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::configure(const StringMap &opts, unsigned flag)
  44 {
  45         for(StringList::iterator i=sources.begin(); i!=sources.end(); ++i)
  46                 *i = (pkg.get_source()/pkg.expand_string(*i)).str();
  47
  48         for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
  49                 (*i)->configure(opts, flag&2);
  50 }
  51
  52 void Component::create_build_info()
  53 {
  54         const PackageList &pkg_reqs = pkg.get_requires();
  55         PackageList direct_reqs = requires;
  56         direct_reqs.insert(direct_reqs.end(), pkg_reqs.begin(), pkg_reqs.end());
  57
  58         PackageList all_reqs = direct_reqs;
  59         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  60         {
  61                 if(find(direct_reqs.begin(), direct_reqs.end(), *i)!=direct_reqs.end())
  62                         build_info.add((*i)->get_exported_binfo());
  63                 else
  64                 {
  65                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  66                         build_info.cflags.insert(build_info.cflags.end(), ebi.cflags.begin(), ebi.cflags.end());
  67                         build_info.incpath.insert(build_info.incpath.end(), ebi.incpath.begin(), ebi.incpath.end());
  68                         build_info.defines.insert(build_info.defines.end(), ebi.defines.begin(), ebi.defines.end());
  69                 }
  70
  71                 const PackageList &reqs = (*i)->get_requires();
  72                 for(PackageList::const_iterator j=reqs.begin(); j!=reqs.end(); ++j)
  73                         if(find(all_reqs.begin(), all_reqs.end(), *j)==all_reqs.end())
  74                                 all_reqs.push_back(*j);
  75         }
  76
  77         build_info.add(pkg.get_build_info());
  78
  79         for(StringList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  80                 *i = (pkg.get_source() / *i).str();
  81         for(StringList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  82                 *i = (pkg.get_source() / *i).str();
  83
  84         if(pkg.get_library_mode()!=DYNAMIC)
  85         {
  86                 for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
  87                 {
  88                         const BuildInfo &ebi = (*i)->get_exported_binfo();
  89                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  90                 }
  91         }
  92
  93         if(type==PROGRAM)
  94         {
  95                 string strip = pkg.get_config().get_option("strip").value;
  96                 if(lexical_cast<bool>(strip))
  97                         build_info.ldflags.push_back("-s");
  98         }
  99         else if(type==LIBRARY)
 100         {
 101                 build_info.cflags.push_back("-fPIC");
 102         }
 103
 104         if(modular)
 105         {
 106                 build_info.ldflags.push_back("-rdynamic");
 107                 build_info.libs.push_back("dl");
 108         }
 109         else if(module_host)
 110         {
 111                 const StringList &host_src = module_host->get_sources();
 112                 for(StringList::const_iterator i=host_src.begin(); i!=host_src.end(); ++i)
 113                         build_info.incpath.push_back(*i);
 114         }
 115
 116         build_info.unique();
 117 }
 118
 119 void Component::create_targets() const
 120 {
 121         Builder &builder = pkg.get_builder();
 122         Target *world = builder.get_target("world");
 123         Target *def_tgt = builder.get_target("default");
 124
 125         PathList files = collect_source_files();
 126         list<FileTarget *> inst_list;
 127
 128         string inst_loc;
 129         if(type==TARBALL)
 130         {
 131                 string tarname = name;
 132                 if(name=="@src")
 133                         tarname = pkg.get_name()+"-"+pkg.get_version();
 134                 TarBall *result = new TarBall(builder, pkg, tarname);
 135
 136                 if(name=="@src")
 137                 {
 138                         const TargetMap &targets = builder.get_targets();
 139                         for(TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 140                                 if(i->second->get_package()==&pkg && !i->second->is_buildable())
 141                                         result->add_depend(i->second);
 142                         files.push_back(pkg.get_source()/"Build");
 143                 }
 144
 145                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 146                 {
 147                         FileTarget *ft;
 148                         if(Target *tgt = builder.get_target(i->str()))
 149                                 ft = dynamic_cast<FileTarget *>(tgt);
 150                         else
 151                                 ft = new File(builder, *i);
 152                         result->add_depend(ft);
 153                 }
 154
 155                 Target *tarbls_tgt = builder.get_target("tarballs");
 156                 tarbls_tgt->add_depend(result);
 157
 158                 return;
 159         }
 160         else if(type==INSTALL)
 161         {
 162                 inst_loc = name;
 163                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 164                 {
 165                         FileTarget *ft;
 166                         if(Target *tgt = builder.get_target(i->str()))
 167                                 ft = dynamic_cast<FileTarget *>(tgt);
 168                         else
 169                                 ft = new File(builder, pkg, *i);
 170                         inst_list.push_back(ft);
 171                 }
 172         }
 173         else if(type==DATAFILE)
 174         {
 175                 File *source;
 176                 if(Target *tgt = builder.get_target(files.front().str()))
 177                         source = dynamic_cast<File *>(tgt);
 178                 else
 179                         source = new File(builder, pkg, files.front());
 180                 ::DataFile *result = new ::DataFile(builder, *this, *source);
 181
 182                 if(&pkg==builder.get_main_package() && deflt)
 183                         def_tgt->add_depend(result);
 184                 else
 185                         world->add_depend(result);
