| 1 | #! {- $config{HASHBANGPERL} -}
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| 2 | # -*- mode: perl -*-
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| 3 | {-
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| 4 | # We must make sourcedir() return an absolute path, because configdata.pm
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| 5 | # may be loaded as a module from any script in any directory, making
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| 6 | # relative paths untrustable. Because the result is used with 'use lib',
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| 7 | # we must ensure that it returns a Unix style path. Mixing File::Spec
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| 8 | # and File::Spec::Unix does just that.
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| 9 | use File::Spec::Unix;
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| 10 | use File::Spec;
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| 11 | use Cwd qw(abs_path);
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| 12 | sub _fixup_path {
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| 13 | my $path = shift;
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| 14 |
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| 15 | # Make the path absolute at all times
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| 16 | $path = abs_path($path);
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| 17 |
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| 18 | if ($^O eq 'VMS') {
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| 19 | # Convert any path of the VMS form VOLUME:[DIR1.DIR2]FILE to the
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| 20 | # Unix form /VOLUME/DIR1/DIR2/FILE, which is what VMS perl supports
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| 21 | # for 'use lib'.
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| 22 |
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| 23 | # Start with splitting the native path
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| 24 | (my $vol, my $dirs, my $file) = File::Spec->splitpath($path);
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| 25 | my @dirs = File::Spec->splitdir($dirs);
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| 26 |
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| 27 | # Reassemble it as a Unix path
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| 28 | $vol =~ s|:$||;
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| 29 | $dirs = File::Spec::Unix->catdir('', $vol, @dirs);
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| 30 | $path = File::Spec::Unix->catpath('', $dirs, $file);
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| 31 | }
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| 32 |
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| 33 | return $path;
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| 34 | }
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| 35 | sub sourcedir {
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| 36 | return _fixup_path(File::Spec->catdir($config{sourcedir}, @_))
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| 37 | }
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| 38 | sub sourcefile {
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| 39 | return _fixup_path(File::Spec->catfile($config{sourcedir}, @_))
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| 40 | }
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| 41 | use lib sourcedir('util', 'perl');
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| 42 | use OpenSSL::Util;
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| 43 | -}
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| 44 | package configdata;
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| 45 |
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| 46 | use strict;
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| 47 | use warnings;
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| 48 |
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| 49 | use Exporter;
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| 50 | our @ISA = qw(Exporter);
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| 51 | our @EXPORT = qw(
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| 52 | %config %target %disabled %withargs %unified_info
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| 53 | @disablables @disablables_int
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| 54 | );
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| 55 |
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| 56 | our %config = ({- dump_data(\%config, indent => 0); -});
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| 57 | our %target = ({- dump_data(\%target, indent => 0); -});
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| 58 | our @disablables = ({- dump_data(\@disablables, indent => 0) -});
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| 59 | our @disablables_int = ({- dump_data(\@disablables_int, indent => 0) -});
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| 60 | our %disabled = ({- dump_data(\%disabled, indent => 0); -});
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| 61 | our %withargs = ({- dump_data(\%withargs, indent => 0); -});
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| 62 | our %unified_info = ({- dump_data(\%unified_info, indent => 0); -});
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| 63 |
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| 64 | # Unexported, only used by OpenSSL::Test::Utils::available_protocols()
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| 65 | our %available_protocols = (
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| 66 | tls => [{- dump_data(\@tls, indent => 0) -}],
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| 67 | dtls => [{- dump_data(\@dtls, indent => 0) -}],
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| 68 | );
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| 69 |
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| 70 | # The following data is only used when this files is use as a script
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| 71 | my @makevars = ({- dump_data(\@makevars, indent => 0); -});
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| 72 | my %disabled_info = ({- dump_data(\%disabled_info, indent => 0); -});
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| 73 | my @user_crossable = qw( {- join (' ', @user_crossable) -} );
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| 74 |
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| 75 | # If run directly, we can give some answers, and even reconfigure
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| 76 | unless (caller) {
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| 77 | use Getopt::Long;
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| 78 | use File::Spec::Functions;
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| 79 | use File::Basename;
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| 80 | use File::Compare qw(compare_text);
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| 81 | use File::Copy;
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| 82 | use Pod::Usage;
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| 83 |
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| 84 | use lib '{- sourcedir('util', 'perl') -}';
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| 85 | use OpenSSL::fallback '{- sourcefile('external', 'perl', 'MODULES.txt') -}';
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| 86 |
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| 87 | my $here = dirname($0);
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| 88 |
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| 89 | if (scalar @ARGV == 0) {
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| 90 | # With no arguments, re-create the build file
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| 91 | # We do that in two steps, where the first step emits perl
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| 92 | # snippets.
