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