source/sourcepackage.cpp

   1 #include <cstdlib>
   2 #include <msp/io/print.h>
   3 #include <msp/strings/lexicalcast.h>
   4 #include <msp/strings/utils.h>
   5 #include "binarypackage.h"
   6 #include "builder.h"
   7 #include "misc.h"
   8 #include "pkgconfigfile.h"
   9 #include "tool.h"
  10 #include "sourcepackage.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 namespace {
  16
  17 bool component_sort(const Component &c1, const Component &c2)
  18 { return c1.get_type()<c2.get_type(); }
  19
  20 }
  21
  22
  23 SourcePackage::SourcePackage(Builder &b, const string &n, const FS::Path &s):
  24         Package(b, n),
  25         source(s),
  26         config(*this),
  27         deps_cache(*this)
  28 {
  29         components.push_back(Component(*this, Component::TARBALL, "@src"));
  30 }
  31
  32 FS::Path SourcePackage::get_temp_dir() const
  33 {
  34         string subdir = format("%s.%s", builder.get_current_arch().get_name(), config.get_option("profile").value);
  35         return source/config.get_option("tempdir").value/subdir;
  36 }
  37
  38 FS::Path SourcePackage::get_out_dir() const
  39 {
  40         const Architecture &arch = builder.get_current_arch();
  41         if(arch.is_native())
  42                 return source/config.get_option("outdir").value;
  43         else
  44                 return source/arch.get_name()/config.get_option("outdir").value;
  45 }
  46
  47 unsigned SourcePackage::get_install_flags()
  48 {
  49         unsigned flags = 0;
  50         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  51                 if(i->get_install())
  52                 {
  53                         if(i->get_type()==Component::PROGRAM)
  54                                 flags |= BIN;
  55                         else if(i->get_type()==Component::LIBRARY || i->get_type()==Component::MODULE)
  56                                 flags |= LIB|INCLUDE;
  57                 }
  58
  59         return flags;
  60 }
  61
  62 LibMode SourcePackage::get_library_mode() const
  63 {
  64         const string &mode = config.get_option("staticlibs").value;
  65         if(mode=="all")
  66                 return ALL_STATIC;
  67         else if(mode=="local")
  68                 return LOCAL_STATIC;
  69         else if(mode=="none")
  70                 return DYNAMIC;
  71         else
  72                 throw runtime_error("unknown library mode");
  73 }
  74
  75 string SourcePackage::expand_string(const string &str) const
  76 {
  77         string result = str;
  78         string::size_type dollar = 0;
  79         unsigned n = 0;
  80         while((dollar = result.find('$'))!=string::npos)
  81         {
  82                 if(n>1000)
  83                         throw bad_expansion("nested too deep");
  84
  85                 string::size_type end;
  86                 string var;
  87                 if(dollar+1<result.size() && result[dollar+1]=='{')
  88                 {
  89                         end = result.find('}', dollar+2);
  90                         if(end==string::npos)
  91                                 throw bad_expansion("unterminated variable reference");
  92                         var = result.substr(dollar+2, end-dollar-2);
  93                         ++end;
  94                 }
  95                 else
  96                 {
  97                         for(end=dollar+1; (isalnum(result[end]) || result[end]=='_'); ++end) ;
  98                         var = result.substr(dollar+1, end-dollar-1);
  99                 }
 100
 101                 string value;
 102                 if(config.is_option(var))
 103                         value = config.get_option(var).value;
 104                 else if(var=="arch")
 105                         value = builder.get_current_arch().get_name();
 106                 else if(var=="system")
 107                         value = builder.get_current_arch().get_system();
 108                 else if(const char *ptr = getenv(var.c_str()))
 109                         value = ptr;
 110
 111                 result.replace(dollar, end-dollar, value);
 112
 113                 ++n;
 114         }
 115
 116         return result;
 117 }
 118
 119 void SourcePackage::do_configure(const StringMap &opts, unsigned flag)
 120 {
 121         init_config();
 122
 123         StringMap::const_iterator prof = opts.find("profile");
 124         if(prof!=opts.end() && flag)
 125                 config.select_profile(prof->second);
 126         else
 127                 config.select_last_profile();
 128
 129         if(flag && config.update(opts))
