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 File::Spec::Functions qw(rel2abs);
  36 use Getopt::Long;
  37 use POSIX;
  38
  39 our @EXPORT = qw(module_installed prompt_bool prompt_dir prompt_string get_cpu_count make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring);
  40
  41 # Parse the output of a *_config program,
  42 # such as pcre_config, take out the -L
  43 # directive and return an rpath for it.
  44
  45 # \e[1;32msrc/Makefile\e[0m
  46
  47 my %already_added = ();
  48 my $if_skip_lines = 0;
  49
  50 sub module_installed($)
  51 {
  52         my $module = shift;
  53         eval("use $module;");
  54         return !$@;
  55 }
  56
  57 sub prompt_bool($$$) {
  58         my ($interactive, $question, $default) = @_;
  59         my $answer = prompt_string($interactive, $question, $default ? 'y' : 'n');
  60         return $answer =~ /y/i;
  61 }
  62
  63 sub prompt_dir($$$) {
  64         my ($interactive, $question, $default) = @_;
  65         my ($answer, $create) = (undef, 'y');
  66         do {
  67                 $answer = rel2abs(prompt_string($interactive, $question, $default));
  68                 $create = prompt_bool($interactive && !-d $answer, "$answer does not exist. Create it?", 'y');
  69                 my $mkpath = eval {
  70                         mkpath($answer, 0, 0750);
  71                         return 1;
  72                 };
  73                 unless (defined $mkpath) {
  74                         print "Error: unable to create $answer!\n\n";
  75                         $create = 0;
  76                 }
  77         } while (!$create);
  78         return $answer;
  79 }
  80
  81 sub prompt_string($$$) {
  82         my ($interactive, $question, $default) = @_;
  83         return $default unless $interactive;
  84         print $question, "\n";
  85         print "[\e[1;32m$default\e[0m] => ";
  86         chomp(my $answer = <STDIN>);
  87         print "\n";
  88         return $answer ? $answer : $default;
  89 }
  90
  91 sub get_cpu_count {
  92         my $count = 1;
  93         if ($^O =~ /bsd/) {
  94                 $count = `sysctl -n hw.ncpu`;
  95         } elsif ($^O eq 'darwin') {
  96                 $count = `sysctl -n hw.activecpu`;
  97         } elsif ($^O eq 'linux') {
  98                 $count = `getconf _NPROCESSORS_ONLN`;
  99         } elsif ($^O eq 'solaris') {
 100                 $count = `psrinfo -p`;
 101         }
 102         chomp($count);
 103         return $count;
 104 }
 105
 106 sub promptstring($$$$$)
 107 {
 108         my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
 109         my $var;
 110         if (!$main::interactive)
 111         {
 112                 my $opt_commandlineswitch;
 113                 GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
 114                 if (defined $opt_commandlineswitch)
 115                 {
 116                         print "\e[1;32m$opt_commandlineswitch\e[0m\n";
 117                         $var = $opt_commandlineswitch;
 118                 }
 119                 else
 120                 {
 121                         die "Could not detect $package! Please specify the $prompt via the command line option \e[1;32m--$commandlineswitch=\"/path/to/file\"\e[0m";
 122                 }
 123         }
 124         else
 125         {
 126                 print "\nPlease enter the $prompt?\n";
 127                 print "[\e[1;32m$default\e[0m] -> ";
 128                 chomp($var = <STDIN>);
 129         }
 130         if ($var eq "")
 131         {
 132                 $var = $default;
 133         }
 134         $main::config{$configitem} = $var;
 135 }
 136
 137 sub make_rpath($;$)
 138 {
 139         my ($executable, $module) = @_;
 140         chomp(my $data = `$executable`);
 141         my $output = "";
 142         while ($data =~ /-L(\S+)/)
 143         {
 144                 my $libpath = $1;
 145                 if (!exists $already_added{$libpath})
 146                 {
 147                         print "Adding extra library path to \e[1;32m$module\e[0m ... \e[1;32m$libpath\e[0m\n";
 148                         $already_added{$libpath} = 1;
 149                 }
 150                 $output .= "-Wl,--rpath -Wl,$libpath -L$libpath " unless defined $main::opt_disablerpath;
 151                 $data =~ s/-L(\S+)//;
 152         }
 153         return $output;
 154 }
 155
 156 sub extend_pkg_path()
 157 {
 158         if (!exists $ENV{PKG_CONFIG_PATH})
 159         {
 160                 $ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 161         }
 162         else
 163         {
 164                 $ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 165         }
 166 }
 167
 168 sub pkgconfig_get_include_dirs($$$;$)
 169 {
 170         my ($packagename, $headername, $defaults, $module) = @_;
 171
 172         extend_pkg_path();
 173
 174         print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 175
 176         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 177         my $ret = `pkg-config --cflags $packagename 2>/dev/null`;
 178         my $foo = "";
 179         if ((!defined $v) || ($v eq ""))
 180         {
 181                 print "\e[31mCould not find $packagename via pkg-config\e[m (\e[1;32mplease install pkg-config\e[m)\n";
 182                 $foo = `locate "$headername" 2>/dev/null | head -n 1`;
 183                 my $find = $foo =~ /(.+)\Q$headername\E/ ? $1 : '';
 184                 chomp($find);
 185                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 186                 {
 187                         print "(\e[1;32mFound via search\e[0m) ";
 188                         $foo = "-I$1";
 189                 }
 190                 else
