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(get_version module_installed get_cpu_count make_rpath pkgconfig_get_include_dirs pkgconfig_get_lib_dirs pkgconfig_check_version translate_functions promptstring);
  39
  40 my %already_added = ();
  41 my %version = ();
  42
  43 sub get_version {
  44         return %version if %version;
  45
  46         # Attempt to retrieve version information from src/version.sh
  47         chomp(my $vf = `sh src/version.sh 2>/dev/null`);
  48         if ($vf =~ /^InspIRCd-([0-9]+)\.([0-9]+)\.([0-9]+)(?:\+(\w+))?$/) {
  49                 %version = ( MAJOR => $1, MINOR => $2, PATCH => $3, LABEL => $4 );
  50         }
  51
  52         # Attempt to retrieve missing version information from Git
  53         chomp(my $gr = `git describe --tags 2>/dev/null`);
  54         if ($gr =~ /^v([0-9]+)\.([0-9]+)\.([0-9]+)(?:-\d+-(\w+))?$/) {
  55                 $version{MAJOR} = $1 unless defined $version{MAJOR};
  56                 $version{MINOR} = $2 unless defined $version{MINOR};
  57                 $version{PATCH} = $3 unless defined $version{PATCH};
  58                 $version{LABEL} = $4 if defined $4;
  59         }
  60
  61         # The user is using a stable release which does not have
  62         # a label attached.
  63         $version{LABEL} = 'release' unless defined $version{LABEL};
  64
  65         # If any of these fields are missing then the user has deleted the
  66         # version file and is not running from Git. Fill in the fields with
  67         # dummy data so we don't get into trouble with undef values later.
  68         $version{MAJOR} = '0' unless defined $version{MAJOR};
  69         $version{MINOR} = '0' unless defined $version{MINOR};
  70         $version{PATCH} = '0' unless defined $version{PATCH};
  71
  72         return %version;
  73 }
  74
  75 sub module_installed($) {
  76         my $module = shift;
  77         eval("use $module;");
  78         return !$@;
  79 }
  80
  81 sub get_cpu_count {
  82         my $count = 1;
  83         if ($^O =~ /bsd/) {
  84                 $count = `sysctl -n hw.ncpu`;
  85         } elsif ($^O eq 'darwin') {
  86                 $count = `sysctl -n hw.activecpu`;
  87         } elsif ($^O eq 'linux') {
  88                 $count = `getconf _NPROCESSORS_ONLN`;
  89         } elsif ($^O eq 'solaris') {
  90                 $count = `psrinfo -p`;
  91         }
  92         chomp($count);
  93         return $count;
  94 }
  95
  96 sub promptstring($$$$$)
  97 {
  98         my ($prompt, $configitem, $default, $package, $commandlineswitch) = @_;
  99         my $var;
 100         if (!$main::interactive)
 101         {
 102                 my $opt_commandlineswitch;
 103                 GetOptions ("$commandlineswitch=s" => \$opt_commandlineswitch);
 104                 if (defined $opt_commandlineswitch)
 105                 {
 106                         print "\e[1;32m$opt_commandlineswitch\e[0m\n";
 107                         $var = $opt_commandlineswitch;
 108                 }
 109                 else
 110                 {
 111                         die "Could not detect $package! Please specify the $prompt via the command line option \e[1;32m--$commandlineswitch=\"/path/to/file\"\e[0m";
 112                 }
 113         }
 114         else
 115         {
 116                 print "\nPlease enter the $prompt?\n";
 117                 print "[\e[1;32m$default\e[0m] -> ";
 118                 chomp($var = <STDIN>);
 119         }
 120         if ($var eq "")
 121         {
 122                 $var = $default;
 123         }
 124         $main::config{$configitem} = $var;
 125 }
 126
 127 sub make_rpath($;$)
 128 {
 129         my ($executable, $module) = @_;
 130         return "" if defined $ENV{DISABLE_RPATH};
 131         chomp(my $data = `$executable`);
 132         my $output = "";
 133         while ($data =~ /-L(\S+)/)
 134         {
 135                 my $libpath = $1;
 136                 if (!exists $already_added{$libpath})
 137                 {
 138                         print "Adding runtime library path to \e[1;32m$module\e[0m ... \e[1;32m$libpath\e[0m\n";
 139                         $already_added{$libpath} = 1;
 140                 }
 141                 $output .= "-Wl,-rpath -Wl,$libpath -L$libpath ";
 142                 $data =~ s/-L(\S+)//;
 143         }
 144         return $output;
 145 }
 146
 147 sub extend_pkg_path()
 148 {
 149         if (!exists $ENV{PKG_CONFIG_PATH})
 150         {
