mirror of
https://github.com/openssl/openssl.git
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09803e9ce3
Fixes #13221 Fixes #12743 Fixes #12078 Reviewed-by: Tim Hudson <tjh@openssl.org> (Merged from https://github.com/openssl/openssl/pull/13225)
423 lines
14 KiB
Perl
423 lines
14 KiB
Perl
#! {- $config{HASHBANGPERL} -}
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# -*- mode: perl -*-
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{-
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sub out_item {
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my $ref = shift;
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# Available options:
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# indent => callers indentation (int)
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# delimiters => 1 if outer delimiters should be added
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my %opts = @_;
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my $indent = $opts{indent} // 0;
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# Indentation of the whole structure, where applicable
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my $nlindent1 = "\n" . ' ' x $indent;
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# Indentation of individual items, where applicable
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my $nlindent2 = "\n" . ' ' x ($indent + 4);
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my $product; # Finished product, or reference to a function that
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# produces a string, given $_
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# The following are only used when $product is a function reference
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my $delim_l; # Left delimiter of structure
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my $delim_r; # Right delimiter of structure
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my $separator; # Item separator
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my @items; # Items to iterate over
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if (ref($ref) eq "ARRAY") {
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if (scalar @$ref == 0) {
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$product = $opts{delimiters} ? '[]' : '';
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} else {
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$product = sub {
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out_item(\$_, delimiters => 1, indent => $indent + 4)
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};
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$delim_l = ($opts{delimiters} ? '[' : '').$nlindent2;
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$delim_r = $nlindent1.($opts{delimiters} ? ']' : '');
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$separator = ",$nlindent2";
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@items = @$ref;
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}
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} elsif (ref($ref) eq "HASH") {
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if (scalar keys %$ref == 0) {
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$product = $opts{delimiters} ? '{}' : '';
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} else {
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$product = sub {
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quotify1($_) . " => "
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. out_item($ref->{$_}, delimiters => 1, indent => $indent + 4)
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};
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$delim_l = ($opts{delimiters} ? '{' : '').$nlindent2;
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$delim_r = $nlindent1.($opts{delimiters} ? '}' : '');
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$separator = ",$nlindent2";
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@items = sort keys %$ref;
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}
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} elsif (ref($ref) eq "SCALAR") {
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$product = defined $$ref ? quotify1 $$ref : "undef";
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} else {
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$product = defined $ref ? quotify1 $ref : "undef";
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}
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if (ref($product) eq "CODE") {
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$delim_l . join($separator, map { &$product } @items) . $delim_r;
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} else {
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$product;
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}
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}
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# We must make sourcedir() return an absolute path, because configdata.pm
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# may be loaded as a module from any script in any directory, making
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# relative paths untrustable. Because the result is used with 'use lib',
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# we must ensure that it returns a Unix style path. Cwd::abs_path does
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# that (File::Spec::Functions::rel2abs return O/S specific paths)
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use File::Spec::Functions;
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use Cwd qw(abs_path);
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sub sourcedir {
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return abs_path(catdir($config{sourcedir}, @_));
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}
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sub sourcefile {
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return abs_path(catfile($config{sourcedir}, @_));
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}
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-}
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package configdata;
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use strict;
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use warnings;
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use Exporter;
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our @ISA = qw(Exporter);
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our @EXPORT = qw(
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%config %target %disabled %withargs %unified_info
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@disablables @disablables_int
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);
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our %config = ({- out_item(\%config); -});
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our %target = ({- out_item(\%target); -});
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our @disablables = ({- out_item(\@disablables) -});
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our @disablables_int = ({- out_item(\@disablables_int) -});
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our %disabled = ({- out_item(\%disabled); -});
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our %withargs = ({- out_item(\%withargs); -});
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our %unified_info = ({- out_item(\%unified_info); -});
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# Unexported, only used by OpenSSL::Test::Utils::available_protocols()
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our %available_protocols = (
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tls => [{- out_item(\@tls) -}],
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dtls => [{- out_item(\@dtls) -}],
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);
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# The following data is only used when this files is use as a script
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my @makevars = ({- out_item(\@makevars); -});
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my %disabled_info = ({- out_item(\%disabled_info); -});
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my @user_crossable = qw( {- join (' ', @user_crossable) -} );
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# If run directly, we can give some answers, and even reconfigure
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unless (caller) {
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use Getopt::Long;
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use File::Spec::Functions;
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use File::Basename;
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use Pod::Usage;
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my $here = dirname($0);
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if (scalar @ARGV == 0) {
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# With no arguments, re-create the build file
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use lib '{- sourcedir('util', 'perl') -}';
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use OpenSSL::fallback '{- sourcefile('external', 'perl', 'MODULES.txt') -}';
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use OpenSSL::Template;
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my $prepend = <<'_____';
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use File::Spec::Functions;
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use lib '{- sourcedir('util', 'perl') -}';
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use lib '{- sourcedir('Configurations') -}';
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use lib '{- $config{builddir} -}';
