source/package.cpp

   1 #include <msp/strings/lexicalcast.h>
   2 #include <msp/strings/utils.h>
   3 #include "builder.h"
   4 #include "misc.h"
   5 #include "package.h"
   6
   7 using namespace std;
   8 using namespace Msp;
   9
  10 #include <iostream>
  11
  12 /**
  13 Creates a buildable package.
  14 */
  15 Package::Package(Builder &b, const string &n, const Path::Path &s):
  16         builder(b),
  17         name(n),
  18         buildable(true),
  19         source(s),
  20         config(*this),
  21         conf_done(false),
  22         use_pkgconfig(true),
  23         need_path(false)
  24 {
  25         if(builder.get_verbose()>=4)
  26                 cout<<"Created buildable package "<<n<<" at "<<s<<'\n';
  27 }
  28
  29 /**
  30 Sets the path where the package files were installed.  This is only useful for
  31 non-buildable packages that don't use pkg-config.
  32 */
  33 void Package::set_path(const Msp::Path::Path &p)
  34 {
  35         path=builder.get_cwd()/p;
  36 }
  37
  38 Msp::Path::Path Package::get_temp_dir() const
  39 {
  40         return source/config.get_option("tempdir").value/config.get_option("profile").value;
  41 }
  42
  43 Msp::Path::Path Package::get_out_dir() const
  44 {
  45         return source/config.get_option("outdir").value;
  46 }
  47
  48 /**
  49 Checks which kinds of things the components of this package install.
  50
  51 @return  A bitmask of installed things
  52 */
  53 unsigned Package::get_install_flags()
  54 {
  55         unsigned flags=0;
  56         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  57         {
  58                 if(i->get_install())
  59                 {
  60                         if(i->get_type()==Component::PROGRAM)
  61                                 flags|=BIN;
  62                         else if(i->get_type()==Component::LIBRARY || i->get_type()==Component::MODULE)
  63                                 flags|=LIB;
  64                 }
  65                 if(!i->get_install_headers().empty())
  66                         flags|=INCLUDE;
  67         }
  68
  69         return flags;
  70 }
  71
  72 LibMode Package::get_library_mode() const
  73 {
  74         const string &mode=config.get_option("staticlibs").value;
  75         if(mode=="all")
  76                 return ALL_STATIC;
  77         else if(mode=="local")
  78                 return LOCAL_STATIC;
  79         else if(mode=="none")
  80                 return DYNAMIC;
  81         else
  82                 throw Exception("Unknown library mode");
  83 }
  84
  85 /**
  86 Tries to resolve all references to dependency packages.
  87 */
  88 void Package::resolve_refs()
  89 {
  90         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
  91         {
  92                 Package *pkg=i->resolve();
  93                 if(pkg) all_reqs.push_back(pkg);
  94         }
  95
  96         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  97         {
  98                 i->resolve_refs();
  99                 const PkgRefList &creqs=i->get_requires();
 100                 for(PkgRefList::const_iterator j=creqs.begin(); j!=creqs.end(); ++j)
 101                         if(j->get_package())
 102                                 all_reqs.push_back(j->get_package());
 103         }
 104
 105         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 106         {
 107                 i->resolve_refs();
 108                 const PkgRefList &creqs=i->get_requires();
 109                 for(PkgRefList::const_iterator j=creqs.begin(); j!=creqs.end(); ++j)
 110                         if(j->get_package())
 111                                 all_reqs.push_back(j->get_package());
 112         }
 113 }
 114
 115 /**
 116 Processes configuration options that were most likely obtained from the command
 117 line.
 118 */
 119 void Package::configure(const StringMap &opts, unsigned flag)
 120 {
 121         if(conf_done)
 122                 return;
 123
 124         if(builder.get_verbose()>=3)
 125                 cout<<"Configuring "<<name<<'\n';
 126
 127         if(buildable)
 128         {
 129                 init_config();
 130
 131                 StringMap::const_iterator prof=opts.find("profile");
 132                 if(prof!=opts.end() && flag)
 133                         config.select_profile(prof->second);
 134                 else
 135                         config.select_last_profile();
 136
 137                 if(flag && config.update(opts))
 138                 {
 139                         if(builder.get_verbose()>=2)
 140                                 cout<<"Configuration of "<<name<<" changed\n";
 141                         if(!builder.get_dry_run())
 142                                 config.save();
 143                 }
 144
 145                 config.finish();
 146
 147                 for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 148                         if(i->eval())
 149                         {
 150                                 const PkgRefList &reqs=i->get_requires();
 151                                 requires.insert(requires.end(), reqs.begin(), reqs.end());
 152                                 build_info.add(i->get_build_info());
 153                         }
 154
 155                 for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 156                 {
 157                         if((*i)->get_need_path())
 158                                 (*i)->set_path(config.get_option((*i)->get_name()+"_path").value);
 159                         (*i)->configure(opts, flag&2);
 160                 }
 161         }
 162
 163         create_build_info();
 164
 165         conf_done=true;
 166 }
 167
 168 /**
 169 Creates a non-buildable package with the given name.  Pkg-config is tried first
 170 to get build information.  If it fails, a built-in list of known packages is
 171 consulted.
