make/utilities.pm

   1 #
   2 # InspIRCd -- Internet Relay Chat Daemon
   3 #
   4 #   Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
   5 #   Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
   6 #   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
   7 #   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
   8 #
   9 # This file is part of InspIRCd.  InspIRCd is free software: you can
  10 # redistribute it and/or modify it under the terms of the GNU General Public
  11 # License as published by the Free Software Foundation, version 2.
  12 #
  13 # This program is distributed in the hope that it will be useful, but WITHOUT
  14 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  15 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  16 # details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22
  23 BEGIN {
  24         require 5.8.0;
  25 }
  26
  27 package make::utilities;
  28
  29 use strict;
  30 use warnings FATAL => qw(all);
  31
  32 use Exporter 'import';
  33 use Fcntl;
  34 use File::Path;
  35 use Getopt::Long;
  36 use POSIX;
  37
  38 our @EXPORT = qw(make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring);
  39
  40 my %already_added = ();
  41
  42 sub promptstring($$$$$)
  43 {
  44         my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
  45         my $var;
  46         if (!$main::interactive)
  47         {
  48                 my $opt_commandlineswitch;
  49                 GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
  50                 if (defined $opt_commandlineswitch)
  51                 {
  52                         print "\e[1;32m$opt_commandlineswitch\e[0m\n";
  53                         $var = $opt_commandlineswitch;
  54                 }
  55                 else
  56                 {
  57                         die "Could not detect $package! Please specify the $prompt via the command line option \e[1;32m--$commandlineswitch=\"/path/to/file\"\e[0m";
  58                 }
  59         }
  60         else
  61         {
  62                 print "\nPlease enter the $prompt?\n";
  63                 print "[\e[1;32m$default\e[0m] -> ";
  64                 chomp($var = <STDIN>);
  65         }
  66         if ($var eq "")
  67         {
  68                 $var = $default;
  69         }
  70         $main::config{$configitem} = $var;
  71 }
  72
  73 sub make_rpath($;$)
  74 {
  75         my ($executable, $module) = @_;
  76         return "" if defined $ENV{DISABLE_RPATH};
  77         chomp(my $data = `$executable`);
  78         my $output = "";
  79         while ($data =~ /-L(\S+)/)
  80         {
  81                 my $libpath = $1;
  82                 if (!exists $already_added{$libpath})
  83                 {
  84                         print "Adding runtime library path to \e[1;32m$module\e[0m ... \e[1;32m$libpath\e[0m\n";
  85                         $already_added{$libpath} = 1;
  86                 }
  87                 $output .= "-Wl,-rpath -Wl,$libpath -L$libpath ";
  88                 $data =~ s/-L(\S+)//;
  89         }
  90         return $output;
  91 }
  92
  93 sub extend_pkg_path()
  94 {
  95         if (!exists $ENV{PKG_CONFIG_PATH})
  96         {
  97                 $ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
  98         }
  99         else
 100         {
 101                 $ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 102         }
 103 }
 104
 105 sub pkgconfig_get_include_dirs($$$;$)
 106 {
 107         my ($packagename, $headername, $defaults, $module) = @_;
 108
 109         extend_pkg_path();
 110
 111         print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 112
 113         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 114         my $ret = `pkg-config --cflags $packagename 2>/dev/null`;
 115         my $foo = "";
 116         if ((!defined $v) || ($v eq ""))
 117         {
 118                 print "\e[31mCould not find $packagename via pkg-config\e[m (\e[1;32mplease install pkg-config\e[m)\n";
 119                 my $locbin = $^O eq 'solaris' ? 'slocate' : 'locate';
 120                 $foo = `$locbin "$headername" 2>/dev/null | head -n 1`;
 121                 my $find = $foo =~ /(.+)\Q$headername\E/ ? $1 : '';
 122                 chomp($find);
 123                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 124                 {
 125                         print "(\e[1;32mFound via search\e[0m) ";
 126                         $foo = "-I$1";
 127                 }
 128                 else
 129                 {
 130                         $foo = " ";
 131                         undef $v;
 132                 }
 133                 $ret = "$foo";
 134         }
 135         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 136         {
 137                 $ret = "$foo " . $defaults;
 138         }
 139         chomp($ret);
 140         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 141         {
 142                 my $key = "default_includedir_$packagename";
 143                 if (exists $main::config{$key})
 144                 {
 145                         $ret = $main::config{$key};
 146                 }
