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