source/binary.cpp

   1 #include <msp/fs/utils.h>
   2 #include <msp/strings/format.h>
   3 #include "binary.h"
   4 #include "builder.h"
   5 #include "component.h"
   6 #include "link.h"
   7 #include "objectfile.h"
   8 #include "sharedlibrary.h"
   9 #include "sourcepackage.h"
  10 #include "staticlibrary.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 Binary::Binary(Builder &b, const FS::Path &p):
  16         FileTarget(b, 0, p)
  17 { }
  18
  19 Binary::Binary(Builder &b, const Component &c, const std::string &p, const list<ObjectFile *> &objs):
  20         FileTarget(b, &c.get_package(), c.get_package().get_out_dir()/p)
  21 {
  22         component = &c;
  23         for(list<ObjectFile *>::const_iterator i=objs.begin(); i!=objs.end(); ++i)
  24                 add_depend(*i);
  25 }
  26
  27 void Binary::find_depends()
  28 {
  29         if(!component)
  30         {
  31                 deps_ready = true;
  32                 return;
  33         }
  34
  35         const SourcePackage &spkg = component->get_package();
  36         LibMode libmode = spkg.get_library_mode();
  37         if(dynamic_cast<SharedLibrary *>(this))
  38                 libmode = DYNAMIC;
  39
  40         list<const Component *> queue;
  41         list<Target *> dep_libs;
  42         queue.push_back(component);
  43         while(!queue.empty())
  44         {
  45                 const Component *c = queue.front();
  46                 queue.erase(queue.begin());
  47
  48                 const StringList &libpath = c->get_build_info().libpath;
  49
  50                 const list<string> &libs = c->get_build_info().libs;
  51                 for(StringList::const_iterator i=libs.begin(); i!=libs.end(); ++i)
  52                 {
  53                         Target *lib = builder.get_vfs().find_library(*i, libpath, libmode);
  54                         if(lib)
  55                         {
  56                                 dep_libs.push_back(lib);
  57
  58                                 lib = lib->get_real_target();
  59                                 if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(lib))
  60                                         queue.push_back(stlib->get_component());
  61                         }
  62                         else
  63                                 builder.problem(spkg.get_name(), format("Couldn't find library %s for %s", *i, name));
  64                 }
  65         }
  66
  67         /* Add only the last occurrence of each library to the actual dependencies.
  68         This ensures that static library ordering is correct. */
  69         for(list<Target *>::iterator i=dep_libs.begin(); i!=dep_libs.end(); ++i)
  70         {
  71                 bool last = true;
  72                 for(list<Target *>::iterator j=i; (last && j!=dep_libs.end()); ++j)
  73                         last = (j==i || *j!=*i);
  74                 if(last)
  75                         add_depend(*i);
  76         }
  77
  78         deps_ready = true;
  79 }