source/builder.cpp

   1 #include <set>
   2 #include <msp/core/getopt.h>
   3 #include <msp/datafile/parser.h>
   4 #include <msp/fs/dir.h>
   5 #include <msp/fs/stat.h>
   6 #include <msp/fs/utils.h>
   7 #include <msp/io/buffered.h>
   8 #include <msp/io/file.h>
   9 #include <msp/io/print.h>
  10 #include <msp/strings/format.h>
  11 #include <msp/strings/regex.h>
  12 #include <msp/strings/utils.h>
  13 #include <msp/time/units.h>
  14 #include <msp/time/utils.h>
  15 #include "analyzer.h"
  16 #include "binarypackage.h"
  17 #include "builder.h"
  18 #include "copy.h"
  19 #include "gnuarchiver.h"
  20 #include "gnuccompiler.h"
  21 #include "gnucxxcompiler.h"
  22 #include "gnulinker.h"
  23 #include "installedfile.h"
  24 #include "mingwdlltool.h"
  25 #include "package.h"
  26 #include "pkgconfiggenerator.h"
  27 #include "sharedlibrary.h"
  28 #include "sourcepackage.h"
  29 #include "tar.h"
  30 #include "task.h"
  31 #include "virtualtarget.h"
  32
  33 using namespace std;
  34 using namespace Msp;
  35
  36 Builder::Builder(int argc, char **argv):
  37         package_manager(*this),
  38         native_arch(*this, string()),
  39         build_type(0),
  40         vfs(*this),
  41         analyzer(0),
  42         build(false),
  43         clean(0),
  44         dry_run(false),
  45         help(false),
  46         show_progress(false),
  47         build_file("Build"),
  48         jobs(1),
  49         conf_all(false),
  50         conf_only(false),
  51         build_all(false),
  52         create_makefile(false),
  53         tempdir("temp")
  54 {
  55         string analyze_mode;
  56         string work_dir;
  57         bool full_paths = false;
  58         unsigned max_depth = 4;
  59         string prfx;
  60         string temp_str;
  61         string arch;
  62         bool no_externals = false;
  63         unsigned verbose = 1;
  64         bool silent = false;
  65         list<string> log_channels;
  66         string build_type_name;
  67
  68         GetOpt getopt;
  69         getopt.add_option('a', "analyze",    analyze_mode,  GetOpt::REQUIRED_ARG).set_help("Perform dependency analysis.", "MODE");
  70         getopt.add_option('b', "build",      build,         GetOpt::NO_ARG).set_help("Perform build even if also doing something else.");
  71         getopt.add_option('c', "clean",      clean,         GetOpt::NO_ARG).set_help("Clean buildable targets.");
  72         getopt.add_option('f', "file",       build_file,    GetOpt::REQUIRED_ARG).set_help("Read build instructions from FILE.", "FILE");
  73         getopt.add_option('h', "help",       help,          GetOpt::NO_ARG).set_help("Print this message.");
  74         getopt.add_option('j', "jobs",       jobs,          GetOpt::REQUIRED_ARG).set_help("Run up to NUM tasks in parallel.", "NUM");
  75         getopt.add_option('l', "log",        log_channels,  GetOpt::REQUIRED_ARG).set_help("Enable listed log channels.", "LIST");
  76         getopt.add_option('n', "dry-run",    dry_run,       GetOpt::NO_ARG).set_help("Show what would be done without actually doing it.");
  77         getopt.add_option('s', "silent",     silent,        GetOpt::NO_ARG).set_help("Don't print any messages other than errors.");
  78         getopt.add_option('t', "build-type", build_type_name, GetOpt::REQUIRED_ARG).set_help("Set build type.", "TYPE");
  79         getopt.add_option('v', "verbose",    verbose,       GetOpt::NO_ARG).set_help("Print more information about what's going on.");
  80         getopt.add_option('x', "no-externals",  no_externals, GetOpt::NO_ARG).set_help("Do not load external source packages.");
  81         getopt.add_option('A', "conf-all",   conf_all,      GetOpt::NO_ARG).set_help("Apply configuration to all packages.");
  82         getopt.add_option('B', "build-all",  build_all,     GetOpt::NO_ARG).set_help("Build all targets unconditionally.");
  83         getopt.add_option('C', "chdir",      work_dir,      GetOpt::REQUIRED_ARG).set_help("Change to DIR before doing anything else.", "DIR");
  84         getopt.add_option('P', "progress",   show_progress, GetOpt::NO_ARG).set_help("Display progress while building.");
  85         getopt.add_option('W', "what-if",    what_if,       GetOpt::REQUIRED_ARG).set_help("Pretend that FILE has changed.", "FILE");
  86         getopt.add_option(     "arch",       arch,          GetOpt::REQUIRED_ARG).set_help("Build for architecture ARCH.", "ARCH");
  87         getopt.add_option(     "conf-only",  conf_only,     GetOpt::NO_ARG).set_help("Stop after configuring packages.");
