source/component.cpp

   1 #include <algorithm>
   2 #include <msp/fs/dir.h>
   3 #include <msp/fs/stat.h>
   4 #include <msp/fs/utils.h>
   5 #include <msp/io/print.h>
   6 #include <msp/strings/lexicalcast.h>
   7 #include "builder.h"
   8 #include "component.h"
   9 #include "datafile.h"
  10 #include "executable.h"
  11 #include "file.h"
  12 #include "header.h"
  13 #include "install.h"
  14 #include "objectfile.h"
  15 #include "sharedlibrary.h"
  16 #include "sourcepackage.h"
  17 #include "staticlibrary.h"
  18 #include "symlink.h"
  19 #include "tarball.h"
  20 #include "target.h"
  21
  22 using namespace std;
  23 using namespace Msp;
  24
  25 Component::Component(SourcePackage &p, Type t, const string &n):
  26         pkg(p),
  27         type(t),
  28         name(n),
  29         install(false),
  30         deflt(true)
  31 { }
  32
  33 void Component::configure(const StringMap &opts, unsigned flag)
  34 {
  35         for(StringList::iterator i=sources.begin(); i!=sources.end(); ++i)
  36                 *i = (pkg.get_source()/pkg.expand_string(*i)).str();
  37
  38         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  39                 (*i)->configure(opts, flag&2);
  40 }
  41
  42 void Component::create_build_info()
  43 {
  44         const PackageList &pkg_reqs = pkg.get_requires();
  45         PackageList direct_reqs = requires;
  46         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  47
  48         PackageList all_reqs = direct_reqs;
  49         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  50         {
  51                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  52                         build_info.add((*i)->get_exported_binfo());
  53                 else
  54                 {
  55                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  56                         build_info.cflags.insert(build_info.cflags.end(), ebi.cflags.begin(), ebi.cflags.end());
  57                         build_info.incpath.insert(build_info.incpath.end(), ebi.incpath.begin(), ebi.incpath.end());
  58                         build_info.defines.insert(build_info.defines.end(), ebi.defines.begin(), ebi.defines.end());
  59                 }
  60
  61                 const PackageList &reqs = (*i)->get_requires();
  62                 for(PackageList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  63                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  64                                 all_reqs.push_back(*j);
  65         }
  66
  67         build_info.add(pkg.get_build_info());
  68
  69         for(StringList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  70                 *i = (pkg.get_source() / *i).str();
  71         for(StringList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  72                 *i = (pkg.get_source() / *i).str();
  73
  74         if(pkg.get_library_mode()!=DYNAMIC)
  75         {
  76                 for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  77                 {
  78                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  79                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  80                 }
  81         }
  82
  83         if(type==PROGRAM)
  84         {
  85                 string strip = pkg.get_config().get_option("strip").value;
  86                 if(lexical_cast<bool>(strip))
  87                         build_info.ldflags.push_back("-s");
  88         }
  89         else if(type==LIBRARY)
  90         {
  91                 build_info.cflags.push_back("-fPIC");
  92         }
  93
  94         build_info.unique();
  95 }
  96
  97 void Component::create_targets() const
  98 {
  99         Builder &builder = pkg.get_builder();
 100         Target *world = builder.get_target("world");
 101         Target *def_tgt = builder.get_target("default");
 102
 103         PathList files = collect_source_files();
 104         list<FileTarget *> inst_list;
 105
 106         string inst_loc;
 107         if(type==TARBALL)
 108         {
 109                 string tarname = name;
 110                 if(name=="@src")
 111                         tarname = pkg.get_name()+"-"+pkg.get_version();
 112                 TarBall *result = new TarBall(builder, pkg, tarname);
 113
 114                 if(name=="@src")
 115                 {
 116                         const Builder::TargetMap &targets = builder.get_targets();
 117                         for(Builder::TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 118                                 if(i->second->get_package()==&pkg && !i->second->is_buildable())
 119                                         result->add_depend(i->second);
 120                         files.push_back(pkg.get_source()/"Build");
 121                 }
 122
 123                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 124                 {
 125                         FileTarget *ft;
 126                         if(Target *tgt = builder.get_target(i->str()))
 127                                 ft = dynamic_cast<FileTarget *>(tgt);
 128                         else
 129                                 ft = new File(builder, *i);
 130                         result->add_depend(ft);
 131                 }
 132
 133                 Target *tarbls_tgt = builder.get_target("tarballs");
 134                 tarbls_tgt->add_depend(result);
 135
 136                 return;
 137         }
 138         else if(type==INSTALL)
 139         {
 140                 inst_loc = name;
 141                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 142                 {
 143                         FileTarget *ft;
 144                         if(Target *tgt = builder.get_target(i->str()))
 145                                 ft = dynamic_cast<FileTarget *>(tgt);
 146                         else
 147                                 ft = new File(builder, pkg, *i);
 148                         inst_list.push_back(ft);
 149                 }
 150         }
 151         else if(type==DATAFILE)
 152         {
 153                 File *source;
 154                 if(Target *tgt = builder.get_target(files.front().str()))
 155                         source = dynamic_cast<File *>(tgt);
 156                 else
