT
}
}
-print CONFIG_HEAVY <<'EOT';
+$heavy_txt .= <<'EOT';
s/(byteorder=)(['"]).*?\2/$1$2$Config::byteorder$2/m;
my $config_sh_len = length $_;
-our $Config_SH_expanded : unique = "\n$_" . << 'EOVIRTUAL';
+our $Config_SH_expanded = "\n$_" . << 'EOVIRTUAL';
EOT
foreach my $prefix (qw(ccflags ldflags)) {
my $withlargefiles = fetch_string ({}, $prefix . "_uselargefiles");
if (defined $withlargefiles) {
$value =~ s/\Q$withlargefiles\E\b//;
- print CONFIG_HEAVY "${prefix}_nolargefiles='$value'\n";
+ $heavy_txt .= "${prefix}_nolargefiles='$value'\n";
}
}
$value = join(' ', @libswanted);
}
}
- print CONFIG_HEAVY "${prefix}_nolargefiles='$value'\n";
+ $heavy_txt .= "${prefix}_nolargefiles='$value'\n";
}
-print CONFIG_HEAVY "EOVIRTUAL\n";
+$heavy_txt .= "EOVIRTUAL\n";
+
+$heavy_txt .= <<'ENDOFGIT';
+eval {
+ # do not have hairy conniptions if this isnt available
+ require 'Config_git.pl';
+ $Config_SH_expanded .= $Config::Git_Data;
+ 1;
+} or warn "Warning: failed to load Config_git.pl, something strange about this perl...\n";
+ENDOFGIT
-print CONFIG_HEAVY $fetch_string;
+$heavy_txt .= $fetch_string;
-print CONFIG <<'ENDOFEND';
+$config_txt .= <<'ENDOFEND';
sub FETCH {
my($self, $key) = @_;
# check for cached value (which may be undef so we use exists not defined)
- return $self->{$key} if exists $self->{$key};
-
- return $self->fetch_string($key);
+ return exists $self->{$key} ? $self->{$key} : $self->fetch_string($key);
}
+
ENDOFEND
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
my $prevpos = 0;
sub NEXTKEY {
ENDOFEND
if ($seen_quotes{'"'}) {
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
# Find out how the current key's quoted so we can skip to its end.
my $quote = substr($Config_SH_expanded,
index($Config_SH_expanded, "=", $prevpos)+1, 1);
ENDOFEND
} else {
# Just ' quotes, so it's much easier.
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
my $pos = index($Config_SH_expanded, qq('\n), $prevpos) + 2;
ENDOFEND
}
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
my $len = index($Config_SH_expanded, "=", $pos) - $pos;
$prevpos = $pos;
$len > 0 ? substr($Config_SH_expanded, $pos, $len) : undef;
return(index($Config_SH_expanded, "\n$_[1]='") != -1
ENDOFEND
if ($seen_quotes{'"'}) {
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
or index($Config_SH_expanded, "\n$_[1]=\"") != -1
ENDOFEND
}
-print CONFIG_HEAVY <<'ENDOFEND';
+$heavy_txt .= <<'ENDOFEND';
);
}
sub STORE { die "\%Config::Config is read-only\n" }
-*DELETE = \&STORE;
-*CLEAR = \&STORE;
-
+*DELETE = *CLEAR = \*STORE; # Typeglob aliasing uses less space
sub config_sh {
substr $Config_SH_expanded, 1, $config_sh_len;
ENDOFEND
if ($^O eq 'os2') {
- print CONFIG <<'ENDOFSET';
+ $config_txt .= <<'ENDOFSET';
my %preconfig;
if ($OS2::is_aout) {
my ($value, $v) = $Config_SH_expanded =~ m/^used_aout='(.*)'\s*$/m;
$dll = $1, last if /^PERL_DLL_BASE\s*=\s*(\S*)\s*$/;
}
}
- print CONFIG <<ENDOFSET if $dll;
+ $config_txt .= <<ENDOFSET if $dll;
\$preconfig{dll_name} = '$dll';
ENDOFSET
} else {
- print CONFIG <<'ENDOFSET';
+ $config_txt .= <<'ENDOFSET';
sub TIEHASH {
bless $_[1], $_[0];
}
}
my $fast_config = join '', map { " $_,\n" } sort values %Common;
-print CONFIG sprintf <<'ENDOFTIE', $fast_config;
+# Sanity check needed to stop an infinite loop if Config_heavy.pl fails to
+# define &launcher for some reason (eg it got truncated)
+$config_txt .= sprintf <<'ENDOFTIE', $fast_config;
sub DESTROY { }
sub AUTOLOAD {
require 'Config_heavy.pl';
- goto \&launcher;
+ goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/;
die "&Config::AUTOLOAD failed on $Config::AUTOLOAD";
}
ENDOFTIE
-open(CONFIG_POD, ">lib/Config.pod") or die "Can't open lib/Config.pod: $!";
+open(CONFIG_POD, ">$Config_POD") or die "Can't open $Config_POD: $!";
print CONFIG_POD <<'ENDOFTAIL';
=head1 NAME
values. The perl C<exists> function can be used to check if a
named variable exists.
