1 #
\r# Copyright 2002-2007 The ChatSpike Development Team
\r# <brain@chatspike.net>
\r# <Craig@chatspike.net>
\r#
\r# Licensed under GPL, please see the COPYING file
\r# for more information
\r#
\r\rpackage make::utilities;
\ruse Exporter 'import';
\ruse POSIX;
\ruse Getopt::Long;
\r@EXPORT = qw(make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring vcheck);
\r\r# Parse the output of a *_config program,
\r# such as pcre_config, take out the -L
\r# directive and return an rpath for it.
\r\r# \033[1;32msrc/Makefile\033[0m
\r\rmy %already_added = ();
\r\rsub promptstring($$$$$)
\r{
\r my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
\r my $var;
\r if (!$main::interactive)
\r {
\r undef $opt_commandlineswitch;
\r GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
\r if (defined $opt_commandlineswitch)
\r {
\r print "\033[1;32m$opt_commandlineswitch\033[0m\n";
\r $var = $opt_commandlineswitch;
\r }
\r else
\r {
\r die "Could not detect $package! Please specify the $prompt via the command line option \033[1;32m--$commandlineswitch=\"/path/to/file\"\033[0m";
\r }
\r }
\r else
\r {
\r print "\nPlease enter the $prompt?\n";
\r print "[\033[1;32m$default\033[0m] -> ";
\r chomp($var = <STDIN>);
\r }
\r if ($var eq "")
\r {
\r $var = $default;
\r }
\r $main::config{$configitem} = $var;
\r}
\r\rsub make_rpath($;$)
\r{
\r my ($executable, $module) = @_;
\r chomp($data = `$executable`);
\r my $output = "";
\r while ($data =~ /-L(\S+)/)
\r {
\r $libpath = $1;
\r if (!exists $already_added{$libpath})
\r {
\r print "Adding extra library path to \033[1;32m$module\033[0m ... \033[1;32m$libpath\033[0m\n";
\r $already_added{$libpath} = 1;
\r }
\r $output .= "-Wl,--rpath -Wl,$libpath -L$libpath ";
\r $data =~ s/-L(\S+)//;
\r }
\r return $output;
\r}
\r\rsub extend_pkg_path()
\r{
\r if (!exists $ENV{PKG_CONFIG_PATH})
\r {
\r $ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
\r }
\r else
\r {
\r $ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
\r }
\r}
\r\rsub pkgconfig_get_include_dirs($$$;$)
\r{
\r my ($packagename, $headername, $defaults, $module) = @_;
\r\r my $key = "default_includedir_$packagename";
\r if (exists $main::config{$key})
\r {
\r print "Locating include directory for package \033[1;32m$packagename\033[0m for module \033[1;32m$module\033[0m... ";
\r $ret = $main::config{$key};
\r print "\033[1;32m$ret\033[0m (cached)\n";
\r return $ret;
\r }
\r\r extend_pkg_path();
\r\r print "Locating include directory for package \033[1;32m$packagename\033[0m for module \033[1;32m$module\033[0m... ";
\r\r $v = `pkg-config --modversion $packagename 2>/dev/null`;
\r $ret = `pkg-config --cflags $packagename 2>/dev/null`;
\r\r if ((!defined $v) || ($v eq ""))
\r {
\r $foo = `locate "$headername" | head -n 1`;
\r $foo =~ /(.+)\Q$headername\E/;
\r $find = $1;
\r chomp($find);
\r if ((defined $find) && ($find ne "") && ($find ne $packagename))
\r {
\r print "(\033[1;32mFound via search\033[0m) ";
\r $foo = "-I$1";
\r }
\r else
\r {
\r $foo = " ";
\r undef $v;
\r }
\r $ret = "$foo";
\r }
\r if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
\r {
\r $ret = "$foo " . $defaults;
\r }
\r chomp($ret);
\r if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
\r {
\r my $key = "default_includedir_$packagename";
\r if (exists $main::config{$key})
\r {
\r $ret = $main::config{$key};
\r }
\r else
\r {
\r $headername =~ s/^\///;