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| 93 |
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| 94 | my $buildfile = $config{build_file};
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| 95 | my $buildfile_template = "$buildfile.in";
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| 96 | my @autowarntext = (
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| 97 | 'WARNING: do not edit!',
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| 98 | "Generated by configdata.pm from "
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| 99 | .join(", ", @{$config{build_file_templates}}),
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| 100 | "via $buildfile_template"
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| 101 | );
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| 102 | my %gendata = (
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| 103 | config => \%config,
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| 104 | target => \%target,
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| 105 | disabled => \%disabled,
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| 106 | withargs => \%withargs,
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| 107 | unified_info => \%unified_info,
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| 108 | autowarntext => \@autowarntext,
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| 109 | );
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| 110 |
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| 111 | use lib '.';
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| 112 | use lib '{- sourcedir('Configurations') -}';
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| 113 | use gentemplate;
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| 114 |
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| 115 | open my $buildfile_template_fh, ">$buildfile_template"
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| 116 | or die "Trying to create $buildfile_template: $!";
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| 117 | foreach (@{$config{build_file_templates}}) {
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| 118 | copy($_, $buildfile_template_fh)
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| 119 | or die "Trying to copy $_ into $buildfile_template: $!";
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| 120 | }
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| 121 | gentemplate(output => $buildfile_template_fh, %gendata);
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| 122 | close $buildfile_template_fh;
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| 123 | print 'Created ',$buildfile_template,"\n";
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| 124 |
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| 125 | use OpenSSL::Template;
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| 126 |
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| 127 | my $prepend = <<'_____';
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| 128 | use File::Spec::Functions;
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| 129 | use lib '{- sourcedir('util', 'perl') -}';
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| 130 | use lib '{- sourcedir('Configurations') -}';
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| 131 | use lib '{- $config{builddir} -}';
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| 132 | use platform;
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| 133 | _____
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| 134 |
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| 135 | my $tmpl;
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| 136 | open BUILDFILE, ">$buildfile.new"
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| 137 | or die "Trying to create $buildfile.new: $!";
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| 138 | $tmpl = OpenSSL::Template->new(TYPE => 'FILE',
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| 139 | SOURCE => $buildfile_template);
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| 140 | $tmpl->fill_in(FILENAME => $_,
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| 141 | OUTPUT => \*BUILDFILE,
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| 142 | HASH => \%gendata,
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| 143 | PREPEND => $prepend,
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| 144 | # To ensure that global variables and functions
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| 145 | # defined in one template stick around for the
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| 146 | # next, making them combinable
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| 147 | PACKAGE => 'OpenSSL::safe')
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| 148 | or die $Text::Template::ERROR;
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| 149 | close BUILDFILE;
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| 150 | rename("$buildfile.new", $buildfile)
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| 151 | or die "Trying to rename $buildfile.new to $buildfile: $!";
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| 152 | print 'Created ',$buildfile,"\n";
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| 153 |
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| 154 | my $configuration_h =
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| 155 | catfile('include', 'openssl', 'configuration.h');
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| 156 | my $configuration_h_in =
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| 157 | catfile($config{sourcedir}, 'include', 'openssl', 'configuration.h.in');
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| 158 | open CONFIGURATION_H, ">${configuration_h}.new"
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| 159 | or die "Trying to create ${configuration_h}.new: $!";
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| 160 | $tmpl = OpenSSL::Template->new(TYPE => 'FILE',
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| 161 | SOURCE => $configuration_h_in);
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| 162 | $tmpl->fill_in(FILENAME => $_,
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| 163 | OUTPUT => \*CONFIGURATION_H,
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| 164 | HASH => \%gendata,
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| 165 | PREPEND => $prepend,
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| 166 | # To ensure that global variables and functions
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| 167 | # defined in one template stick around for the
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| 168 | # next, making them combinable
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| 169 | PACKAGE => 'OpenSSL::safe')
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| 170 | or die $Text::Template::ERROR;
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| 171 | close CONFIGURATION_H;
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| 172 |
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| 173 | # When using stat() on Windows, we can get it to perform better by
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| 174 | # avoid some data. This doesn't affect the mtime field, so we're not
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| 175 | # losing anything...
