source/sourcepackage.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <iostream>
   9 #include <msp/strings/lexicalcast.h>
  10 #include <msp/strings/utils.h>
  11 #include "binarypackage.h"
  12 #include "builder.h"
  13 #include "misc.h"
  14 #include "sourcepackage.h"
  15
  16 using namespace std;
  17 using namespace Msp;
  18
  19 /**
  20 Creates a buildable package.
  21 */
  22 SourcePackage::SourcePackage(Builder &b, const string &n, const Path::Path &s):
  23         Package(b, n),
  24         source(s),
  25         config(*this),
  26         deps_cache(*this)
  27 {
  28         tar_files.push_back(source/"Build");
  29 }
  30
  31 Msp::Path::Path SourcePackage::get_temp_dir() const
  32 {
  33         return source/config.get_option("tempdir").value/config.get_option("profile").value;
  34 }
  35
  36 Msp::Path::Path SourcePackage::get_out_dir() const
  37 {
  38         return source/config.get_option("outdir").value;
  39 }
  40
  41 /**
  42 Checks which kinds of things the components of this package install.
  43
  44 @return  A bitmask of installed things
  45 */
  46 unsigned SourcePackage::get_install_flags()
  47 {
  48         unsigned flags=0;
  49         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  50         {
  51                 if(i->get_install())
  52                 {
  53                         if(i->get_type()==Component::PROGRAM)
  54                                 flags|=BIN;
  55                         else if(i->get_type()==Component::LIBRARY || i->get_type()==Component::MODULE)
  56                                 flags|=LIB;
  57                 }
  58                 if(!i->get_install_headers().empty())
  59                         flags|=INCLUDE;
  60         }
  61
  62         return flags;
  63 }
  64
  65 LibMode SourcePackage::get_library_mode() const
  66 {
  67         const string &mode=config.get_option("staticlibs").value;
  68         if(mode=="all")
  69                 return ALL_STATIC;
  70         else if(mode=="local")
  71                 return LOCAL_STATIC;
  72         else if(mode=="none")
  73                 return DYNAMIC;
  74         else
  75                 throw Exception("Unknown library mode");
  76 }
  77
  78 /**
  79 Tries to resolve all references to dependency packages.
  80 */
  81 void SourcePackage::resolve_refs()
  82 {
  83         Package::resolve_refs();
  84
  85         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
  86                 if(i->get_package())
  87                         all_reqs.push_back(i->get_package());
  88
  89         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  90         {
  91                 i->resolve_refs();
  92                 const PkgRefList &creqs=i->get_requires();
  93                 for(PkgRefList::const_iterator j=creqs.begin(); j!=creqs.end(); ++j)
  94                         if(j->get_package())
  95                                 all_reqs.push_back(j->get_package());
  96         }
  97
  98         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
  99         {
 100                 i->resolve_refs();
 101                 const PkgRefList &creqs=i->get_requires();
 102                 for(PkgRefList::const_iterator j=creqs.begin(); j!=creqs.end(); ++j)
 103                         if(j->get_package())
 104                                 all_reqs.push_back(j->get_package());
 105         }
 106 }
 107
 108 /*** private ***/
 109
 110 /**
 111 Processes configuration options that were most likely obtained from the command
 112 line.
 113 */
 114 void SourcePackage::do_configure(const StringMap &opts, unsigned flag)
 115 {
 116         init_config();
 117
 118         StringMap::const_iterator prof=opts.find("profile");
 119         if(prof!=opts.end() && flag)
 120                 config.select_profile(prof->second);
 121         else
 122                 config.select_last_profile();
 123
 124         if(flag && config.update(opts))
 125         {
 126                 if(builder.get_verbose()>=2)
 127                         cout<<"Configuration of "<<name<<" changed\n";
 128                 if(!builder.get_dry_run())
 129                         config.save();
 130         }
 131
 132         config.finish();
 133
 134         for(ConditionList::iterator i=conditions.begin(); i!=conditions.end(); ++i)
 135                 if(i->eval())
 136                 {
 137                         const PkgRefList &reqs=i->get_requires();
 138                         requires.insert(requires.end(), reqs.begin(), reqs.end());
 139                         build_info.add(i->get_build_info());
 140                 }
 141
 142         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 143         {
 144                 BinaryPackage *bpkg=dynamic_cast<BinaryPackage *>(*i);
 145                 if(bpkg && bpkg->get_need_path())
 146                         bpkg->set_path(config.get_option(bpkg->get_name()+"_path").value);
 147         }
 148
 149         deps_cache.load();
 150
 151         for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 152                 (*i)->configure(opts, flag&2);
 153 }
 154
 155 /**
 156 Initializes configuration options.
 157 */
 158 void SourcePackage::init_config()
 159 {
 160         config.add_option("profile",    "default", "Configuration profile");
 161         config.add_option("tempdir",    "temp",    "Directory for storing temporary files");
 162         config.add_option("outdir",     ".",       "Directory to put build results in");
 163         config.add_option("optimize",   "0",       "Apply compiler optimizations");
 164         config.add_option("strip",      "0",       "Strip symbols from programs");
 165         config.add_option("debug",      "0",       "Produce debugging symbols");
 166         config.add_option("cpu",        "auto",    "CPU type to optimize for");
 167         config.add_option("arch",       "native",  "Architecture for cross-compiling");
 168         config.add_option("staticlibs", "local",   "Use static libraries");
 169
 170         unsigned flags=get_install_flags();
 171         if(flags)
 172                 config.add_option("prefix",     "$HOME/local",     "Installation prefix");
 173         /*if(flags&INCLUDE)
 174                 config.add_option("includedir", "$prefix/include", "Header installation directory");
 175         if(flags&BIN)
 176                 config.add_option("includedir", "$prefix/bin",     "Binary installation directory");
 177         if(flags&LIB)
 178                 config.add_option("includedir", "$prefix/lib",     "Library installation directory");
 179         if(flags&DATA)
 180                 config.add_option("includedir", "$prefix/share",   "Data installation directory");*/
 181
 182         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 183                 config.add_option("with_"+i->name, "0", i->descr);
 184
 185         for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 186         {
 187                 BinaryPackage *bpkg=dynamic_cast<BinaryPackage *>(*i);
 188                 if(bpkg && bpkg->get_need_path())
 189                         config.add_option(bpkg->get_name()+"_path", "", "Path for "+bpkg->get_name());
 190         }
 191 }
 192
 193 /**
 194 Fills in build info based on configuration.  All required packages must be
 195 configured when this is called.