 151                 $ENV{PKG_CONFIG_PATH} = "/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 152         }
 153         else
 154         {
 155                 $ENV{PKG_CONFIG_PATH} .= ":/usr/local/lib/pkgconfig:/usr/local/libdata/pkgconfig:/usr/X11R6/libdata/pkgconfig";
 156         }
 157 }
 158
 159 sub pkgconfig_get_include_dirs($$$;$)
 160 {
 161         my ($packagename, $headername, $defaults, $module) = @_;
 162
 163         extend_pkg_path();
 164
 165         print "Locating include directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 166
 167         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 168         my $ret = `pkg-config --cflags $packagename 2>/dev/null`;
 169         my $foo = "";
 170         if ((!defined $v) || ($v eq ""))
 171         {
 172                 print "\e[31mCould not find $packagename via pkg-config\e[m (\e[1;32mplease install pkg-config\e[m)\n";
 173                 my $locbin = $^O eq 'solaris' ? 'slocate' : 'locate';
 174                 $foo = `$locbin "$headername" 2>/dev/null | head -n 1`;
 175                 my $find = $foo =~ /(.+)\Q$headername\E/ ? $1 : '';
 176                 chomp($find);
 177                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 178                 {
 179                         print "(\e[1;32mFound via search\e[0m) ";
 180                         $foo = "-I$1";
 181                 }
 182                 else
 183                 {
 184                         $foo = " ";
 185                         undef $v;
 186                 }
 187                 $ret = "$foo";
 188         }
 189         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 190         {
 191                 $ret = "$foo " . $defaults;
 192         }
 193         chomp($ret);
 194         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 195         {
 196                 my $key = "default_includedir_$packagename";
 197                 if (exists $main::config{$key})
 198                 {
 199                         $ret = $main::config{$key};
 200                 }
 201                 else
 202                 {
 203                         $headername =~ s/^\///;
 204                         promptstring("path to the directory containing $headername", $key, "/usr/include",$packagename,"$packagename-includes");
 205                         $packagename =~ tr/a-z/A-Z/;
 206                         if (defined $v)
 207                         {
 208                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"$v\"";
 209                         }
 210                         else
 211                         {
 212                                 $main::config{$key} = "-I$main::config{$key}" . " $defaults -DVERSION_$packagename=\"0.0\"";
 213                         }
 214                         $main::config{$key} =~ s/^\s+//g;
 215                         $ret = $main::config{$key};
 216                         return $ret;
 217                 }
 218         }
 219         else
 220         {
 221                 chomp($v);
 222                 my $key = "default_includedir_$packagename";
 223                 $packagename =~ tr/a-z/A-Z/;
 224                 $main::config{$key} = "$ret -DVERSION_$packagename=\"$v\"";
 225                 $main::config{$key} =~ s/^\s+//g;
 226                 $ret = $main::config{$key};
 227                 print "\e[1;32m$ret\e[0m (version $v)\n";
 228         }
 229         $ret =~ s/^\s+//g;
 230         return $ret;
 231 }
 232
 233 sub pkgconfig_check_version($$;$)
 234 {
 235         my ($packagename, $version, $module) = @_;
 236
 237         extend_pkg_path();
 238
 239         print "Checking version of package \e[1;32m$packagename\e[0m is >= \e[1;32m$version\e[0m... ";
 240
 241         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 242         if (defined $v)
 243         {
 244                 chomp($v);
 245         }
 246         if ((defined $v) && ($v ne ""))
 247         {
 248                 if (!system "pkg-config --atleast-version $version $packagename")
 249                 {
 250                         print "\e[1;32mYes (version $v)\e[0m\n";
 251                         return 1;
 252                 }
 253                 else
 254                 {
 255                         print "\e[1;32mNo (version $v)\e[0m\n";
 256                         return 0;
 257                 }
 258         }
 259         # If we didnt find it, we  cant definitively say its too old.
 260         # Return ok, and let pkgconflibs() or pkgconfincludes() pick up
 261         # the missing library later on.
