source/builder.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <fstream>
   9 #include <iostream>
  10 #include <set>
  11 #include <msp/core/error.h>
  12 #include <msp/core/getopt.h>
  13 #include <msp/datafile/parser.h>
  14 #include <msp/path/utils.h>
  15 #include <msp/strings/formatter.h>
  16 #include <msp/strings/utils.h>
  17 #include <msp/time/units.h>
  18 #include <msp/time/utils.h>
  19 #include "action.h"
  20 #include "analyzer.h"
  21 #include "binarypackage.h"
  22 #include "builder.h"
  23 #include "header.h"
  24 #include "install.h"
  25 #include "misc.h"
  26 #include "package.h"
  27 #include "pkgconfig.h"
  28 #include "sharedlibrary.h"
  29 #include "sourcepackage.h"
  30 #include "systemlibrary.h"
  31 #include "tarball.h"
  32 #include "unlink.h"
  33 #include "virtualtarget.h"
  34
  35 using namespace std;
  36 using namespace Msp;
  37
  38 Builder::Builder(int argc, char **argv):
  39         main_pkg(0),
  40         analyzer(0),
  41         build(false),
  42         clean(0),
  43         dry_run(false),
  44         help(false),
  45         verbose(1),
  46         chrome(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 {
  54         string   analyze_mode;
  55         string   work_dir;
  56         bool     full_paths=false;
  57         unsigned max_depth=5;
  58
  59         GetOpt getopt;
  60         getopt.add_option('a', "analyze",    analyze_mode, GetOpt::REQUIRED_ARG);
  61         getopt.add_option('b', "build",      build,        GetOpt::NO_ARG);
  62         getopt.add_option('c', "clean",      clean,        GetOpt::NO_ARG);
  63         getopt.add_option('f', "file",       build_file,   GetOpt::REQUIRED_ARG);
  64         getopt.add_option('h', "help",       help,         GetOpt::NO_ARG);
  65         getopt.add_option('j', "jobs",       jobs,         GetOpt::REQUIRED_ARG);
  66         getopt.add_option('n', "dry-run",    dry_run,      GetOpt::NO_ARG);
  67         getopt.add_option('v', "verbose",    verbose,      GetOpt::NO_ARG);
  68         getopt.add_option('A', "conf-all",   conf_all,     GetOpt::NO_ARG);
  69         getopt.add_option('B', "build-all",  build_all,    GetOpt::NO_ARG);
  70         getopt.add_option('C', "chdir",      work_dir,     GetOpt::REQUIRED_ARG);
  71         getopt.add_option('W', "what-if",    what_if,      GetOpt::REQUIRED_ARG);
  72         getopt.add_option(     "chrome",     chrome,       GetOpt::NO_ARG);
  73         getopt.add_option(     "conf-only",  conf_only,    GetOpt::NO_ARG);
  74         getopt.add_option(     "full-paths", full_paths,   GetOpt::NO_ARG);
  75         //getopt.add_option(     "makefile",   create_makefile, GetOpt::NO_ARG);
  76         getopt.add_option(     "max-depth",  max_depth,    GetOpt::REQUIRED_ARG);
  77         getopt(argc, argv);
  78
  79         if(!analyze_mode.empty())
  80         {
  81                 analyzer=new Analyzer(*this);
  82
  83                 if(analyze_mode=="deps")
  84                         analyzer->set_mode(Analyzer::DEPS);
  85                 else if(analyze_mode=="alldeps")
  86                         analyzer->set_mode(Analyzer::ALLDEPS);
  87                 else if(analyze_mode=="rebuild")
  88                         analyzer->set_mode(Analyzer::REBUILD);
  89                 else if(analyze_mode=="rdeps")
  90                         analyzer->set_mode(Analyzer::RDEPS);
  91                 else
  92                         throw UsageError("Invalid analyze mode");
  93
  94                 analyzer->set_max_depth(max_depth);
  95                 analyzer->set_full_paths(full_paths);
  96         }
  97         else if(!clean && !create_makefile)
  98                 build=true;
  99
 100         const list<string> &args=getopt.get_args();
 101         for(list<string>::const_iterator i=args.begin(); i!=args.end(); ++i)
 102         {
 103                 unsigned equal=i->find('=');
 104                 if(equal!=string::npos)
 105                         cmdline_options.insert(StringMap::value_type(i->substr(0, equal), i->substr(equal+1)));
 106                 else
 107                         cmdline_targets.push_back(*i);
 108         }
 109
 110         if(cmdline_targets.empty())
 111                 cmdline_targets.push_back("default");
 112
 113         if(!work_dir.empty())
 114                 chdir(work_dir.c_str());
 115
 116         cwd=Path::getcwd();
 117
 118         archs.insert(StringMap::value_type("native", ""));
 119
 120         StringMap &native_tools=tools.insert(ToolMap::value_type("native", StringMap())).first->second;
 121         native_tools.insert(StringMap::value_type("CC",   "gcc"));
 122         native_tools.insert(StringMap::value_type("CXX",  "g++"));
 123         native_tools.insert(StringMap::value_type("LD",   "gcc"));
 124         native_tools.insert(StringMap::value_type("LDXX", "g++"));
 125         native_tools.insert(StringMap::value_type("AR",   "ar"));
 126
 127         const char *home=getenv("HOME");
 128         if(home)
 129                 load_build_file((Path::Path(home)/".builderrc").str());