 191                 {
 192                         $foo = " ";
 193                         undef $v;
 194                 }
 195                 $ret = "$foo";
 196         }
 197         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 198         {
 199                 $ret = "$foo " . $defaults;
 200         }
 201         chomp($ret);
 202         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 203         {
 204                 my $key = "default_includedir_$packagename";
 205                 if (exists $main::config{$key})
 206                 {
 207                         $ret = $main::config{$key};
 208                 }
 209                 else
 210                 {
 211                         $headername =~ s/^\///;
 212                         promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
 213                         $packagename =~ tr/a-z/A-Z/;
 214                         if (defined $v)
 215                         {
 216                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
 217                         }
 218                         else
 219                         {
 220                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"0.0\"";
 221                         }
 222                         $main::config{$key} =~ s/^\s+//g;
 223                         $ret = $main::config{$key};
 224                         return $ret;
 225                 }
 226         }
 227         else
 228         {
 229                 chomp($v);
 230                 my $key = "default_includedir_$packagename";
 231                 $packagename =~ tr/a-z/A-Z/;
 232                 $main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
 233                 $main::config{$key} =~ s/^\s+//g;
 234                 $ret = $main::config{$key};
 235                 print "\e[1;32m$ret\e[0m (version $v)\n";
 236         }
 237         $ret =~ s/^\s+//g;
 238         return $ret;
 239 }
 240
 241 sub pkgconfig_check_version($$;$)
 242 {
 243         my ($packagename, $version, $module) = @_;
 244
 245         extend_pkg_path();
 246
 247         print "Checking version of package \e[1;32m$packagename\e[0m is >= \e[1;32m$version\e[0m... ";
 248
 249         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 250         if (defined $v)
 251         {
 252                 chomp($v);
 253         }
 254         if ((defined $v) && ($v ne ""))
 255         {
 256                 if (!system "pkg-config --atleast-version $version $packagename")
 257                 {
 258                         print "\e[1;32mYes (version $v)\e[0m\n";
 259                         return 1;
 260                 }
 261                 else
 262                 {
 263                         print "\e[1;32mNo (version $v)\e[0m\n";
 264                         return 0;
 265                 }
 266         }
 267         # If we didnt find it, we  cant definitively say its too old.
 268         # Return ok, and let pkgconflibs() or pkgconfincludes() pick up
 269         # the missing library later on.
 270         print "\e[1;32mNo (not found)\e[0m\n";
 271         return 1;
 272 }
 273
 274 sub pkgconfig_get_lib_dirs($$$;$)
 275 {
 276         my ($packagename, $libname, $defaults, $module) = @_;
 277
 278         extend_pkg_path();
 279
 280         print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 281
 282         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 283         my $ret = `pkg-config --libs $packagename 2>/dev/null`;
 284
 285         my $foo = "";
 286         if ((!defined $v) || ($v eq ""))
 287         {
 288                 $foo = `locate "$libname" | head -n 1`;
 289                 $foo =~ /(.+)\Q$libname\E/;
 290                 my $find = $1;
 291                 chomp($find);
 292                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 293                 {
 294                         print "(\e[1;32mFound via search\e[0m) ";
 295                         $foo = "-L$1";
 296                 }
 297                 else
 298                 {
 299                         $foo = " ";
 300                         undef $v;
 301                 }
 302                 $ret = "$foo";
 303         }
 304
 305         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 306         {
 307                 $ret = "$foo " . $defaults;
 308         }
 309         chomp($ret);
 310         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 311         {
 312                 my $key = "default_libdir_$packagename";
 313                 if (exists $main::config{$key})
 314                 {
 315                         $ret = $main::config{$key};
 316                 }
 317                 else
 318                 {
 319                         $libname =~ s/^\///;
 320                         promptstring("path to the directory containing $libname", $key, "/usr/lib",$packagename,"$packagename-libs");
 321                         $main::config{$key} = "-L$main::config{$key}" . " $defaults";
 322                         $main::config{$key} =~ s/^\s+//g;
 323                         $ret = $main::config{$key};
 324                         return $ret;
 325                 }
 326         }
 327         else
 328         {
 329                 chomp($v);
 330                 print "\e[1;32m$ret\e[0m (version $v)\n";
 331                 my $key = "default_libdir_$packagename";
 332                 $main::config{$key} = $ret;
 333                 $main::config{$key} =~ s/^\s+//g;
 334                 $ret =~ s/^\s+//g;
 335         }
 336         $ret =~ s/^\s+//g;
 337         return $ret;
 338 }
 339
 340 # Translate a $CompileFlags etc line and parse out function calls
 341 # to functions within these modules at configure time.