 130                 builder.get_logger().log("configure", format("Configuration of %s changed", name));
 131
 132         config.finish();
 133
 134         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 135                 if(i->eval())
 136                 {
 137                         const StringList &reqs = i->get_requires();
 138                         for(StringList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
 139                                 if(Package *pkg = builder.get_package_manager().find_package(*j))
 140                                         requires.push_back(pkg);
 141                 }
 142
 143         for(PackageList::iterator i=requires.begin(); i!=requires.end(); ++i)
 144         {
 145                 BinaryPackage *bpkg = dynamic_cast<BinaryPackage *>(*i);
 146                 if(bpkg && bpkg->get_need_path())
 147                         bpkg->set_path(config.get_option(bpkg->get_name()+"_path").value);
 148         }
 149
 150         deps_cache.load();
 151
 152         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
 153                 i->configure(opts, flag);
 154 }
 155
 156 void SourcePackage::init_config()
 157 {
 158         config.add_option("profile",    "default", "Configuration profile");
 159         config.add_option("tempdir",    "temp",    "Directory for storing temporary files");
 160         config.add_option("outdir",     ".",       "Directory to put build results in");
 161         config.add_option("optimize",   "0",       "Compiler optimization level");
 162         config.add_option("strip",      "no",      "Strip symbols from programs");
 163         config.add_option("debug",      "no",      "Produce debugging symbols");
 164         config.add_option("staticlibs", "local",   "Use static libraries");
 165
 166         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 167                 config.add_option("with_"+i->name, i->def_value, i->descr);
 168
 169         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
 170         {
 171                 BinaryPackage *bpkg = dynamic_cast<BinaryPackage *>(*i);
 172                 if(bpkg && bpkg->get_need_path())
 173                         config.add_option(bpkg->get_name()+"_path", "/usr", "Path for "+bpkg->get_name());
 174         }
 175 }
 176
 177 void SourcePackage::create_build_info()
 178 {
 179         // XXX Currently, a package-specific settings will override cmdline.  This might or might not be desirable.
 180         const StringList &warnings = builder.get_warnings();
 181         build_info.warnings.insert(build_info.warnings.begin(), warnings.begin(), warnings.end());
 182
 183         unsigned flags = get_install_flags();
 184
 185         build_info.incpath.push_back((builder.get_prefix()/"include").str());
 186         build_info.libpath.push_back((builder.get_prefix()/"lib").str());
 187
 188         if(flags&INCLUDE)
 189                 export_binfo.incpath.push_back((builder.get_prefix()/"include").str());
 190         if(flags&LIB)
 191                 export_binfo.libpath.push_back((builder.get_prefix()/"lib").str());
 192
 193         string optimize = config.get_option("optimize").value;
 194         if(!optimize.empty() && optimize!="0")
 195         {
 196                 if(optimize=="s" || optimize=="size")
 197                         build_info.optimize = -1;
 198                 else
 199                         build_info.optimize = lexical_cast<unsigned>(optimize);
 200         }
 201
 202         if(lexical_cast<bool>(config.get_option("debug").value))
 203         {
 204                 build_info.debug = true;
 205                 build_info.defines["DEBUG"] = "1";
 206         }
 207
 208         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 209                 if(lexical_cast<bool>(config.get_option("with_"+i->name).value))
 210                         build_info.defines["WITH_"+toupper(i->name)] = "1";
 211
 212         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 213                 if(i->eval())
 214                         build_info.update_from(i->get_build_info());
 215
 216         for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
 217         {
 218                 i->create_build_info();
 219                 if(i->get_type()==Component::LIBRARY)
 220                         export_binfo.libs.push_back(i->get_name());
 221         }
 222 }
 223
 224 void SourcePackage::create_targets()
 225 {
 226         bool pc_needed = false;
 227         for(ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
 228         {