 130 }
 131
 132 /**
 133 Gets a package with the specified name, possibly creating it.
 134
 135 @param   n  Package name
 136
 137 @return  Pointer to the package, or 0 if the package could not be located
 138 */
 139 Package *Builder::get_package(const string &n)
 140 {
 141         PackageMap::iterator i=packages.find(n);
 142         if(i!=packages.end())
 143                 return i->second;
 144
 145         // Try to get source directory with pkgconfig
 146         list<string> argv;
 147         argv.push_back("pkg-config");
 148         argv.push_back("--variable=source");
 149         argv.push_back(n);
 150         string srcdir=strip(run_command(argv));
 151
 152         PathList dirs;
 153         if(!srcdir.empty())
 154                 dirs.push_back(srcdir);
 155
 156         // Make some other guesses about the source directory
 157         string dirname=n;
 158         if(!dirname.compare(0, 3, "msp"))
 159                 dirname.erase(0, 3);
 160         dirs.push_back(cwd/dirname);
 161         dirs.push_back(cwd/".."/dirname);
 162
 163         // Go through the candidate directories and look for a Build file
 164         for(PathList::iterator j=dirs.begin(); j!=dirs.end(); ++j)
 165                 if(!load_build_file(*j/"Build"))
 166                 {
 167                         i=packages.find(n);
 168                         if(i!=packages.end())
 169                                 return i->second;
 170                         break;
 171                 }
 172
 173         // Package source not found - create a binary package
 174         Package *pkg=BinaryPackage::from_pkgconfig(*this, n);
 175
 176         packages.insert(PackageMap::value_type(n, pkg));
 177
 178         if(!pkg)
 179                 problem(n, "not found");
 180
 181         return pkg;
 182 }
 183
 184 /**
 185 Returns the target with the given name, or 0 if no such target exists.
 186 */
 187 Target *Builder::get_target(const string &n) const
 188 {
 189         TargetMap::const_iterator i=targets.find(n);
 190         if(i!=targets.end())
 191                 return i->second;
 192         return 0;
 193 }
 194
 195 /**
 196 Tries to locate a header included from a given location and with a given include
 197 path.  Considers known targets as well as existing files.  If a matching target
 198 is not found but a file exists, a new SystemHeader target will be created and
 199 returned.
 200 */
 201 Target *Builder::get_header(const string &include, const string &, const string &from, const list<string> &path)
 202 {
 203         string hash(8, 0);
 204         update_hash(hash, from);
 205         for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
 206                 update_hash(hash, *i);
 207
 208         string id=hash+include;
 209         TargetMap::iterator i=includes.find(id);
 210         if(i!=includes.end())
 211                 return i->second;
 212
 213         string fn=include.substr(1);
 214         Target *tgt=0;
 215         if(include[0]=='"' && (tgt=get_header(Path::Path(from)/fn)))
 216                 ;
 217         else if((tgt=get_header(Path::Path("/usr/include")/fn)))
 218                 ;
 219         //XXX Determine the C++ header location dynamically
 220         else if((tgt=get_header(Path::Path("/usr/include/c++/4.1.2")/fn)))
 221                 ;
 222         else
 223         {
 224                 for(list<string>::const_iterator j=path.begin(); (j!=path.end() && !tgt); ++j)
 225                         tgt=get_header(cwd/ *j/fn);
 226         }
 227
 228         includes.insert(TargetMap::value_type(id, tgt));
 229
 230         return tgt;
 231 }
 232
 233 /**
 234 Tries to locate a library with the given library path.  Considers known targets
 235 as well as existing files.  If a matching target is not found but a file exists,
 236 a new SystemLibrary target will be created and returned.
