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         main_pkg(0),
  39         native_arch(*this, string()),
  40         build_type(0),
  41         vfs(*this),
  42         analyzer(0),
  43         build(false),
  44         clean(0),
  45         dry_run(false),
  46         help(false),
  47         show_progress(false),
  48         build_file("Build"),
  49         jobs(1),
  50         conf_all(false),
  51         conf_only(false),
  52         build_all(false),
  53         create_makefile(false),
  54         tempdir("temp")
  55 {
  56         string analyze_mode;
  57         string work_dir;
  58         bool full_paths = false;
  59         unsigned max_depth = 4;
  60         string prfx;
  61         string temp_str;
  62         string arch;
  63         bool no_externals = false;
  64         unsigned verbose = 1;
  65         bool silent = false;
  66         list<string> log_channels;
  67         string build_type_name;
  68
  69         GetOpt getopt;
  70         getopt.add_option('a', "analyze",    analyze_mode,  GetOpt::REQUIRED_ARG).set_help("Perform dependency analysis.", "MODE");
  71         getopt.add_option('b', "build",      build,         GetOpt::NO_ARG).set_help("Perform build even if also doing something else.");
  72         getopt.add_option('c', "clean",      clean,         GetOpt::NO_ARG).set_help("Clean buildable targets.");
  73         getopt.add_option('f', "file",       build_file,    GetOpt::REQUIRED_ARG).set_help("Read build instructions from FILE.", "FILE");
  74         getopt.add_option('h', "help",       help,          GetOpt::NO_ARG).set_help("Print this message.");
  75         getopt.add_option('j', "jobs",       jobs,          GetOpt::REQUIRED_ARG).set_help("Run up to NUM tasks in parallel.", "NUM");
  76         getopt.add_option('l', "log",        log_channels,  GetOpt::REQUIRED_ARG).set_help("Enable listed log channels.", "LIST");
  77         getopt.add_option('n', "dry-run",    dry_run,       GetOpt::NO_ARG).set_help("Show what would be done without actually doing it.");
  78         getopt.add_option('s', "silent",     silent,        GetOpt::NO_ARG).set_help("Don't print any messages other than errors.");
  79         getopt.add_option('t', "build-type", build_type_name, GetOpt::REQUIRED_ARG).set_help("Set build type.", "TYPE");
  80         getopt.add_option('v', "verbose",    verbose,       GetOpt::NO_ARG).set_help("Print more information about what's going on.");
  81         getopt.add_option('x', "no-externals",  no_externals, GetOpt::NO_ARG).set_help("Do not load external source packages.");
  82         getopt.add_option('A', "conf-all",   conf_all,      GetOpt::NO_ARG).set_help("Apply configuration to all packages.");
  83         getopt.add_option('B', "build-all",  build_all,     GetOpt::NO_ARG).set_help("Build all targets unconditionally.");
  84         getopt.add_option('C', "chdir",      work_dir,      GetOpt::REQUIRED_ARG).set_help("Change to DIR before doing anything else.", "DIR");
  85         getopt.add_option('P', "progress",   show_progress, GetOpt::NO_ARG).set_help("Display progress while building.");
  86         getopt.add_option('W', "what-if",    what_if,       GetOpt::REQUIRED_ARG).set_help("Pretend that FILE has changed.", "FILE");
  87         getopt.add_option(     "arch",       arch,          GetOpt::REQUIRED_ARG).set_help("Build for architecture ARCH.", "ARCH");
  88         getopt.add_option(     "conf-only",  conf_only,     GetOpt::NO_ARG).set_help("Stop after configuring packages.");
  89         getopt.add_option(     "full-paths", full_paths,    GetOpt::NO_ARG).set_help("Output full paths in analysis.");
  90         getopt.add_option(     "max-depth",  max_depth,     GetOpt::REQUIRED_ARG).set_help("Show up to NUM levels in analysis.", "NUM");
  91         getopt.add_option(     "prefix",     prfx,          GetOpt::REQUIRED_ARG).set_help("Install things to DIR.", "DIR");
  92         getopt.add_option(     "tempdir",    temp_str,      GetOpt::REQUIRED_ARG).set_help("Store temporary files in DIR.", "DIR");
  93         usagemsg = getopt.generate_usage(argv[0])+" [<target> ...]";
  94         helpmsg = getopt.generate_help();
  95         getopt(argc, argv);
  96
  97         if(silent)
  98                 --verbose;
  99         if(verbose>=1)
 100         {
 101                 logger.enable_channel("summary");
 102                 logger.enable_channel("tasks");
 103         }
 104         if(verbose>=2)
 105         {
 106                 logger.enable_channel("environment");
 107                 logger.enable_channel("packages");
 108                 logger.enable_channel("commands");
 109         }
 110         if(verbose>=3)
 111         {
