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