2 #include <msp/progress.h>
3 #include <msp/strconv.h>
4 #include <msp/strutils.h>
5 #include <msp/core/error.h>
6 #include <msp/getopt++/getopt++.h>
7 #include <msp/parser/parser.h>
8 #include <msp/path/utils.h>
9 #include <msp/time/units.h>
10 #include <msp/time/utils.h>
14 #include "executable.h"
18 #include "objectfile.h"
20 #include "systemlibrary.h"
21 #include "virtualtarget.h"
26 Builder::Builder(int argc, char **argv):
36 getopt.add_option(GetOpt::Option('v', "verbose", GetOpt::NONE));
37 getopt.add_option(GetOpt::Option('a', "analyze", GetOpt::REQUIRED));
38 getopt.add_option(GetOpt::Option('b', "build", GetOpt::NONE));
39 getopt.add_option(GetOpt::Option("max-depth", GetOpt::REQUIRED));
40 getopt.add_option(GetOpt::Option('n', "dry-run", GetOpt::NONE));
41 getopt.add_option(GetOpt::Option('W', "what-if", GetOpt::REQUIRED));
42 getopt.add_option(GetOpt::Option('B', "build-all", GetOpt::NONE));
43 getopt.add_option(GetOpt::Option('C', "chdir", GetOpt::REQUIRED));
44 getopt.add_option(GetOpt::Option('j', "jobs", GetOpt::REQUIRED, "1"));
45 getopt.add_option(GetOpt::Option('h', "help", GetOpt::NONE));
46 getopt.add_option(GetOpt::Option('c', "clean", GetOpt::NONE));
47 getopt.add_option(GetOpt::Option('f', "file", GetOpt::REQUIRED, "Build"));
48 getopt.add_option(GetOpt::Option("chrome", GetOpt::NONE));
49 getopt.add_option(GetOpt::Option("full-paths", GetOpt::NONE));
50 int index=getopt(argc, argv);
52 verbose+=getopt['v'].count();
56 analyzer=new Analyzer(*this);
58 string mode=getopt['a'].arg();
60 analyzer->set_mode(Analyzer::DEPS);
61 else if(mode=="alldeps")
62 analyzer->set_mode(Analyzer::ALLDEPS);
63 else if(mode=="rebuild")
64 analyzer->set_mode(Analyzer::REBUILD);
65 else if(mode=="rdeps")
66 analyzer->set_mode(Analyzer::RDEPS);
68 throw UsageError("Invalid analysis mode");
70 if(getopt["max-depth"])
71 analyzer->set_max_depth(strtol(getopt["max-depth"].arg()));
72 analyzer->set_full_paths(getopt["full-paths"]);
80 jobs=max(strtol(getopt['j'].arg()), 1L);
82 chrome=getopt["chrome"];
85 chdir(getopt['C'].arg().c_str());
87 build_file=getopt['f'].arg();
89 for(int i=index; i<argc; ++i)
92 unsigned equal=v.find('=');
93 if(equal!=string::npos)
94 cmdline_options.insert(RawOptionMap::value_type(v.substr(0, equal), v.substr(equal+1)));
96 cmdline_targets.push_back(argv[i]);
99 if(cmdline_targets.empty())
100 cmdline_targets.push_back("default");
103 what_if.push_back(getopt['W'].arg());
107 Gets a package with the specified name, possibly creating it.
109 @param n Package name
111 @return Pointer to the package, or 0 if the package could not be located
113 Package *Builder::get_package(const string &n)
115 PackageMap::iterator i=packages.find(n);
116 if(i!=packages.end())
119 // Try to get source directory with pkgconfig
121 argv.push_back("pkg-config");
122 argv.push_back("--variable=source");
124 string srcdir=strip(run_command(argv));
128 dirs.push_back(srcdir);
130 // Make some other guesses about the source directory
132 if(!dirname.compare(0, 3, "msp"))
134 dirs.push_back(cwd/dirname);
135 dirs.push_back(cwd/".."/dirname);
137 // Go through the candidate directories and look for a Build file
138 for(PathList::iterator j=dirs.begin(); j!=dirs.end(); ++j)
139 if(!load_build_file(*j/"Build"))
142 if(i!=packages.end())
147 // Package source not found - create a binary package
148 Package *pkg=Package::create(*this, n);
149 packages.insert(PackageMap::value_type(n, pkg));
151 new_pkgs.push_back(pkg);
157 Returns the target with the given name, or 0 if no such target exists.
159 Target *Builder::get_target(const string &n)
161 TargetMap::iterator i=targets.find(n);
168 Tries to locate a header included from a given location and with a given include
169 path. Considers known targets as well as existing files.
