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