  88         getopt.add_option(     "full-paths", full_paths,    GetOpt::NO_ARG).set_help("Output full paths in analysis.");
  89         getopt.add_option(     "max-depth",  max_depth,     GetOpt::REQUIRED_ARG).set_help("Show up to NUM levels in analysis.", "NUM");
  90         getopt.add_option(     "prefix",     prfx,          GetOpt::REQUIRED_ARG).set_help("Install things to DIR.", "DIR");
  91         getopt.add_option(     "tempdir",    temp_str,      GetOpt::REQUIRED_ARG).set_help("Store temporary files in DIR.", "DIR");
  92         usagemsg = getopt.generate_usage(argv[0])+" [<target> ...]";
  93         helpmsg = getopt.generate_help();
  94         getopt(argc, argv);
  95
  96         if(silent)
  97                 --verbose;
  98         if(verbose>=1)
  99         {
 100                 logger.enable_channel("summary");
 101                 logger.enable_channel("tasks");
 102         }
 103         if(verbose>=2)
 104         {
 105                 logger.enable_channel("environment");
 106                 logger.enable_channel("packages");
 107                 logger.enable_channel("commands");
 108         }
 109         if(verbose>=3)
 110         {
 111                 logger.enable_channel("files");
 112                 logger.enable_channel("auxcommands");
 113         }
 114         for(list<string>::const_iterator i=log_channels.begin(); i!=log_channels.end(); ++i)
 115         {
 116                 vector<string> parts = split(*i, ',');
 117                 for(vector<string>::const_iterator j=parts.begin(); j!=parts.end(); ++j)
 118                         logger.enable_channel(*j);
 119         }
 120
 121         if(!analyze_mode.empty())
 122         {
 123                 analyzer = new Analyzer(*this);
 124
 125                 if(analyze_mode=="deps")
 126                         analyzer->set_mode(Analyzer::DEPS);
 127                 else if(analyze_mode=="alldeps")
 128                         analyzer->set_mode(Analyzer::ALLDEPS);
 129                 else if(analyze_mode=="rebuild")
 130                         analyzer->set_mode(Analyzer::REBUILD);
 131                 else if(analyze_mode=="rdeps")
 132                         analyzer->set_mode(Analyzer::RDEPS);
 133                 else
 134                         throw usage_error("Invalid analyze mode");
 135
 136                 analyzer->set_max_depth(max_depth);
 137                 analyzer->set_full_paths(full_paths);
 138         }
 139         else if(!clean && !create_makefile)
 140                 build = true;
 141
 142         const vector<string> &args = getopt.get_args();
 143         for(vector<string>::const_iterator i=args.begin(); i!=args.end(); ++i)
 144         {
 145                 string::size_type equal = i->find('=');
 146                 if(equal!=string::npos)
 147                         cmdline_options.insert(Config::InputOptions::value_type(i->substr(0, equal), i->substr(equal+1)));
 148                 else
 149                         cmdline_targets.push_back(*i);
 150         }
 151
 152         if(cmdline_targets.empty())
 153                 cmdline_targets.push_back("default");
 154
 155         if(!work_dir.empty())
 156                 FS::chdir(work_dir);
 157
 158         cwd = FS::getcwd();
 159
 160         package_manager.append_package_path(cwd);
 161         package_manager.append_package_path(cwd/"..");
 162         package_manager.append_binary_package_path(FS::get_sys_data_dir(argv[0], "builder"));
 163
 164         package_manager.set_no_externals(no_externals);
 165
 166         if(arch.empty())
 167                 current_arch = &native_arch;
 168         else
 169                 current_arch = new Architecture(*this, arch);
 170
 171         list<FS::Path> start_files;
 172         start_files.push_back(FS::get_sys_data_dir(argv[0], "builder")/"builderrc");
 173         start_files.push_back(FS::get_user_data_dir("builder")/"rc");
 174         for(list<FS::Path>::const_iterator i=start_files.begin(); i!=start_files.end(); ++i)
 175                 if(FS::exists(*i))
 176                         load_build_file(*i);
 177
 178         if(prfx.empty())
 179         {
 180                 if(current_arch->is_native())
 181                         prefix = (FS::get_home_dir()/"local").str();
 182                 else
 183                         prefix = (FS::get_home_dir()/"local"/current_arch->get_name()).str();
 184         }
 185         else