171 Target *Builder::get_header(const string &include, const string &from, const list<string> &path)
174 update_hash(hash, from);
175 for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
176 update_hash(hash, *i);
178 string id=hash+include;
179 TargetMap::iterator i=includes.find(id);
180 if(i!=includes.end())
183 string fn=include.substr(1);
185 if(include[0]=='"' && (tgt=check_header(Path::Path(from)/fn)))
187 if((tgt=check_header(Path::Path("/usr/include")/fn)))
189 //XXX Determine the C++ header location dynamically
190 if((tgt=check_header(Path::Path("/usr/include/c++/4.1.2")/fn)))
192 for(list<string>::const_iterator j=path.begin(); j!=path.end(); ++j)
193 if((tgt=check_header(Path::Path(*j)/fn)))
199 Target *Builder::get_library(const string &lib, const list<string> &path)
202 for(list<string>::const_iterator i=path.begin(); i!=path.end(); ++i)
203 update_hash(hash, *i);
206 TargetMap::iterator i=libraries.find(id);
207 if(i!=libraries.end())
210 string basename="lib"+lib+".so";
211 for(list<string>::const_iterator j=path.begin(); j!=path.end(); ++j)
213 string full=(Path::Path(*j)/basename).str();
214 Target *tgt=get_target(full);
217 if(Path::exists(full))
219 add_target(tgt=new SystemLibrary(*this, full));
229 if(load_build_file(cwd/build_file))
231 cerr<<"No build info here.\n";
235 default_pkg=packages.begin()->second;
237 bool conf_all=cmdline_options.count("conf_all");
238 while(!new_pkgs.empty())
240 Package *pkg=new_pkgs.front();
241 if(pkg==default_pkg || conf_all)
242 pkg->process_options(cmdline_options);
243 new_pkgs.erase(new_pkgs.begin());
247 std::list<std::string> missing;
248 for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
250 missing.push_back(i->first);
255 cerr<<"The following packages were not found on the system:\n";
256 for(list<string>::iterator i=missing.begin(); i!=missing.end(); ++i)
258 cerr<<"Please install them and try again.\n";
262 default_pkg->create_build_info();
267 cout<<packages.size()<<" packages, "<<targets.size()<<" targets\n";
270 for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
272 cout<<' '<<i->second->get_name();
273 if(i->second->get_buildable())
276 for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
277 if(j->second->get_package()==i->second)
279 cout<<" ("<<count<<" targets)\n";
294 for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
296 for(TargetMap::iterator i=targets.begin(); i!=targets.end(); ++i)
301 int Builder::load_build_file(const Path::Path &fn)
303 ifstream in(fn.str().c_str());
307 Parser::Parser parser(in, fn.str());
308 Loader loader(*this, fn.subpath(0, fn.size()-1));
314 int Builder::create_targets()
316 Target *world=new VirtualTarget(*this, "world");
319 Target *def_tgt=new VirtualTarget(*this, "default");
321 world->add_depend(def_tgt);
323 Target *install=new VirtualTarget(*this, "install");
325 world->add_depend(install);
327 for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
331 if(!i->second->get_buildable())
334 Path::Path inst_base;
335 if(i->second->get_config().is_option("prefix"))
336 inst_base=i->second->get_config().get_option("prefix").value;
338 const ComponentList &components=i->second->get_components();
339 for(ComponentList::const_iterator j=components.begin(); j!=components.end(); ++j)
342 const PathList &sources=j->get_sources();
343 for(PathList::const_iterator k=sources.begin(); k!=sources.end(); ++k)
347 if(S_ISDIR(st.st_mode))
