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         input_suffixes.push_back(".o");
  20 }
  21
  22 Target *GnuArchiver::create_target(const list<Target *> &sources, const string &) const
  23 {
  24         if(sources.empty())
  25                 throw invalid_argument("GnuArchiver::create_target");
  26
  27         list<ObjectFile *> objs;
  28         for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
  29         {
  30                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  31                         objs.push_back(obj);
  32                 else
  33                         throw invalid_argument("GnuLinker::create_target");
  34         }
  35
  36         const Component &comp = objs.front()->get_component();
  37         StaticLibrary *lib = new StaticLibrary(builder, comp, objs);
  38         lib->set_tool(*this);
  39         return lib;
  40 }
  41
  42 Task *GnuArchiver::run(const Target &target) const
  43 {
  44         const StaticLibrary &lib = dynamic_cast<const StaticLibrary &>(target);
  45         const Component &comp = *lib.get_component();
  46
  47         vector<string> argv;
  48         argv.push_back("ar");
  49         argv.push_back("rc");
  50
  51         FS::Path work_dir = comp.get_package().get_source();
  52
  53         argv.push_back(relative(lib.get_path(), work_dir).str());
  54
  55         const Target::Dependencies &deps = lib.get_depends();
  56         for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  57                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
  58                         argv.push_back(relative(obj->get_path(), work_dir).str());
  59
  60         if(!builder.get_dry_run())
  61         {
  62                 FS::mkpath(FS::dirname(lib.get_path()), 0755);
  63                 if(FS::exists(lib.get_path()))
  64                         FS::unlink(lib.get_path());
  65         }
  66
  67         return new ExternalTask(argv, work_dir);
  68 }