 237
 238 @param   lib   Name of the library to get (without "lib" prefix or extension)
 239 @param   path  List of paths to search for the library
 240 @param   mode  Shared / static mode
 241
 242 @return  Some kind of library target, if a match was found
 243 */
 244 Target *Builder::get_library(const string &lib, const string &arch, const list<string> &path, LibMode mode)
 245 {
 246         string hash(8, 0);
 247         for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
 248                 update_hash(hash, *i);
 249
 250         //XXX Incorporate mode into id
 251         string id=hash+lib;
 252         TargetMap::iterator i=libraries.find(id);
 253         if(i!=libraries.end())
 254                 return i->second;
 255
 256         StringList syspath;
 257         if(arch=="native")
 258         {
 259                 syspath.push_back("/lib");
 260                 syspath.push_back("/usr/lib");
 261         }
 262         else
 263                 syspath.push_back("/usr/"+get_arch_prefix(arch)+"/lib");
 264
 265         Target *tgt=0;
 266         for(StringList::iterator j=syspath.begin(); (!tgt && j!=syspath.end()); ++j)
 267                 tgt=get_library(lib, arch, *j, mode);
 268         for(StringList::const_iterator j=path.begin(); (!tgt && j!=path.end()); ++j)
 269                 tgt=get_library(lib, arch, cwd/ *j, mode);
 270
 271         libraries.insert(TargetMap::value_type(id, tgt));
 272
 273         return tgt;
 274 }
 275
 276 const string &Builder::get_arch_prefix(const string &arch) const
 277 {
 278         StringMap::const_iterator i=archs.find(arch);
 279         if(i==archs.end())
 280                 throw InvalidParameterValue("Unknown architecture");
 281
 282         return i->second;
 283 }
 284
 285 string Builder::get_tool(const std::string &tool, const std::string &arch)
 286 {
 287         ToolMap::iterator i=tools.find(arch);
 288         if(i!=tools.end())
 289         {
 290                 StringMap::iterator j=i->second.find(tool);
 291                 if(j!=i->second.end())
 292                         return j->second;
 293         }
 294
 295         // Either the arch, or the tool within the arch was not found
 296         i=tools.find("native");
 297         StringMap::iterator j=i->second.find(tool);
 298         if(j==i->second.end())
 299                 throw InvalidParameterValue("Unknown tool");
 300
 301         return get_arch_prefix(arch)+"-"+j->second;
 302 }
 303
 304 void Builder::apply_profile_template(Config &config, const string &pt) const
 305 {
 306         vector<string> parts=split(pt, '-');
 307
 308         for(vector<string>::iterator i=parts.begin(); i!=parts.end(); ++i)
 309         {
 310                 ProfileTemplateMap::const_iterator j=profile_tmpl.find(*i);
 311                 if(j==profile_tmpl.end())
 312                         continue;
 313
 314                 config.update(j->second);
 315         }
 316 }
 317
 318 void Builder::problem(const string &p, const string &d)
 319 {
 320         problems.push_back(Problem(p, d));