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| 176 | ${^WIN32_SLOPPY_STAT} = 1;
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| 177 |
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| 178 | my $update_configuration_h = 0;
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| 179 | if (-f $configuration_h) {
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| 180 | my $configuration_h_mtime = (stat($configuration_h))[9];
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| 181 | my $configuration_h_in_mtime = (stat($configuration_h_in))[9];
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| 182 |
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| 183 | # If configuration.h.in was updated after the last configuration.h,
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| 184 | # or if configuration.h.new differs configuration.h, we update
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| 185 | # configuration.h
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| 186 | if ($configuration_h_mtime < $configuration_h_in_mtime
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| 187 | || compare_text("${configuration_h}.new", $configuration_h) != 0) {
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| 188 | $update_configuration_h = 1;
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| 189 | } else {
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| 190 | # If nothing has changed, let's just drop the new one and
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| 191 | # pretend like nothing happened
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| 192 | unlink "${configuration_h}.new"
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| 193 | }
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| 194 | } else {
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| 195 | $update_configuration_h = 1;
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| 196 | }
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| 197 |
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| 198 | if ($update_configuration_h) {
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| 199 | rename("${configuration_h}.new", $configuration_h)
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| 200 | or die "Trying to rename ${configuration_h}.new to $configuration_h: $!";
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| 201 | print 'Created ',$configuration_h,"\n";
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| 202 | }
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| 203 |
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| 204 | exit(0);
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| 205 | }
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| 206 |
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| 207 | my $dump = undef;
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| 208 | my $cmdline = undef;
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| 209 | my $options = undef;
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| 210 | my $target = undef;
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| 211 | my $envvars = undef;
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| 212 | my $makevars = undef;
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| 213 | my $buildparams = undef;
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| 214 | my $reconf = undef;
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| 215 | my $verbose = undef;
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| 216 | my $query = undef;
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| 217 | my $help = undef;
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| 218 | my $man = undef;
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| 219 | GetOptions('dump|d' => \$dump,
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| 220 | 'command-line|c' => \$cmdline,
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| 221 | 'options|o' => \$options,
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| 222 | 'target|t' => \$target,
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| 223 | 'environment|e' => \$envvars,
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| 224 | 'make-variables|m' => \$makevars,
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| 225 | 'build-parameters|b' => \$buildparams,
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| 226 | 'reconfigure|reconf|r' => \$reconf,
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| 227 | 'verbose|v' => \$verbose,
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| 228 | 'query|q=s' => \$query,
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| 229 | 'help' => \$help,
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| 230 | 'man' => \$man)
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| 231 | or die "Errors in command line arguments\n";
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| 232 |
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| 233 | # We allow extra arguments with --query. That allows constructs like
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| 234 | # this:
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| 235 | # ./configdata.pm --query 'get_sources(@ARGV)' file1 file2 file3
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| 236 | if (!$query && scalar @ARGV > 0) {
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| 237 | print STDERR <<"_____";
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| 238 | Unrecognised arguments.
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| 239 | For more information, do '$0 --help'
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| 240 | _____
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| 241 | exit(2);
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| 242 | }
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| 243 |
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| 244 | if ($help) {
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| 245 | pod2usage(-exitval => 0,
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| 246 | -verbose => 1);
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| 247 | }
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| 248 | if ($man) {
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| 249 | pod2usage(-exitval => 0,
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| 250 | -verbose => 2);
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| 251 | }
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| 252 | if ($dump || $cmdline) {
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| 253 | print "\nCommand line (with current working directory = $here):\n\n";
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| 254 | print ' ',join(' ',
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| 255 | $config{PERL},
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| 256 | catfile($config{sourcedir}, 'Configure'),
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| 257 | @{$config{perlargv}}), "\n";
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| 258 | print "\nPerl information:\n\n";
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| 259 | print ' ',$config{perl_cmd},"\n";
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| 260 | print ' ',$config{perl_version},' for ',$config{perl_archname},"\n";
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| 261 | }
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| 262 | if ($dump || $options) {
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| 263 | my $longest = 0;
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| 264 | my $longest2 = 0;
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| 265 | foreach my $what (@disablables) {
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| 266 | $longest = length($what) if $longest < length($what);
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| 267 | $longest2 = length($disabled{$what})
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| 268 | if $disabled{$what} && $longest2 < length($disabled{$what});
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| 269 | }
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| 270 | print "\nEnabled features:\n\n";
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| 271 | foreach my $what (@disablables) {
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| 272 | print " $what\n" unless $disabled{$what};
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| 273 | }
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| 274 | print "\nDisabled features:\n\n";
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| 275 | foreach my $what (@disablables) {
