mirror of
https://github.com/inspircd/inspircd.git
synced 2025-03-10 11:09:04 -04:00
c835102e64
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11566 e03df62e-2008-0410-955e-edbf42e46eb7
471 lines
12 KiB
Perl
471 lines
12 KiB
Perl
# +------------------------------------+
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# | Inspire Internet Relay Chat Daemon |
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# +------------------------------------+
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#
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# InspIRCd: (C) 2002-2009 InspIRCd Development Team
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# See: http://wiki.inspircd.org/Credits
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#
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# This program is free but copyrighted software; see
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# the file COPYING for details.
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#
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# ---------------------------------------------------
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package make::utilities;
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require 5.8.0;
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use strict;
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use warnings FATAL => qw(all);
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use Exporter 'import';
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use POSIX;
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use Getopt::Long;
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use Fcntl;
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our @EXPORT = qw(make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring vcheck);
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# Parse the output of a *_config program,
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# such as pcre_config, take out the -L
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# directive and return an rpath for it.
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# \e[1;32msrc/Makefile\e[0m
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my %already_added = ();
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my $if_skip_lines = 0;
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sub promptstring($$$$$)
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{
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my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
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my $var;
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if (!$main::interactive)
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{
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my $opt_commandlineswitch;
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GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
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if (defined $opt_commandlineswitch)
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{
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print "\e[1;32m$opt_commandlineswitch\e[0m\n";
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$var = $opt_commandlineswitch;
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}
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else
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{
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die "Could not detect $package! Please specify the $prompt via the command line option \e[1;32m--$commandlineswitch=\"/path/to/file\"\e[0m";
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}
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}
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else
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{
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print "\nPlease enter the $prompt?\n";
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print "[\e[1;32m$default\e[0m] -> ";
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chomp($var = <STDIN>);
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}
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if ($var eq "")
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{
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$var = $default;
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}
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$main::config{$configitem} = $var;
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}
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sub make_rpath($;$)
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{
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my ($executable, $module) = @_;
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chomp(my $data = `$executable`);
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my $output = "";
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while ($data =~ /-L(\S+)/)
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{
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my $libpath = $1;
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if (!exists $already_added{$libpath})
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{
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print "Adding extra library path to \e[1;32m$module\e[0m ... \e[1;32m$libpath\e[0m\n";
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$already_added{$libpath} = 1;
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}
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$output .= "-Wl,--rpath -Wl,$libpath -L$libpath " unless defined $main::opt_disablerpath;
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$data =~ s/-L(\S+)//;
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}
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return $output;
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}
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sub extend_pkg_path()
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{
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if (!exists $ENV{PKG_CONFIG_PATH})
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{
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$ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
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}
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else
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{
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$ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
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}
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}
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sub pkgconfig_get_include_dirs($$$;$)
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{
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my ($packagename, $headername, $defaults, $module) = @_;
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my $key = "default_includedir_$packagename";
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if (exists $main::config{$key})
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{
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print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
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my $ret = $main::config{$key};
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print "\e[1;32m$ret\e[0m (cached)\n";
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return $ret;
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}
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extend_pkg_path();
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print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
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my $v = `pkg-config --modversion $packagename 2>/dev/null`;
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my $ret = `pkg-config --cflags $packagename 2>/dev/null`;
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my $foo = "";
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if ((!defined $v) || ($v eq ""))
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{
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print "\e[31mCould not find $packagename via pkg-config\e[m (\e[1;32mplease install pkg-config\e[m)\n";
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$foo = `locate "$headername" 2>/dev/null | head -n 1`;
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my $find = $foo =~ /(.+)\Q$headername\E/ ? $1 : '';
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chomp($find);
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if ((defined $find) && ($find ne "") && ($find ne $packagename))
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{
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print "(\e[1;32mFound via search\e[0m) ";
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$foo = "-I$1";
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}
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else
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{
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$foo = " ";
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undef $v;
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}
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$ret = "$foo";
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}
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if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
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{
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$ret = "$foo " . $defaults;
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}
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chomp($ret);
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if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
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{
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my $key = "default_includedir_$packagename";
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if (exists $main::config{$key})
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{
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$ret = $main::config{$key};
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}
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else
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{
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$headername =~ s/^\///;
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promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
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$packagename =~ tr/a-z/A-Z/;
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if (defined $v)
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{
