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