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