source/binarypackage.cpp

   1 #include <algorithm>
   2 #include <msp/io/print.h>
   3 #include <msp/strings/utils.h>
   4 #include "binarypackage.h"
   5 #include "builder.h"
   6 #include "filetarget.h"
   7
   8 using namespace std;
   9 using namespace Msp;
  10
  11 BinaryPackage::BinaryPackage(Builder &b, const string &n):
  12         Package(b, n)
  13 {
  14         use_pkgconfig = false;
  15 }
  16
  17 void BinaryPackage::do_prepare()
  18 {
  19         bool has_relative_paths = false;
  20         for(BuildInfo::PathList::const_iterator i=export_binfo.libpath.begin(); (!has_relative_paths && i!=export_binfo.libpath.end()); ++i)
  21                 has_relative_paths = !i->is_absolute();
  22         for(BuildInfo::PathList::const_iterator i=export_binfo.incpath.begin(); (!has_relative_paths && i!=export_binfo.incpath.end()); ++i)
  23                 has_relative_paths = !i->is_absolute();
  24
  25         list<FS::Path> bases;
  26
  27         /* If we have any relative paths that need resolving, or we have no paths at
  28         all and are not using pkg-config, look for files in prefix */
  29         if(has_relative_paths || (!use_pkgconfig && export_binfo.libpath.empty() && export_binfo.incpath.empty()))
  30                 bases.push_back(builder.get_prefix());
  31
  32         // Always look in system locations
  33         bases.push_back(FS::Path());
  34
  35         bool system = false;
  36         for(list<FS::Path>::const_iterator i=bases.begin(); i!=bases.end(); ++i)
  37         {
  38                 FS::Path prefix = *i;
  39                 system = prefix.empty();
  40                 if(system)
  41                 {
  42                         prefix = "/usr";
  43                         const Architecture &arch = builder.get_current_arch();
  44                         if(arch.is_cross())
  45                                 prefix /= arch.get_cross_prefix();
  46                 }
  47
  48                 BuildInfo::PathList libpath = export_binfo.libpath;
  49                 if(!system && libpath.empty())
  50                         libpath.push_back("lib");
  51                 for(BuildInfo::PathList::iterator j=libpath.begin(); j!=libpath.end(); ++j)
  52                         *j = prefix/ *j;
  53
  54                 bool all_found = true;
  55                 for(BuildInfo::WordList::const_iterator j=export_binfo.libs.begin(); j!=export_binfo.libs.end(); ++j)
  56                         all_found &= (builder.get_vfs().find_library(*j, libpath, export_binfo.libmode, system)!=0);
  57
  58                 BuildInfo::PathList incpath = export_binfo.incpath;
  59                 if(!system && incpath.empty())
  60                         incpath.push_back("include");
  61                 for(BuildInfo::PathList::iterator j=incpath.begin(); j!=incpath.end(); ++j)
  62                         *j = prefix/ *j;
  63
  64                 for(HeaderList::const_iterator j=headers.begin(); j!=headers.end(); ++j)
  65                         all_found &= (builder.get_vfs().find_header(*j, 0, incpath, system)!=0);
  66
  67                 if(all_found)
  68                 {
  69                         base_path = prefix;
  70                         builder.get_logger().log("configure", format("%s found in %s", name, ((system && use_pkgconfig) ? "system" : base_path.str())));
  71                         break;
  72                 }
  73         }
  74
  75         if(base_path.empty())
  76         {
  77                 // TODO report which files were not found
  78                 problems.push_back("Cannot locate files");
  79                 return;
  80         }
  81
  82         /* Add default entries to paths if they're empty and the package was found
  83         in a non-system location */
  84         if(!system && export_binfo.incpath.empty())
  85                 export_binfo.incpath.push_back(base_path/"include");
  86         if(!system && export_binfo.libpath.empty())