+For a description of the variables, please have a look at the
+Glossary file, as written in the Porting folder, or use the url:
+http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary
+
=over 4
=item myconfig()
Returns a textual summary of the major perl configuration values.
-See also C<-V> in L<perlrun/Switches>.
+See also C<-V> in L<perlrun/Command Switches>.
=item config_sh()
name='value';
Names which are unknown are output as C<name='UNKNOWN';>.
-See also C<-V:name> in L<perlrun/Switches>.
+See also C<-V:name> in L<perlrun/Command Switches>.
+
+=item bincompat_options()
+
+Returns a list of C pre-processor options used when compiling this F<perl>
+binary, which affect its binary compatibility with extensions.
+C<bincompat_options()> and C<non_bincompat_options()> are shown together in
+the output of C<perl -V> as I<Compile-time options>.
+
+=item non_bincompat_options()
+
+Returns a list of C pre-processor options used when compiling this F<perl>
+binary, which do not affect binary compatibility with extensions.
+
+=item compile_date()
+
+Returns the compile date (as a string), equivalent to what is shown by
+C<perl -V>
+
+=item local_patches()
+
+Returns a list of the names of locally applied patches, equivalent to what
+is shown by C<perl -V>.
+
+=item header_files()
+
+Returns a list of the header files that should be used as dependencies for
+XS code, for this version of Perl on this platform.
=back
specific to that particular port. See the port specific documentation
in such cases.
+=cut
+
ENDOFTAIL
if ($Opts{glossary}) {
print CONFIG_POD <<EOF if $text;
=back
+=cut
+
EOF
print CONFIG_POD <<EOF;
=head2 $c
=over 4
+=cut
+
EOF
$text = 1;
}
=back
+=head1 GIT DATA
+
+Information on the git commit from which the current perl binary was compiled
+can be found in the variable C<$Config::Git_Data>. The variable is a
+structured string that looks something like this:
+
+ git_commit_id='ea0c2dbd5f5ac6845ecc7ec6696415bf8e27bd52'
+ git_describe='GitLive-blead-1076-gea0c2db'
+ git_branch='smartmatch'
+ git_uncommitted_changes=''
+ git_commit_id_title='Commit id:'
+ git_commit_date='2009-05-09 17:47:31 +0200'
+
+Its format is not guaranteed not to change over time.
+
=head1 NOTE
This module contains a good example of how to use tie to implement a
ENDOFTAIL
-close(CONFIG_HEAVY);
-close(CONFIG);
-close(GLOS);
+close(GLOS) if $Opts{glossary};
close(CONFIG_POD);
+print "written $Config_POD\n";
+
+my $orig_config_txt = "";
+my $orig_heavy_txt = "";
+{
+ local $/;
+ my $fh;
+ $orig_config_txt = <$fh> if open $fh, "<", $Config_PM;
+ $orig_heavy_txt = <$fh> if open $fh, "<", $Config_heavy;
+}
+
+if ($orig_config_txt ne $config_txt or $orig_heavy_txt ne $heavy_txt) {
+ open CONFIG, ">", $Config_PM or die "Can't open $Config_PM: $!\n";
+ open CONFIG_HEAVY, ">", $Config_heavy or die "Can't open $Config_heavy: $!\n";
+ print CONFIG $config_txt;
+ print CONFIG_HEAVY $heavy_txt;
+ close(CONFIG_HEAVY);
+ close(CONFIG);
+ print "updated $Config_PM\n";
+ print "updated $Config_heavy\n";
+}
+
# Now create Cross.pm if needed
if ($Opts{cross}) {
$cross =~ s/\*\*\*replace-marker\*\*\*/$Opts{cross}/g;
print CROSS $cross;
close CROSS;
+ print "written lib/Cross.pm\n";
+ unshift(@INC,"xlib/$Opts{cross}");
}
# Now do some simple tests on the Config.pm file we have created
https://perl5.git.perl.org / perl5.git / blobdiff