source/gnuarchiver.cpp

   1 #include <msp/fs/dir.h>
   2 #include <msp/fs/stat.h>
   3 #include <msp/fs/utils.h>
   4 #include <stdexcept>
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "externaltask.h"
   8 #include "gnuarchiver.h"
   9 #include "objectfile.h"
  10 #include "sourcepackage.h"
  11 #include "staticlibrary.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 GnuArchiver::GnuArchiver(Builder &b):
  17         Tool(b, "AR")
  18 {
  19         executable = builder.get_vfs().find_binary("ar");
  20
  21         input_suffixes.push_back(".o");
  22 }
  23
  24 Target *GnuArchiver::create_target(const list<Target *> &sources, const string &) const
  25 {
  26         if(sources.empty())
  27                 throw invalid_argument("GnuArchiver::create_target");
  28
  29         list<ObjectFile *> objs;
  30         for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  31         {
  32                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  33                         objs.push_back(obj);
  34                 else
  35                         throw invalid_argument("GnuArchiver::create_target");
  36         }
  37
  38         const Component &comp = objs.front()->get_component();
  39         StaticLibrary *lib = new StaticLibrary(builder, comp, objs);
  40         lib->set_tool(*this);
  41         return lib;
  42 }
  43
  44 Task *GnuArchiver::run(const Target &target) const
  45 {
  46         const StaticLibrary &lib = dynamic_cast<const StaticLibrary &>(target);
  47         const Component &comp = *lib.get_component();
  48
  49         vector<string> argv;
  50         argv.push_back(executable->get_path().str());
  51         argv.push_back("rc");
  52
  53         FS::Path work_dir = comp.get_package().get_source();
  54
  55         argv.push_back(relative(lib.get_path(), work_dir).str());
  56
  57         const Target::Dependencies &deps = lib.get_depends();
  58         for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  59                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  60                         argv.push_back(relative(obj->get_path(), work_dir).str());
  61
  62         if(!builder.get_dry_run())
  63         {
  64                 FS::mkpath(FS::dirname(lib.get_path()), 0755);
  65                 if(FS::exists(lib.get_path()))
  66                         FS::unlink(lib.get_path());
  67         }
  68
  69         return new ExternalTask(argv, work_dir);
  70 }