349 list<string> sfiles=list_files(*k);
350 for(list<string>::iterator l=sfiles.begin(); l!=sfiles.end(); ++l)
351 files.push_back(*k / *l);
357 bool build_exe=j->get_type()!=Component::HEADERS;
359 list<ObjectFile *> objs;
360 for(PathList::iterator k=files.begin(); k!=files.end(); ++k)
362 string basename=(*k)[-1];
363 string ext=Path::splitext(basename).ext;
364 if(ext==".cpp" || ext==".c")
368 SourceFile *src=new SourceFile(*this, &*j, k->str());
371 ObjectFile *obj=new ObjectFile(*this, *j, *src);
378 Target *hdr=get_target(k->str());
381 hdr=new Header(*this, &*j, k->str());
384 if(!j->get_install_headers().empty())
386 Path::Path inst_path=inst_base/"include"/j->get_install_headers()/basename;
387 Install *inst=new Install(*this, *i->second, *hdr, inst_path.str());
389 install->add_depend(inst);
396 Executable *exe=new Executable(*this, *j, objs);
398 if(i->second==default_pkg)
399 def_tgt->add_depend(exe);
401 world->add_depend(exe);
406 if(j->get_type()==Component::PROGRAM)
408 else if(j->get_type()==Component::LIBRARY)
410 if(!inst_dir.empty())
412 Install *inst=new Install(*this, *i->second, *exe, (inst_base/inst_dir/Path::basename(exe->get_name())).str());
414 install->add_depend(inst);
421 while(!new_tgts.empty())
423 Target *tgt=new_tgts.front();
424 new_tgts.erase(new_tgts.begin());
426 if(!tgt->get_depends_ready())
427 new_tgts.push_back(tgt);
430 for(list<string>::iterator i=what_if.begin(); i!=what_if.end(); ++i)
432 Target *tgt=get_target((cwd/ *i).str());
435 cerr<<"Unknown what-if target "<<*i<<'\n';
441 Target *cmdline=new VirtualTarget(*this, "cmdline");
443 world->add_depend(cmdline);
444 for(list<string>::iterator i=cmdline_targets.begin(); i!=cmdline_targets.end(); ++i)
446 Target *tgt=get_target(*i);
448 tgt=get_target((cwd/ *i).str());
451 cerr<<"I don't know anything about "<<*i<<'\n';
454 cmdline->add_depend(tgt);
462 Target *Builder::check_header(const Msp::Path::Path &fn)
464 Target *tgt=get_target(fn.str());
469 add_target(tgt=new SystemHeader(*this, fn.str()));
475 void Builder::add_target(Target *t)
477 targets.insert(TargetMap::value_type(t->get_name(), t));
478 new_tgts.push_back(t);
481 void Builder::update_hash(string &hash, const string &value)
483 for(unsigned i=0; i<value.size(); ++i)
484 hash[i%hash.size()]^=value[i];
488 This function supervises the build process, starting new actions when slots
493 Target *cmdline=get_target("cmdline");
495 unsigned total=cmdline->count_rebuild();
498 cout<<"Already up to date\n";
501 cout<<"Will build "<<total<<" target(s)\n";
503 vector<Action *> actions;
506 cout<<"0 targets built\n";
514 if(actions.size()<jobs && !fail)
516 Target *tgt=cmdline->get_buildable_target();
519 Action *action=tgt->build();
521 actions.push_back(action);
523 else if(actions.empty())
527 Time::sleep(10*Time::msec);
529 for(unsigned i=0; i<actions.size();)
531 int status=actions[i]->check();
537 cout<<"\e["<<actions.size()+1<<'A';
538 cout<<count<<" targets built\n";
542 if(i<actions.size()-1)
543 cout<<"\e["<<actions.size()-i-1<<"B";
547 actions.erase(actions.begin()+i);
550 if(actions.empty() && fail)
561 Application::RegApp<Builder> Builder::reg;
563 Builder::Loader::Loader(Builder &b, const Path::Path &s):
567 add("package", &Loader::package);
570 void Builder::Loader::package(const string &n)
572 Package *pkg=new Package(bld, n, src);
574 bld.packages.insert(PackageMap::value_type(n, pkg));
575 bld.new_pkgs.push_back(pkg);