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