X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=configpm;h=b8fea156740a1f1c7f8cc1a47e09821ba73120a5;hb=a4cc96117b620fea7c0739c9e20f017a5fdeeb52;hp=9b83df0e94a569fca18367e4b0814755aab67d1b;hpb=2ddb7828e223e2d2bbe82a4f9efaac6997a16d6c;p=p5sagit%2Fp5-mst-13.2.git diff --git a/configpm b/configpm index 9b83df0..b8fea15 100755 --- a/configpm +++ b/configpm @@ -1,15 +1,56 @@ #!./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 <; + chomp; + /^(\S+):\s*(\d+)$/ or die "Malformed line '$_'"; + $Common{$1} = $1; +} # names of things which may need to have slashes changed to double-colons my %Extensions = map {($_,$_)} @@ -17,9 +58,10 @@ my %Extensions = map {($_,$_)} # allowed opts as well as specifies default and initial values my %Allowed_Opts = ( - 'cross' => '', # --cross=PALTFORM - crosscompiling for PLATFORM - 'glossary' => 1, # --no-glossary - no glossary file inclusion, + 'cross' => '', # --cross=PLATFORM - crosscompiling for PLATFORM + 'glossary' => 1, # --no-glossary - no glossary file inclusion, # for compactness + 'chdir' => '', # --chdir=dir - change directory before writing files ); sub opts { @@ -34,7 +76,8 @@ 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; @@ -44,28 +87,92 @@ sub opts { my %Opts = opts(); -my $Config_PM; -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'; + $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; + +my $config_txt; +my $heavy_txt; + +$heavy_txt .= <<'ENDOFBEG'; +# 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 + +sub _V { + 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}) /$1\n /mg; + + print Config::myconfig(); + if ($^O eq 'VMS') { + print "\nCharacteristics of this PERLSHR image: \n"; + } else { + print "\nCharacteristics of this binary (from libperl): \n"; + } + + print " Compile-time options: $opts\n"; + + if (@patches) { + print " Locally applied patches:\n"; + print "\t$_\n" foreach @patches; + } + print " Built under $^O\n"; -open CONFIG, ">$Config_PM" or die "Can't open $Config_PM: $!\n"; + print " $date\n" if defined $date; -my $myver = sprintf "v%vd", $^V; + my @env = map { "$_=\"$ENV{$_}\"" } sort grep {/^PERL/} keys %ENV; + push @env, "CYGWIN=\"$ENV{CYGWIN}\"" if $^O eq 'cygwin'; -printf CONFIG <<'ENDOFBEG', ($myver) x 3; + if (@env) { + print " \%ENV:\n"; + print " $_\n" foreach @env; + } + print " \@INC:\n"; + print " $_\n" foreach @INC; +} + +ENDOFBEG + +my $myver = sprintf "%vd", $^V; + +$config_txt .= sprintf <<'ENDOFBEG', ($myver) x 3; # This file was created by configpm when Perl was built. Any changes # made to this file will be lost the next time perl is built. +# for a description of the variables, please have a look at the +# Glossary file, as written in the Porting folder, or use the url: +# http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary + package Config; use strict; # use warnings; Pulls in Carp @@ -73,6 +180,14 @@ use strict; @Config::EXPORT = qw(%%Config); @Config::EXPORT_OK = qw(myconfig config_sh config_vars config_re); +# Need to stub all the functions to make code such as print Config::config_sh +# keep working + +sub myconfig; +sub config_sh; +sub config_vars; +sub config_re; + my %%Export_Cache = map {($_ => 1)} (@Config::EXPORT, @Config::EXPORT_OK); our %%Config; @@ -108,63 +223,15 @@ ENDOFBEG my @non_v = (); -my @v_fast = (); -my %v_fast = (); my @v_others = (); my $in_v = 0; my %Data = (); -# This is somewhat grim, but I want the code for parsing config.sh here and -# now so that I can expand $Config{ivsize} and $Config{ivtype} - -my $fetch_string = <<'EOT'; - -# Search for it in the big string -sub fetch_string { - my($self, $key) = @_; - - 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"); - } - # 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; - - $start += length($marker) + 2; - - my $value = substr($Config_SH_expanded, $start, - index($Config_SH_expanded, "$quote_type\n", $start) - - $start); - - # If we had a double-quote, we'd better eval it so escape - # sequences and such can be interpolated. Since the incoming - # value is supposed to follow shell rules and not perl rules, - # we escape any perl variable markers - if ($quote_type eq '"') { - $value =~ s/\$/\\\$/g; - $value =~ s/\@/\\\@/g; - eval "\$value = \"$value\""; - } - - # So we can say "if $Config{'foo'}". - $value = undef if $value eq 'undef'; - $self->{$key} = $value; # cache it -} -EOT - -eval $fetch_string; -die if $@; +my %seen_quotes; { my ($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 () { next if m:^#!/bin/sh:; @@ -205,21 +272,88 @@ die if $@; $val =~ s/$quote\n?\z//; my $line = "$name=$quote$val$quote\n"; - if (!$Common{$name}){ - push(@v_others, $line); - } - else { - push(@v_fast, $line); - $v_fast{$name} = "'$name' => $quote$val$quote"; - } + push(@v_others, $line); + $seen_quotes{$quote}++; } close CONFIG_SH; } +# This is somewhat grim, but I want the code for parsing config.sh here and +# now so that I can expand $Config{ivsize} and $Config{ivtype} + +my $fetch_string = <<'EOT'; + +# Search for it in the big string +sub fetch_string { + my($self, $key) = @_; + +EOT + +if ($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) + - $start); + + # If we had a double-quote, we'd better eval it so escape + # sequences and such can be interpolated. Since the incoming + # value is supposed to follow shell rules and not perl rules, + # we escape any perl variable markers + if ($quote_type eq '"') { + $value =~ s/\$/\\\$/g; + $value =~ s/\@/\\\@/g; + eval "\$value = \"$value\""; + } +EOT +} +$fetch_string .= <<'EOT'; + # So we can say "if $Config{'foo'}". + $value = undef if $value eq 'undef'; + $self->{$key} = $value; # cache it +} +EOT + +eval $fetch_string; +die if $@; # Calculation for the keys for byteorder # This is somewhat grim, but I need to run fetch_string here. -our $Config_SH_expanded = join "\n", '', @v_fast, @v_others; +our $Config_SH_expanded = join "\n", '', @v_others; my $t = fetch_string ({}, 'ivtype'); my $s = fetch_string ({}, 'ivsize'); @@ -236,35 +370,156 @@ if ($s == 4 || $s == 8) { my $list = join ',', reverse(2..$s); my $format = 'a'x$s; $byteorder_code = <<"EOT"; + my \$i = 0; foreach my \$c ($list) { \$i |= ord(\$c); \$i <<= 8 } \$i |= ord(1); -my \$byteorder = join('', unpack('$format', pack('$f', \$i))); +our \$byteorder = join('', unpack('$format', pack('$f', \$i))); EOT } else { - $byteorder_code = "my \$byteorder = '?'x$s;\n"; + $byteorder_code = "our \$byteorder = '?'x$s;\n"; +} + +my @need_relocation; + +if (fetch_string({},'userelocatableinc')) { + foreach my $what (qw(prefixexp + + archlibexp + html1direxp + html3direxp + man1direxp + man3direxp + privlibexp + scriptdirexp + sitearchexp + sitebinexp + sitehtml1direxp + sitehtml3direxp + sitelibexp + siteman1direxp + siteman3direxp + sitescriptexp + vendorarchexp + vendorbinexp + vendorhtml1direxp + vendorhtml3direxp + vendorlibexp + 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!^\.\.\./!; + } +} + +my %need_relocation; +@need_relocation{@need_relocation} = @need_relocation; + +# This can have .../ anywhere: +if (fetch_string({}, 'otherlibdirs') =~ m!