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$main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
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}
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else
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{
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$main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"0.0\"";
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}
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$main::config{$key} =~ s/^\s+//g;
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$ret = $main::config{$key};
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return $ret;
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}
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}
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else
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{
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chomp($v);
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my $key = "default_includedir_$packagename";
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$packagename =~ tr/a-z/A-Z/;
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$main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
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$main::config{$key} =~ s/^\s+//g;
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$ret = $main::config{$key};
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print "\e[1;32m$ret\e[0m (version $v)\n";
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}
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$ret =~ s/^\s+//g;
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return $ret;
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}
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sub vcheck($$)
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{
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my ($version1, $version2) = @_;
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$version1 =~ s/\-r(\d+)/\.$1/g; # minor revs/patchlevels
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$version2 =~ s/\-r(\d+)/\.$1/g;
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$version1 =~ s/p(\d+)/\.$1/g;
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$version2 =~ s/p(\d+)/\.$1/g;
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$version1 =~ s/\-//g;
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$version2 =~ s/\-//g;
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$version1 =~ s/[a-z]//g;
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$version2 =~ s/[a-z]//g;
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my @v1 = split('\.', $version1);
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my @v2 = split('\.', $version2);
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for (my $curr = 0; $curr < scalar(@v2); $curr++)
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{
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if ($v1[$curr] < $v2[$curr])
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{
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return 0;
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}
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}
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return 1;
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}
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sub pkgconfig_check_version($$;$)
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{
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my ($packagename, $version, $module) = @_;
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extend_pkg_path();
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print "Checking version of package \e[1;32m$packagename\e[0m is >= \e[1;32m$version\e[0m... ";
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my $v = `pkg-config --modversion $packagename 2>/dev/null`;
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if (defined $v)
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{
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chomp($v);
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}
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if ((defined $v) && ($v ne ""))
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{
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if (vcheck($v,$version) == 1)
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{
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print "\e[1;32mYes (version $v)\e[0m\n";
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return 1;
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}
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else
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{
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print "\e[1;32mNo (version $v)\e[0m\n";
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return 0;
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}
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}
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# If we didnt find it, we cant definitively say its too old.
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# Return ok, and let pkgconflibs() or pkgconfincludes() pick up
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# the missing library later on.
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print "\e[1;32mNo (not found)\e[0m\n";
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return 1;
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}
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sub pkgconfig_get_lib_dirs($$$;$)
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{
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my ($packagename, $libname, $defaults, $module) = @_;
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my $key = "default_libdir_$packagename";
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if (exists $main::config{$key})
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{
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print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
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my $ret = $main::config{$key};
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print "\e[1;32m$ret\e[0m (cached)\n";
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return $ret;
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}
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extend_pkg_path();
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print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
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my $v = `pkg-config --modversion $packagename 2>/dev/null`;
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my $ret = `pkg-config --libs $packagename 2>/dev/null`;
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my $foo = "";
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if ((!defined $v) || ($v eq ""))
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{
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$foo = `locate "$libname" | head -n 1`;
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$foo =~ /(.+)\Q$libname\E/;
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my $find = $1;
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chomp($find);
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if ((defined $find) && ($find ne "") && ($find ne $packagename))
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{
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print "(\e[1;32mFound via search\e[0m) ";
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$foo = "-L$1";
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}
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else
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{
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$foo = " ";
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undef $v;
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}
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$ret = "$foo";
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}
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if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
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{
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$ret = "$foo " . $defaults;
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}
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chomp($ret);
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if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
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{
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my $key = "default_libdir_$packagename";
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if (exists $main::config{$key})
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{
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$ret = $main::config{$key};
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}
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else
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{
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$libname =~ s/^\///;
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promptstring("path to the directory containing $libname", $key, "/usr/lib",$packagename,"$packagename-libs");
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$main::config{$key} = "-L$main::config{$key}" . " $defaults";
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$main::config{$key} =~ s/^\s+//g;
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$ret = $main::config{$key};
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return $ret;
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}
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}
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else
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{
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chomp($v);
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print "\e[1;32m$ret\e[0m (version $v)\n";
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my $key = "default_libdir_$packagename";
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$main::config{$key} = $ret;
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$main::config{$key} =~ s/^\s+//g;
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$ret =~ s/^\s+//g;
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}
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$ret =~ s/^\s+//g;
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return $ret;
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}
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# Translate a $CompileFlags etc line and parse out function calls
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# to functions within these modules at configure time.