 112                 logger.enable_channel("files");
 113                 logger.enable_channel("auxcommands");
 114         }
 115         for(list<string>::const_iterator i=log_channels.begin(); i!=log_channels.end(); ++i)
 116         {
 117                 vector<string> parts = split(*i, ',');
 118                 for(vector<string>::const_iterator j=parts.begin(); j!=parts.end(); ++j)
 119                         logger.enable_channel(*j);
 120         }
 121
 122         if(!analyze_mode.empty())
 123         {
 124                 analyzer = new Analyzer(*this);
 125
 126                 if(analyze_mode=="deps")
 127                         analyzer->set_mode(Analyzer::DEPS);
 128                 else if(analyze_mode=="alldeps")
 129                         analyzer->set_mode(Analyzer::ALLDEPS);
 130                 else if(analyze_mode=="rebuild")
 131                         analyzer->set_mode(Analyzer::REBUILD);
 132                 else if(analyze_mode=="rdeps")
 133                         analyzer->set_mode(Analyzer::RDEPS);
 134                 else
 135                         throw usage_error("Invalid analyze mode");
 136
 137                 analyzer->set_max_depth(max_depth);
 138                 analyzer->set_full_paths(full_paths);
 139         }
 140         else if(!clean && !create_makefile)
 141                 build = true;
 142
 143         const vector<string> &args = getopt.get_args();
 144         for(vector<string>::const_iterator i=args.begin(); i!=args.end(); ++i)
 145         {
 146                 string::size_type equal = i->find('=');
 147                 if(equal!=string::npos)
 148                         cmdline_options.insert(Config::InputOptions::value_type(i->substr(0, equal), i->substr(equal+1)));
 149                 else
 150                         cmdline_targets.push_back(*i);
 151         }
 152
 153         if(cmdline_targets.empty())
 154                 cmdline_targets.push_back("default");
 155
 156         if(!work_dir.empty())
 157                 FS::chdir(work_dir);
 158
 159         cwd = FS::getcwd();
 160
 161         package_manager.append_package_path(cwd);
 162         package_manager.append_package_path(cwd/"..");
 163         package_manager.append_binary_package_path(FS::get_sys_data_dir(argv[0], "builder"));
 164
 165         package_manager.set_no_externals(no_externals);
 166
 167         if(arch.empty())
 168                 current_arch = &native_arch;
 169         else
 170                 current_arch = new Architecture(*this, arch);
 171
 172         list<FS::Path> start_files;
 173         start_files.push_back(FS::get_sys_data_dir(argv[0], "builder")/"builderrc");
 174         start_files.push_back(FS::get_user_data_dir("builder")/"rc");
 175         for(list<FS::Path>::const_iterator i=start_files.begin(); i!=start_files.end(); ++i)
 176                 if(FS::exists(*i))
 177                         load_build_file(*i);
 178
 179         if(prfx.empty())
 180         {
 181                 if(current_arch->is_native())
 182                         prefix = (FS::get_home_dir()/"local").str();
 183                 else
 184                         prefix = (FS::get_home_dir()/"local"/current_arch->get_name()).str();
 185         }
 186         else
 187                 prefix = cwd/prfx;
 188
 189         if(!temp_str.empty())
 190                 tempdir = temp_str;
 191
 192         if(!build_type_name.empty())
 193         {
 194                 BuildTypeMap::iterator i = build_types.find(build_type_name);
 195                 if(i==build_types.end())
 196                         throw usage_error("Unknown build type");
 197                 build_type = &i->second;
 198         }
 199
 200         toolchain.add_tool(new GnuCCompiler(*this, *current_arch));
 201         toolchain.add_tool(new GnuCxxCompiler(*this, *current_arch));
 202         toolchain.add_tool(new GnuLinker(*this, *current_arch));
 203         toolchain.add_tool(new GnuArchiver(*this, *current_arch));
 204         toolchain.add_tool(new Copy(*this));
 205         toolchain.add_tool(new Tar(*this));
 206         toolchain.add_tool(new PkgConfigGenerator(*this));
 207         if(current_arch->get_system()=="windows")
 208                 toolchain.add_tool(new MingwDllTool(*this, *current_arch));
 209 }
 210
 211 Builder::~Builder()
 212 {
 213         for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
 214                 delete i->second;
 215         delete analyzer;
 216 }
 217
 218 int Builder::main()
 219 {
 220         FS::Path main_file = cwd/build_file;
 221         if(!FS::exists(main_file))
 222         {
 223                 if(help)
 224                 {
 225                         usage(0, "builder", false);