 186                 prefix = cwd/prfx;
 187
 188         if(!temp_str.empty())
 189                 tempdir = temp_str;
 190
 191         if(!build_type_name.empty())
 192         {
 193                 BuildTypeMap::iterator i = build_types.find(build_type_name);
 194                 if(i==build_types.end())
 195                         throw usage_error("Unknown build type");
 196                 build_type = &i->second;
 197         }
 198
 199         toolchain.add_tool(new GnuCCompiler(*this, *current_arch));
 200         toolchain.add_tool(new GnuCxxCompiler(*this, *current_arch));
 201         toolchain.add_tool(new GnuLinker(*this, *current_arch));
 202         toolchain.add_tool(new GnuArchiver(*this, *current_arch));
 203         toolchain.add_tool(new Copy(*this));
 204         toolchain.add_tool(new Tar(*this));
 205         toolchain.add_tool(new PkgConfigGenerator(*this));
 206         if(current_arch->get_system()=="windows")
 207                 toolchain.add_tool(new MingwDllTool(*this, *current_arch));
 208 }
 209
 210 Builder::~Builder()
 211 {
 212         for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
 213                 delete i->second;
 214         delete analyzer;
 215 }
 216
 217 int Builder::main()
 218 {
 219         FS::Path main_file = cwd/build_file;
 220         if(!FS::exists(main_file))
 221         {
 222                 if(help)
 223                 {
 224                         usage(0, "builder", false);
 225                         return 0;
 226                 }
 227                 else
 228                 {
 229                         IO::print(IO::cerr, "The file %s does not exist.\n", main_file);
 230                         return 1;
 231                 }
 232         }
 233
 234         load_build_file(main_file);
 235
 236         if(help)
 237         {
 238                 usage(0, "builder", false);
 239                 IO::print("\n");
 240                 package_help();
 241                 return 0;
 242         }
 243
 244         if(!prepare_build())
 245                 return 1;
 246
 247         if(conf_only)
 248                 return 0;
 249
 250         logger.log("environment", format("Building on %s, for %s%s", native_arch.get_name(),
 251                 current_arch->get_name(), (current_arch->is_native() ? " (native)" : "")));
 252         logger.log("environment", format("Prefix is %s", prefix));
 253         if(tempdir.is_absolute())
 254                 logger.log("environment", format("Temporary directory is %s", tempdir));
 255         else
 256                 logger.log("environment", format("Using per-package temporary directory %s", tempdir));
 257         if(build_type)
 258                 logger.log("environment", format("Build type is %s", build_type->get_name()));
 259
 260         const PackageManager::PackageMap &packages = package_manager.get_packages();
 261         list<string> package_details;
 262         for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 263         {
 264                 if(!i->second->is_prepared())
 265                         continue;
 266
 267                 string line = i->second->get_name();
 268                 if(dynamic_cast<SourcePackage *>(i->second))
 269                 {
 270                         line += '*';
 271
 272                         unsigned count = 0;
 273                         unsigned to_be_built = 0;
 274                         for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
 275                                 if(j->second->get_package()==i->second)
 276                                 {
 277                                         ++count;
 278                                         if(j->second->needs_rebuild())
 279                                                 ++to_be_built;
 280                                 }
 281                         if(count)
 282                         {
 283                                 line += format(" (%d targets", count);
 284                                 if(to_be_built)
 285                                         line += format(", %d to be built", to_be_built);
 286                                 line += ')';
 287                         }
 288                 }
 289
 290                 package_details.push_back(line);
 291         }
 292
 293         logger.log("summary", format("%d active packages, %d targets", package_details.size(), targets.size()));
 294         for(list<string>::const_iterator i=package_details.begin(); i!=package_details.end(); ++i)