 321 }
 322
 323 /**
 324 Adds a target to both the target map and the new target queue.  Called from
 325 Target constructor.
 326 */
 327 void Builder::add_target(Target *t)
 328 {
 329         targets.insert(TargetMap::value_type(t->get_name(), t));
 330         new_tgts.push_back(t);
 331 }
 332
 333 int Builder::main()
 334 {
 335         if(load_build_file(cwd/build_file))
 336         {
 337                 cerr<<"No build info here.\n";
 338                 return 1;
 339         }
 340
 341         main_pkg->configure(cmdline_options, conf_all?2:1);
 342
 343         if(help)
 344         {
 345                 usage(0, "builder", false);
 346                 cout<<'\n';
 347                 package_help();
 348                 return 0;
 349         }
 350
 351         if(!conf_only && create_targets())
 352                 return 1;
 353
 354         PackageList all_reqs=main_pkg->collect_requires();
 355
 356         for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 357         {
 358                 SourcePackage *spkg=dynamic_cast<SourcePackage *>(*i);
 359                 string prob;
 360                 if(spkg && spkg->get_arch()!=main_pkg->get_arch())
 361                         problem(spkg->get_name(), format("wrong architecture (%s)", spkg->get_arch()));
 362         }
 363
 364         if(!problems.empty())
 365         {
 366                 cerr<<"The following problems were detected:\n";
 367                 for(ProblemList::iterator i=problems.begin(); i!=problems.end(); ++i)
 368                         cerr<<"  "<<i->package<<": "<<i->descr<<'\n';
 369                 cerr<<"Please fix them and try again.\n";
 370                 return 1;
 371         }
 372
 373         if(conf_only)
 374                 return 0;
 375
 376         cout<<all_reqs.size()<<" active packages, "<<targets.size()<<" targets\n";
 377         if(verbose>=2)
 378         {
 379                 for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 380                 {
 381                         cout<<' '<<(*i)->get_name();
 382                         if(dynamic_cast<SourcePackage *>(*i))
 383                                 cout<<'*';
 384                         unsigned count=0;
 385                         unsigned ood_count=0;
 386                         for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
 387                                 if(j->second->get_package()==*i)
 388                                 {
 389                                         ++count;
 390                                         if(j->second->get_rebuild())
 391                                                 ++ood_count;
 392                                 }
 393                         if(count)
 394                         {
 395                                 cout<<" ("<<count<<" targets";
 396                                 if(ood_count)
 397                                         cout<<", "<<ood_count<<" out-of-date";
 398                                 cout<<')';
 399                         }
 400                         cout<<'\n';
 401                 }
 402         }
 403
 404         if(analyzer)
 405                 analyzer->analyze();
 406
 407         //if(create_makefile
 408
 409         if(clean)
 410                 exit_code=do_clean();
 411         else if(build)
 412                 exit_code=do_build();
 413
 414         return exit_code;
 415 }
 416
 417 Builder::~Builder()
 418 {
 419         for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
 420                 delete i->second;
 421         for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
 422                 delete i->second;
 423         delete analyzer;
 424 }
 425
 426 void Builder::usage(const char *reason, const char *argv0, bool brief)
 427 {
 428         if(reason)
 429                 cerr<<reason<<'\n';
 430
 431         if(brief)
 432                 cerr<<"Usage: "<<argv0<<" [-a|--analyze MODE] [-b|--build] [-c|--clean] [-f|--file FILE] [-h|--help] [-j|--jobs NUM] [-n||--dry-run] [-v|--verbose] [-A|--conf-all] [-B|--build-all] [-C|--chdir DIRECTORY] [-W|--what-if FILE] [--chrome] [--conf-only] [--full-paths] [--max-depth NUM] [<target> ...]";
 433         else
 434         {
 435                 cerr<<
 436                         "Usage: "<<argv0<<" [options] [<target> ...]\n"
 437                         "\n"
 438                         "Options:\n"
 439                         "  -a, --analyze MODE  Perform analysis.  MODE can be deps, alldeps or rebuild.\n"
 440                         "  -b, --build         Perform build even if doing analysis.\n"
 441                         "  -c, --clean         Clean buildable targets.\n"
 442                         "  -f, --file FILE     Read info from FILE instead of Build.\n"
 443                         "  -h, --help          Print this message.\n"
 444                         "  -j, --jobs NUM      Run NUM commands at once, whenever possible.\n"
 445                         "  -n, --dry-run       Don't actually do anything, only show what would be done.\n"
 446                         "  -v, --verbose       Print more information about what's going on.\n"
 447                         "  -A, --conf-all      Apply configuration to all packages.\n"
 448                         "  -B, --build-all     Build all targets unconditionally.\n"
 449                         "  -C, --chdir DIR     Change to DIR before doing anything else.\n"
 450                         "  -W, --what-if FILE  Pretend that FILE has changed.\n"
 451                         "  --chrome            Use extra chrome to print status.\n"
 452                         "  --conf-only         Stop after configuring packages.\n"
 453                         "  --full-paths        Output full paths in analysis.\n"
 454                         //"  --makefile          Create a makefile for this package.\n"
 455                         "  --max-depth NUM     Maximum depth to show in analysis.\n";