 147                 else
 148                 {
 149                         $headername =~ s/^\///;
 150                         promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
 151                         $packagename =~ tr/a-z/A-Z/;
 152                         if (defined $v)
 153                         {
 154                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
 155                         }
 156                         else
 157                         {
 158                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"0.0\"";
 159                         }
 160                         $main::config{$key} =~ s/^\s+//g;
 161                         $ret = $main::config{$key};
 162                         return $ret;
 163                 }
 164         }
 165         else
 166         {
 167                 chomp($v);
 168                 my $key = "default_includedir_$packagename";
 169                 $packagename =~ tr/a-z/A-Z/;
 170                 $main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
 171                 $main::config{$key} =~ s/^\s+//g;
 172                 $ret = $main::config{$key};
 173                 print "\e[1;32m$ret\e[0m (version $v)\n";
 174         }
 175         $ret =~ s/^\s+//g;
 176         return $ret;
 177 }
 178
 179 sub pkgconfig_check_version($$;$)
 180 {
 181         my ($packagename, $version, $module) = @_;
 182
 183         extend_pkg_path();
 184
 185         print "Checking version of package \e[1;32m$packagename\e[0m is >= \e[1;32m$version\e[0m... ";
 186
 187         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 188         if (defined $v)
 189         {
 190                 chomp($v);
 191         }
 192         if ((defined $v) && ($v ne ""))
 193         {
 194                 if (!system "pkg-config --atleast-version $version $packagename")
 195                 {
 196                         print "\e[1;32mYes (version $v)\e[0m\n";
 197                         return 1;
 198                 }
 199                 else
 200                 {
 201                         print "\e[1;32mNo (version $v)\e[0m\n";
 202                         return 0;
 203                 }
 204         }
 205         # If we didnt find it, we  cant definitively say its too old.
 206         # Return ok, and let pkgconflibs() or pkgconfincludes() pick up
 207         # the missing library later on.
 208         print "\e[1;32mNo (not found)\e[0m\n";
 209         return 1;
 210 }
 211
 212 sub pkgconfig_get_lib_dirs($$$;$)
 213 {
 214         my ($packagename, $libname, $defaults, $module) = @_;
 215
 216         extend_pkg_path();
 217
 218         print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 219
 220         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 221         my $ret = `pkg-config --libs $packagename 2>/dev/null`;
 222
 223         my $foo = "";
 224         if ((!defined $v) || ($v eq ""))
 225         {
 226                 my $locbin = $^O eq 'solaris' ? 'slocate' : 'locate';
 227                 $foo = `$locbin "$libname" | head -n 1`;
 228                 $foo =~ /(.+)\Q$libname\E/;
 229                 my $find = $1;
 230                 chomp($find);
 231                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 232                 {
 233                         print "(\e[1;32mFound via search\e[0m) ";
 234                         $foo = "-L$1";
 235                 }
 236                 else
 237                 {
 238                         $foo = " ";
 239                         undef $v;
 240                 }
 241                 $ret = "$foo";
 242         }
 243
 244         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 245         {
 246                 $ret = "$foo " . $defaults;
 247         }
 248         chomp($ret);
 249         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 250         {
 251                 my $key = "default_libdir_$packagename";
 252                 if (exists $main::config{$key})
 253                 {
 254                         $ret = $main::config{$key};
 255                 }
 256                 else
 257                 {
 258                         $libname =~ s/^\///;
 259                         promptstring("path to the directory containing $libname", $key, "/usr/lib",$packagename,"$packagename-libs");
 260                         $main::config{$key} = "-L$main::config{$key}" . " $defaults";
 261                         $main::config{$key} =~ s/^\s+//g;
 262                         $ret = $main::config{$key};
 263                         return $ret;
 264                 }
 265         }
 266         else
 267         {
 268                 chomp($v);
 269                 print "\e[1;32m$ret\e[0m (version $v)\n";
 270                 my $key = "default_libdir_$packagename";
 271                 $main::config{$key} = $ret;
 272                 $main::config{$key} =~ s/^\s+//g;
 273                 $ret =~ s/^\s+//g;
 274         }
 275         $ret =~ s/^\s+//g;
 276         return $ret;
 277 }
 278
 279 # Translate a $CompileFlags etc line and parse out function calls
 280 # to functions within these modules at configure time.