 172 */
 173 Package *Package::create(Builder &b, const string &name)
 174 {
 175         list<string> argv;
 176         argv.push_back("pkg-config");
 177         argv.push_back("--silence-errors");
 178         argv.push_back("--cflags");
 179         argv.push_back("--libs");
 180         argv.push_back(name);
 181         vector<string> info=split(run_command(argv));
 182
 183         bool need_path=false;
 184         bool use_pkgconfig=true;
 185         if(info.empty())
 186         {
 187                 use_pkgconfig=false;
 188
 189                 //XXX Put these in an external file
 190                 if(name=="opengl")
 191                         info.push_back("-lGL");
 192                 else if(name=="pthread")
 193                         info.push_back("-lpthread");
 194                 else if(name=="gmpxx")
 195                         info.push_back("-lgmpxx");
 196                 else if(name=="fmod4")
 197                         need_path=true;
 198                 else if(name=="devil")
 199                         info.push_back("-lIL");
 200                 else if(name=="Xlib")
 201                         info.push_back("-lX11");
 202                 else
 203                         return 0;
 204         }
 205
 206         Package *pkg=new Package(b, name, info);
 207         pkg->need_path=need_path;
 208         pkg->use_pkgconfig=use_pkgconfig;
 209         return pkg;
 210 }
 211
 212 /*** private ***/
 213
 214 Package::Package(Builder &b, const string &n, const vector<string> &info):
 215         builder(b),
 216         name(n),
 217         buildable(false),
 218         config(*this),
 219         conf_done(false)
 220 {
 221         for(vector<string>::const_iterator i=info.begin(); i!=info.end(); ++i)
 222         {
 223                 if(!i->compare(0, 2, "-I"))
 224                         export_binfo.incpath.push_back(i->substr(2));
 225                 else if(!i->compare(0, 2, "-D"))
 226                         export_binfo.defines.push_back(i->substr(2));
 227                 else if(!i->compare(0, 2, "-L"))
 228                         export_binfo.libpath.push_back(i->substr(2));
 229                 else if(!i->compare(0, 2, "-l"))
 230                         export_binfo.libs.push_back(i->substr(2));
 231         }
 232
 233         if(builder.get_verbose()>=4)
 234         {
 235                 cout<<"Created non-buildable package "<<name<<" with";
 236                 for(vector<string>::const_iterator i=info.begin(); i!=info.end(); ++i)
 237                         cout<<' '<<*i;
 238                 cout<<'\n';
 239         }
 240 }
 241
 242 /**
 243 Initializes configuration options and loads cached values.
 244 */
 245 void Package::init_config()
 246 {
 247         config.add_option("profile",    "default", "Configuration profile");
 248         config.add_option("tempdir",    "temp",    "Directory for storing temporary files");
 249         config.add_option("outdir",     ".",       "Directory to put build results in");
 250         config.add_option("optimize",   "0",       "Apply compiler optimizations");
 251         config.add_option("debug",      "0",       "Produce debugging symbols");
 252         config.add_option("cpu",        "auto",    "CPU type to optimize for");
 253         config.add_option("arch",       "native",  "Architecture for cross-compiling");
 254         config.add_option("staticlibs", "local",   "Use static libraries");
 255
 256         unsigned flags=get_install_flags();
 257         if(flags)
 258                 config.add_option("prefix",     "$HOME/local",     "Installation prefix");
 259         /*if(flags&INCLUDE)
 260                 config.add_option("includedir", "$prefix/include", "Header installation directory");
 261         if(flags&BIN)
 262                 config.add_option("includedir", "$prefix/bin",     "Binary installation directory");
 263         if(flags&LIB)
 264                 config.add_option("includedir", "$prefix/lib",     "Library installation directory");
 265         if(flags&DATA)
 266                 config.add_option("includedir", "$prefix/share",   "Data installation directory");*/
 267
 268         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 269                 config.add_option("with_"+i->name, "0", i->descr);
 270
 271         for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 272                 if((*i)->get_need_path())
 273                         config.add_option((*i)->get_name()+"_path", "", "Path for "+(*i)->get_name());
 274 }
 275
 276 /**
 277 Fills in build info based on configuration.  All required packages must be
 278 configured when this is called.
