source/executable.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <msp/path/utils.h>
   9 #include <msp/strings/formatter.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
  20 using namespace std;
  21 using namespace Msp;
  22
  23 Executable::Executable(Builder &b, const Component &c, const list<ObjectFile *> &objs):
  24         Target(b, &c.get_package(), generate_target_name(c)),
  25         comp(c)
  26 {
  27         buildable=true;
  28         for(list<ObjectFile *>::const_iterator i=objs.begin(); i!=objs.end(); ++i)
  29                 add_depend(*i);
  30 }
  31
  32 /**
  33 Finds and adds any required libraries to the dependencies.
  34 */
  35 void Executable::find_depends()
  36 {
  37         LibMode libmode=comp.get_package().get_library_mode();
  38         if(dynamic_cast<SharedLibrary *>(this))
  39                 libmode=DYNAMIC;
  40
  41         list<const Component *> queue;
  42         list<Target *> dep_libs;
  43         queue.push_back(&comp);
  44         while(!queue.empty())
  45         {
  46                 const Component *c=queue.front();
  47                 queue.erase(queue.begin());
  48
  49                 const StringList &libpath=c->get_build_info().libpath;
  50
  51                 const list<string> &libs=c->get_build_info().libs;
  52                 for(StringList::const_iterator i=libs.begin(); i!=libs.end(); ++i)
  53                 {
  54                         Target *lib=builder.get_library(*i, libpath, libmode);
  55                         if(lib)
  56                         {
  57                                 dep_libs.push_back(lib);
  58
  59                                 if(dynamic_cast<Install *>(lib))
  60                                         lib=lib->get_depends().front();
  61                                 if(StaticLibrary *stlib=dynamic_cast<StaticLibrary *>(lib))
  62                                         queue.push_back(&stlib->get_component());
  63                         }
  64                         else
  65                                 builder.problem(comp.get_package().get_name(), format("Couldn't find library %s for %s", *i, basename(name)));
  66                 }
  67         }
  68
  69         /* Add only the last occurrence of each library to the actual dependencies.
  70         This ensures that static library ordering is correct. */
  71         for(list<Target *>::iterator i=dep_libs.begin(); i!=dep_libs.end(); ++i)
  72         {
  73                 bool last=true;
  74                 for(list<Target *>::iterator j=i; (last && j!=dep_libs.end()); ++j)
  75                         last=(j==i || *j!=*i);
  76                 if(last)
  77                         add_depend(*i);
  78         }
  79
  80         deps_ready=true;
  81 }
  82
  83 Action *Executable::build()
  84 {
  85         return Target::build(new Link(builder, *this));;
  86 }
  87
  88 /**
  89 Returns the name for the executable.  We can't do this in the constructor since
  90 we need to pass the value to the Target c'tor.
  91 */
  92 string Executable::generate_target_name(const Component &c)
  93 {
  94         const SourcePackage &pkg=c.get_package();
  95         string prefix, suffix;
  96         const string &arch=pkg.get_builder().get_current_arch().get_name();
  97
  98         if(c.get_type()==Component::LIBRARY)
  99         {
 100                 prefix="lib";
 101                 if(arch=="win32")
 102                         suffix=".dll";
 103                 else
 104                         suffix=".so";
 105         }
 106         else if(c.get_type()==Component::MODULE)
 107                 suffix=".m";
 108         else if(c.get_type()==Component::PROGRAM)
 109         {
 110                 if(arch=="win32")
 111                         suffix=".exe";
 112         }
 113
 114         return (pkg.get_out_dir()/(prefix+c.get_name()+suffix)).str();
 115 }