 186                 if(install)
 187                         inst_list.push_back(result);
 188         }
 189         else
 190         {
 191                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 192                 {
 193                         string ext = FS::extpart(FS::basename(*i));
 194                         if(ext==".h")
 195                         {
 196                                 FileTarget *hdr = dynamic_cast<FileTarget *>(builder.get_target(i->str()));
 197                                 if(!hdr)
 198                                         hdr = new Header(builder, *this, i->str());
 199
 200                                 // Install headers if requested
 201                                 if(type==HEADERS && install)
 202                                         inst_list.push_back(hdr);
 203                         }
 204                 }
 205         }
 206
 207         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 208         {
 209                 list<ObjectFile *> objs;
 210                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 211                 {
 212                         string ext = FS::extpart(FS::basename(*i));
 213                         if((ext==".cpp" || ext==".cc" || ext==".c"))
 214                         {
 215                                 SourceFile *src = new SourceFile(builder, *this, i->str());
 216                                 ObjectFile *obj = new ObjectFile(builder, *this, *src);
 217                                 objs.push_back(obj);
 218                         }
 219                 }
 220
 221                 list<FileTarget *> results;
 222                 if(type==LIBRARY)
 223                 {
 224                         results.push_back(new SharedLibrary(builder, *this, objs));
 225                         results.push_back(new StaticLibrary(builder, *this, objs));
 226                 }
 227                 else
 228                         results.push_back(new Executable(builder, *this, objs));
 229
 230                 for(list<FileTarget *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 231                 {
 232                         if(&pkg==builder.get_main_package() && deflt)
 233                                 def_tgt->add_depend(*i);
 234                         else
 235                                 world->add_depend(*i);
 236                         if(install)
 237                                 inst_list.push_back(*i);
 238                 }
 239         }
 240
 241         Target *inst_tgt = builder.get_target("install");
 242         for(list<FileTarget *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 243         {
 244                 Install *inst = new Install(builder, pkg, **i, inst_loc);
 245                 inst_tgt->add_depend(inst);
 246
 247                 if(type==LIBRARY)
 248                         if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(*i))
 249                                 if(!shlib->get_soname().empty())
 250                                         inst_tgt->add_depend(new Symlink(builder, pkg, *inst, shlib->get_name()));
 251         }
 252 }
 253
 254 PathList Component::collect_source_files() const
 255 {
 256         PathList files;
 257         for(StringList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 258         {
 259                 FS::Path path(*i);
 260                 if(FS::is_dir(path))
 261                 {
 262                         list<string> sfiles = list_files(path);
 263                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 264                                 files.push_back(path / *j);
 265                 }
 266                 else
 267                         files.push_back(path);
 268         }
 269
 270         return files;
 271 }
 272
 273
 274 Component::Loader::Loader(Component &c):
 275         comp(c)
 276 {
 277         add("source",          &Loader::source);
 278         add("install",         &Component::install);
 279         add("install_headers", &Loader::install_headers);
 280         add("build_info",      &Loader::build_info);
 281         add("require",         &Loader::require);
 282         add("modular",         &Loader::modular);
 283         add("host",            &Loader::host);
 284         add("default",         &Component::deflt);
 285 }
 286
 287 void Component::Loader::finish()
 288 {
 289         if(!inst_hdr.empty())
 290         {
 291                 Component hdrcomp(comp.pkg, HEADERS, inst_hdr);
 292                 hdrcomp.sources = comp.sources;
 293                 hdrcomp.install = true;
 294                 const_cast<ComponentList &>(comp.pkg.get_components()).push_back(hdrcomp);
 295         }
 296 }
 297
 298 void Component::Loader::source(const string &s)
 299 {
 300         comp.sources.push_back(s);
 301 }
 302
 303 void Component::Loader::require(const string &n)
 304 {
 305         Package *req = comp.pkg.get_builder().get_package(n);
 306         if(req)
 307                 comp.requires.push_back(req);
 308 }
 309
 310 void Component::Loader::modular()
 311 {
 312         if(comp.type!=PROGRAM)
 313                 throw Exception("Only programs can be modular");
 314         comp.modular = true;
 315 }
 316
 317 void Component::Loader::host(const string &n)
 318 {
 319         const ComponentList &comps = comp.pkg.get_components();
 320         for(ComponentList::const_iterator i=comps.begin(); i!=comps.end(); ++i)
 321                 if(i->get_name()==n)
 322                 {
 323                         if(i->get_type()!=PROGRAM || !i->is_modular())
 324                                 throw Exception("Module host must be a modular program");
 325                         comp.module_host = &*i;
 326                         return;
 327                 }
 328
 329         throw KeyError("Unknown component", n);
 330 }
 331
 332 void Component::Loader::install_headers(const string &p)
 333 {
 334         IO::print("%s: Note: install_headers is deprecated\n", get_source());
 335         if(comp.type==HEADERS)
 336         {
 337                 comp.name = p;
 338                 comp.install = true;
 339         }
 340         else
 341                 inst_hdr = p;
 342 }
 343
 344 void Component::Loader::build_info()
 345 {
 346         load_sub(comp.build_info);
 347 }