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sub translate_functions($$)
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{
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my ($line,$module) = @_;
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eval
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{
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$module =~ /modules*\/(.+?)$/;
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$module = $1;
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# This is only a cursory check, just designed to catch casual accidental use of backticks.
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# There are pleanty of ways around it, but its not supposed to be for security, just checking
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# that people are using the new configuration api as theyre supposed to and not just using
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# backticks instead of eval(), being as eval has accountability. People wanting to get around
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# the accountability will do so anyway.
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if (($line =~ /`/) && ($line !~ /eval\(.+?`.+?\)/))
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{
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die "Developers should no longer use backticks in configuration macros. Please use exec() and eval() macros instead. Offending line: $line (In module: $module)";
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}
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if ($line =~ /ifuname\(\!"(\w+)"\)/)
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{
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my $uname = $1;
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if ($uname eq $^O)
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{
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$line = "";
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return "";
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}
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$line =~ s/ifuname\(\!"(.+?)"\)//;
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}
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if ($line =~ /ifuname\("(\w+)"\)/)
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{
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my $uname = $1;
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if ($uname ne $^O)
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{
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$line = "";
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return "";
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}
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$line =~ s/ifuname\("(.+?)"\)//;
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}
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if ($line =~ /if\("(\w+)"\)/)
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{
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if (defined $main::config{$1})
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{
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if (($main::config{$1} !~ /y/i) and ($main::config{$1} ne "1"))
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{
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$line = "";
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return "";
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}
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}
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$line =~ s/if\("(.+?)"\)//;
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}
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if ($line =~ /if\(\!"(\w+)"\)/)
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{
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if (!exists $main::config{$1})
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{
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$line = "";
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return "";
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}
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else
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{
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if (defined $1)
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{
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if (exists ($main::config{$1}) and (($main::config{$1} =~ /y/i) or ($main::config{$1} eq "1")))
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{
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$line = "";
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return "";
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}
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}
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}
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$line =~ s/if\(\!"(.+?)"\)//;
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}
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while ($line =~ /exec\("(.+?)"\)/)
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{
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print "Executing program for module \e[1;32m$module\e[0m ... \e[1;32m$1\e[0m\n";
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my $replace = `$1`;
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die $replace if ($replace =~ /Configuration failed/);
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chomp($replace);
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$line =~ s/exec\("(.+?)"\)/$replace/;
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}
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while ($line =~ /execruntime\("(.+?)"\)/)
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{
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$line =~ s/execruntime\("(.+?)"\)/`$1`/;
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}
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while ($line =~ /eval\("(.+?)"\)/)
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{
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print "Evaluating perl code for module \e[1;32m$module\e[0m ... ";
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my $tmpfile;
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do
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{
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$tmpfile = tmpnam();
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} until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0700);
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print "(Created and executed \e[1;32m$tmpfile\e[0m)\n";
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print TF $1;
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close TF;
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my $replace = `perl $tmpfile`;
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chomp($replace);
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$line =~ s/eval\("(.+?)"\)/$replace/;
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}
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while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
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{
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my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
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$line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
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}
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while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
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{
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if (pkgconfig_check_version($1, $2, $module) != 1)
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{
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die "Version of package $1 is too old. Please upgrade it to version \e[1;32m$2\e[0m or greater and try again.";
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}
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# This doesnt actually get replaced with anything
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$line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
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}
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while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
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{
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my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
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$line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
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}
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while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
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{
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my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
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$line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
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}
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while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
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{
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my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
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$line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
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}
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while ($line =~ /rpath\("(.+?)"\)/)
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{
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my $replace = make_rpath($1,$module);
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$replace = "" if ($^O =~ /darwin/i);
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$line =~ s/rpath\("(.+?)"\)/$replace/;
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}
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};
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if ($@)
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{
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my $err = $@;
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#$err =~ s/at .+? line \d+.*//g;
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print "\n\nConfiguration failed. The following error occured:\n\n$err\n";
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print "\nMake sure you have pkg-config installed\n";
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print "\nIn the case of gnutls configuration errors on debian,\n";
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print "Ubuntu, etc, you should ensure that you have installed\n";
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print "gnutls-bin as well as gnutls-dev and gnutls.\n";
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exit;
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}
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else
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{
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return $line;
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}
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}
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1;
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