 262         print "\e[1;32mNo (not found)\e[0m\n";
 263         return 1;
 264 }
 265
 266 sub pkgconfig_get_lib_dirs($$$;$)
 267 {
 268         my ($packagename, $libname, $defaults, $module) = @_;
 269
 270         extend_pkg_path();
 271
 272         print "Locating library directory for package \e[1;32m$packagename\e[0m for module \e[1;32m$module\e[0m... ";
 273
 274         my $v = `pkg-config --modversion $packagename 2>/dev/null`;
 275         my $ret = `pkg-config --libs $packagename 2>/dev/null`;
 276
 277         my $foo = "";
 278         if ((!defined $v) || ($v eq ""))
 279         {
 280                 my $locbin = $^O eq 'solaris' ? 'slocate' : 'locate';
 281                 $foo = `$locbin "$libname" | head -n 1`;
 282                 $foo =~ /(.+)\Q$libname\E/;
 283                 my $find = $1;
 284                 chomp($find);
 285                 if ((defined $find) && ($find ne "") && ($find ne $packagename))
 286                 {
 287                         print "(\e[1;32mFound via search\e[0m) ";
 288                         $foo = "-L$1";
 289                 }
 290                 else
 291                 {
 292                         $foo = " ";
 293                         undef $v;
 294                 }
 295                 $ret = "$foo";
 296         }
 297
 298         if (($defaults ne "") && (($ret eq "") || (!defined $ret)))
 299         {
 300                 $ret = "$foo " . $defaults;
 301         }
 302         chomp($ret);
 303         if ((($ret eq " ") || (!defined $ret)) && ((!defined $v) || ($v eq "")))
 304         {
 305                 my $key = "default_libdir_$packagename";
 306                 if (exists $main::config{$key})
 307                 {
 308                         $ret = $main::config{$key};
 309                 }
 310                 else
 311                 {
 312                         $libname =~ s/^\///;
 313                         promptstring("path to the directory containing $libname", $key, "/usr/lib",$packagename,"$packagename-libs");
 314                         $main::config{$key} = "-L$main::config{$key}" . " $defaults";
 315                         $main::config{$key} =~ s/^\s+//g;
 316                         $ret = $main::config{$key};
 317                         return $ret;
 318                 }
 319         }
 320         else
 321         {
 322                 chomp($v);
 323                 print "\e[1;32m$ret\e[0m (version $v)\n";
 324                 my $key = "default_libdir_$packagename";
 325                 $main::config{$key} = $ret;
 326                 $main::config{$key} =~ s/^\s+//g;
 327                 $ret =~ s/^\s+//g;
 328         }
 329         $ret =~ s/^\s+//g;
 330         return $ret;
 331 }
 332
 333 # Translate a $CompileFlags etc line and parse out function calls
 334 # to functions within these modules at configure time.
 335 sub translate_functions($$)
 336 {
 337         my ($line,$module) = @_;
 338
 339         eval
 340         {
 341                 $module =~ /modules*\/(.+?)$/;
 342                 $module = $1;
 343
 344                 if ($line =~ /ifuname\(\!"(\w+)"\)/)
 345                 {
 346                         my $uname = $1;
 347                         if ($uname eq $^O)
 348                         {
 349                                 $line = "";
 350                                 return "";
 351                         }
 352
 353                         $line =~ s/ifuname\(\!"(.+?)"\)//;
 354                 }
 355
 356                 if ($line =~ /ifuname\("(\w+)"\)/)
 357                 {
 358                         my $uname = $1;
 359                         if ($uname ne $^O)
 360                         {
 361                                 $line = "";
 362                                 return "";
 363                         }
 364
 365                         $line =~ s/ifuname\("(.+?)"\)//;
 366                 }
 367
 368                 if ($line =~ /if\("(\w+)"\)/)
 369                 {
 370                         if (defined $main::config{$1})
 371                         {
 372                                 if (($main::config{$1} !~ /y/i) and ($main::config{$1} ne "1"))
 373                                 {
 374                                         $line = "";
 375                                         return "";
 376                                 }
 377                         }
 378
 379                         $line =~ s/if\("(.+?)"\)//;
 380                 }
 381                 if ($line =~ /if\(\!"(\w+)"\)/)
 382                 {
 383                         if (!exists $main::config{$1})
 384                         {
 385                                 $line = "";
 386                                 return "";
 387                         }
 388                         else
 389                         {
