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         {
 131                 builder.get_logger().log("configure", format("Configuration of %s changed", name));
 132                 if(!builder.get_dry_run())
 133                         config.save();
 134         }
 135
 136         config.finish();
 137
 138         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 139                 if(i->eval())
 140                 {
 141                         const StringList &reqs = i->get_requires();
 142                         for(StringList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
 143                                 if(Package *pkg = builder.get_package_manager().find_package(*j))
 144                                         requires.push_back(pkg);
 145                 }
 146
 147         for(PackageList::iterator i=requires.begin(); i!=requires.end(); ++i)
 148         {
 149                 BinaryPackage *bpkg = dynamic_cast<BinaryPackage *>(*i);
 150                 if(bpkg && bpkg->get_need_path())
 151                         bpkg->set_path(config.get_option(bpkg->get_name()+"_path").value);
 152         }
 153
 154         deps_cache.load();
 155
 156         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
 157                 i->configure(opts, flag);
 158 }
 159
 160 void SourcePackage::init_config()
 161 {
 162         config.add_option("profile",    "default", "Configuration profile");
 163         config.add_option("tempdir",    "temp",    "Directory for storing temporary files");
 164         config.add_option("outdir",     ".",       "Directory to put build results in");
 165         config.add_option("optimize",   "0",       "Compiler optimization level");
 166         config.add_option("strip",      "no",      "Strip symbols from programs");
 167         config.add_option("debug",      "no",      "Produce debugging symbols");
 168         config.add_option("staticlibs", "local",   "Use static libraries");
 169
 170         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 171                 config.add_option("with_"+i->name, i->def_value, i->descr);
 172
 173         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
 174         {
 175                 BinaryPackage *bpkg = dynamic_cast<BinaryPackage *>(*i);
 176                 if(bpkg && bpkg->get_need_path())
 177                         config.add_option(bpkg->get_name()+"_path", "/usr", "Path for "+bpkg->get_name());
 178         }
 179 }
 180
 181 void SourcePackage::create_build_info()
 182 {
 183         // XXX Currently, a package-specific settings will override cmdline.  This might or might not be desirable.
 184         const StringList &warnings = builder.get_warnings();
 185         build_info.warnings.insert(build_info.warnings.begin(), warnings.begin(), warnings.end());
 186
 187         unsigned flags = get_install_flags();
 188
 189         build_info.incpath.push_back((builder.get_prefix()/"include").str());
 190         build_info.libpath.push_back((builder.get_prefix()/"lib").str());
 191
 192         if(flags&INCLUDE)
 193                 export_binfo.incpath.push_back((builder.get_prefix()/"include").str());
 194         if(flags&LIB)
 195                 export_binfo.libpath.push_back((builder.get_prefix()/"lib").str());
 196
 197         string optimize = config.get_option("optimize").value;
 198         if(!optimize.empty() && optimize!="0")
 199         {
 200                 if(optimize=="s" || optimize=="size")
 201                         build_info.optimize = -1;
 202                 else
 203                         build_info.optimize = lexical_cast<unsigned>(optimize);
 204         }
 205
 206         if(lexical_cast<bool>(config.get_option("debug").value))
 207         {
 208                 build_info.debug = true;
 209                 build_info.defines["DEBUG"] = "1";
 210         }
 211
 212         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 213                 if(lexical_cast<bool>(config.get_option("with_"+i->name).value))
 214                         build_info.defines["WITH_"+toupper(i->name)] = "1";
 215
 216         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 217                 if(i->eval())
 218                         build_info.update_from(i->get_build_info());
 219
 220         for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
 221         {
 222                 i->create_build_info();
 223                 if(i->get_type()==Component::LIBRARY)
 224                         export_binfo.libs.push_back(i->get_name());
 225         }
 226 }
 227
 228 void SourcePackage::create_targets()
 229 {