 229                 i->create_targets();
 230                 if(i->get_type()==Component::LIBRARY)
 231                         pc_needed = true;
 232         }
 233
 234         if(pc_needed)
 235         {
 236                 PkgConfigFile *pc = new PkgConfigFile(builder, *this);
 237                 builder.get_target("install")->add_depend(*builder.get_toolchain().get_tool("CP").create_target(*pc));
 238         }
 239 }
 240
 241 void SourcePackage::save_caches()
 242 {
 243         config.save();
 244         deps_cache.save();
 245 }
 246
 247
 248 SourcePackage::Loader::Loader(SourcePackage &p):
 249         DataFile::DerivedObjectLoader<SourcePackage, Package>(p)
 250 {
 251         add("version",     &SourcePackage::version);
 252         add("description", &SourcePackage::description);
 253         add("build_info",  &Loader::build_info);
 254         add("feature",     &Loader::feature);
 255         add("if",          &Loader::condition);
 256         add("program",     &Loader::component<Component::PROGRAM>);
 257         add("library",     &Loader::component<Component::LIBRARY>);
 258         add("module",      &Loader::component<Component::MODULE>);
 259         add("headers",     &Loader::headers);
 260         add("install",     &Loader::component<Component::INSTALL>);
 261         add("datafile",    &Loader::component<Component::DATAFILE>);
 262         add("tarball",     &Loader::tarball);
 263         add("tar_file",    &Loader::tar_file);
 264 }
 265
 266 void SourcePackage::Loader::finish()
 267 {
 268         obj.components.sort(component_sort);
 269
 270         for(map<string, string>::const_iterator i=install_map.begin(); i!=install_map.end(); ++i)
 271         {
 272                 for(ComponentList::iterator j=obj.components.begin(); j!=obj.components.end(); ++j)
 273                 {
 274                         const StringList &sources = j->get_sources();
 275                         for(StringList::const_iterator k=sources.begin(); k!=sources.end(); ++k)
 276                         {
 277                                 if(!i->first.compare(0, k->size(), *k))
 278                                 {
 279                                         const_cast<InstallMap &>(j->get_install_map()).add_mapping(obj.source/i->first, i->second);
 280                                 }
 281                         }
 282                 }
 283         }
 284 }
 285
 286 void SourcePackage::Loader::feature(const string &n, const string &d)
 287 {
 288         Feature feat(n);
 289         feat.descr = d;
 290         feat.def_value = "no";
 291         load_sub(feat);
 292         obj.features.push_back(feat);
 293 }
 294
 295 void SourcePackage::Loader::condition(const string &c)
 296 {
 297         Condition cond(obj, c);
 298         load_sub(cond);
 299         obj.conditions.push_back(cond);
 300 }
 301
 302 template<Component::Type t>
 303 void SourcePackage::Loader::component(const string &n)
 304 {
 305         Component comp(obj, t, n);
 306         load_sub(comp);
 307         obj.components.push_back(comp);
 308 }
 309
 310 void SourcePackage::Loader::build_info()
 311 {
 312         load_sub(obj.build_info);
 313 }
 314
 315 void SourcePackage::Loader::headers(const string &n)
 316 {
 317         IO::print("%s: Note: headers components are deprecated\n", get_source());
 318         Component comp(obj, Component::LIBRARY, n);
 319         load_sub(comp);
 320         const StringList &sources = comp.get_sources();
 321         for(StringList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 322                 install_map[*i] = "include/"+comp.get_name();
 323 }
 324
 325 void SourcePackage::Loader::tarball(const string &n)
 326 {
 327         if(n=="@src")
 328         {
 329                 for(ComponentList::iterator i=obj.components.begin(); i!=obj.components.end(); ++i)
 330                         if(i->get_type()==Component::TARBALL && i->get_name()==n)
 331                                 load_sub(*i);
 332         }
 333         else
 334         {
 335                 Component trbl(obj, Component::TARBALL, n);
 336                 load_sub(trbl);
 337         }
 338 }
 339
 340 void SourcePackage::Loader::tar_file(const string &f)
 341 {
 342         IO::print("%s: Note: tar_file is deprecated\n", get_source());
 343         for(ComponentList::iterator i=obj.components.begin(); i!=obj.components.end(); ++i)
 344                 if(i->get_type()==Component::TARBALL && i->get_name()=="@src")
 345                         const_cast<StringList &>(i->get_sources()).push_back((obj.source/f).str());
 346 }