source/binarypackage.cpp

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