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 "staticlibrary.h"
  18
  19 using namespace std;
  20 using namespace Msp;
  21
  22 Executable::Executable(Builder &b, const Component &c, const list<ObjectFile *> &objs):
  23         Target(b, &c.get_package(), generate_target_name(c)),
  24         comp(c)
  25 {
  26         buildable=true;
  27         for(list<ObjectFile *>::const_iterator i=objs.begin(); i!=objs.end(); ++i)
  28                 add_depend(*i);
  29 }
  30
  31 /**
  32 Finds and adds any required libraries to the dependencies.
  33 */
  34 void Executable::find_depends()
  35 {
  36         LibMode libmode=comp.get_package().get_library_mode();
  37
  38         list<const Component *> queue;
  39         list<Target *> dep_libs;
  40         queue.push_back(&comp);
  41         while(!queue.empty())
  42         {
  43                 const Component *c=queue.front();
  44                 queue.erase(queue.begin());
  45
  46                 const StringList &libpath=c->get_build_info().libpath;
  47                 const string &arch=c->get_package().get_arch();
  48
  49                 const list<string> &libs=c->get_build_info().libs;
  50                 for(StringList::const_iterator i=libs.begin(); i!=libs.end(); ++i)
  51                 {
  52                         Target *lib=builder.get_library(*i, arch, libpath, libmode);
  53                         if(lib)
  54                         {
  55                                 dep_libs.push_back(lib);
  56
  57                                 if(dynamic_cast<Install *>(lib))
  58                                         lib=lib->get_depends().front();
  59                                 if(StaticLibrary *stlib=dynamic_cast<StaticLibrary *>(lib))
  60                                         queue.push_back(&stlib->get_component());
  61                         }
  62                         else
  63                                 builder.problem(comp.get_package().get_name(), format("Couldn't find library %s for %s", *i, Path::basename(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 }
  80
  81 Action *Executable::build()
  82 {
  83         return Target::build(new Link(builder, *this));;
  84 }
  85
  86 /**
  87 Returns the name for the executable.  We can't do this in the constructor since
  88 we need to pass the value to the Target c'tor.
  89 */
  90 string Executable::generate_target_name(const Component &c)
  91 {
  92         string prefix, suffix;
  93         const string &arch=c.get_package().get_arch();
  94
  95         if(c.get_type()==Component::LIBRARY)
  96         {
  97                 prefix="lib";
  98                 if(arch=="win32")
  99                         suffix=".dll";
 100                 else
 101                         suffix=".so";
 102         }
 103         else if(c.get_type()==Component::MODULE)
 104                 suffix=".m";
 105         else if(c.get_type()==Component::PROGRAM)
 106         {
 107                 if(arch=="win32")
 108                         suffix=".exe";
 109         }
 110
 111         return (c.get_package().get_out_dir()/(prefix+c.get_name()+suffix)).str();
 112 }