 279 */
 280 void Package::create_build_info()
 281 {
 282         if(buildable)
 283         {
 284                 for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
 285                 {
 286                         Package *pkg=i->get_package();
 287                         if(!pkg)
 288                                 continue;
 289                         const BuildInfo &ebi=pkg->get_exported_binfo();
 290                         build_info.add(ebi);
 291
 292                         export_binfo.cflags.insert(export_binfo.cflags.end(), ebi.cflags.begin(), ebi.cflags.end());
 293                         export_binfo.incpath.insert(export_binfo.incpath.end(), ebi.incpath.begin(), ebi.incpath.end());
 294                         export_binfo.defines.insert(export_binfo.defines.end(), ebi.defines.begin(), ebi.defines.end());
 295                 }
 296
 297                 build_info.cflags.push_back("-Wall");
 298                 build_info.cflags.push_back("-Wshadow");
 299                 build_info.cflags.push_back("-Wextra");
 300                 build_info.cflags.push_back("-Wpointer-arith");
 301                 build_info.cflags.push_back("-Wconversion");
 302                 build_info.cflags.push_back("-Werror");
 303
 304                 unsigned flags=get_install_flags();
 305
 306                 if(flags&INCLUDE)
 307                         export_binfo.incpath.push_back((Path::Path(config.get_option("prefix").value)/"include").str());
 308                 if(flags&LIB)
 309                         export_binfo.libpath.push_back((Path::Path(config.get_option("prefix").value)/"lib").str());
 310
 311                 string optimize=config.get_option("optimize").value;
 312                 if(lexical_cast<unsigned>(optimize))
 313                 {
 314                         build_info.cflags.push_back("-O"+optimize);
 315                         build_info.ldflags.push_back("-O"+optimize);
 316                         string cpu=config.get_option("cpu").value;
 317                         if(cpu!="auto")
 318                                 build_info.cflags.push_back("-march="+cpu);
 319                 }
 320
 321                 if(lexical_cast<bool>(config.get_option("debug").value))
 322                 {
 323                         build_info.cflags.push_back("-ggdb");
 324                         build_info.defines.push_back("DEBUG");
 325                 }
 326
 327                 for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 328                         if(lexical_cast<bool>(config.get_option("with_"+i->name).value))
 329                                 build_info.cflags.push_back("-DWITH_"+toupper(i->name));
 330
 331                 build_info.unique();
 332
 333                 for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
 334                 {
 335                         i->create_build_info();
 336                         if(i->get_type()==Component::LIBRARY)
 337                                 export_binfo.libs.push_back(i->get_name());
 338                 }
 339         }
 340         else if(name=="fmod4")
 341         {
 342                 export_binfo.libs.push_back("fmodex");
 343                 if(!path.empty())
 344                 {
 345                         export_binfo.libpath.push_back((path/"api"/"lib").str());
 346                         export_binfo.incpath.push_back((path/"api"/"inc").str());
 347                 }
 348         }
 349         export_binfo.unique();
 350 }
 351
 352 Package::Loader::Loader(Package &p):
 353         pkg(p)
 354 {
 355         add("version",     &Package::version);
 356         add("description", &Package::description);
 357         add("require",     &Loader::require);
 358         add("feature",     &Loader::feature);
 359         add("if",          &Loader::condition);
 360         add("program",     &Loader::program);
 361         add("library",     &Loader::library);
 362         add("module",      &Loader::module);
 363         add("headers",     &Loader::headers);
 364         add("build_info",  &Loader::build_info);
 365 }
 366
 367 void Package::Loader::require(const string &n)
 368 {
 369         pkg.requires.push_back(PackageRef(pkg.builder, n));
 370 }
 371
 372 void Package::Loader::feature(const string &n, const string &d)
 373 {
 374         pkg.features.push_back(Feature(n, d));
 375 }
 376
 377 void Package::Loader::condition(const string &c)
 378 {
 379         Condition cond(pkg, c);
 380         load_sub(cond);
 381         pkg.conditions.push_back(cond);
 382 }
 383
 384 void Package::Loader::program(const string &n)
 385 {
 386         Component prog(pkg, Component::PROGRAM, n);
 387         load_sub(prog);
 388         pkg.components.push_back(prog);
 389 }
 390
 391 void Package::Loader::library(const string &n)
 392 {
 393         Component prog(pkg, Component::LIBRARY, n);
 394         load_sub(prog);
 395         pkg.components.push_back(prog);
 396 }
 397
 398 void Package::Loader::module(const string &n)
 399 {
 400         Component prog(pkg, Component::MODULE, n);
 401         load_sub(prog);
 402         pkg.components.push_back(prog);
 403 }
 404
 405 void Package::Loader::headers(const string &n)
 406 {
 407         Component prog(pkg, Component::HEADERS, n);
 408         load_sub(prog);
 409         pkg.components.push_back(prog);
 410 }
 411
 412 void Package::Loader::build_info()
 413 {
 414         load_sub(pkg.build_info);
 415 }