source/package.cpp

   1 #include <msp/strconv.h>
   2 #include <msp/strutils.h>
   3 #include "builder.h"
   4 #include "misc.h"
   5 #include "package.h"
   6
   7 using namespace std;
   8 using namespace Msp;
   9
  10 #include <iostream>
  11
  12 Package::Package(Builder &b, const string &n, const Path::Path &s):
  13         builder(b),
  14         name(n),
  15         buildable(true),
  16         source(s),
  17         build_info_ready(false)
  18 { }
  19
  20 void Package::set_path(const Msp::Path::Path &p)
  21 {
  22         path=builder.get_cwd()/p;
  23 }
  24
  25 void Package::resolve_refs()
  26 {
  27         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
  28                 i->resolve();
  29         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
  30                 i->resolve_refs();
  31 }
  32
  33 void Package::create_build_info()
  34 {
  35         if(build_info_ready)
  36                 return;
  37
  38         if(buildable)
  39         {
  40                 for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
  41                 {
  42                         Package *pkg=i->get_package();
  43                         if(!pkg)
  44                                 continue;
  45                         if(pkg->get_need_path())
  46                                 pkg->set_path(config.get_option(pkg->get_name()+"_path").value);
  47                         pkg->create_build_info();
  48                         build_info.add(pkg->get_exported_binfo());
  49                         export_binfo.add(pkg->get_exported_binfo());
  50                 }
  51
  52                 build_info.cflags.push_back("-Wall");
  53                 build_info.cflags.push_back("-Wshadow");
  54                 build_info.cflags.push_back("-Wextra");
  55                 build_info.cflags.push_back("-Wpointer-arith");
  56                 build_info.cflags.push_back("-Wconversion");
  57                 build_info.cflags.push_back("-Werror");
  58
  59                 unsigned flags=get_install_flags();
  60
  61                 if(flags&INCLUDE)
  62                         export_binfo.incpath.push_back((Path::Path(config.get_option("prefix").value)/"include").str());
  63                 if(flags&LIB)
  64                         export_binfo.libpath.push_back((Path::Path(config.get_option("prefix").value)/"lib").str());
  65
  66                 string optimize=config.get_option("optimize").value;
  67                 if(strtol(optimize))
  68                 {
  69                         build_info.cflags.push_back("-O"+optimize);
  70                         string cpu=config.get_option("cpu").value;
  71                         if(cpu!="auto")
  72                                 build_info.cflags.push_back("-march="+cpu);
  73                 }
  74
  75                 if(strtobool(config.get_option("debug").value))
  76                 {
  77                         build_info.cflags.push_back("-ggdb");
  78                         build_info.defines.push_back("DEBUG");
  79                 }
  80
  81                 build_info.unique();
  82
  83                 for(list<Component>::iterator i=components.begin(); i!=components.end(); ++i)
  84                 {
  85                         i->create_build_info();
  86                         if(i->get_type()==Component::LIBRARY)
  87                                 export_binfo.libs.push_back(i->get_name());
  88                 }
  89         }
  90         else if(name=="fmod4")
  91         {
  92                 export_binfo.libs.push_back("fmodex");
  93                 if(!path.empty())
  94                 {
  95                         export_binfo.libpath.push_back((path/"api"/"lib").str());
  96                         export_binfo.incpath.push_back((path/"api"/"inc").str());
  97                 }
  98         }
  99         export_binfo.unique();
 100
 101         build_info_ready=true;
 102 }
 103
 104 void Package::process_options(const RawOptionMap &opts)
 105 {
 106         if(config.process(opts))
 107                 config.save(source/".options.cache");
 108 }
 109
 110 Package *Package::create(Builder &b, const string &name)
 111 {
 112         list<string> argv;
 113         argv.push_back("pkg-config");
 114         argv.push_back("--silence-errors");
 115         argv.push_back("--cflags");
 116         argv.push_back("--libs");
 117         argv.push_back(name);
 118         vector<string> info=split(run_command(argv));
 119
 120         bool need_path=false;
 121         if(info.empty())
 122         {
 123                 if(name=="opengl")
 124                         info.push_back("-lGL");
 125                 else if(name=="pthread")
 126                         info.push_back("-lpthread");
 127                 else if(name=="gmpxx")
