source/package.cpp

   1 #include <msp/strconv.h>
   2 #include <msp/strutils.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 {
 193         for(vector<string>::const_iterator i=info.begin(); i!=info.end(); ++i)
 194         {
 195                 if(!i->compare(0, 2, "-I"))
 196                         export_binfo.incpath.push_back(i->substr(2));
 197                 else if(!i->compare(0, 2, "-D"))
 198                         export_binfo.defines.push_back(i->substr(2));
 199                 else if(!i->compare(0, 2, "-L"))
 200                         export_binfo.libpath.push_back(i->substr(2));
 201                 else if(!i->compare(0, 2, "-l"))
 202                         export_binfo.libs.push_back(i->substr(2));
 203         }
 204 }
 205
 206 /**
 207 Initializes configuration options and loads cached values.
 208 */
 209 void Package::init_config()
 210 {
 211         config.add_option("profile",    "default", "Configuration profile");
 212         config.add_option("tempdir",    "temp",    "Directory for storing temporary files");
 213         config.add_option("outdir",     ".",       "Directory to put build results in");
 214         config.add_option("optimize",   "0",       "Apply compiler optimizations");
 215         config.add_option("debug",      "0",       "Produce debugging symbols");
 216         config.add_option("cpu",        "auto",    "CPU type to optimize for");
 217         config.add_option("arch",       "native",  "Architecture for cross-compiling");
 218         config.add_option("staticlibs", "local",   "Use static libraries");
 219
 220         const char *home=getenv("HOME");
 221         unsigned flags=get_install_flags();
 222         if(flags)
 223                 config.add_option("prefix",     string(home)+"/local"/*"/usr"*/,            "Installation prefix");
 224         /*if(flags&INCLUDE)
 225                 config.add_option("includedir", "$prefix/include", "Header installation directory");
 226         if(flags&BIN)
 227                 config.add_option("includedir", "$prefix/bin",     "Binary installation directory");
 228         if(flags&LIB)
 229                 config.add_option("includedir", "$prefix/lib",     "Library installation directory");
 230         if(flags&DATA)
 231                 config.add_option("includedir", "$prefix/share",   "Data installation directory");*/
 232
 233         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
 234                 if(i->get_package() && i->get_package()->get_need_path())
 235                         config.add_option(i->get_name()+"_path", "", "Path for "+i->get_name());
 236
 237         config.set_source(source);
 238 }
 239
 240 /**
 241 Fills in build info based on configuration.  All required packages must be
 242 configured when this is called.
 243 */
 244 void Package::create_build_info()
 245 {
 246         if(buildable)
 247         {
 248                 for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
 249                 {
 250                         Package *pkg=i->get_package();
 251                         if(!pkg)
 252                                 continue;
 253                         build_info.add(pkg->get_exported_binfo());
 254                         //XXX We probably really only want to pass cflags and defines through
 255                         export_binfo.add(pkg->get_exported_binfo());
 256                 }
 257
 258                 build_info.cflags.push_back("-Wall");
 259                 build_info.cflags.push_back("-Wshadow");
 260                 build_info.cflags.push_back("-Wextra");
 261                 build_info.cflags.push_back("-Wpointer-arith");
 262                 build_info.cflags.push_back("-Wconversion");
 263                 build_info.cflags.push_back("-Werror");
 264
 265                 unsigned flags=get_install_flags();
 266
 267                 if(flags&INCLUDE)
 268                         export_binfo.incpath.push_back((Path::Path(config.get_option("prefix").value)/"include").str());
 269                 if(flags&LIB)
 270                         export_binfo.libpath.push_back((Path::Path(config.get_option("prefix").value)/"lib").str());
 271
 272                 string optimize=config.get_option("optimize").value;
 273                 if(strtol(optimize))
 274                 {
 275                         build_info.cflags.push_back("-O"+optimize);
 276                         string cpu=config.get_option("cpu").value;
 277                         if(cpu!="auto")
 278                                 build_info.cflags.push_back("-march="+cpu);
 279                 }
 280
 281                 if(strtobool(config.get_option("debug").value))
 282                 {
 283                         build_info.cflags.push_back("-ggdb");
 284                         build_info.defines.push_back("DEBUG");
 285                 }
 286
 287                 build_info.unique();
 288
 289                 for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
 290                 {
 291                         i->create_build_info();
 292                         if(i->get_type()==Component::LIBRARY)
 293                                 export_binfo.libs.push_back(i->get_name());
 294                 }
 295         }
 296         else if(name=="fmod4")
 297         {
 298                 export_binfo.libs.push_back("fmodex");
 299                 if(!path.empty())
 300                 {
 301                         export_binfo.libpath.push_back((path/"api"/"lib").str());
 302                         export_binfo.incpath.push_back((path/"api"/"inc").str());
 303                 }
 304         }
 305         export_binfo.unique();
 306 }
 307
 308 Package::Loader::Loader(Package &p):
 309         pkg(p)
 310 {
 311         add("version",     &Package::version);
 312         add("description", &Package::description);
 313         add("require",     &Loader::require);
 314         add("program",     &Loader::program);
 315         add("library",     &Loader::library);
 316         add("headers",     &Loader::headers);
 317         add("build_info",  &Loader::build_info);
 318 }
 319
 320 void Package::Loader::require(const string &n)
 321 {
 322         pkg.requires.push_back(PackageRef(pkg.builder, n));
 323 }
 324
 325 void Package::Loader::program(const string &n)
 326 {
 327         Component prog(pkg, Component::PROGRAM, n);
 328         load_sub(prog);
 329         pkg.components.push_back(prog);
 330 }
 331
 332 void Package::Loader::library(const string &n)
 333 {
 334         Component prog(pkg, Component::LIBRARY, n);
 335         load_sub(prog);
 336         pkg.components.push_back(prog);
 337 }
 338
 339 void Package::Loader::headers(const string &n)
 340 {
 341         Component prog(pkg, Component::HEADERS, n);
 342         load_sub(prog);
 343         pkg.components.push_back(prog);
 344 }
 345
 346 void Package::Loader::build_info()
 347 {
 348         load_sub(pkg.build_info);
 349 }