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