 295                 logger.log("packages", *i);
 296
 297         if(analyzer)
 298                 analyzer->analyze();
 299
 300         if(!problems.empty())
 301         {
 302                 IO::print(IO::cerr, "The following problems were detected:\n");
 303                 for(ProblemList::iterator i=problems.begin(); i!=problems.end(); ++i)
 304                         IO::print(IO::cerr, "  %s: %s\n", i->package, i->descr);
 305                 if(!analyzer)
 306                         IO::print(IO::cerr, "Please fix them and try again.\n");
 307                 return 1;
 308         }
 309
 310         if(clean)
 311                 exit_code = do_clean();
 312         if(build)
 313                 exit_code = do_build();
 314
 315         return exit_code;
 316 }
 317
 318 Target *Builder::get_target(const string &n) const
 319 {
 320         TargetMap::const_iterator i = targets.find(n);
 321         if(i!=targets.end())
 322                 return i->second;
 323         return 0;
 324 }
 325
 326 void Builder::problem(const string &p, const string &d)
 327 {
 328         problems.push_back(Problem(p, d));
 329 }
 330
 331 void Builder::add_target(Target *t)
 332 {
 333         targets.insert(TargetMap::value_type(t->get_name(), t));
 334 }
 335
 336 void Builder::add_primary_target(Target &t)
 337 {
 338         get_target("world")->add_dependency(t);
 339
 340         if(t.get_package()==main_pkg && t.get_component() && t.get_component()->is_default())
 341                 get_target("default")->add_dependency(t);
 342 }
 343
 344 void Builder::add_installed_target(Target &t)
 345 {
 346         Target *inst_tgt = 0;
 347         if(const Tool *tool = t.get_tool())
 348                 inst_tgt = tool->create_install(t);
 349         if(!inst_tgt)
 350                 inst_tgt = toolchain.get_tool("CP").create_target(t);
 351         get_target("install")->add_dependency(*inst_tgt);
 352 }
 353
 354 void Builder::usage(const char *reason, const char *argv0, bool brief)
 355 {
 356         if(reason)
 357                 IO::print(IO::cerr, "%s\n", reason);
 358
 359         if(brief)
 360                 IO::print(IO::cerr, "Usage: %s\n", usagemsg);
 361         else
 362         {
 363                 IO::print(IO::cerr, "Builder 1.0\n\n");
 364                 IO::print(IO::cerr, "Usage: %s [options] [<target> ...]\n\n", argv0);
 365                 IO::print(IO::cerr, "Options:\n");
 366                 IO::print(IO::cerr, helpmsg);
 367         }
 368 }
 369
 370 void Builder::load_build_file(const FS::Path &fn)
 371 {
 372         IO::BufferedFile in(fn.str());
 373
 374         logger.log("files", format("Reading %s", fn));
 375
 376         DataFile::Parser parser(in, fn.str());
 377         Loader loader(*this);
 378         loader.load(parser);
 379 }
 380
 381 bool Builder::prepare_build()
 382 {
 383         Target *world = new VirtualTarget(*this, "world");
 384
 385         Target *def_tgt = new VirtualTarget(*this, "default");
 386         world->add_dependency(*def_tgt);
 387
 388         Target *install = new VirtualTarget(*this, "install");
 389         world->add_dependency(*install);
 390
 391         Target *tarballs = new VirtualTarget(*this, "tarballs");
 392         world->add_dependency(*tarballs);
 393
 394         package_manager.get_main_package().prepare();
 395
 396         // Make the cmdline target depend on all targets mentioned on the command line
 397         Target *cmdline = new VirtualTarget(*this, "cmdline");
 398         for(NameList::iterator i=cmdline_targets.begin(); i!=cmdline_targets.end(); ++i)
 399         {
 400                 Target *tgt = get_target(*i);
 401                 if(!tgt)
 402                         tgt = vfs.get_target(*i);
 403                 if(!tgt)
 404                         tgt = vfs.get_target(cwd/ *i);
 405                 if(!tgt)
 406                 {
 407                         IO::print("I don't know anything about %s\n", *i);
 408                         return false;
 409                 }
 410
 411                 cmdline->add_dependency(*tgt);
 412         }
 413
 414         cmdline->prepare();
 415
 416         // Apply what-ifs
 417         for(NameList::iterator i=what_if.begin(); i!=what_if.end(); ++i)
 418         {
 419                 FileTarget *tgt = vfs.get_target(cwd/ *i);
 420                 if(!tgt)
 421                 {
 422                         IO::print(IO::cerr, "Unknown what-if target %s\n", *i);