 128                         info.push_back("-lgmpxx");
 129                 else if(name=="fmod4")
 130                         need_path=true;
 131                 else
 132                         return 0;
 133         }
 134
 135         Package *pkg=new Package(b, name, info);
 136         pkg->need_path=need_path;
 137         return pkg;
 138 }
 139
 140 /*** private ***/
 141
 142 Package::Package(Builder &b, const string &n, const vector<string> &info):
 143         builder(b),
 144         name(n),
 145         buildable(false),
 146         build_info_ready(false)
 147 {
 148         for(vector<string>::const_iterator i=info.begin(); i!=info.end(); ++i)
 149         {
 150                 if(!i->compare(0, 2, "-I"))
 151                         export_binfo.incpath.push_back(i->substr(2));
 152                 else if(!i->compare(0, 2, "-D"))
 153                         export_binfo.defines.push_back(i->substr(2));
 154                 else if(!i->compare(0, 2, "-L"))
 155                         export_binfo.libpath.push_back(i->substr(2));
 156                 else if(!i->compare(0, 2, "-l"))
 157                         export_binfo.libs.push_back(i->substr(2));
 158         }
 159 }
 160
 161 void Package::init_buildable()
 162 {
 163         buildable=true;
 164
 165         config.add_option("tempdir",  "temp",   "Directory for storing temporary files");
 166         config.add_option("optimize", "0",      "Apply compiler optimizations");
 167         config.add_option("debug",    "0",      "Produce debugging symbols");
 168         config.add_option("cpu",      "auto",   "CPU type to optimize for");
 169         config.add_option("arch",     "native", "Architecture for cross-compiling");
 170
 171         const char *home=getenv("HOME");
 172         unsigned flags=get_install_flags();
 173         if(flags)
 174                 config.add_option("prefix",     string(home)+"/local"/*"/usr"*/,            "Installation prefix");
 175         /*if(flags&INCLUDE)
 176                 config.add_option("includedir", "$prefix/include", "Header installation directory");
 177         if(flags&BIN)
 178                 config.add_option("includedir", "$prefix/bin",     "Binary installation directory");
 179         if(flags&LIB)
 180                 config.add_option("includedir", "$prefix/lib",     "Library installation directory");
 181         if(flags&DATA)
 182                 config.add_option("includedir", "$prefix/share",   "Data installation directory");*/
 183
 184         for(PkgRefList::iterator i=requires.begin(); i!=requires.end(); ++i)
 185                 config.add_option(i->get_name()+"_path", "", "Path for "+i->get_name());
 186
 187         config.load(source/".options.cache");
 188 }
 189
 190 unsigned Package::get_install_flags()
 191 {
 192         unsigned flags=0;
 193         for(ComponentList::iterator i=components.begin(); i!=components.end(); ++i)
 194         {
 195                 if(i->get_install())
 196                 {
 197                         if(i->get_type()==Component::PROGRAM)
 198                                 flags|=BIN;
 199                         else if(i->get_type()==Component::LIBRARY || i->get_type()==Component::MODULE)
 200                                 flags|=LIB;
 201                 }
 202                 if(!i->get_install_headers().empty())
 203                         flags|=INCLUDE;
 204         }
 205
 206         return flags;
 207 }
 208
 209 Package::Loader::Loader(Package &p):
 210         pkg(p)
 211 {
 212         add("version",     &Package::version);
 213         add("description", &Package::description);
 214         add("require",     &Loader::require);
 215         add("program",     &Loader::program);
 216         add("library",     &Loader::library);
 217         add("headers",     &Loader::headers);
 218         add("build_info",  &Loader::build_info);
 219 }
 220
 221 Package::Loader::~Loader()
 222 {
 223         pkg.init_buildable();
 224 }
 225
 226 void Package::Loader::require(const string &n)
 227 {
 228         pkg.requires.push_back(PackageRef(pkg.builder, n));
 229 }
 230
 231 void Package::Loader::program(const string &n)
 232 {
 233         Component prog(pkg, Component::PROGRAM, n);
 234         load_sub(prog);
 235         pkg.components.push_back(prog);
 236 }
 237
 238 void Package::Loader::library(const string &n)
 239 {
 240         Component prog(pkg, Component::LIBRARY, n);
 241         load_sub(prog);
 242         pkg.components.push_back(prog);
 243 }
 244
 245 void Package::Loader::headers(const string &n)
 246 {
 247         Component prog(pkg, Component::HEADERS, n);
 248         load_sub(prog);
 249         pkg.components.push_back(prog);
 250 }
 251
 252 void Package::Loader::build_info()
 253 {
 254         load_sub(pkg.build_info);
 255 }