source/gnuarchiver.cpp

   1 #include <msp/fs/dir.h>
   2 #include <msp/fs/stat.h>
   3 #include <msp/fs/utils.h>
   4 #include <msp/strings/format.h>
   5 #include <stdexcept>
   6 #include "builder.h"
   7 #include "component.h"
   8 #include "externaltask.h"
   9 #include "gnuarchiver.h"
  10 #include "objectfile.h"
  11 #include "sourcepackage.h"
  12 #include "staticlibrary.h"
  13
  14 using namespace std;
  15 using namespace Msp;
  16
  17 GnuArchiver::GnuArchiver(Builder &b, const Architecture &a):
  18         Tool(b, a, "AR")
  19 {
  20         string command = "ar";
  21         if(architecture->is_cross())
  22                 command = format("%s-%s", architecture->get_cross_prefix(), command);
  23         executable = builder.get_vfs().find_binary(command);
  24
  25         input_suffixes.push_back(".o");
  26 }
  27
  28 Target *GnuArchiver::create_target(const list<Target *> &sources, const string &) const
  29 {
  30         if(sources.empty())
  31                 throw invalid_argument("GnuArchiver::create_target");
  32
  33         list<ObjectFile *> objs;
  34         for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  35         {
  36                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  37                         objs.push_back(obj);
  38                 else
  39                         throw invalid_argument("GnuArchiver::create_target");
  40         }
  41
  42         const Component &comp = objs.front()->get_component();
  43         StaticLibrary *lib = new StaticLibrary(builder, comp, objs);
  44         lib->set_tool(*this);
  45         return lib;
  46 }
  47
  48 Task *GnuArchiver::run(const Target &target) const
  49 {
  50         const StaticLibrary &lib = dynamic_cast<const StaticLibrary &>(target);
  51         const Component &comp = *lib.get_component();
  52
  53         vector<string> argv;
  54         argv.push_back(executable->get_path().str());
  55         argv.push_back("rc");
  56
  57         FS::Path work_dir = comp.get_package().get_source();
  58
  59         argv.push_back(relative(lib.get_path(), work_dir).str());
  60
  61         const Target::Dependencies &deps = lib.get_depends();
  62         for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  63                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  64                         argv.push_back(relative(obj->get_path(), work_dir).str());
  65
  66         if(!builder.get_dry_run())
  67         {
  68                 FS::mkpath(FS::dirname(lib.get_path()), 0755);
  69                 if(FS::exists(lib.get_path()))
  70                         FS::unlink(lib.get_path());
  71         }
  72
  73         return new ExternalTask(argv, work_dir);
  74 }