source/link.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2010  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <msp/fs/dir.h>
   9 #include <msp/fs/utils.h>
  10 #include "builder.h"
  11 #include "component.h"
  12 #include "executable.h"
  13 #include "install.h"
  14 #include "link.h"
  15 #include "objectfile.h"
  16 #include "package.h"
  17 #include "sharedlibrary.h"
  18 #include "staticlibrary.h"
  19 #include "systemlibrary.h"
  20
  21 using namespace std;
  22 using namespace Msp;
  23
  24 Link::Link(Builder &b, const Binary &bin):
  25         ExternalAction(b)
  26 {
  27         const Component &comp = bin.get_component();
  28
  29         work_dir = comp.get_package().get_source();
  30
  31         //XXX Determine whether to use g++ or gcc
  32         string tool = "LXX";
  33         argv.push_back(builder.get_current_arch().get_tool(tool));
  34
  35         if(comp.get_type()==Component::LIBRARY || comp.get_type()==Component::MODULE)
  36                 argv.push_back("-shared");
  37         else if(comp.get_package().get_library_mode()==ALL_STATIC)
  38                 argv.push_back("-static");
  39
  40         if(const SharedLibrary *lib = dynamic_cast<const SharedLibrary *>(&bin))
  41                 if(!lib->get_soname().empty())
  42                         argv.push_back("-Wl,-soname,"+lib->get_soname());
  43
  44         const BuildInfo &binfo = comp.get_build_info();
  45         for(list<string>::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
  46                 argv.push_back(*i);
  47         for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
  48                 argv.push_back("-L"+*i);
  49
  50         argv.push_back("-o");
  51         argv.push_back(relative(bin.get_path(), work_dir).str());
  52         const TargetList &deps = bin.get_depends();
  53         for(TargetList::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  54         {
  55                 Target *tgt = (*i)->get_real_target();
  56
  57                 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
  58                         argv.push_back(relative(obj->get_path(), work_dir).str());
  59                 else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
  60                         argv.push_back(stlib->get_path().str());
  61                 else if(Library *lib = dynamic_cast<Library *>(tgt))
  62                         argv.push_back("-l"+lib->get_libname());
  63         }
  64
  65         FS::Path binpath = bin.get_path();
  66         if(!builder.get_dry_run())
  67                 FS::mkpath(FS::dirname(binpath), 0755);
  68
  69         announce(comp.get_package().get_name(), tool, relative(binpath, work_dir).str().substr(2));
  70
  71         launch();
  72 }