 157                         source = new File(builder, pkg, files.front());
 158                 ::DataFile *result = new ::DataFile(builder, *this, *source);
 159
 160                 if(&pkg==builder.get_main_package() && deflt)
 161                         def_tgt->add_depend(result);
 162                 else
 163                         world->add_depend(result);
 164                 if(install)
 165                         inst_list.push_back(result);
 166         }
 167         else
 168         {
 169                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 170                 {
 171                         string ext = FS::extpart(FS::basename(*i));
 172                         if(ext==".h")
 173                         {
 174                                 FileTarget *hdr = dynamic_cast<FileTarget *>(builder.get_target(i->str()));
 175                                 if(!hdr)
 176                                         hdr = new Header(builder, *this, i->str());
 177
 178                                 // Install headers if requested
 179                                 if(type==HEADERS && install)
 180                                         inst_list.push_back(hdr);
 181                         }
 182                 }
 183         }
 184
 185         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 186         {
 187                 list<ObjectFile *> objs;
 188                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 189                 {
 190                         string ext = FS::extpart(FS::basename(*i));
 191                         if((ext==".cpp" || ext==".cc" || ext==".c"))
 192                         {
 193                                 SourceFile *src = new SourceFile(builder, *this, i->str());
 194                                 ObjectFile *obj = new ObjectFile(builder, *this, *src);
 195                                 objs.push_back(obj);
 196                         }
 197                 }
 198
 199                 list<FileTarget *> results;
 200                 if(type==LIBRARY)
 201                 {
 202                         results.push_back(new SharedLibrary(builder, *this, objs));
 203                         results.push_back(new StaticLibrary(builder, *this, objs));
 204                 }
 205                 else
 206                         results.push_back(new Executable(builder, *this, objs));
 207
 208                 for(list<FileTarget *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 209                 {
 210                         if(&pkg==builder.get_main_package() && deflt)
 211                                 def_tgt->add_depend(*i);
 212                         else
 213                                 world->add_depend(*i);
 214                         if(install)
 215                                 inst_list.push_back(*i);
 216                 }
 217         }
 218
 219         Target *inst_tgt = builder.get_target("install");
 220         for(list<FileTarget *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 221         {
 222                 Install *inst = new Install(builder, pkg, **i, inst_loc);
 223                 inst_tgt->add_depend(inst);
 224
 225                 if(type==LIBRARY)
 226                         if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(*i))
 227                                 if(!shlib->get_soname().empty())
 228                                         inst_tgt->add_depend(new Symlink(builder, pkg, *inst, shlib->get_name()));
 229         }
 230 }
 231
 232 PathList Component::collect_source_files() const
 233 {
 234         PathList files;
 235         for(StringList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 236         {
 237                 FS::Path path(*i);
 238                 if(FS::is_dir(path))
 239                 {
 240                         list<string> sfiles = list_files(path);
 241                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 242                                 files.push_back(path / *j);
 243                 }
 244                 else
 245                         files.push_back(path);
 246         }
 247
 248         return files;
 249 }
 250
 251
 252 Component::Loader::Loader(Component &c):
 253         comp(c)
 254 {
 255         add("source",          &Loader::source);
 256         add("install",         &Component::install);
 257         add("install_headers", &Loader::install_headers);
 258         add("build_info",      &Loader::build_info);
 259         add("require",         &Loader::require);
 260         add("modular",         &Loader::modular);
 261         add("host",            &Loader::host);
 262         add("default",         &Component::deflt);
 263 }
 264
 265 void Component::Loader::finish()
 266 {
 267         if(!inst_hdr.empty())
 268         {
 269                 Component hdrcomp(comp.pkg, HEADERS, inst_hdr);
 270                 hdrcomp.sources = comp.sources;
 271                 hdrcomp.install = true;
 272                 const_cast<ComponentList &>(comp.pkg.get_components()).push_back(hdrcomp);
 273         }
 274 }
 275
 276 void Component::Loader::source(const string &s)
 277 {
 278         comp.sources.push_back(s);
 279 }
 280
 281 void Component::Loader::require(const string &n)
 282 {
 283         Package *req = comp.pkg.get_builder().get_package(n);
 284         if(req)
 285                 comp.requires.push_back(req);
 286 }
 287
 288 void Component::Loader::modular()
 289 {
 290         IO::print("%s: Note: modular is deprecated\n", get_source());
 291         comp.build_info.ldflags.push_back("-rdynamic");
 292         comp.build_info.libs.push_back("dl");
 293 }
 294
 295 void Component::Loader::host(const string &)
 296 {
 297         IO::print("%s: Note: host is deprecated\n", get_source());
 298 }
 299
 300 void Component::Loader::install_headers(const string &p)
 301 {
 302         IO::print("%s: Note: install_headers is deprecated\n", get_source());
 303         if(comp.type==HEADERS)
 304         {
 305                 comp.name = p;
 306                 comp.install = true;
 307         }
 308         else
 309                 inst_hdr = p;
 310 }
 311
 312 void Component::Loader::build_info()
 313 {
 314         load_sub(comp.build_info);
 315 }