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| 276 | if ($disabled{$what}) {
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| 277 | print " $what", ' ' x ($longest - length($what) + 1),
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| 278 | "[$disabled{$what}]", ' ' x ($longest2 - length($disabled{$what}) + 1);
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| 279 | print $disabled_info{$what}->{macro}
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| 280 | if $disabled_info{$what}->{macro};
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| 281 | print ' (skip ',
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| 282 | join(', ', @{$disabled_info{$what}->{skipped}}),
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| 283 | ')'
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| 284 | if $disabled_info{$what}->{skipped};
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| 285 | print "\n";
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| 286 | }
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| 287 | }
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| 288 | }
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| 289 | if ($dump || $target) {
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| 290 | print "\nConfig target attributes:\n\n";
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| 291 | foreach (sort keys %target) {
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| 292 | next if $_ =~ m|^_| || $_ eq 'template';
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| 293 | my $quotify = sub {
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| 294 | map {
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| 295 | if (defined $_) {
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| 296 | (my $x = $_) =~ s|([\\\$\@"])|\\$1|g; "\"$x\""
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| 297 | } else {
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| 298 | "undef";
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| 299 | }
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| 300 | } @_;
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| 301 | };
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| 302 | print ' ', $_, ' => ';
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| 303 | if (ref($target{$_}) eq "ARRAY") {
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| 304 | print '[ ', join(', ', $quotify->(@{$target{$_}})), " ],\n";
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| 305 | } else {
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| 306 | print $quotify->($target{$_}), ",\n"
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| 307 | }
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| 308 | }
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| 309 | }
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| 310 | if ($dump || $envvars) {
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| 311 | print "\nRecorded environment:\n\n";
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| 312 | foreach (sort keys %{$config{perlenv}}) {
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| 313 | print ' ',$_,' = ',($config{perlenv}->{$_} || ''),"\n";
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| 314 | }
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| 315 | }
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| 316 | if ($dump || $makevars) {
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| 317 | print "\nMakevars:\n\n";
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| 318 | foreach my $var (@makevars) {
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| 319 | my $prefix = '';
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| 320 | $prefix = $config{CROSS_COMPILE}
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| 321 | if grep { $var eq $_ } @user_crossable;
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| 322 | $prefix //= '';
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| 323 | print ' ',$var,' ' x (16 - length $var),'= ',
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| 324 | (ref $config{$var} eq 'ARRAY'
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| 325 | ? join(' ', @{$config{$var}})
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| 326 | : $prefix.$config{$var}),
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| 327 | "\n"
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| 328 | if defined $config{$var};
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| 329 | }
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| 330 |
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| 331 | my @buildfile = ($config{builddir}, $config{build_file});
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| 332 | unshift @buildfile, $here
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| 333 | unless file_name_is_absolute($config{builddir});
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| 334 | my $buildfile = canonpath(catdir(@buildfile));
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| 335 | print <<"_____";
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| 336 |
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| 337 | NOTE: These variables only represent the configuration view. The build file
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| 338 | template may have processed these variables further, please have a look at the
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| 339 | build file for more exact data:
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| 340 | $buildfile
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| 341 | _____
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| 342 | }
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| 343 | if ($dump || $buildparams) {
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| 344 | my @buildfile = ($config{builddir}, $config{build_file});
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| 345 | unshift @buildfile, $here
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| 346 | unless file_name_is_absolute($config{builddir});
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| 347 | print "\nbuild file:\n\n";
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| 348 | print " ", canonpath(catfile(@buildfile)),"\n";
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| 349 |
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| 350 | print "\nbuild file templates:\n\n";
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| 351 | foreach (@{$config{build_file_templates}}) {
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| 352 | my @tmpl = ($_);
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| 353 | unshift @tmpl, $here
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| 354 | unless file_name_is_absolute($config{sourcedir});
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| 355 | print ' ',canonpath(catfile(@tmpl)),"\n";
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| 356 | }
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| 357 | }
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| 358 | if ($reconf) {
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| 359 | if ($verbose) {
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| 360 | print 'Reconfiguring with: ', join(' ',@{$config{perlargv}}), "\n";
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| 361 | foreach (sort keys %{$config{perlenv}}) {
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| 362 | print ' ',$_,' = ',($config{perlenv}->{$_} || ""),"\n";
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| 363 | }
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| 364 | }
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| 365 |
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| 366 | chdir $here;
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| 367 | exec $^X,catfile($config{sourcedir}, 'Configure'),'reconf';
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| 368 | }
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| 369 | if ($query) {
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| 370 | use OpenSSL::Config::Query;
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| 371 |
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| 372 | my $confquery = OpenSSL::Config::Query->new(info => \%unified_info,
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| 373 | config => \%config);
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| 374 | my $result = eval "\$confquery->$query";
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| 375 |
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| 376 | # We may need a result class with a printing function at some point.