 281 sub translate_functions($$)
 282 {
 283         my ($line,$module) = @_;
 284
 285         eval
 286         {
 287                 $module =~ /modules*\/(.+?)$/;
 288                 $module = $1;
 289
 290                 if ($line =~ /ifuname\(\!"(\w+)"\)/)
 291                 {
 292                         my $uname = $1;
 293                         if ($uname eq $^O)
 294                         {
 295                                 $line = "";
 296                                 return "";
 297                         }
 298
 299                         $line =~ s/ifuname\(\!"(.+?)"\)//;
 300                 }
 301
 302                 if ($line =~ /ifuname\("(\w+)"\)/)
 303                 {
 304                         my $uname = $1;
 305                         if ($uname ne $^O)
 306                         {
 307                                 $line = "";
 308                                 return "";
 309                         }
 310
 311                         $line =~ s/ifuname\("(.+?)"\)//;
 312                 }
 313
 314                 if ($line =~ /if\("(\w+)"\)/)
 315                 {
 316                         if (defined $main::config{$1})
 317                         {
 318                                 if (($main::config{$1} !~ /y/i) and ($main::config{$1} ne "1"))
 319                                 {
 320                                         $line = "";
 321                                         return "";
 322                                 }
 323                         }
 324
 325                         $line =~ s/if\("(.+?)"\)//;
 326                 }
 327                 if ($line =~ /if\(\!"(\w+)"\)/)
 328                 {
 329                         if (!exists $main::config{$1})
 330                         {
 331                                 $line = "";
 332                                 return "";
 333                         }
 334                         else
 335                         {
 336                                 if (defined $1)
 337                                 {
 338                                         if (exists ($main::config{$1}) and (($main::config{$1} =~ /y/i) or ($main::config{$1} eq "1")))
 339                                         {
 340                                                 $line = "";
 341                                                 return "";
 342                                         }
 343                                 }
 344                         }
 345
 346                         $line =~ s/if\(\!"(.+?)"\)//;
 347                 }
 348                 while ($line =~ /exec\("(.+?)"\)/)
 349                 {
 350                         print "Executing program for module \e[1;32m$module\e[0m ... \e[1;32m$1\e[0m\n";
 351                         my $replace = `$1`;
 352                         die $replace if ($replace =~ /Configuration failed/);
 353                         chomp($replace);
 354                         $line =~ s/exec\("(.+?)"\)/$replace/;
 355                 }
 356                 while ($line =~ /execruntime\("(.+?)"\)/)
 357                 {
 358                         $line =~ s/execruntime\("(.+?)"\)/`$1`/;
 359                 }
 360                 while ($line =~ /eval\("(.+?)"\)/)
 361                 {
 362                         print "Evaluating perl code for module \e[1;32m$module\e[0m ... ";
 363                         my $tmpfile;
 364                         do
 365                         {
 366                                 $tmpfile = tmpnam();
 367                         } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0700);
 368                         print "(Created and executed \e[1;32m$tmpfile\e[0m)\n";
 369                         print TF $1;
 370                         close TF;
 371                         my $replace = `perl $tmpfile`;
 372                         chomp($replace);
 373                         unlink($tmpfile);
 374                         $line =~ s/eval\("(.+?)"\)/$replace/;
 375                 }
 376                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
 377                 {
 378                         my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
 379                         $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 380                 }
 381                 while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
 382                 {
 383                         if (pkgconfig_check_version($1, $2, $module) != 1)
 384                         {
 385                                 die "Version of package $1 is too old. Please upgrade it to version \e[1;32m$2\e[0m or greater and try again.";
 386                         }
 387                         # This doesnt actually get replaced with anything
 388                         $line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
 389                 }
 390                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
 391                 {
 392                         my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
 393                         $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
 394                 }
 395                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
 396                 {
 397                         my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
 398                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
 399                 }
 400                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
 401                 {
 402                         my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
 403                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 404                 }
 405                 while ($line =~ /rpath\("(.+?)"\)/)
 406                 {
 407                         my $replace = make_rpath($1,$module);
 408                         $line =~ s/rpath\("(.+?)"\)/$replace/;
 409                 }
 410         };
 411         if ($@)
 412         {
 413                 my $err = $@;
 414                 #$err =~ s/at .+? line \d+.*//g;
 415                 print "\n\nConfiguration failed. The following error occured:\n\n$err\n";
 416                 print "\nMake sure you have pkg-config installed\n";
 417                 print "\nIn the case of gnutls configuration errors on debian,\n";
 418                 print "Ubuntu, etc, you should ensure that you have installed\n";
 419                 print "gnutls-bin as well as libgnutls-dev and libgnutls.\n";
 420                 exit;
 421         }
 422         else
 423         {
 424                 return $line;
 425         }
 426 }
 427
 428 1;
 429