source/mingwdlltool.cpp

   1 #include <cstdlib>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/format.h>
   4 #include "architecture.h"
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "exportdefinitions.h"
   8 #include "externaltask.h"
   9 #include "importlibrary.h"
  10 #include "installedfile.h"
  11 #include "mingwdlltool.h"
  12 #include "sharedlibrary.h"
  13 #include "sourcepackage.h"
  14
  15 using namespace std;
  16 using namespace Msp;
  17
  18 MingwDllTool::MingwDllTool(Builder &b, const Architecture &a):
  19         Tool(b, a, "DLL")
  20 {
  21         string command = "dlltool";
  22         if(architecture->is_cross())
  23                 command = format("%s-%s", architecture->get_cross_prefix(), command);
  24         executable = builder.get_vfs().find_binary(command);
  25 }
  26
  27 Target *MingwDllTool::create_target(const list<Target *> &sources, const string &) const
  28 {
  29         if(sources.size()!=1)
  30                 throw invalid_argument("MingwDllTool::create_target");
  31         ExportDefinitions &def = dynamic_cast<ExportDefinitions &>(*sources.front());
  32         ImportLibrary *imp = new ImportLibrary(builder, *def.get_component(), def);
  33         imp->set_tool(*this);
  34         return imp;
  35 }
  36
  37 Target *MingwDllTool::create_install(Target &target) const
  38 {
  39         if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(&target))
  40         {
  41                 const Tool &copy = builder.get_toolchain().get_tool("CP");
  42                 InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
  43                 string link_name = format("lib%s.dll.a", imp->get_shared_library()->get_libname());
  44                 if(link_name!=FS::basename(inst_tgt->get_path()))
  45                         inst_tgt->set_symlink(link_name);
  46                 return inst_tgt;
  47         }
  48         else
  49                 return 0;
  50 }
  51
  52 Task *MingwDllTool::run(const Target &target) const
  53 {
  54         const ImportLibrary &imp = dynamic_cast<const ImportLibrary &>(target);
  55         const ExportDefinitions &exp = dynamic_cast<const ExportDefinitions &>(*imp.get_dependencies().front());
  56         const SharedLibrary &shlib = exp.get_library();
  57
  58         vector<string> argv;
  59         argv.push_back(executable->get_path().str());
  60
  61         /* dlltool is stupid and puts temporary files in the working directory by
  62         default */
  63         argv.push_back("--temp-prefix");
  64         char random[8];
  65         for(unsigned i=0; i<8; ++i)
  66                 random[i] = 'a'+(rand()%26);
  67         argv.push_back(string("/tmp/")+string(random, 8));
  68
  69         const Component &comp = *imp.get_component();
  70         FS::Path work_dir = comp.get_package().get_source_directory();
  71
  72         argv.push_back("-d");
  73         argv.push_back(relative(exp.get_path(), work_dir).str());
  74
  75         argv.push_back("-D");
  76         if(shlib.get_install_filename().empty())
  77                 argv.push_back(FS::basename(shlib.get_path()));
  78         else
  79                 argv.push_back(shlib.get_install_filename());
  80
  81         argv.push_back("-l");
  82         argv.push_back(relative(imp.get_path(), work_dir).str());
  83
  84         return new ExternalTask(argv, work_dir);
  85 }