source/component.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <algorithm>
   9 #include <msp/core/except.h>
  10 #include <msp/fs/dir.h>
  11 #include <msp/fs/stat.h>
  12 #include <msp/fs/utils.h>
  13 #include <msp/io/print.h>
  14 #include <msp/strings/lexicalcast.h>
  15 #include "builder.h"
  16 #include "component.h"
  17 #include "datafile.h"
  18 #include "executable.h"
  19 #include "file.h"
  20 #include "header.h"
  21 #include "install.h"
  22 #include "objectfile.h"
  23 #include "sharedlibrary.h"
  24 #include "sourcepackage.h"
  25 #include "staticlibrary.h"
  26 #include "symlink.h"
  27 #include "tarball.h"
  28 #include "target.h"
  29
  30 using namespace std;
  31 using namespace Msp;
  32
  33 Component::Component(SourcePackage &p, Type t, const string &n):
  34         pkg(p),
  35         type(t),
  36         name(n),
  37         install(false),
  38         module_host(0),
  39         modular(false),
  40         deflt(true)
  41 { }
  42
  43 void Component::create_build_info()
  44 {
  45         const PackageList &pkg_reqs = pkg.get_requires();
  46         PackageList direct_reqs = requires;
  47         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  48
  49         PackageList all_reqs = direct_reqs;
  50         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  51         {
  52                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  53                         build_info.add((*i)->get_exported_binfo());
  54                 else
  55                 {
  56                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  57                         build_info.cflags.insert(build_info.cflags.end(), ebi.cflags.begin(), ebi.cflags.end());
  58                         build_info.incpath.insert(build_info.incpath.end(), ebi.incpath.begin(), ebi.incpath.end());
  59                         build_info.defines.insert(build_info.defines.end(), ebi.defines.begin(), ebi.defines.end());
  60                 }
  61
  62                 const PackageList &reqs = (*i)->get_requires();
  63                 for(PackageList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  64                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  65                                 all_reqs.push_back(*j);
  66         }
  67
  68         build_info.add(pkg.get_build_info());
  69
  70         for(StringList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  71                 *i = (pkg.get_source() / *i).str();
  72         for(StringList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  73                 *i = (pkg.get_source() / *i).str();
  74
  75         if(pkg.get_library_mode()!=DYNAMIC)
  76         {
  77                 for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  78                 {
  79                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  80                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  81                 }
  82         }
  83
  84         if(type==PROGRAM)
  85         {
  86                 string strip = pkg.get_config().get_option("strip").value;
  87                 if(lexical_cast<bool>(strip))
  88                         build_info.ldflags.push_back("-s");
  89         }
  90         else if(type==LIBRARY)
  91         {
  92                 build_info.cflags.push_back("-fPIC");
  93         }
  94
  95         if(modular)
  96         {
  97                 build_info.ldflags.push_back("-rdynamic");
  98                 build_info.libs.push_back("dl");
  99         }
 100         else if(module_host)
 101         {
 102                 const PathList &host_src = module_host->get_sources();
 103                 for(PathList::const_iterator i=host_src.begin(); i!=host_src.end(); ++i)
 104                         build_info.incpath.push_back(i->str());
 105         }
 106
 107         build_info.unique();
 108 }
 109
 110 void Component::create_targets() const
 111 {
 112         Builder &builder = pkg.get_builder();
 113         Target *world = builder.get_target("world");
 114         Target *def_tgt = builder.get_target("default");
 115
 116         PathList files = collect_source_files();
 117         list<FileTarget *> inst_list;
 118
 119         string inst_loc;
 120         if(type==TARBALL)
 121         {
 122                 string tarname = name;
 123                 if(name=="@src")
 124                         tarname = pkg.get_name()+"-"+pkg.get_version();
 125                 TarBall *result = new TarBall(builder, pkg, tarname);
 126
 127                 if(name=="@src")
 128                 {
 129                         const TargetMap &targets = builder.get_targets();
 130                         for(TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 131                                 if(i->second->get_package()==&pkg && !i->second->is_buildable())
 132                                         result->add_depend(i->second);
 133                         files.push_back(pkg.get_source()/"Build");
 134                 }
 135
 136                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 137                 {
 138                         FileTarget *ft;
 139                         if(Target *tgt = builder.get_target(i->str()))
 140                                 ft = dynamic_cast<FileTarget *>(tgt);
 141                         else
 142                                 ft = new File(builder, *i);
 143                         result->add_depend(ft);
 144                 }
 145
 146                 Target *tarbls_tgt = builder.get_target("tarballs");
 147                 tarbls_tgt->add_depend(result);
 148
 149                 return;
 150         }
 151         else if(type==INSTALL)
 152         {
 153                 inst_loc = name;
 154                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 155                 {
 156                         FileTarget *ft;
 157                         if(Target *tgt = builder.get_target(i->str()))
 158                                 ft = dynamic_cast<FileTarget *>(tgt);
 159                         else
 160                                 ft = new File(builder, pkg, *i);
 161                         inst_list.push_back(ft);
 162                 }
 163         }
 164         else if(type==DATAFILE)
 165         {
 166                 File *source;
 167                 if(Target *tgt = builder.get_target(files.front().str()))
 168                         source = dynamic_cast<File *>(tgt);
 169                 else
 170                         source = new File(builder, pkg, files.front());