 423                         return false;
 424                 }
 425                 tgt->touch();
 426         }
 427
 428         if(build_all)
 429         {
 430                 for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
 431                         if(i->second->is_buildable() && !i->second->needs_rebuild())
 432                                 i->second->force_rebuild();
 433         }
 434
 435         if(!dry_run)
 436         {
 437                 const PackageManager::PackageMap &packages = package_manager.get_packages();
 438                 for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 439                         i->second->save_caches();
 440         }
 441
 442         return true;
 443 }
 444
 445 int Builder::do_build()
 446 {
 447         Target *cmdline = get_target("cmdline");
 448
 449         unsigned total = 0;
 450         for(map<string, Target *>::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 451                 if(i->second->is_buildable() && i->second->needs_rebuild())
 452                         ++total;
 453
 454         if(!total)
 455         {
 456                 logger.log("summary", "Already up to date");
 457                 return 0;
 458         }
 459         logger.log("summary", format("Will build %d target%s", total, (total!=1 ? "s" : "")));
 460
 461         vector<Task *> tasks;
 462
 463         unsigned count = 0;
 464
 465         bool fail = false;
 466         bool finish = false;
 467         bool starved = false;
 468
 469         while(!finish)
 470         {
 471                 if(tasks.size()<jobs && !fail && !starved)
 472                 {
 473                         Target *tgt = cmdline->get_buildable_target();
 474                         if(tgt)
 475                         {
 476                                 if(tgt->get_tool())
 477                                         logger.log("tasks", format("%-4s  %s", tgt->get_tool()->get_tag(), tgt->get_name()));
 478                                 Task *task = tgt->build();
 479                                 if(task)
 480                                 {
 481                                         logger.log("commands", format("%s", task->get_command()));
 482                                         if(dry_run)
 483                                         {
 484                                                 task->signal_finished.emit(true);
 485                                                 delete task;
 486                                         }
 487                                         else
 488                                         {
 489                                                 task->start();
 490                                                 tasks.push_back(task);
 491                                         }
 492                                 }
 493
 494                                 if(show_progress)
 495                                         IO::print("%d of %d target%s built\033[1G", count, total, (total!=1 ? "s" : ""));
 496                         }
 497                         else if(tasks.empty())
 498                                 finish = true;
 499                         else
 500                                 starved = true;
 501                 }
 502                 else
 503                         Time::sleep(10*Time::msec);
 504
 505                 for(unsigned i=0; i<tasks.size();)
 506                 {
 507                         Task::Status status;
 508                         if(jobs==1 || (tasks.size()==1 && starved))
 509                                 status = tasks[i]->wait();
 510                         else
 511                                 status = tasks[i]->check();
 512
 513                         if(status!=Task::RUNNING)
 514                         {
 515                                 ++count;
 516
 517                                 delete tasks[i];
 518                                 tasks.erase(tasks.begin()+i);
 519                                 if(status==Task::ERROR)
 520                                         fail = true;
 521                                 if(tasks.empty() && fail)
 522                                         finish = true;
 523                                 starved = false;
 524                         }
 525                         else
 526                                 ++i;
 527                 }
 528         }
 529
 530         if(show_progress)
 531                 IO::print("\033[K");
 532         if(fail)
