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