source/link.cpp

   1 #include <msp/path/utils.h>
   2 #include "builder.h"
   3 #include "component.h"
   4 #include "executable.h"
   5 #include "install.h"
   6 #include "link.h"
   7 #include "objectfile.h"
   8 #include "package.h"
   9 #include "sharedlibrary.h"
  10 #include "staticlibrary.h"
  11 #include "systemlibrary.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 Link::Link(Builder &b, const Executable &exe):
  17         ExternalAction(b)
  18 {
  19         const Component &comp=exe.get_component();
  20
  21         const string &prefix=b.get_arch_prefix(exe.get_package()->get_arch());
  22
  23         //XXX Determine whether to use g++ or gcc
  24         argv.push_back(prefix+"g++");
  25
  26         if(comp.get_type()==Component::LIBRARY)
  27                 argv.push_back("-shared");
  28         else if(comp.get_package().get_library_mode()==ALL_STATIC)
  29                 argv.push_back("-static");
  30
  31         const BuildInfo &binfo=comp.get_build_info();
  32         for(list<string>::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
  33                 argv.push_back(*i);
  34         for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
  35                 argv.push_back("-L"+*i);
  36
  37         argv.push_back("-o");
  38         argv.push_back(exe.get_name());
  39         const TargetList &deps=exe.get_depends();
  40         for(TargetList::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  41         {
  42                 Target *tgt=*i;
  43                 if(dynamic_cast<Install *>(tgt))
  44                         tgt=tgt->get_depends().front();
  45
  46                 if(dynamic_cast<ObjectFile *>(tgt))
  47                         argv.push_back((*i)->get_name());
  48                 else if(SharedLibrary *shlib=dynamic_cast<SharedLibrary *>(tgt))
  49                         argv.push_back("-l"+shlib->get_libname());
  50                 else if(dynamic_cast<StaticLibrary *>(tgt))
  51                         argv.push_back((*i)->get_name());
  52                 else if(SystemLibrary *syslib=dynamic_cast<SystemLibrary *>(tgt))
  53                         argv.push_back("-l"+syslib->get_libname());
  54         }
  55
  56         Path::Path epath=exe.get_name();
  57         if(!builder.get_dry_run())
  58                 Path::mkpath(epath.subpath(0, epath.size()-1), 0755);
  59
  60         announce(comp.get_package().get_name(), "LINK", relative(epath, comp.get_package().get_source()).str());
  61
  62         launch();
  63 }