  87                 export_binfo.libpath.push_back(base_path/"lib");
  88
  89         if(has_relative_paths)
  90         {
  91                 for(BuildInfo::PathList::iterator i=export_binfo.incpath.begin(); i!=export_binfo.incpath.end(); ++i)
  92                         *i = base_path/ *i;
  93                 for(BuildInfo::PathList::iterator i=export_binfo.libpath.begin(); i!=export_binfo.libpath.end(); ++i)
  94                         *i = base_path/ *i;
  95         }
  96
  97         if(!static_binfo.libs.empty())
  98         {
  99                 BuildInfo::PathList combined_libpath = static_binfo.libpath;
 100                 combined_libpath.insert(combined_libpath.end(), export_binfo.libpath.begin(), export_binfo.libpath.end());
 101
 102                 Target::Dependencies static_dep_libs;
 103                 for(BuildInfo::WordList::const_iterator i=static_binfo.libs.begin(); i!=static_binfo.libs.end(); ++i)
 104                         if(Target *lib = builder.get_vfs().find_library(*i, combined_libpath, BuildInfo::STATIC, system))
 105                                 static_dep_libs.push_back(lib);
 106
 107                 for(BuildInfo::WordList::const_iterator i=export_binfo.libs.begin(); i!=export_binfo.libs.end(); ++i)
 108                         if(Target *lib = builder.get_vfs().find_library(*i, export_binfo.libpath, BuildInfo::FORCE_STATIC, system))
 109                         {
 110                                 for(Target::Dependencies::const_iterator j=static_dep_libs.begin(); j!=static_dep_libs.end(); ++j)
 111                                         lib->add_transitive_dependency(**j);
 112                         }
 113         }
 114 }
 115
 116 BinaryPackage *BinaryPackage::from_flags(Builder &builder, const string &name, const Flags &flags, const Flags &static_flags)
 117 {
 118         BinaryPackage *pkg = new BinaryPackage(builder, name);
 119         pkg->use_pkgconfig = true;
 120
 121         process_flags(flags, pkg->export_binfo);
 122
 123         Flags exclusive_static_flags;
 124         for(Flags::const_iterator i=static_flags.begin(); i!=static_flags.end(); ++i)
 125                 if(find(flags.begin(), flags.end(), *i)==flags.end())
 126                         exclusive_static_flags.push_back(*i);
 127         process_flags(exclusive_static_flags, pkg->static_binfo);
 128
 129         return pkg;
 130 }
 131
 132 void BinaryPackage::process_flags(const Flags &flags, BuildInfo &binfo)
 133 {
 134         for(Flags::const_iterator i=flags.begin(); i!=flags.end(); ++i)
 135         {
 136                 if(!i->compare(0, 2, "-I"))
 137                         binfo.incpath.push_back(i->substr(2));
 138                 else if(!i->compare(0, 2, "-D"))
 139                 {
 140                         string::size_type equals = i->find('=');
 141                         if(equals!=string::npos)
 142                                 binfo.defines[i->substr(2, equals-2)] = i->substr(equals+1);
 143                         else
 144                                 binfo.defines[i->substr(2)] = string();
 145                 }
 146                 else if(!i->compare(0, 2, "-L"))
 147                         binfo.libpath.push_back(i->substr(2));
 148                 else if(!i->compare(0, 2, "-l"))
 149                         binfo.libs.push_back(i->substr(2));
 150                 else if(*i=="-pthread")
 151                         binfo.threads = true;
 152         }
 153 }
 154
 155
 156 BinaryPackage::Loader::Loader(BinaryPackage &p):
 157         DataFile::DerivedObjectLoader<BinaryPackage, Package::Loader>(p)
 158 {
 159         add("build_info", &Loader::build_info);
 160         add("header",     &Loader::header);
 161 }
 162
 163 void BinaryPackage::Loader::build_info()
 164 {
 165         load_sub(obj.export_binfo);
 166 }
 167
 168 void BinaryPackage::Loader::header(const string &h)
 169 {
 170         obj.headers.push_back(h);
 171 }