source/binary.cpp

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