 226                         return 0;
 227                 }
 228                 else
 229                 {
 230                         IO::print(IO::cerr, "The file %s does not exist.\n", main_file);
 231                         return 1;
 232                 }
 233         }
 234
 235         load_build_file(main_file);
 236
 237         if(help)
 238         {
 239                 usage(0, "builder", false);
 240                 IO::print("\n");
 241                 package_help();
 242                 return 0;
 243         }
 244
 245         if(!prepare_build())
 246                 return 1;
 247
 248         if(conf_only)
 249                 return 0;
 250
 251         logger.log("environment", format("Building on %s, for %s%s", native_arch.get_name(),
 252                 current_arch->get_name(), (current_arch->is_native() ? " (native)" : "")));
 253         logger.log("environment", format("Prefix is %s", prefix));
 254         if(tempdir.is_absolute())
 255                 logger.log("environment", format("Temporary directory is %s", tempdir));
 256         else
 257                 logger.log("environment", format("Using per-package temporary directory %s", tempdir));
 258         if(build_type)
 259                 logger.log("environment", format("Build type is %s", build_type->get_name()));
 260
 261         const PackageManager::PackageMap &packages = package_manager.get_packages();
 262         list<string> package_details;
 263         for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 264         {
 265                 if(!i->second->is_prepared())
 266                         continue;
 267
 268                 string line = i->second->get_name();
 269                 if(dynamic_cast<SourcePackage *>(i->second))
 270                 {
 271                         line += '*';
 272
 273                         unsigned count = 0;
 274                         unsigned to_be_built = 0;
 275                         for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
 276                                 if(j->second->get_package()==i->second)
 277                                 {
 278                                         ++count;
 279                                         if(j->second->needs_rebuild())
 280                                                 ++to_be_built;
 281                                 }
 282                         if(count)
 283                         {
 284                                 line += format(" (%d targets", count);
 285                                 if(to_be_built)
 286                                         line += format(", %d to be built", to_be_built);
 287                                 line += ')';
 288                         }
 289                 }
 290
 291                 package_details.push_back(line);
 292         }
 293
 294         logger.log("summary", format("%d active packages, %d targets", package_details.size(), targets.size()));
 295         for(list<string>::const_iterator i=package_details.begin(); i!=package_details.end(); ++i)
 296                 logger.log("packages", *i);
 297
 298         if(analyzer)
 299                 analyzer->analyze();
 300
 301         if(!problems.empty())
 302         {
 303                 IO::print(IO::cerr, "The following problems were detected:\n");
 304                 for(ProblemList::iterator i=problems.begin(); i!=problems.end(); ++i)
 305                         IO::print(IO::cerr, "  %s: %s\n", i->package, i->descr);
 306                 if(!analyzer)
 307                         IO::print(IO::cerr, "Please fix them and try again.\n");
 308                 return 1;
 309         }
 310
 311         if(clean)
 312                 exit_code = do_clean();
 313         if(build)
 314                 exit_code = do_build();
 315
 316         return exit_code;
 317 }
 318
 319 Target *Builder::get_target(const string &n) const
 320 {
 321         TargetMap::const_iterator i = targets.find(n);
 322         if(i!=targets.end())
 323                 return i->second;
 324         return 0;
 325 }
 326
 327 void Builder::problem(const string &p, const string &d)
 328 {
 329         problems.push_back(Problem(p, d));
 330 }
 331
 332 void Builder::add_target(Target *t)
 333 {
 334         targets.insert(TargetMap::value_type(t->get_name(), t));
 335 }
 336
 337 void Builder::add_primary_target(Target &t)
 338 {
 339         get_target("world")->add_dependency(t);
 340
 341         if(t.get_package()==main_pkg && t.get_component() && t.get_component()->is_default())
 342                 get_target("default")->add_dependency(t);
 343 }
 344
 345 void Builder::add_installed_target(Target &t)
 346 {
 347         Target *inst_tgt = 0;