 456         }
 457 }
 458
 459 /**
 460 Loads the given build file.
 461
 462 @param   fn  Path to the file
 463
 464 @return  0 on success, -1 if the file could not be opened
 465 */
 466 int Builder::load_build_file(const Path::Path &fn)
 467 {
 468         ifstream in(fn.str().c_str());
 469         if(!in)
 470                 return -1;
 471
 472         if(verbose>=3)
 473                 cout<<"Reading "<<fn<<'\n';
 474
 475         DataFile::Parser parser(in, fn.str());
 476         Loader loader(*this, fn.subpath(0, fn.size()-1));
 477         loader.load(parser);
 478
 479         return 0;
 480 }
 481
 482 /**
 483 Creates targets for all packages and prepares them for building.
 484
 485 @return  0 if everything went ok, -1 if something bad happened and a build
 486          shouldn't be attempted
 487 */
 488 int Builder::create_targets()
 489 {
 490         Target *world=new VirtualTarget(*this, "world");
 491
 492         Target *def_tgt=new VirtualTarget(*this, "default");
 493         world->add_depend(def_tgt);
 494
 495         Target *install=new VirtualTarget(*this, "install");
 496         world->add_depend(install);
 497
 498         Target *tarballs=new VirtualTarget(*this, "tarballs");
 499         world->add_depend(tarballs);
 500
 501         PackageList all_reqs=main_pkg->collect_requires();
 502         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 503         {
 504                 SourcePackage *spkg=dynamic_cast<SourcePackage *>(*i);
 505                 if(!spkg)
 506                         continue;
 507
 508                 const ComponentList &components=spkg->get_components();
 509                 for(ComponentList::const_iterator j=components.begin(); j!=components.end(); ++j)
 510                         j->create_targets();
 511
 512                 if(spkg->get_install_flags()&(SourcePackage::LIB|SourcePackage::INCLUDE))
 513                 {
 514                         PkgConfig *pc=new PkgConfig(*this, *spkg);
 515                         install->add_depend(new Install(*this, *spkg, *pc));
 516                 }
 517
 518                 tarballs->add_depend(new TarBall(*this, *spkg));
 519         }
 520
 521         // Find dependencies until no new targets are created
 522         while(!new_tgts.empty())
 523         {
 524                 Target *tgt=new_tgts.front();
 525                 new_tgts.erase(new_tgts.begin());
 526                 tgt->find_depends();
 527                 if(!tgt->get_depends_ready())
 528                         new_tgts.push_back(tgt);
 529         }
 530
 531         // Apply what-ifs
 532         for(StringList::iterator i=what_if.begin(); i!=what_if.end(); ++i)
 533         {
 534                 Target *tgt=get_target((cwd/ *i).str());
 535                 if(!tgt)
 536                 {
 537                         cerr<<"Unknown what-if target "<<*i<<'\n';
 538                         return -1;
 539                 }
 540                 tgt->touch();
 541         }
 542
 543         // Make the cmdline target depend on all targets mentioned on the command line
 544         Target *cmdline=new VirtualTarget(*this, "cmdline");
 545         bool build_world=false;
 546         for(list<string>::iterator i=cmdline_targets.begin(); i!=cmdline_targets.end(); ++i)
 547         {
 548                 Target *tgt=get_target(*i);
 549                 if(!tgt)
 550                         tgt=get_target((cwd/ *i).str());
 551                 if(!tgt)
 552                 {
 553                         cerr<<"I don't know anything about "<<*i<<'\n';
 554                         return -1;
 555                 }
 556                 if(tgt==world)
 557                         build_world=true;
 558                 cmdline->add_depend(tgt);
 559         }
 560
 561         /* If world is to be built, prepare cmdline.  If not, add cmdline to world
 562            and prepare world.  I don't really like this, but it keeps the graph
 563            acyclic. */
 564         if(build_world)
 565                 cmdline->prepare();
 566         else
 567         {
 568                 world->add_depend(cmdline);
 569                 world->prepare();
 570         }
 571
 572         for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
 573                 if(SourcePackage *spkg=dynamic_cast<SourcePackage *>(i->second))
 574                         spkg->get_deps_cache().save();
 575
 576         return 0;
 577 }
 578
 579 /**
 580 Check if a header exists, either as a target or a file.  Either an existing
 581 target or a new SystemHeader target will be returned.