 390                                 if (defined $1)
 391                                 {
 392                                         if (exists ($main::config{$1}) and (($main::config{$1} =~ /y/i) or ($main::config{$1} eq "1")))
 393                                         {
 394                                                 $line = "";
 395                                                 return "";
 396                                         }
 397                                 }
 398                         }
 399
 400                         $line =~ s/if\(\!"(.+?)"\)//;
 401                 }
 402                 while ($line =~ /exec\("(.+?)"\)/)
 403                 {
 404                         print "Executing program for module \e[1;32m$module\e[0m ... \e[1;32m$1\e[0m\n";
 405                         my $replace = `$1`;
 406                         die $replace if ($replace =~ /Configuration failed/);
 407                         chomp($replace);
 408                         $line =~ s/exec\("(.+?)"\)/$replace/;
 409                 }
 410                 while ($line =~ /execruntime\("(.+?)"\)/)
 411                 {
 412                         $line =~ s/execruntime\("(.+?)"\)/`$1`/;
 413                 }
 414                 while ($line =~ /eval\("(.+?)"\)/)
 415                 {
 416                         print "Evaluating perl code for module \e[1;32m$module\e[0m ... ";
 417                         my $tmpfile;
 418                         do
 419                         {
 420                                 $tmpfile = tmpnam();
 421                         } until sysopen(TF, $tmpfile, O_RDWR|O_CREAT|O_EXCL|O_NOFOLLOW, 0700);
 422                         print "(Created and executed \e[1;32m$tmpfile\e[0m)\n";
 423                         print TF $1;
 424                         close TF;
 425                         my $replace = `perl $tmpfile`;
 426                         chomp($replace);
 427                         unlink($tmpfile);
 428                         $line =~ s/eval\("(.+?)"\)/$replace/;
 429                 }
 430                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/)
 431                 {
 432                         my $replace = pkgconfig_get_lib_dirs($1, $2, $3, $module);
 433                         $line =~ s/pkgconflibs\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 434                 }
 435                 while ($line =~ /pkgconfversion\("(.+?)","(.+?)"\)/)
 436                 {
 437                         if (pkgconfig_check_version($1, $2, $module) != 1)
 438                         {
 439                                 die "Version of package $1 is too old. Please upgrade it to version \e[1;32m$2\e[0m or greater and try again.";
 440                         }
 441                         # This doesnt actually get replaced with anything
 442                         $line =~ s/pkgconfversion\("(.+?)","(.+?)"\)//;
 443                 }
 444                 while ($line =~ /pkgconflibs\("(.+?)","(.+?)",""\)/)
 445                 {
 446                         my $replace = pkgconfig_get_lib_dirs($1, $2, "", $module);
 447                         $line =~ s/pkgconflibs\("(.+?)","(.+?)",""\)/$replace/;
 448                 }
 449                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)",""\)/)
 450                 {
 451                         my $replace = pkgconfig_get_include_dirs($1, $2, "", $module);
 452                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)",""\)/$replace/;
 453                 }
 454                 while ($line =~ /pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/)
 455                 {
 456                         my $replace = pkgconfig_get_include_dirs($1, $2, $3, $module);
 457                         $line =~ s/pkgconfincludes\("(.+?)","(.+?)","(.+?)"\)/$replace/;
 458                 }
 459                 while ($line =~ /rpath\("(.+?)"\)/)
 460                 {
 461                         my $replace = make_rpath($1,$module);
 462                         $line =~ s/rpath\("(.+?)"\)/$replace/;
 463                 }
 464         };
 465         if ($@)
 466         {
 467                 my $err = $@;
 468                 #$err =~ s/at .+? line \d+.*//g;
 469                 print "\n\nConfiguration failed. The following error occured:\n\n$err\n";
 470                 print "\nMake sure you have pkg-config installed\n";
 471                 print "\nIn the case of gnutls configuration errors on debian,\n";
 472                 print "Ubuntu, etc, you should ensure that you have installed\n";
 473                 print "gnutls-bin as well as libgnutls-dev and libgnutls.\n";
 474                 exit;
 475         }
 476         else
 477         {
 478                 return $line;
 479         }
 480 }
 481
 482 1;
 483