\r promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
\r $packagename =~ tr/a-z/A-Z/;
\r $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
\r $main::config{$key} =~ s/^\s+//g;
\r $ret = $main::config{$key};
\r return $ret;
\r }
\r }
\r else
\r {
\r chomp($v);
\r my $key = "default_includedir_$packagename";
\r $packagename =~ tr/a-z/A-Z/;
\r $main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
\r $main::config{$key} =~ s/^\s+//g;
\r $ret = $main::config{$key};
\r print "\033[1;32m$ret\033[0m (version $v)\n";
\r }
\r $ret =~ s/^\s+//g;
\r return $ret;
\r}
\r\rsub vcheck($$)
\r{
\r my ($version1, $version2) = @_;
\r $version1 =~ s/\-r(\d+)/\.\1/g; # minor revs/patchlevels
\r $version2 =~ s/\-r(\d+)/\.\1/g;
\r $version1 =~ s/p(\d+)/\.\1/g;
\r $version2 =~ s/p(\d+)/\.\1/g;
\r $version1 =~ s/\-//g;
\r $version2 =~ s/\-//g;
\r $version1 =~ s/a-z//g;
\r $version2 =~ s/a-z//g;
\r my @v1 = split('\.', $version1);
\r my @v2 = split('\.', $version2);
\r for ($curr = 0; $curr < scalar(@v1); $curr++)
\r {
\r if ($v1[$curr] < $v2[$curr])
\r {
\r return 0;
\r }
\r }
\r return 1;
\r}
\r\rsub pkgconfig_check_version($$;$)
\r{
\r my ($packagename, $version, $module) = @_;
\r\r extend_pkg_path();
\r\r print "Checking version of package \033[1;32m$packagename\033[0m is >= \033[1;32m$version\033[0m... ";
\r\r $v = `pkg-config --modversion $packagename 2>/dev/null`;
\r if (defined $v)
\r {
\r chomp($v);
\r }
\r if ((defined $v) && ($v ne ""))
\r {
\r if (vcheck($v,$version) == 1)
\r {
\r print "\033[1;32mYes (version $v)\033[0m\n";
\r return 1;
\r }
\r else
\r {
\r print "\033[1;32mNo (version $v)\033[0m\n";
\r return 0;
\r }
\r }
\r # If we didnt find it, we cant definitively say its too old.
\r # Return ok, and let pkgconflibs() or pkgconfincludes() pick up
\r # the missing library later on.
\r print "\033[1;32mNo (not found)\033[0m\n";
\r return 1;
\r}
\r\rsub pkgconfig_get_lib_dirs($$$;$)
\r{
\r my ($packagename, $libname, $defaults, $module) = @_;
\r\r my $key = "default_libdir_$packagename";
\r if (exists $main::config{$key})
\r {
\r print "Locating library directory for package \033[1;32m$packagename\033[0m for module \033[1;32m$module\033[0m... ";
\r $ret = $main::config{$key};
\r print "\033[1;32m$ret\033[0m (cached)\n";
\r return $ret;
\r }
\r\r extend_pkg_path();
\r\r print "Locating library directory for package \033[1;32m$packagename\033[0m for module \033[1;32m$module\033[0m... ";
\r\r $v = `pkg-config --modversion $packagename 2>/dev/null`;
\r $ret = `pkg-config --libs $packagename 2>/dev/null`;
\r\r if ((!defined $v) || ($v eq ""))
\r {
\r $foo = `locate "$libname" | head -n 1`;
\r $foo =~ /(.+)\Q$libname\E/;
\r $find = $1;
\r chomp($find);
\r if ((defined $find) && ($find ne "") && ($find ne $packagename))
\r {
\r print "(\033[1;32mFound via search\033[0m) ";
\r $foo = "-L$1";
\r }
\r else
\r {
\r $foo = " ";
\r undef $v;
\r }
\r $ret = "$foo";
\r }
\r\r if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
\r {
\r $ret = "$foo " . $defaults;
\r }
\r chomp($ret);
\r if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
\r {
\r my $key = "default_libdir_$packagename";
\r if (exists $main::config{$key})
\r {
\r $ret = $main::config{$key};
\r }
\r else
\r {
\r $libname =~ s/^\///;
\r promptstring("path to the directory containing $libname", $key, "/usr/lib",$packagename,"$packagename-libs");
\r $main::config{$key} = "-L$main::config{$key}" . " $defaults";