 348         if(const Tool *tool = t.get_tool())
 349                 inst_tgt = tool->create_install(t);
 350         if(!inst_tgt)
 351                 inst_tgt = toolchain.get_tool("CP").create_target(t);
 352         get_target("install")->add_dependency(*inst_tgt);
 353 }
 354
 355 void Builder::usage(const char *reason, const char *argv0, bool brief)
 356 {
 357         if(reason)
 358                 IO::print(IO::cerr, "%s\n", reason);
 359
 360         if(brief)
 361                 IO::print(IO::cerr, "Usage: %s\n", usagemsg);
 362         else
 363         {
 364                 IO::print(IO::cerr, "Builder 1.0\n\n");
 365                 IO::print(IO::cerr, "Usage: %s [options] [<target> ...]\n\n", argv0);
 366                 IO::print(IO::cerr, "Options:\n");
 367                 IO::print(IO::cerr, helpmsg);
 368         }
 369 }
 370
 371 void Builder::load_build_file(const FS::Path &fn)
 372 {
 373         IO::BufferedFile in(fn.str());
 374
 375         logger.log("files", format("Reading %s", fn));
 376
 377         DataFile::Parser parser(in, fn.str());
 378         Loader loader(*this);
 379         loader.load(parser);
 380 }
 381
 382 bool Builder::prepare_build()
 383 {
 384         Target *world = new VirtualTarget(*this, "world");
 385
 386         Target *def_tgt = new VirtualTarget(*this, "default");
 387         world->add_dependency(*def_tgt);
 388
 389         Target *install = new VirtualTarget(*this, "install");
 390         world->add_dependency(*install);
 391
 392         Target *tarballs = new VirtualTarget(*this, "tarballs");
 393         world->add_dependency(*tarballs);
 394
 395         main_pkg->prepare();
 396
 397         // Make the cmdline target depend on all targets mentioned on the command line
 398         Target *cmdline = new VirtualTarget(*this, "cmdline");
 399         for(NameList::iterator i=cmdline_targets.begin(); i!=cmdline_targets.end(); ++i)
 400         {
 401                 Target *tgt = get_target(*i);
 402                 if(!tgt)
 403                         tgt = vfs.get_target(*i);
 404                 if(!tgt)
 405                         tgt = vfs.get_target(cwd/ *i);
 406                 if(!tgt)
 407                 {
 408                         IO::print("I don't know anything about %s\n", *i);
 409                         return false;
 410                 }
 411
 412                 cmdline->add_dependency(*tgt);
 413         }
 414
 415         cmdline->prepare();
 416
 417         // Apply what-ifs
 418         for(NameList::iterator i=what_if.begin(); i!=what_if.end(); ++i)
 419         {
 420                 FileTarget *tgt = vfs.get_target(cwd/ *i);
 421                 if(!tgt)
 422                 {
 423                         IO::print(IO::cerr, "Unknown what-if target %s\n", *i);
 424                         return false;
 425                 }
 426                 tgt->touch();
 427         }
 428
 429         if(build_all)
 430         {
 431                 for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
 432                         if(i->second->is_buildable() && !i->second->needs_rebuild())
 433                                 i->second->force_rebuild();
 434         }
 435
 436         if(!dry_run)
 437         {
 438                 const PackageManager::PackageMap &packages = package_manager.get_packages();
 439                 for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 440                         i->second->save_caches();
 441         }
 442
 443         return true;
 444 }
 445
 446 int Builder::do_build()
 447 {
 448         Target *cmdline = get_target("cmdline");
 449
 450         unsigned total = 0;
 451         for(map<string, Target *>::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 452                 if(i->second->is_buildable() && i->second->needs_rebuild())
 453                         ++total;
 454
 455         if(!total)
 456         {
 457                 logger.log("summary", "Already up to date");
 458                 return 0;
 459         }
 460         logger.log("summary", format("Will build %d target%s", total, (total!=1 ? "s" : "")));
 461
 462         vector<Task *> tasks;
 463
 464         unsigned count = 0;
 465
 466         bool fail = false;
 467         bool finish = false;
 468         bool starved = false;
 469
 470         while(!finish)
 471         {
 472                 if(tasks.size()<jobs && !fail && !starved)
 473                 {
 474                         Target *tgt = cmdline->get_buildable_target();
 475                         if(tgt)
 476                         {
 477                                 if(tgt->get_tool())
 478                                         logger.log("tasks", format("%-4s  %s", tgt->get_tool()->get_tag(), tgt->get_name()));