 582 */
 583 Target *Builder::get_header(const Msp::Path::Path &fn)
 584 {
 585         Target *tgt=get_target(fn.str());
 586         if(tgt) return tgt;
 587
 588         if(Path::exists(fn))
 589         {
 590                 tgt=new SystemHeader(*this, fn.str());
 591                 return tgt;
 592         }
 593         return 0;
 594 }
 595
 596 Target *Builder::get_library(const string &lib, const string &arch, const Path::Path &path, LibMode mode)
 597 {
 598         // Populate a list of candidate filenames
 599         StringList candidates;
 600
 601         if(mode!=ALL_STATIC)
 602         {
 603                 if(arch=="win32")
 604                         candidates.push_back("lib"+lib+".dll");
 605                 else
 606                         candidates.push_back("lib"+lib+".so");
 607         }
 608
 609         /* Static libraries are always considered, since sometimes shared versions
 610         may not be available */
 611         candidates.push_back("lib"+lib+".a");
 612         if(arch=="win32")
 613                 candidates.push_back("lib"+lib+".dll.a");
 614
 615         for(StringList::iterator i=candidates.begin(); i!=candidates.end(); ++i)
 616         {
 617                 string full=(path/ *i).str();
 618                 Target *tgt=get_target(full);
 619
 620                 if(tgt)
 621                 {
 622                         Target *real_tgt=tgt;
 623                         if(dynamic_cast<Install *>(tgt))
 624                                 real_tgt=real_tgt->get_depends().front();
 625
 626                         /* Ignore dynamic libraries from local packages unless library mode is
 627                         DYNAMIC */
 628                         if(dynamic_cast<SharedLibrary *>(real_tgt) && mode!=DYNAMIC)
 629                                 continue;
 630                         else if(tgt)
 631                                 return tgt;
 632                 }
 633                 else if(Path::exists(full))
 634                 {
 635                         tgt=new SystemLibrary(*this, full);
 636                         return tgt;
 637                 }
 638         }
 639
 640         return 0;
 641 }
 642
 643 /**
 644 Updates a hash with a string.  This is used from get_header and get_library.
 645 */
 646 void Builder::update_hash(string &hash, const string &value)
 647 {
 648         for(unsigned i=0; i<value.size(); ++i)
 649                 hash[i%hash.size()]^=value[i];
 650 }
 651
 652 /**
 653 This function supervises the build process, starting new actions when slots
 654 become available.
 655 */
 656 int Builder::do_build()
 657 {
 658         Target *cmdline=get_target("cmdline");
 659
 660         unsigned total=cmdline->count_rebuild();
 661         if(!total)
 662         {
 663                 cout<<"Already up to date\n";
 664                 return 0;
 665         }
 666         cout<<"Will build "<<total<<" target(s)\n";
 667
 668         vector<Action *> actions;
 669
 670         if(chrome)
 671                 cout<<"0 targets built\n";
 672         unsigned count=0;
 673
 674         bool fail=false;
 675         bool finish=false;
 676
 677         while(!finish)
 678         {
 679                 if(actions.size()<jobs && !fail)
 680                 {
 681                         Target *tgt=cmdline->get_buildable_target();
 682                         if(tgt)
 683                         {
 684                                 Action *action=tgt->build();
 685                                 if(action)
 686                                         actions.push_back(action);
 687                         }
 688                         else if(actions.empty())
 689                                 finish=true;
 690                 }
 691                 else
 692                         Time::sleep(10*Time::msec);
 693
 694                 for(unsigned i=0; i<actions.size();)
 695                 {
 696                         int status=actions[i]->check();
 697                         if(status>=0)
 698                         {
 699                                 ++count;
 700                                 if(chrome)
 701                                 {
 702                                         cout<<"\e["<<actions.size()+1<<'A';
 703                                         cout<<count<<" targets built\n";
 704                                         if(i)
 705                                                 cout<<"\e["<<i<<"B";
 706                                         cout<<"\e[M";
 707                                         if(i<actions.size()-1)
 708                                                 cout<<"\e["<<actions.size()-i-1<<"B";
 709                                         cout.flush();
 710                                 }
 711                                 delete actions[i];
 712                                 actions.erase(actions.begin()+i);
 713                                 if(status>0)
 714                                         fail=true;
 715                                 if(actions.empty() && fail)
 716                                         finish=true;
 717                         }
 718                         else
 719                                 ++i;
 720                 }
 721         }
 722
 723         if(fail)
 724                 cout<<"Build failed\n";
 725
 726         return fail?1:0;
 727 }
 728
 729 /**
 730 Cleans buildable targets.  If clean is 1, cleans only this package.  If
 731 clean is 2 or greater, cleans all buildable packages.
