mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-02 13:03:28 +01:00
488 lines
16 KiB
Perl
488 lines
16 KiB
Perl
#! {- $config{HASHBANGPERL} -}
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# -*- mode: perl -*-
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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. Mixing File::Spec
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# and File::Spec::Unix does just that.
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use File::Spec::Unix;
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use File::Spec;
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use Cwd qw(abs_path);
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sub _fixup_path {
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my $path = shift;
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# Make the path absolute at all times
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$path = abs_path($path);
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if ($^O eq 'VMS') {
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# Convert any path of the VMS form VOLUME:[DIR1.DIR2]FILE to the
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# Unix form /VOLUME/DIR1/DIR2/FILE, which is what VMS perl supports
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# for 'use lib'.
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# Start with spliting the native path
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(my $vol, my $dirs, my $file) = File::Spec->splitpath($path);
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my @dirs = File::Spec->splitdir($dirs);
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# Reassemble it as a Unix path
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$vol =~ s|:$||;
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$dirs = File::Spec::Unix->catdir('', $vol, @dirs);
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$path = File::Spec::Unix->catpath('', $dirs, $file);
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}
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return $path;
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}
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sub sourcedir {
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return _fixup_path(File::Spec->catdir($config{sourcedir}, @_))
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}
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sub sourcefile {
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return _fixup_path(File::Spec->catfile($config{sourcedir}, @_))
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}
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use lib sourcedir('util', 'perl');
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use OpenSSL::Util;
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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 = ({- dump_data(\%config, indent => 0); -});
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our %target = ({- dump_data(\%target, indent => 0); -});
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our @disablables = ({- dump_data(\@disablables, indent => 0) -});
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our @disablables_int = ({- dump_data(\@disablables_int, indent => 0) -});
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our %disabled = ({- dump_data(\%disabled, indent => 0); -});
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our %withargs = ({- dump_data(\%withargs, indent => 0); -});
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our %unified_info = ({- dump_data(\%unified_info, indent => 0); -});
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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 => [{- dump_data(\@tls, indent => 0) -}],
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dtls => [{- dump_data(\@dtls, indent => 0) -}],
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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 = ({- dump_data(\@makevars, indent => 0); -});
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my %disabled_info = ({- dump_data(\%disabled_info, indent => 0); -});
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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 File::Compare qw(compare_text);
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use File::Copy;
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use Pod::Usage;
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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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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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# We do that in two steps, where the first step emits perl
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# snipets.
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my $buildfile = $config{build_file};
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my $buildfile_template = "$buildfile.in";
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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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"via $buildfile_template"
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);
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my %gendata = (
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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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);
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use lib '.';
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use lib '{- sourcedir('Configurations') -}';
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use gentemplate;
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open my $buildfile_template_fh, ">$buildfile_template"
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or die "Trying to create $buildfile_template: $!";
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foreach (@{$config{build_file_templates}}) {
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copy($_, $buildfile_template_fh)
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or die "Trying to copy $_ into $buildfile_template: $!";
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}
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gentemplate(output => $buildfile_template_fh, %gendata);
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close $buildfile_template_fh;
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print 'Created ',$buildfile_template,"\n";
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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 $tmpl;
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open BUILDFILE, ">$buildfile.new"
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or die "Trying to create $buildfile.new: $!";
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$tmpl = OpenSSL::Template->new(TYPE => 'FILE',
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SOURCE => $buildfile_template);
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$tmpl->fill_in(FILENAME => $_,
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OUTPUT => \*BUILDFILE,
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HASH => \%gendata,
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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 $Text::Template::ERROR;
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close BUILDFILE;
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rename("$buildfile.new", $buildfile)
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or die "Trying to rename $buildfile.new to $buildfile: $!";
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print 'Created ',$buildfile,"\n";
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my $configuration_h =
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catfile('include', 'openssl', 'configuration.h');
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my $configuration_h_in =
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catfile($config{sourcedir}, 'include', 'openssl', 'configuration.h.in');
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open CONFIGURATION_H, ">${configuration_h}.new"
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or die "Trying to create ${configuration_h}.new: $!";
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$tmpl = OpenSSL::Template->new(TYPE => 'FILE',
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SOURCE => $configuration_h_in);
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$tmpl->fill_in(FILENAME => $_,
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OUTPUT => \*CONFIGURATION_H,
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HASH => \%gendata,
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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 $Text::Template::ERROR;
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close CONFIGURATION_H;
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# When using stat() on Windows, we can get it to perform better by
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# avoid some data. This doesn't affect the mtime field, so we're not
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# losing anything...
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${^WIN32_SLOPPY_STAT} = 1;
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my $update_configuration_h = 0;
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if (-f $configuration_h) {
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my $configuration_h_mtime = (stat($configuration_h))[9];
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my $configuration_h_in_mtime = (stat($configuration_h_in))[9];
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# If configuration.h.in was updated after the last configuration.h,
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# or if configuration.h.new differs configuration.h, we update
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# configuration.h
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if ($configuration_h_mtime < $configuration_h_in_mtime
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|| compare_text("${configuration_h}.new", $configuration_h) != 0) {
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$update_configuration_h = 1;
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} else {
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# If nothing has changed, let's just drop the new one and
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# pretend like nothing happened
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unlink "${configuration_h}.new"
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}
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} else {
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$update_configuration_h = 1;
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}
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if ($update_configuration_h) {
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rename("${configuration_h}.new", $configuration_h)
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or die "Trying to rename ${configuration_h}.new to $configuration_h: $!";
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print 'Created ',$configuration_h,"\n";
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}
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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 $query = undef;
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my $help = undef;
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my $man = undef;
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GetOptions('dump|d' => \$dump,
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'command-line|c' => \$cmdline,
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'options|o' => \$options,
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'target|t' => \$target,
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'environment|e' => \$envvars,
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'make-variables|m' => \$makevars,
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'build-parameters|b' => \$buildparams,
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'reconfigure|reconf|r' => \$reconf,
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'verbose|v' => \$verbose,
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'query|q=s' => \$query,
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'help' => \$help,
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'man' => \$man)
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or die "Errors in command line arguments\n";
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# We allow extra arguments with --query. That allows constructs like
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# this:
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# ./configdata.pm --query 'get_sources(@ARGV)' file1 file2 file3
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if (!$query && 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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if ($query) {
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use OpenSSL::Config::Query;
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my $confquery = OpenSSL::Config::Query->new(info => \%unified_info,
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config => \%config);
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my $result = eval "\$confquery->$query";
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# We may need a result class with a printing function at some point.
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# Until then, we assume that we get a scalar, or a list or a hash table
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# with scalar values and simply print them in some orderly fashion.
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if (ref $result eq 'ARRAY') {
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print "$_\n" foreach @$result;
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} elsif (ref $result eq 'HASH') {
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print "$_ : \\\n ", join(" \\\n ", @{$result->{$_}}), "\n"
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foreach sort keys %$result;
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} elsif (ref $result eq 'SCALAR') {
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print "$$result\n";
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}
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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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