\.\.\./!) { + $need_relocation{otherlibdirs} = 'otherlibdirs'; } -print CONFIG @non_v, "\n"; +my $relocation_code = <<'EOT'; + +sub relocate_inc { + my $libdir = shift; + return $libdir unless $libdir =~ s!^\.\.\./!!; + my $prefix = $^X; + if ($prefix =~ s!/[^/]*$!!) { + while ($libdir =~ m!^\.\./!) { + # Loop while $libdir starts "../" and $prefix still has a trailing + # directory + last unless $prefix =~ s!/([^/]+)$!!; + # but bail out if the directory we picked off the end of $prefix is . + # or .. + if ($1 eq '.' or $1 eq '..') { + # Undo! This should be rare, hence code it this way rather than a + # check each time before the s!!! above. + $prefix = "$prefix/$1"; + last; + } + # Remove that leading ../ and loop again + substr ($libdir, 0, 3, ''); + } + $libdir = "$prefix/$libdir"; + } + $libdir; +} +EOT + +if (%need_relocation) { + my $relocations_in_common; + # otherlibdirs only features in the hash + foreach (keys %need_relocation) { + $relocations_in_common++ if $Common{$_}; + } + if ($relocations_in_common) { + $config_txt .= $relocation_code; + } else { + $heavy_txt .= $relocation_code; + } +} + +$heavy_txt .= join('', @non_v) . "\n"; # copy config summary format from the myconfig.SH script -print CONFIG "our \$summary : unique = <<'!END!';\n"; +$heavy_txt .= "our \$summary = <<'!END!';\n"; open(MYCONFIG,") && !/^Summary of/; -do { print CONFIG $_ } until !defined($_ = ) || /^\s*$/; +do { $heavy_txt .= $_ } until !defined($_ = ) || /^\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 "\n!END!\n", $byteorder_code, <<'EOT'; +$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{$1}; defined($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; } @@ -272,25 +527,54 @@ local *_ = \my $a; $_ = <<'!END!'; EOT -print CONFIG join("", @v_fast, sort @v_others); +$heavy_txt .= join('', sort @v_others) . "!END!\n"; -print CONFIG <<'EOT'; -!END! -s/(byteorder=)(['"]).*?\2/$1$2$byteorder$2/m; -our $Config_SH : unique = $_; +# Only need the dynamic byteorder code in Config.pm if 'byteorder' is one of +# the precached keys +if ($Common{byteorder}) { + $config_txt .= $byteorder_code; +} else { + $heavy_txt .= $byteorder_code; +} -our $Config_SH_expanded : unique = "\n$_" . << 'EOVIRTUAL'; +if (@need_relocation) { +$heavy_txt .= 'foreach my $what (qw(' . join (' ', @need_relocation) . + ")) {\n" . <<'EOT'; + s/^($what=)(['"])(.*?)\2/$1 . $2 . relocate_inc($3) . $2/me; +} +EOT +# Currently it only makes sense to do the ... relocation on Unix, so there's +# no need to emulate the "which separator for this platform" logic in perl.c - +# ':' will always be applicable +if ($need_relocation{otherlibdirs}) { +$heavy_txt .= << 'EOT'; +s{^(otherlibdirs=)(['"])(.*?)\2} + {$1 . $2 . join ':', map {relocate_inc($_)} split ':', $3 . $2}me; +EOT +} +} + +$heavy_txt .= <<'EOT'; +s/(byteorder=)(['"]).*?\2/$1$2$Config::byteorder$2/m; + +my $config_sh_len = length $_; + +our $Config_SH_expanded = "\n$_" . << 'EOVIRTUAL'; EOT foreach my $prefix (qw(ccflags ldflags)) { my $value = fetch_string ({}, $prefix); my $withlargefiles = fetch_string ({}, $prefix . "_uselargefiles"); - $value =~ s/\Q$withlargefiles\E\b//; - print CONFIG "${prefix}_nolargefiles='$value'\n"; + if (defined $withlargefiles) { + $value =~ s/\Q$withlargefiles\E\b//; + $heavy_txt .