 732 */
 733 int Builder::do_clean()
 734 {
 735         // Cleaning doesn't care about ordering, so a simpler method can be used
 736
 737         set<Target *> clean_tgts;
 738         TargetList queue;
 739         queue.push_back(get_target("cmdline"));
 740
 741         while(!queue.empty())
 742         {
 743                 Target *tgt=queue.front();
 744                 queue.erase(queue.begin());
 745
 746                 if(tgt->get_buildable() && (tgt->get_package()==main_pkg || clean>=2))
 747                         clean_tgts.insert(tgt);
 748
 749                 const TargetList &deps=tgt->get_depends();
 750                 for(TargetList::const_iterator i=deps.begin(); i!=deps.end(); ++i)
 751                         if(!clean_tgts.count(*i))
 752                                 queue.push_back(*i);
 753         }
 754
 755         for(set<Target *>::iterator i=clean_tgts.begin(); i!=clean_tgts.end(); ++i)
 756         {
 757                 Action *action=new Unlink(*this, **i);
 758                 while(action->check()<0);
 759                 delete action;
 760         }
 761
 762         return 0;
 763 }
 764
 765 /**
 766 Prints out information about the default package.
 767 */
 768 void Builder::package_help()
 769 {
 770         const Config &config=main_pkg->get_config();
 771         const Config::OptionMap &options=config.get_options();
 772
 773         cout<<"Required packages:\n  ";
 774         const PackageList &requires=main_pkg->get_requires();
 775         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
 776         {
 777                 if(i!=requires.begin())
 778                         cout<<", ";
 779                 cout<<(*i)->get_name();
 780         }
 781         cout<<"\n\n";
 782         cout<<"Package configuration:\n";
 783         for(Config::OptionMap::const_iterator i=options.begin(); i!=options.end(); ++i)
 784         {
 785                 const Config::Option &opt=i->second;
 786                 cout<<"  "<<opt.name<<": "<<opt.descr<<" ("<<opt.value<<") ["<<opt.defv<<"]\n";
 787         }
 788 }
 789
 790 Application::RegApp<Builder> Builder::reg;
 791
 792
 793 Builder::Loader::Loader(Builder &b, const Path::Path &s):
 794         bld(b),
 795         src(s)
 796 {
 797         add("architecture", &Loader::architecture);
 798         add("binary_package", &Loader::binpkg);
 799         add("profile", &Loader::profile);
 800         add("package", &Loader::package);
 801 }
 802
 803 void Builder::Loader::architecture(const string &a, const string &p)
 804 {
 805         bld.archs.insert(StringMap::value_type(a, p));
 806 }
 807
 808 void Builder::Loader::binpkg(const string &n)
 809 {
 810         BinaryPackage *pkg=new BinaryPackage(bld, n);
 811         load_sub(*pkg);
 812         bld.packages.insert(PackageMap::value_type(n, pkg));
 813 }
 814
 815 void Builder::Loader::profile(const string &n)
 816 {
 817         StringMap prf;
 818         load_sub<ProfileLoader>(prf);
 819         bld.profile_tmpl.insert(ProfileTemplateMap::value_type(n, prf));
 820 }
 821
 822 void Builder::Loader::package(const string &n)
 823 {
 824         SourcePackage *pkg=new SourcePackage(bld, n, src);
 825         if(!bld.main_pkg)
 826                 bld.main_pkg=pkg;
 827
 828         load_sub(*pkg);
 829         bld.packages.insert(PackageMap::value_type(n, pkg));
 830 }
 831
 832
 833 Builder::ProfileLoader::ProfileLoader(StringMap &p):
 834         profile(p)
 835 {
 836         add("option", &ProfileLoader::option);
 837 }
 838
 839 void Builder::ProfileLoader::option(const string &o, const string &v)
 840 {
 841         profile.insert(StringMap::value_type(o, v));
 842 }