 342 sub translate_functions($$)
 343 {
 344         my ($line,$module) = @_;
 345
 346         eval
 347         {
 348                 $module =~ /modules*\/(.+?)$/;
 349                 $module = $1;
 350
 351                 if ($line =~ /ifuname\(\!"(\w+)"\)/)
 352                 {
 353                         my $uname = $1;
 354                         if ($uname eq $^O)
 355                         {
 356                                 $line = "";
 357                                 return "";
 358                         }
 359
 360                         $line =~ s/ifuname\(\!"(.+?)"\)//;
 361                 }
 362
 363                 if ($line =~ /ifuname\("(\w+)"\)/)
 364                 {
 365                         my $uname = $1;
 366                         if ($uname ne $^O)
 367                         {
 368                                 $line = "";
 369                                 return "";
 370                         }
 371
 372                         $line =~ s/ifuname\("(.+?)"\)//;
 373                 }
 374
 375                 if ($line =~ /if\("(\w+)"\)/)
 376                 {
 377                         if (defined $main::config{$1})
 378                         {
 379                                 if (($main::config{$1} !~ /y/i) and ($main::config{$1} ne "1"))
 380                                 {
 381                                         $line = "";
 382                                         return "";
 383                                 }
 384                         }
 385
 386                         $line =~ s/if\("(.+?)"\)//;
 387                 }
 388                 if ($line =~ /if\(\!"(\w+)"\)/)
 389                 {
 390                         if (!exists $main::config{$1})
 391                         {
 392                                 $line = "";
 393                                 return "";
 394                         }
 395                         else
 396                         {
 397                                 if (defined $1)
 398                                 {
 399                                         if (exists ($main::config{$1}) and (($main::config{$1} =~ /y/i) or ($main::config{$1} eq "1")))
 400                                         {
 401                                                 $line = "";
 402                                                 return "";
 403                                         }
 404                                 }
 405                         }
 406
 407                         $line =~ s/if\(\!"(.+?)"\)//;
 408                 }
 409                 while ($line =~ /exec\("(.+?)"\)/)
 410                 {
 411                         print "Executing program for module \e[1;32m$module\e[0m ... \e[1;32m$1\e[0m\n";
 412                         my $replace = `$1`;
 413                         die $replace if ($replace =~ /Configuration failed/);
 414                         chomp($replace);
 415                         $line =~ s/exec\("(.+?)"\)/$replace/;
 416                 }
 417                 while ($line =~ /execruntime\("(.+?)"\)/)
 418                 {
 419                         $line =~ s/execruntime\("(.+?)"\)/`$1`/;
 420                 }
 421                 while ($line =~ /eval\("(.+?)"\)/)
 422                 {
 423                         print "Evaluating perl code for module \e[1;32m$module\e[0m ... ";
 424                         my $tmpfile;
 425                         do
 426                         {
 427                                 $tmpfile = tmpnam();
 428                         } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0700);
 429                         print "(Created and executed \e[1;32m$tmpfile\e[0m)\n";
 430                         print TF $1;
 431                         close TF;
 432                         my $replace = `perl $tmpfile`;
 433                         chomp($replace);
 434                         $line =~ s/eval\("(.+?)"\)/$replace/;
 435                 }
 436                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
 437                 {
 438                         my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
 439                         $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 440                 }
 441                 while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
 442                 {
 443                         if (pkgconfig_check_version($1, $2, $module) != 1)
 444                         {
 445                                 die "Version of package $1 is too old. Please upgrade it to version \e[1;32m$2\e[0m or greater and try again.";
 446                         }
 447                         # This doesnt actually get replaced with anything
 448                         $line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
 449                 }
 450                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
 451                 {
 452                         my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
 453                         $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
 454                 }
 455                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
 456                 {
 457                         my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
 458                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
 459                 }
 460                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
 461                 {
 462                         my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
 463                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 464                 }
 465                 while ($line =~ /rpath\("(.+?)"\)/)
 466                 {
 467                         my $replace = make_rpath($1,$module);
 468                         $replace = "" if ($^O =~ /darwin/i);
 469                         $line =~ s/rpath\("(.+?)"\)/$replace/;
 470                 }
 471         };
 472         if ($@)
 473         {
 474                 my $err = $@;
 475                 #$err =~ s/at .+? line \d+.*//g;
 476                 print "\n\nConfiguration failed. The following error occured:\n\n$err\n";
 477                 print "\nMake sure you have pkg-config installed\n";
 478                 print "\nIn the case of gnutls configuration errors on debian,\n";
 479                 print "Ubuntu, etc, you should ensure that you have installed\n";
 480                 print "gnutls-bin as well as gnutls-dev and gnutls.\n";
 481                 exit;
 482         }
 483         else
 484         {
 485                 return $line;
 486         }
 487 }
 488
 489 1;
 490