 479                                 Task *task = tgt->build();
 480                                 if(task)
 481                                 {
 482                                         logger.log("commands", format("%s", task->get_command()));
 483                                         if(dry_run)
 484                                         {
 485                                                 task->signal_finished.emit(true);
 486                                                 delete task;
 487                                         }
 488                                         else
 489                                         {
 490                                                 task->start();
 491                                                 tasks.push_back(task);
 492                                         }
 493                                 }
 494
 495                                 if(show_progress)
 496                                         IO::print("%d of %d target%s built\033[1G", count, total, (total!=1 ? "s" : ""));
 497                         }
 498                         else if(tasks.empty())
 499                                 finish = true;
 500                         else
 501                                 starved = true;
 502                 }
 503                 else
 504                         Time::sleep(10*Time::msec);
 505
 506                 for(unsigned i=0; i<tasks.size();)
 507                 {
 508                         Task::Status status;
 509                         if(jobs==1 || (tasks.size()==1 && starved))
 510                                 status = tasks[i]->wait();
 511                         else
 512                                 status = tasks[i]->check();
 513
 514                         if(status!=Task::RUNNING)
 515                         {
 516                                 ++count;
 517
 518                                 delete tasks[i];
 519                                 tasks.erase(tasks.begin()+i);
 520                                 if(status==Task::ERROR)
 521                                         fail = true;
 522                                 if(tasks.empty() && fail)
 523                                         finish = true;
 524                                 starved = false;
 525                         }
 526                         else
 527                                 ++i;
 528                 }
 529         }
 530
 531         if(show_progress)
 532                 IO::print("\033[K");
 533         if(fail)
 534                 logger.log("summary", "Build failed");
 535         else if(show_progress)
 536                 logger.log("summary", "Build complete");
 537
 538         if(!dry_run)
 539         {
 540                 const PackageManager::PackageMap &packages = package_manager.get_packages();
 541                 for(PackageManager::PackageMap::const_iterator i=packages.begin(); i!=packages.end(); ++i)
 542                         i->second->save_caches();
 543         }
 544
 545         return fail;
 546 }
 547
 548 int Builder::do_clean()
 549 {
 550         // Cleaning doesn't care about ordering, so a simpler method can be used
 551
 552         set<Target *> clean_tgts;
 553         list<Target *> queue;
 554         queue.push_back(get_target("cmdline"));
 555
 556         while(!queue.empty())
 557         {
 558                 Target *tgt = queue.front();
 559                 queue.erase(queue.begin());
 560
 561                 if(tgt->is_buildable() && (tgt->get_package()==main_pkg || clean>=2))
 562                         clean_tgts.insert(tgt);
 563
 564                 const Target::Dependencies &deps = tgt->get_dependencies();
 565                 for(list<Target *>::const_iterator i=deps.begin(); i!=deps.end(); ++i)
 566                         if(!clean_tgts.count(*i))
 567                                 queue.push_back(*i);
 568         }
 569
 570         for(set<Target *>::iterator i=clean_tgts.begin(); i!=clean_tgts.end(); ++i)
 571         {
 572                 logger.log("tasks", format("RM    %s", (*i)->get_name()));
 573                 if(!dry_run)
 574                         (*i)->clean();
 575         }
 576
 577         return 0;
 578 }
 579
 580 void Builder::package_help()
 581 {
 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         if(!obj.main_pkg)
 648                 obj.main_pkg = pkg;
 649
 650         if(obj.conf_all || pkg==obj.main_pkg)
 651                 load_sub(*pkg, obj.cmdline_options);
 652         else
 653                 load_sub(*pkg);
 654
 655         if(obj.build_type)
 656                 pkg->set_build_type(*obj.build_type);
 657 }