 196 */
 197 void SourcePackage::create_build_info()
 198 {
 199         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
 200         {
 201                 Package *pkg=i->get_package();
 202                 if(!pkg)
 203                         continue;
 204                 const BuildInfo &ebi=pkg->get_exported_binfo();
 205                 build_info.add(ebi);
 206
 207                 export_binfo.cflags.insert(export_binfo.cflags.end(), ebi.cflags.begin(), ebi.cflags.end());
 208                 export_binfo.incpath.insert(export_binfo.incpath.end(), ebi.incpath.begin(), ebi.incpath.end());
 209                 export_binfo.defines.insert(export_binfo.defines.end(), ebi.defines.begin(), ebi.defines.end());
 210         }
 211
 212         build_info.cflags.push_back("-Wall");
 213         build_info.cflags.push_back("-Wshadow");
 214         build_info.cflags.push_back("-Wextra");
 215         build_info.cflags.push_back("-Wpointer-arith");
 216         build_info.cflags.push_back("-Wconversion");
 217         build_info.cflags.push_back("-Werror");
 218
 219         unsigned flags=get_install_flags();
 220
 221         if(flags&INCLUDE)
 222                 export_binfo.incpath.push_back((Path::Path(config.get_option("prefix").value)/"include").str());
 223         if(flags&LIB)
 224                 export_binfo.libpath.push_back((Path::Path(config.get_option("prefix").value)/"lib").str());
 225
 226         string optimize=config.get_option("optimize").value;
 227         if(lexical_cast<unsigned>(optimize))
 228         {
 229                 build_info.cflags.push_back("-O"+optimize);
 230                 build_info.ldflags.push_back("-O"+optimize);
 231                 string cpu=config.get_option("cpu").value;
 232                 if(cpu!="auto")
 233                         build_info.cflags.push_back("-march="+cpu);
 234         }
 235
 236         if(lexical_cast<bool>(config.get_option("debug").value))
 237         {
 238                 build_info.cflags.push_back("-ggdb");
 239                 build_info.defines.push_back("DEBUG");
 240         }
 241
 242         for(FeatureList::iterator i=features.begin(); i!=features.end(); ++i)
 243                 if(lexical_cast<bool>(config.get_option("with_"+i->name).value))
 244                         build_info.cflags.push_back("-DWITH_"+toupper(i->name));
 245
 246         build_info.unique();
 247
 248         for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
 249         {
 250                 i->create_build_info();
 251                 if(i->get_type()==Component::LIBRARY)
 252                         export_binfo.libs.push_back(i->get_name());
 253         }
 254
 255         export_binfo.unique();
 256 }
 257
 258
 259 SourcePackage::Loader::Loader(Package &p):
 260         Package::Loader(p)
 261 {
 262         add("version",     &SourcePackage::version);
 263         add("description", &SourcePackage::description);
 264         add("build_info",  &Loader::build_info);
 265         add("feature",     &Loader::feature);
 266         add("if",          &Loader::condition);
 267         add("program",     &Loader::program);
 268         add("library",     &Loader::library);
 269         add("module",      &Loader::module);
 270         add("headers",     &Loader::headers);
 271         add("tar_file",    &Loader::tar_file);
 272 }
 273
 274 void SourcePackage::Loader::feature(const string &n, const string &d)
 275 {
 276         static_cast<SourcePackage &>(pkg).features.push_back(Feature(n, d));
 277 }
 278
 279 void SourcePackage::Loader::condition(const string &c)
 280 {
 281         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 282         Condition cond(spkg, c);
 283         load_sub(cond);
 284         spkg.conditions.push_back(cond);
 285 }
 286
 287 void SourcePackage::Loader::program(const string &n)
 288 {
 289         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 290         Component prog(spkg, Component::PROGRAM, n);
 291         load_sub(prog);
 292         spkg.components.push_back(prog);
 293 }
 294
 295 void SourcePackage::Loader::library(const string &n)
 296 {
 297         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 298         Component prog(spkg, Component::LIBRARY, n);
 299         load_sub(prog);
 300         spkg.components.push_back(prog);
 301 }
 302
 303 void SourcePackage::Loader::module(const string &n)
 304 {
 305         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 306         Component prog(spkg, Component::MODULE, n);
 307         load_sub(prog);
 308         spkg.components.push_back(prog);
 309 }
 310
 311 void SourcePackage::Loader::headers(const string &n)
 312 {
 313         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 314         Component prog(spkg, Component::HEADERS, n);
 315         load_sub(prog);
 316         spkg.components.push_back(prog);
 317 }
 318
 319 void SourcePackage::Loader::build_info()
 320 {
 321         load_sub(static_cast<SourcePackage &>(pkg).build_info);
 322 }
 323
 324 void SourcePackage::Loader::tar_file(const string &f)
 325 {
 326         SourcePackage &spkg=static_cast<SourcePackage &>(pkg);
 327         spkg.tar_files.push_back(spkg.source/f);
 328 }