 230         bool pc_needed = false;
 231         for(ComponentList::const_iterator i=components.begin(); i!=components.end(); ++i)
 232         {
 233                 i->create_targets();
 234                 if(i->get_type()==Component::LIBRARY)
 235                         pc_needed = true;
 236         }
 237
 238         if(pc_needed)
 239         {
 240                 PkgConfigFile *pc = new PkgConfigFile(builder, *this);
 241                 builder.get_target("install")->add_depend(*builder.get_toolchain().get_tool("CP").create_target(*pc));
 242         }
 243 }
 244
 245
 246 SourcePackage::Loader::Loader(SourcePackage &p):
 247         DataFile::DerivedObjectLoader<SourcePackage, Package>(p)
 248 {
 249         add("version",     &SourcePackage::version);
 250         add("description", &SourcePackage::description);
 251         add("build_info",  &Loader::build_info);
 252         add("feature",     &Loader::feature);
 253         add("if",          &Loader::condition);
 254         add("program",     &Loader::component<Component::PROGRAM>);
 255         add("library",     &Loader::component<Component::LIBRARY>);
 256         add("module",      &Loader::component<Component::MODULE>);
 257         add("headers",     &Loader::headers);
 258         add("install",     &Loader::component<Component::INSTALL>);
 259         add("datafile",    &Loader::component<Component::DATAFILE>);
 260         add("tarball",     &Loader::tarball);
 261         add("tar_file",    &Loader::tar_file);
 262 }
 263
 264 void SourcePackage::Loader::finish()
 265 {
 266         obj.components.sort(component_sort);
 267
 268         for(map<string, string>::const_iterator i=install_map.begin(); i!=install_map.end(); ++i)
 269         {
 270                 for(ComponentList::iterator j=obj.components.begin(); j!=obj.components.end(); ++j)
 271                 {
 272                         const StringList &sources = j->get_sources();
 273                         for(StringList::const_iterator k=sources.begin(); k!=sources.end(); ++k)
 274                         {
 275                                 if(!i->first.compare(0, k->size(), *k))
 276                                 {
 277                                         const_cast<InstallMap &>(j->get_install_map()).add_mapping(obj.source/i->first, i->second);
 278                                 }
 279                         }
 280                 }
 281         }
 282 }
 283
 284 void SourcePackage::Loader::feature(const string &n, const string &d)
 285 {
 286         Feature feat(n);
 287         feat.descr = d;
 288         feat.def_value = "no";
 289         load_sub(feat);
 290         obj.features.push_back(feat);
 291 }
 292
 293 void SourcePackage::Loader::condition(const string &c)
 294 {
 295         Condition cond(obj, c);
 296         load_sub(cond);
 297         obj.conditions.push_back(cond);
 298 }
 299
 300 template<Component::Type t>
 301 void SourcePackage::Loader::component(const string &n)
 302 {
 303         Component comp(obj, t, n);
 304         load_sub(comp);
 305         obj.components.push_back(comp);
 306 }
 307
 308 void SourcePackage::Loader::build_info()
 309 {
 310         load_sub(obj.build_info);
 311 }
 312
 313 void SourcePackage::Loader::headers(const string &n)
 314 {
 315         IO::print("%s: Note: headers components are deprecated\n", get_source());
 316         Component comp(obj, Component::LIBRARY, n);
 317         load_sub(comp);
 318         const StringList &sources = comp.get_sources();
 319         for(StringList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 320                 install_map[*i] = "include/"+comp.get_name();
 321 }
 322
 323 void SourcePackage::Loader::tarball(const string &n)
 324 {
 325         if(n=="@src")
 326         {
 327                 for(ComponentList::iterator i=obj.components.begin(); i!=obj.components.end(); ++i)
 328                         if(i->get_type()==Component::TARBALL && i->get_name()==n)
 329                                 load_sub(*i);
 330         }
 331         else
 332         {
 333                 Component trbl(obj, Component::TARBALL, n);
 334                 load_sub(trbl);
 335         }
 336 }
 337
 338 void SourcePackage::Loader::tar_file(const string &f)
 339 {
 340         IO::print("%s: Note: tar_file is deprecated\n", get_source());
 341         for(ComponentList::iterator i=obj.components.begin(); i!=obj.components.end(); ++i)
 342                 if(i->get_type()==Component::TARBALL && i->get_name()=="@src")
 343                         const_cast<StringList &>(i->get_sources()).push_back((obj.source/f).str());
 344 }