= "${prefix}_nolargefiles='$value'\n"; + } } foreach my $prefix (qw(libs libswanted)) { my $value = fetch_string ({}, $prefix); + my $withlf = fetch_string ({}, 'libswanted_uselargefiles'); + next unless defined $withlf; my @lflibswanted = split(' ', fetch_string ({}, 'libswanted_uselargefiles')); if (@lflibswanted) { @@ -307,16 +591,25 @@ foreach my $prefix (qw(libs libswanted)) { $value = join(' ', @libswanted); } } - print CONFIG "${prefix}_nolargefiles='$value'\n"; + $heavy_txt .= "${prefix}_nolargefiles='$value'\n"; } -print CONFIG "EOVIRTUAL\n"; +$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 $fetch_string; +$heavy_txt .= $fetch_string; -print CONFIG <<'ENDOFEND'; +$config_txt .= <<'ENDOFEND'; -sub FETCH { +sub FETCH { my($self, $key) = @_; # check for cached value (which may be undef so we use exists not defined) @@ -324,7 +617,10 @@ sub FETCH { return $self->fetch_string($key); } - +ENDOFEND + +$heavy_txt .= <<'ENDOFEND'; + my $prevpos = 0; sub FIRSTKEY { @@ -333,10 +629,21 @@ sub FIRSTKEY { } sub NEXTKEY { +ENDOFEND +if ($seen_quotes{'"'}) { +$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); my $pos = index($Config_SH_expanded, qq($quote\n), $prevpos) + 2; +ENDOFEND +} else { + # Just ' quotes, so it's much easier. +$heavy_txt .= <<'ENDOFEND'; + my $pos = index($Config_SH_expanded, qq('\n), $prevpos) + 2; +ENDOFEND +} +$heavy_txt .= <<'ENDOFEND'; my $len = index($Config_SH_expanded, "=", $pos) - $pos; $prevpos = $pos; $len > 0 ? substr($Config_SH_expanded, $pos, $len) : undef; @@ -345,8 +652,14 @@ sub NEXTKEY { sub EXISTS { return 1 if exists($_[0]->{$_[1]}); - return(index($Config_SH_expanded, "\n$_[1]='") != -1 or - index($Config_SH_expanded, "\n$_[1]=\"") != -1 + return(index($Config_SH_expanded, "\n$_[1]='") != -1 +ENDOFEND +if ($seen_quotes{'"'}) { +$heavy_txt .= <<'ENDOFEND'; + or index($Config_SH_expanded, "\n$_[1]=\"") != -1 +ENDOFEND +} +$heavy_txt .= <<'ENDOFEND'; ); } @@ -356,7 +669,7 @@ sub STORE { die "\%Config::Config is read-only\n" } sub config_sh { - $Config_SH + substr $Config_SH_expanded, 1, $config_sh_len; } sub config_re { @@ -380,17 +693,25 @@ sub config_vars { print map "$_$lnend", @matches ? @matches : "$qry: not found" if !$notag; print map { s/\w+=//; "$_$lnend" } @matches ? @matches : "$qry: not found" if $notag; } else { - my $v = (exists $Config{$qry}) ? $Config{$qry} : 'UNKNOWN'; + my $v = (exists $Config::Config{$qry}) ? $Config::Config{$qry} + : 'UNKNOWN'; $v = 'undef' unless defined $v; print "${prfx}'${v}'$lnend"; } } } +# Called by the real AUTOLOAD +sub launcher { + undef &AUTOLOAD; + goto \&$Config::AUTOLOAD; +} + +1; ENDOFEND if ($^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; @@ -410,34 +731,61 @@ ENDOFSET $dll = $1, last if /^PERL_DLL_BASE\s*=\s*(\S*)\s*$/; } } - print CONFIG < $byteorder' ; +foreach my $key (keys %Common) { + my $value = fetch_string ({}, $key); + # Is it safe on the LHS of => ? + my $qkey = $key =~ /^[A-Za-z_][A-Za-z0-9_]*$/ ? $key : "'$key'"; + if (defined $value) { + # Quote things for a '' string + $value =~ s!\\!\\\\!g; + $value =~ s!'!\\'!g; + $value = "'$value'"; + if ($key eq 'otherlibdirs') { + $value = "join (':', map {relocate_inc(\$_)} split (':', $value))"; + } elsif ($need_relocation{$key}) { + $value = "relocate_inc($value)"; + } + } else { + $value = "undef"; + } + $Common{$key} = "$qkey => $value"; +} + +if ($Common{byteorder}) { + $Common{byteorder} = 'byteorder => $byteorder'; +} +my $fast_config = join '', map { " $_,\n" } sort values %Common; -print CONFIG sprintf <<'ENDOFTIE', $fast_config; +# Sanity check needed to stop an infite loop if Config_heavy.pl fails to define +# &launcher for some reason (eg it got truncated) +$config_txt .