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use platform;
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_____
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my @autowarntext = (
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'WARNING: do not edit!',
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"Generated by configdata.pm from "
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.join(", ", @{$config{build_file_templates}})
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);
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print 'Creating ',$target{build_file},"\n";
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open BUILDFILE, ">$target{build_file}.new"
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or die "Trying to create $target{build_file}.new: $!";
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foreach (@{$config{build_file_templates}}) {
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my $tmpl = OpenSSL::Template->new(TYPE => 'FILE',
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SOURCE => $_);
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$tmpl->fill_in(FILENAME => $_,
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OUTPUT => \*BUILDFILE,
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HASH => { config => \%config,
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target => \%target,
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disabled => \%disabled,
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withargs => \%withargs,
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unified_info => \%unified_info,
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autowarntext => \@autowarntext },
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PREPEND => $prepend,
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# To ensure that global variables and functions
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# defined in one template stick around for the
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# next, making them combinable
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PACKAGE => 'OpenSSL::safe')
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or die $Text::Template::ERROR;
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}
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close BUILDFILE;
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rename("$target{build_file}.new", $target{build_file})
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or die "Trying to rename $target{build_file}.new to $target{build_file}: $!";
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exit(0);
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}
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my $dump = undef;
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my $cmdline = undef;
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my $options = undef;
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my $target = undef;
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my $envvars = undef;
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my $makevars = undef;
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my $buildparams = undef;
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my $reconf = undef;
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my $verbose = undef;
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my $help = undef;
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my $man = undef;
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GetOptions('dump|d' => \$dump,
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'command-line|c' => \$cmdline,
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'options|o' => \$options,
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'target|t' => \$target,
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'environment|e' => \$envvars,
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'make-variables|m' => \$makevars,
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'build-parameters|b' => \$buildparams,
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'reconfigure|reconf|r' => \$reconf,
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'verbose|v' => \$verbose,
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'help' => \$help,
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'man' => \$man)
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or die "Errors in command line arguments\n";
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if (scalar @ARGV > 0) {
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print STDERR <<"_____";
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Unrecognised arguments.
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For more information, do '$0 --help'
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_____
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exit(2);
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}
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if ($help) {
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pod2usage(-exitval => 0,
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-verbose => 1);
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}
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if ($man) {
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pod2usage(-exitval => 0,
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-verbose => 2);
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}
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if ($dump || $cmdline) {
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print "\nCommand line (with current working directory = $here):\n\n";
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print ' ',join(' ',
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$config{PERL},
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catfile($config{sourcedir}, 'Configure'),
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@{$config{perlargv}}), "\n";
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print "\nPerl information:\n\n";
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print ' ',$config{perl_cmd},"\n";
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print ' ',$config{perl_version},' for ',$config{perl_archname},"\n";
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}
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if ($dump || $options) {
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my $longest = 0;
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my $longest2 = 0;
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foreach my $what (@disablables) {
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$longest = length($what) if $longest < length($what);
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$longest2 = length($disabled{$what})
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if $disabled{$what} && $longest2 < length($disabled{$what});
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}
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print "\nEnabled features:\n\n";
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foreach my $what (@disablables) {
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print " $what\n" unless $disabled{$what};
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}
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print "\nDisabled features:\n\n";
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foreach my $what (@disablables) {
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if ($disabled{$what}) {
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print " $what", ' ' x ($longest - length($what) + 1),
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"[$disabled{$what}]", ' ' x ($longest2 - length($disabled{$what}) + 1);
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print $disabled_info{$what}->{macro}
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if $disabled_info{$what}->{macro};
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print ' (skip ',
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join(', ', @{$disabled_info{$what}->{skipped}}),
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')'
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if $disabled_info{$what}->{skipped};
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print "\n";
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}
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}
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}
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if ($dump || $target) {
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print "\nConfig target attributes:\n\n";
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foreach (sort keys %target) {
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next if $_ =~ m|^_| || $_ eq 'template';
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my $quotify = sub {
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map {
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if (defined $_) {
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(my $x = $_) =~ s|([\\\$\@"])|\\$1|g; "\"$x\""
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} else {
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"undef";
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}
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} @_;
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};
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print ' ', $_, ' => ';
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if (ref($target{$_}) eq "ARRAY") {
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print '[ ', join(', ', $quotify->(@{$target{$_}})), " ],\n";
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} else {
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print $quotify->($target{$_}), ",\n"
