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