 533                 logger.log("summary", "Build failed");
 534         else if(show_progress)
 535                 logger.log("summary", "Build complete");
 536
 537         if(!dry_run)
 538         {
 539                 const PackageManager::PackageMap &packages = package_manager.get_packages();
 540                 for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 541                         i->second->save_caches();
 542         }
 543
 544         return fail;
 545 }
 546
 547 int Builder::do_clean()
 548 {
 549         // Cleaning doesn't care about ordering, so a simpler method can be used
 550
 551         set<Target *> clean_tgts;
 552         list<Target *> queue;
 553         queue.push_back(get_target("cmdline"));
 554
 555         while(!queue.empty())
 556         {
 557                 Target *tgt = queue.front();
 558                 queue.erase(queue.begin());
 559
 560                 if(tgt->is_buildable() && (tgt->get_package()==&package_manager.get_main_package() || clean>=2))
 561                         clean_tgts.insert(tgt);
 562
 563                 const Target::Dependencies &deps = tgt->get_dependencies();
 564                 for(list<Target *>::const_iterator i=deps.begin(); i!=deps.end(); ++i)
 565                         if(!clean_tgts.count(*i))
 566                                 queue.push_back(*i);
 567         }
 568
 569         for(set<Target *>::iterator i=clean_tgts.begin(); i!=clean_tgts.end(); ++i)
 570         {
 571                 logger.log("tasks", format("RM    %s", (*i)->get_name()));
 572                 if(!dry_run)
 573                         (*i)->clean();
 574         }
 575
 576         return 0;
 577 }
 578
 579 void Builder::package_help()
 580 {
 581         SourcePackage &main_pkg = dynamic_cast<SourcePackage &>(package_manager.get_main_package());
 582         const Config &config = main_pkg.get_config();
 583         const Config::OptionMap &options = config.get_options();
 584
 585         IO::print("Required packages:\n  ");
 586         const Package::Requirements &requires = main_pkg.get_required_packages();
 587         for(Package::Requirements::const_iterator i=requires.begin(); i!=requires.end(); ++i)
 588         {
 589                 if(i!=requires.begin())
 590                         IO::print(", ");
 591                 IO::print((*i)->get_name());
 592         }
 593         IO::print("\n\nPackage configuration:\n");
 594         for(Config::OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i)
 595         {
 596                 const Config::Option &opt = i->second;
 597                 IO::print("  %s: %s (%s)", opt.name, opt.description, opt.value);
 598                 if(opt.value!=opt.default_value)
 599                         IO::print(" [%s]", opt.default_value);
 600                 IO::print("\n");
 601         }
 602 }
 603
 604 string Builder::usagemsg;
 605 string Builder::helpmsg;
 606
 607
 608 Builder::Loader::Loader(Builder &b):
 609         DataFile::ObjectLoader<Builder>(b)
 610 {
 611         add("architecture", &Loader::architecture);
 612         add("binary_package", &Loader::binpkg);
 613         add("build_type", &Loader::build_type);
 614         add("profile", &Loader::profile);
 615         add("package", &Loader::package);
 616 }
 617
 618 void Builder::Loader::architecture(const string &n)
 619 {
 620         if(obj.current_arch->match_name(n))
 621                 load_sub(*obj.current_arch);
 622 }
 623
 624 void Builder::Loader::binpkg(const string &n)
 625 {
 626         BinaryPackage *pkg = new BinaryPackage(obj, n);
 627         load_sub(*pkg);
 628 }
 629
 630 void Builder::Loader::build_type(const string &n)
 631 {
 632         BuildType btype(n);
 633         load_sub(btype);
 634         BuildTypeMap::iterator i = obj.build_types.insert(BuildTypeMap::value_type(n, btype)).first;
 635         if(!obj.build_type)
 636                 obj.build_type = &i->second;
 637 }
 638
 639 void Builder::Loader::profile(const string &)
 640 {
 641         IO::print("Profiles are deprecated\n");
 642 }
 643
 644 void Builder::Loader::package(const string &n)
 645 {
 646         SourcePackage *pkg = new SourcePackage(obj, n, get_source());
 647
 648         if(obj.conf_all || pkg==&obj.package_manager.get_main_package())
 649                 load_sub(*pkg, obj.cmdline_options);
 650         else
 651                 load_sub(*pkg);
 652
 653         if(obj.build_type)
 654                 pkg->set_build_type(*obj.build_type);
 655 }