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}
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}
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}
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if ($dump || $envvars) {
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print "\nRecorded environment:\n\n";
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foreach (sort keys %{$config{perlenv}}) {
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print ' ',$_,' = ',($config{perlenv}->{$_} || ''),"\n";
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}
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}
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if ($dump || $makevars) {
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print "\nMakevars:\n\n";
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foreach my $var (@makevars) {
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my $prefix = '';
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$prefix = $config{CROSS_COMPILE}
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if grep { $var eq $_ } @user_crossable;
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$prefix //= '';
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print ' ',$var,' ' x (16 - length $var),'= ',
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(ref $config{$var} eq 'ARRAY'
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? join(' ', @{$config{$var}})
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: $prefix.$config{$var}),
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"\n"
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if defined $config{$var};
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}
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my @buildfile = ($config{builddir}, $config{build_file});
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unshift @buildfile, $here
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unless file_name_is_absolute($config{builddir});
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my $buildfile = canonpath(catdir(@buildfile));
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print <<"_____";
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NOTE: These variables only represent the configuration view. The build file
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template may have processed these variables further, please have a look at the
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build file for more exact data:
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$buildfile
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_____
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}
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if ($dump || $buildparams) {
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my @buildfile = ($config{builddir}, $config{build_file});
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unshift @buildfile, $here
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unless file_name_is_absolute($config{builddir});
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print "\nbuild file:\n\n";
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print " ", canonpath(catfile(@buildfile)),"\n";
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print "\nbuild file templates:\n\n";
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foreach (@{$config{build_file_templates}}) {
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my @tmpl = ($_);
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unshift @tmpl, $here
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unless file_name_is_absolute($config{sourcedir});
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print ' ',canonpath(catfile(@tmpl)),"\n";
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}
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}
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if ($reconf) {
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if ($verbose) {
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print 'Reconfiguring with: ', join(' ',@{$config{perlargv}}), "\n";
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foreach (sort keys %{$config{perlenv}}) {
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print ' ',$_,' = ',($config{perlenv}->{$_} || ""),"\n";
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}
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}
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chdir $here;
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exec $^X,catfile($config{sourcedir}, 'Configure'),'reconf';
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}
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}
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1;
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__END__
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=head1 NAME
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configdata.pm - configuration data for OpenSSL builds
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=head1 SYNOPSIS
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Interactive:
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perl configdata.pm [options]
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As data bank module:
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use configdata;
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=head1 DESCRIPTION
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This module can be used in two modes, interactively and as a module containing
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all the data recorded by OpenSSL's Configure script.
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When used interactively, simply run it as any perl script.
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If run with no arguments, it will rebuild the build file (Makefile or
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corresponding).
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With at least one option, it will instead get the information you ask for, or
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re-run the configuration process.
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See L</OPTIONS> below for more information.
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When loaded as a module, you get a few databanks with useful information to
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perform build related tasks. The databanks are:
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%config Configured things.
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%target The OpenSSL config target with all inheritances
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resolved.
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%disabled The features that are disabled.
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@disablables The list of features that can be disabled.
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%withargs All data given through --with-THING options.
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%unified_info All information that was computed from the build.info
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files.
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=head1 OPTIONS
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=over 4
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=item B<--help>
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Print a brief help message and exit.
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=item B<--man>
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Print the manual page and exit.
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=item B<--dump> | B<-d>
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Print all relevant configuration data. This is equivalent to B<--command-line>
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B<--options> B<--target> B<--environment> B<--make-variables>
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B<--build-parameters>.
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=item B<--command-line> | B<-c>
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Print the current configuration command line.
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=item B<--options> | B<-o>
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Print the features, both enabled and disabled, and display defined macro and
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skipped directories where applicable.
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=item B<--target> | B<-t>
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Print the config attributes for this config target.
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=item B<--environment> | B<-e>
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Print the environment variables and their values at the time of configuration.
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=item B<--make-variables> | B<-m>
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Print the main make variables generated in the current configuration
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=item B<--build-parameters> | B<-b>
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Print the build parameters, i.e. build file and build file templates.
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=item B<--reconfigure> | B<--reconf> | B<-r>
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Re-run the configuration process.
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=item B<--verbose> | B<-v>
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Verbose output.
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=back
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=cut
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EOF
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