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