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| 377 | # Until then, we assume that we get a scalar, or a list or a hash table
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| 378 | # with scalar values and simply print them in some orderly fashion.
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| 379 | if (ref $result eq 'ARRAY') {
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| 380 | print "$_\n" foreach @$result;
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| 381 | } elsif (ref $result eq 'HASH') {
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| 382 | print "$_ : \\\n ", join(" \\\n ", @{$result->{$_}}), "\n"
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| 383 | foreach sort keys %$result;
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| 384 | } elsif (ref $result eq 'SCALAR') {
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| 385 | print "$$result\n";
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| 386 | }
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| 387 | }
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| 388 | }
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| 389 |
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| 390 | 1;
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| 391 |
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| 392 | __END__
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| 393 |
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| 394 | =head1 NAME
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| 395 |
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| 396 | configdata.pm - configuration data for OpenSSL builds
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| 397 |
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| 398 | =head1 SYNOPSIS
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| 399 |
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| 400 | Interactive:
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| 401 |
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| 402 | perl configdata.pm [options]
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| 403 |
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| 404 | As data bank module:
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| 405 |
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| 406 | use configdata;
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| 407 |
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| 408 | =head1 DESCRIPTION
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| 409 |
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| 410 | This module can be used in two modes, interactively and as a module containing
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| 411 | all the data recorded by OpenSSL's Configure script.
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| 412 |
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| 413 | When used interactively, simply run it as any perl script.
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| 414 | If run with no arguments, it will rebuild the build file (Makefile or
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| 415 | corresponding).
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| 416 | With at least one option, it will instead get the information you ask for, or
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| 417 | re-run the configuration process.
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| 418 | See L</OPTIONS> below for more information.
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| 419 |
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| 420 | When loaded as a module, you get a few databanks with useful information to
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| 421 | perform build related tasks. The databanks are:
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| 422 |
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| 423 | %config Configured things.
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| 424 | %target The OpenSSL config target with all inheritances
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| 425 | resolved.
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| 426 | %disabled The features that are disabled.
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| 427 | @disablables The list of features that can be disabled.
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| 428 | %withargs All data given through --with-THING options.
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| 429 | %unified_info All information that was computed from the build.info
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| 430 | files.
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| 431 |
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| 432 | =head1 OPTIONS
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| 433 |
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| 434 | =over 4
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| 435 |
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| 436 | =item B<--help>
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| 437 |
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| 438 | Print a brief help message and exit.
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| 439 |
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| 440 | =item B<--man>
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| 441 |
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| 442 | Print the manual page and exit.
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| 443 |
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| 444 | =item B<--dump> | B<-d>
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| 445 |
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| 446 | Print all relevant configuration data. This is equivalent to B<--command-line>
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| 447 | B<--options> B<--target> B<--environment> B<--make-variables>
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| 448 | B<--build-parameters>.
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| 449 |
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| 450 | =item B<--command-line> | B<-c>
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| 451 |
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| 452 | Print the current configuration command line.
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| 453 |
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| 454 | =item B<--options> | B<-o>
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| 455 |
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| 456 | Print the features, both enabled and disabled, and display defined macro and
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| 457 | skipped directories where applicable.
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| 458 |
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| 459 | =item B<--target> | B<-t>
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| 460 |
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| 461 | Print the config attributes for this config target.
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| 462 |
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| 463 | =item B<--environment> | B<-e>
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| 464 |
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| 465 | Print the environment variables and their values at the time of configuration.
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| 466 |
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| 467 | =item B<--make-variables> | B<-m>
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| 468 |
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| 469 | Print the main make variables generated in the current configuration
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| 470 |
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| 471 | =item B<--build-parameters> | B<-b>
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| 472 |
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| 473 | Print the build parameters, i.e. build file and build file templates.
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| 474 |
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| 475 | =item B<--reconfigure> | B<--reconf> | B<-r>
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| 476 |
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| 477 | Re-run the configuration process.
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| 478 |
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| 479 | =item B<--verbose> | B<-v>
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| 480 |
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| 481 | Verbose output.
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| 482 |
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| 483 | =back
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| 484 |
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| 485 | =cut
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| 486 |
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| 487 | EOF
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