\r $main::config{$key} =~ s/^\s+//g;
\r $ret = $main::config{$key};
\r return $ret;
\r }
\r }
\r else
\r {
\r chomp($v);
\r print "\033[1;32m$ret\033[0m (version $v)\n";
\r my $key = "default_libdir_$packagename";
\r $main::config{$key} = $ret;
\r $main::config{$key} =~ s/^\s+//g;
\r $ret =~ s/^\s+//g;
\r }
\r $ret =~ s/^\s+//g;
\r return $ret;
\r}
\r\r# Translate a $CompileFlags etc line and parse out function calls
\r# to functions within these modules at configure time.
\rsub translate_functions($$)
\r{
\r my ($line,$module) = @_;
\r\r eval
\r {
\r $module =~ /modules*\/(.+?)$/;
\r $module = $1;
\r\r # This is only a cursory check, just designed to catch casual accidental use of backticks.
\r # There are pleanty of ways around it, but its not supposed to be for security, just checking
\r # that people are using the new configuration api as theyre supposed to and not just using
\r # backticks instead of eval(), being as eval has accountability. People wanting to get around
\r # the accountability will do so anyway.
\r if (($line =~ /`/) && ($line !~ /eval\(.+?`.+?\)/))
\r {
\r die "Developers should no longer use backticks in configuration macros. Please use exec() and eval() macros instead. Offending line: $line (In module: $module)";
\r }
\r while ($line =~ /exec\("(.+?)"\)/)
\r {
\r print "Executing program for module \033[1;32m$module\033[0m ... \033[1;32m$1\033[0m\n";
\r my $replace = `$1`;
\r chomp($replace);
\r $line =~ s/exec\("(.+?)"\)/$replace/;
\r }
\r while ($line =~ /eval\("(.+?)"\)/)
\r {
\r print "Evaluating perl code for module \033[1;32m$module\033[0m ... ";
\r my $tmpfile;
\r do
\r {
\r $tmpfile = tmpnam();
\r } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0700);
\r print "(Created and executed \033[1;32m$tmpfile\033[0m)\n";
\r print TF $1;
\r close TF;
\r my $replace = `perl $tmpfile`;
\r chomp($replace);
\r $line =~ s/eval\("(.+?)"\)/$replace/;
\r }
\r while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
\r {
\r my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
\r $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
\r }
\r while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
\r {
\r if (pkgconfig_check_version($1, $2, $module) != 1)
\r {
\r die "Version of package $1 is too old. Please upgrade it to version \033[1;32m$2\033[0m or greater and try again.";
\r }
\r # This doesnt actually get replaced with anything
\r $line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
\r }
\r while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
\r {
\r my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
\r $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
\r }
\r while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
\r {
\r my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
\r $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
\r }
\r while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
\r {
\r my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
\r $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
\r }
\r while ($line =~ /rpath\("(.+?)"\)/)
\r {
\r my $replace = make_rpath($1,$module);
\r $replace = "" if ($^O =~ /darwin/i);
\r $line =~ s/rpath\("(.+?)"\)/$replace/;
\r }
\r };
\r if ($@)
\r {
\r $err = $@;
\r $err =~ s/at .+? line \d+.*//g;
\r print "\n\nConfiguration failed. The following error occured:\n\n$err\n";
\r exit;
\r }
\r else
\r {
\r return $line;
\r }
\r}
\r\r1;
\r\r