source/binary.cpp

   1 #include <msp/fs/utils.h>
   2 #include <msp/strings/format.h>
   3 #include <msp/strings/utils.h>
   4 #include "binary.h"
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "objectfile.h"
   8 #include "sharedlibrary.h"
   9 #include "sourcepackage.h"
  10 #include "staticlibrary.h"
  11 #include "tool.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 Binary::Binary(Builder &b, const FS::Path &p):
  17         FileTarget(b, p)
  18 { }
  19
  20 Binary::Binary(Builder &b, const Component &c, const string &p, const list<ObjectFile *> &objs):
  21         FileTarget(b, c.get_package(), c.get_package().get_output_directory()/p),
  22         objects(objs)
  23 {
  24         component = &c;
  25         for(list<ObjectFile *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
  26                 add_dependency(**i);
  27
  28         nested_build_sig = true;
  29         arch_in_build_sig = true;
  30 }
  31
  32 void Binary::collect_build_info(BuildInfo &binfo) const
  33 {
  34         for(list<ObjectFile *>::const_iterator i=objects.begin(); i!=objects.end(); ++i)
  35                 if(const Tool *obj_tool = (*i)->get_tool())
  36                         binfo.update_from(obj_tool->get_build_info());
  37
  38         Target::collect_build_info(binfo);
  39
  40         binfo.update_from(static_binfo);
  41 }
  42
  43 void Binary::find_dependencies()
  44 {
  45         if(!component)
  46                 return;
  47
  48         list<Target *> queue;
  49         list<Target *> dep_libs;
  50         set<string> missing_libs;
  51         queue.push_back(this);
  52         for(list<Target *>::iterator j=queue.begin(); j!=queue.end(); ++j)
  53         {
  54                 Target *tgt = *j;
  55
  56                 BuildInfo binfo;
  57                 tgt->collect_build_info(binfo);
  58                 if(tgt!=this)
  59                 {
  60                         static_binfo.libpath.insert(static_binfo.libpath.end(), binfo.libpath.begin(), binfo.libpath.end());
  61                         static_binfo.keep_symbols.insert(static_binfo.keep_symbols.end(), binfo.keep_symbols.begin(), binfo.keep_symbols.end());
  62                         if(binfo.threads)
  63                                 static_binfo.threads = true;
  64                 }
  65
  66                 list<Target *> libs_to_process;
  67                 for(BuildInfo::WordList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
  68                 {
  69                         if(i->size()>10 && !i->compare(i->size()-10, 10, ".framework"))
  70                                 continue;
  71
  72                         BuildInfo::LibraryMode libmode = component->get_build_info().get_libmode_for(*i);
  73                         Target *lib = builder.get_vfs().find_library(*i, binfo.libpath, libmode);
  74                         if(lib)
  75                                 libs_to_process.push_back(lib);
  76                         else if(missing_libs.insert(*i).second)
  77                                 problems.push_back(format("Required library %s not found", *i));
  78                 }
  79
  80                 if(tgt!=this)
  81                 {
  82                         const Target::Dependencies &tdeps = tgt->get_transitive_dependencies();
  83                         libs_to_process.insert(libs_to_process.end(), tdeps.begin(), tdeps.end());
  84                 }
  85
  86                 list<Target *>::iterator insert_pos = j;
  87                 ++insert_pos;
  88                 for(list<Target *>::const_iterator i=libs_to_process.begin(); i!=libs_to_process.end(); ++i)
  89                 {
  90                         Target *real = (*i)->get_real_target();
  91                         if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(real))
  92                                 queue.insert(insert_pos, stlib);
  93                         else
  94                                 dep_libs.push_back(*i);
  95                 }
  96         }
  97
  98         queue.pop_front();
  99         dep_libs.splice(dep_libs.begin(), queue);
 100
 101         /* Add only the last occurrence of each library to the actual dependencies.
 102         This ensures that static library ordering is correct. */
 103         for(list<Target *>::iterator i=dep_libs.begin(); i!=dep_libs.end(); ++i)
 104         {
 105                 bool last = true;
 106                 for(list<Target *>::iterator j=i; (last && j!=dep_libs.end()); ++j)
 107                         last = (j==i || *j!=*i);
 108                 if(last)
 109                         add_dependency(**i);
 110         }
 111 }