= sprintf <<'ENDOFTIE', $fast_config; -# avoid Config..Exporter..UNIVERSAL search for DESTROY then AUTOLOAD sub DESTROY { } -tie %%Config, 'Config', { -%s -}; +sub AUTOLOAD { + require 'Config_heavy.pl'; + goto \&launcher unless $Config::AUTOLOAD =~ /launcher$/; + die "&Config::AUTOLOAD failed on $Config::AUTOLOAD"; +} -1; +# tie returns the object, so the value returned to require will be true. +tie %%Config, 'Config', { +%s}; 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: $!"; print CONFIG_POD <<'ENDOFTAIL'; =head1 NAME @@ -473,6 +821,10 @@ Values stored in config.sh as 'undef' are returned as undefined values. The perl C function can be used to check if a named variable exists. +For a description of the variables, please have a look at the +Glossary file, as written in the Porting folder, or use the url: +http://perl5.git.perl.org/perl.git/blob/HEAD:/Porting/Glossary + =over 4 =item myconfig() @@ -554,6 +906,8 @@ some of the variables described below, or may have extraneous variables specific to that particular port. See the port specific documentation in such cases. +=cut + ENDOFTAIL if ($Opts{glossary}) { @@ -570,12 +924,16 @@ sub process { print CONFIG_POD <. 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 @@ -635,9 +1008,30 @@ outside of it. ENDOFTAIL -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}) { @@ -664,11 +1058,15 @@ EOS $cross =~ s/\*\*\*replace-marker\*\*\*/$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 unshift(@INC,'lib'); +unshift(@INC,'xlib/symbian') if $Opts{cross}; require $Config_PM; +require $Config_heavy; import Config; die "$0: $Config_PM not valid" @@ -686,3 +1084,106 @@ die "$0: error processing $Config_PM" exit 0; +# Popularity of various entries in %Config, based on a large build and test +# run of code in the Fotango build system: +__DATA__ +path_sep: 8490 +d_readlink: 7101 +d_symlink: 7101 +archlibexp: 4318 +sitearchexp: 4305 +sitelibexp: 4305 +privlibexp: 4163 +ldlibpthname: 4041 +libpth: 2134 +archname: 1591 +exe_ext: 1256 +scriptdir: 1155 +version: 1116 +useithreads: 1002 +osvers: 982 +osname: 851 +inc_version_list: 783 +dont_use_nlink: 779 +intsize: 759 +usevendorprefix: 642 +dlsrc: 624 +cc: 541 +lib_ext: 520 +so: 512 +ld: 501 +ccdlflags: 500 +ldflags: 495 +obj_ext: 495 +cccdlflags: 493 +lddlflags: 493 +ar: 492 +dlext: 492 +libc: 492 +ranlib: 492 +full_ar: 491 +vendorarchexp: 491 +vendorlibexp: 491 +installman1dir: 489 +installman3dir: 489 +installsitebin: 489 +installsiteman1dir: 489 +installsiteman3dir: 489 +installvendorman1dir: 489 +installvendorman3dir: 489 +d_flexfnam: 474 +eunicefix: 360 +d_link: 347 +installsitearch: 344 +installscript: 341 +installprivlib: 337 +binexp: 336 +installarchlib: 336 +installprefixexp: 336 +installsitelib: 336 +installstyle: 336 +installvendorarch: 336 +installvendorbin: 336 +installvendorlib: 336 +man1ext: 336 +man3ext: 336 +sh: 336 +siteprefixexp: 336 +installbin: 335 +usedl: 332 +ccflags: 285 +startperl: 232 +optimize: 231 +usemymalloc: 229 +cpprun: 228 +sharpbang: 228 +perllibs: 225 +usesfio: 224 +usethreads: 220 +perlpath: 218 +extensions: 217 +usesocks: 208 +shellflags: 198 +make: 191 +d_pwage: 189 +d_pwchange: 189 +d_pwclass: 189 +d_pwcomment: 189 +d_pwexpire: 189 +d_pwgecos: 189 +d_pwpasswd: 189 +d_pwquota: 189 +gccversion: 189 +libs: 186 +useshrplib: 186 +cppflags: 185 +ptrsize: 185 +shrpenv: 185 +static_ext: 185 +use5005threads: 185 +uselargefiles: 185 +alignbytes: 184 +byteorder: 184 +ccversion: 184 +config_args: 184 +cppminus: 184