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 package make::utilities;
  24
  25 require 5.8.0;
  26
  27 use strict;
  28 use warnings FATAL => qw(all);
  29
  30 use Exporter 'import';
  31 use POSIX;
  32 use Getopt::Long;
  33 use Fcntl;
  34 our @EXPORT = qw(make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring);
  35
  36 # Parse the output of a *_config program,
  37 # such as pcre_config, take out the -L
  38 # directive and return an rpath for it.
  39
  40 # \e[1;32msrc/Makefile\e[0m
  41
  42 my %already_added = ();
  43 my $if_skip_lines = 0;
  44
  45 sub promptstring($$$$$)
  46 {
  47         my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
  48         my $var;
  49         if (!$main::interactive)
  50         {
  51                 my $opt_commandlineswitch;
  52                 GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
  53                 if (defined $opt_commandlineswitch)
  54                 {
  55                         print "\e[1;32m$opt_commandlineswitch\e[0m\n";
  56                         $var = $opt_commandlineswitch;
  57                 }
  58                 else
  59                 {
  60                         die "Could not detect $package! Please specify the $prompt via the command line option \e[1;32m--$commandlineswitch=\"/path/to/file\"\e[0m";
  61                 }
  62         }
  63         else
  64         {
  65                 print "\nPlease enter the $prompt?\n";
  66                 print "[\e[1;32m$default\e[0m] -> ";
  67                 chomp($var = <STDIN>);
  68         }
  69         if ($var eq "")
  70         {
  71                 $var = $default;
  72         }
  73         $main::config{$configitem} = $var;
  74 }
  75
  76 sub make_rpath($;$)
  77 {
  78         my ($executable, $module) = @_;
  79         chomp(my $data = `$executable`);
  80         my $output = "";
  81         while ($data =~ /-L(\S+)/)
  82         {
  83                 my $libpath = $1;
  84                 if (!exists $already_added{$libpath})
  85                 {
  86                         print "Adding extra library path to \e[1;32m$module\e[0m ... \e[1;32m$libpath\e[0m\n";
  87                         $already_added{$libpath} = 1;
  88                 }
  89                 $output .= "-Wl,--rpath -Wl,$libpath -L$libpath " unless defined $main::opt_disablerpath;
  90                 $data =~ s/-L(\S+)//;
  91         }
  92         return $output;
  93 }
  94
  95 sub extend_pkg_path()
  96 {
  97         if (!exists $ENV{PKG_CONFIG_PATH})
  98         {
  99                 $ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 100         }
 101         else
 102         {
 103                 $ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 104         }
 105 }
 106
 107 sub pkgconfig_get_include_dirs($$$;$)
 108 {
 109         my ($packagename, $headername, $defaults, $module) = @_;
 110
 111         extend_pkg_path();
 112
 113         print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 114
 115         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 116         my $ret = `pkg-config --cflags $packagename 2>/dev/null`;
 117         my $foo = "";
 118         if ((!defined $v) || ($v eq ""))
 119         {
 120                 print "\e[31mCould not find $packagename via pkg-config\e[m (\e[1;32mplease install pkg-config\e[m)\n";
 121                 $foo = `locate "$headername" 2>/dev/null | head -n 1`;
 122                 my $find = $foo =~ /(.+)\Q$headername\E/ ? $1 : '';
 123                 chomp($find);
 124                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 125                 {
 126                         print "(\e[1;32mFound via search\e[0m) ";
 127                         $foo = "-I$1";
 128                 }
 129                 else
 130                 {
 131                         $foo = " ";
 132                         undef $v;
 133                 }
 134                 $ret = "$foo";
 135         }
 136         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 137         {
 138                 $ret = "$foo " . $defaults;
 139         }
 140         chomp($ret);
 141         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 142         {
 143                 my $key = "default_includedir_$packagename";
 144                 if (exists $main::config{$key})
 145                 {
 146                         $ret = $main::config{$key};
 147                 }
 148                 else
 149                 {
 150                         $headername =~ s/^\///;
 151                         promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
 152                         $packagename =~ tr/a-z/A-Z/;
 153                         if (defined $v)
 154                         {
 155                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
 156                         }
 157                         else
 158                         {
 159                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"0.0\"";
 160                         }
 161                         $main::config{$key} =~ s/^\s+//g;
 162                         $ret = $main::config{$key};
 163                         return $ret;
 164                 }
 165         }
 166         else
 167         {
 168                 chomp($v);
 169                 my $key = "default_includedir_$packagename";
 170                 $packagename =~ tr/a-z/A-Z/;
 171                 $main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
 172                 $main::config{$key} =~ s/^\s+//g;
 173                 $ret = $main::config{$key};
 174                 print "\e[1;32m$ret\e[0m (version $v)\n";
 175         }
 176         $ret =~ s/^\s+//g;
 177         return $ret;
 178 }
 179
 180 sub pkgconfig_check_version($$;$)
 181 {
 182         my ($packagename, $version, $module) = @_;
 183
 184         extend_pkg_path();
 185
 186         print "Checking version of package \e[1;32m$packagename\e[0m is >= \e[1;32m$version\e[0m... ";
 187
 188         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 189         if (defined $v)
 190         {
 191                 chomp($v);
 192         }
 193         if ((defined $v) && ($v ne ""))
 194         {
 195                 if (!system "pkg-config --atleast-version $version $packagename")
 196                 {
 197                         print "\e[1;32mYes (version $v)\e[0m\n";
 198                         return 1;
 199                 }
 200                 else
 201                 {
 202                         print "\e[1;32mNo (version $v)\e[0m\n";
 203                         return 0;
 204                 }
 205         }
 206         # If we didnt find it, we  cant definitively say its too old.
 207         # Return ok, and let pkgconflibs() or pkgconfincludes() pick up
 208         # the missing library later on.
 209         print "\e[1;32mNo (not found)\e[0m\n";
 210         return 1;
 211 }
 212
 213 sub pkgconfig_get_lib_dirs($$$;$)
 214 {
 215         my ($packagename, $libname, $defaults, $module) = @_;
 216
 217         extend_pkg_path();
 218
 219         print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 220
 221         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 222         my $ret = `pkg-config --libs $packagename 2>/dev/null`;
 223
 224         my $foo = "";
 225         if ((!defined $v) || ($v eq ""))
 226         {
 227                 $foo = `locate "$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                         $line =~ s/eval\("(.+?)"\)/$replace/;
 374                 }
 375                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
 376                 {
 377                         my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
 378                         $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 379                 }
 380                 while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
 381                 {
 382                         if (pkgconfig_check_version($1, $2, $module) != 1)
 383                         {
 384                                 die "Version of package $1 is too old. Please upgrade it to version \e[1;32m$2\e[0m or greater and try again.";
 385                         }
 386                         # This doesnt actually get replaced with anything
 387                         $line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
 388                 }
 389                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
 390                 {
 391                         my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
 392                         $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
 393                 }
 394                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
 395                 {
 396                         my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
 397                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
 398                 }
 399                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
 400                 {
 401                         my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
 402                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 403                 }
 404                 while ($line =~ /rpath\("(.+?)"\)/)
 405                 {
 406                         my $replace = make_rpath($1,$module);
 407                         $replace = "" if ($^O =~ /darwin/i);
 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 gnutls-dev and gnutls.\n";
 420                 exit;
 421         }
 422         else
 423         {
 424                 return $line;
 425         }
 426 }
 427
 428 1;
 429