 171                 ::DataFile *result = new ::DataFile(builder, *this, *source);
 172
 173                 if(&pkg==builder.get_main_package() && deflt)
 174                         def_tgt->add_depend(result);
 175                 else
 176                         world->add_depend(result);
 177                 if(install)
 178                         inst_list.push_back(result);
 179         }
 180         else
 181         {
 182                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 183                 {
 184                         string ext = FS::extpart(FS::basename(*i));
 185                         if(ext==".h")
 186                         {
 187                                 FileTarget *hdr = dynamic_cast<FileTarget *>(builder.get_target(i->str()));
 188                                 if(!hdr)
 189                                         hdr = new Header(builder, *this, i->str());
 190
 191                                 // Install headers if requested
 192                                 if(type==HEADERS && install)
 193                                         inst_list.push_back(hdr);
 194                         }
 195                 }
 196         }
 197
 198         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 199         {
 200                 list<ObjectFile *> objs;
 201                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 202                 {
 203                         string ext = FS::extpart(FS::basename(*i));
 204                         if((ext==".cpp" || ext==".cc" || ext==".c"))
 205                         {
 206                                 SourceFile *src = new SourceFile(builder, *this, i->str());
 207                                 ObjectFile *obj = new ObjectFile(builder, *this, *src);
 208                                 objs.push_back(obj);
 209                         }
 210                 }
 211
 212                 list<FileTarget *> results;
 213                 if(type==LIBRARY)
 214                 {
 215                         results.push_back(new SharedLibrary(builder, *this, objs));
 216                         results.push_back(new StaticLibrary(builder, *this, objs));
 217                 }
 218                 else
 219                         results.push_back(new Executable(builder, *this, objs));
 220
 221                 for(list<FileTarget *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 222                 {
 223                         if(&pkg==builder.get_main_package() && deflt)
 224                                 def_tgt->add_depend(*i);
 225                         else
 226                                 world->add_depend(*i);
 227                         if(install)
 228                                 inst_list.push_back(*i);
 229                 }
 230         }
 231
 232         Target *inst_tgt = builder.get_target("install");
 233         for(list<FileTarget *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 234         {
 235                 Install *inst = new Install(builder, pkg, **i, inst_loc);
 236                 inst_tgt->add_depend(inst);
 237
 238                 if(type==LIBRARY)
 239                         if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(*i))
 240                                 inst_tgt->add_depend(new Symlink(builder, pkg, *inst, shlib->get_name()));
 241         }
 242 }
 243
 244 PathList Component::collect_source_files() const
 245 {
 246         PathList files;
 247         for(PathList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 248         {
 249                 if(FS::is_dir(*i))
 250                 {
 251                         list<string> sfiles = list_files(*i);
 252                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 253                                 files.push_back(*i / *j);
 254                 }
 255                 else
 256                         files.push_back(*i);
 257         }
 258
 259         return files;
 260 }
 261
 262
 263 Component::Loader::Loader(Component &c):
 264         comp(c)
 265 {
 266         add("source",          &Loader::source);
 267         add("install",         &Component::install);
 268         add("install_headers", &Loader::install_headers);
 269         add("build_info",      &Loader::build_info);
 270         add("require",         &Loader::require);
 271         add("modular",         &Loader::modular);
 272         add("host",            &Loader::host);
 273         add("default",         &Component::deflt);
 274 }
 275
 276 void Component::Loader::finish()
 277 {
 278         if(!inst_hdr.empty())
 279         {
 280                 Component hdrcomp(comp.pkg, HEADERS, inst_hdr);
 281                 hdrcomp.sources = comp.sources;
 282                 hdrcomp.install = true;
 283                 const_cast<ComponentList &>(comp.pkg.get_components()).push_back(hdrcomp);
 284         }
 285 }
 286
 287 void Component::Loader::source(const string &s)
 288 {
 289         comp.sources.push_back(comp.pkg.get_source()/s);
 290 }
 291
 292 void Component::Loader::require(const string &n)
 293 {
 294         Package *req = comp.pkg.get_builder().get_package(n);
 295         if(req)
 296                 comp.requires.push_back(req);
 297 }
 298
 299 void Component::Loader::modular()
 300 {
 301         if(comp.type!=PROGRAM)
 302                 throw Exception("Only programs can be modular");
 303         comp.modular = true;
 304 }
 305
 306 void Component::Loader::host(const string &n)
 307 {
 308         const ComponentList &comps = comp.pkg.get_components();
 309         for(ComponentList::const_iterator i=comps.begin(); i!=comps.end(); ++i)
 310                 if(i->get_name()==n)
 311                 {
 312                         if(i->get_type()!=PROGRAM || !i->is_modular())
 313                                 throw Exception("Module host must be a modular program");
 314                         comp.module_host = &*i;
 315                         return;
 316                 }
 317
 318         throw KeyError("Unknown component", n);
 319 }
 320
 321 void Component::Loader::install_headers(const string &p)
 322 {
 323         IO::print("%s: Note: install_headers is deprecated\n", get_source());
 324         if(comp.type==HEADERS)
 325         {
 326                 comp.name = p;
 327                 comp.install = true;
 328         }
 329         else
 330                 inst_hdr = p;
 331 }
 332
 333 void Component::Loader::build_info()
 334 {
 335         load_sub(comp.build_info);
 336 }