source/link.cpp

   1 #include <msp/fs/dir.h>
   2 #include <msp/fs/utils.h>
   3 #include "builder.h"
   4 #include "component.h"
   5 #include "executable.h"
   6 #include "install.h"
   7 #include "link.h"
   8 #include "objectfile.h"
   9 #include "package.h"
  10 #include "sharedlibrary.h"
  11 #include "staticlibrary.h"
  12 #include "systemlibrary.h"
  13
  14 using namespace std;
  15 using namespace Msp;
  16
  17 Link::Link(Builder &b, const Binary &bin):
  18         ExternalAction(b)
  19 {
  20         const Component &comp = bin.get_component();
  21
  22         work_dir = comp.get_package().get_source();
  23
  24         //XXX Determine whether to use g++ or gcc
  25         string tool = "LXX";
  26         argv.push_back(builder.get_current_arch().get_tool(tool));
  27
  28         if(comp.get_type()==Component::LIBRARY || comp.get_type()==Component::MODULE)
  29                 argv.push_back("-shared");
  30         else if(comp.get_package().get_library_mode()==ALL_STATIC)
  31                 argv.push_back("-static");
  32
  33         if(const SharedLibrary *lib = dynamic_cast<const SharedLibrary *>(&bin))
  34                 if(!lib->get_soname().empty())
  35                         argv.push_back("-Wl,-soname,"+lib->get_soname());
  36
  37         const BuildInfo &binfo = comp.get_build_info();
  38         for(list<string>::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
  39                 argv.push_back(*i);
  40         for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
  41                 argv.push_back("-L"+*i);
  42
  43         argv.push_back("-o");
  44         argv.push_back(relative(bin.get_path(), work_dir).str());
  45         const TargetList &deps = bin.get_depends();
  46         for(TargetList::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  47         {
  48                 Target *tgt = (*i)->get_real_target();
  49
  50                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
  51                         argv.push_back(relative(obj->get_path(), work_dir).str());
  52                 else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
  53                         argv.push_back(stlib->get_path().str());
  54                 else if(Library *lib = dynamic_cast<Library *>(tgt))
  55                         argv.push_back("-l"+lib->get_libname());
  56         }
  57
  58         FS::Path binpath = bin.get_path();
  59         if(!builder.get_dry_run())
  60                 FS::mkpath(FS::dirname(binpath), 0755);
  61
  62         announce(comp.get_package().get_name(), tool, relative(binpath, work_dir).str().substr(2));
  63
  64         launch();
  65 }