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