source/gnucompiler.cpp

   1 #include <msp/fs/dir.h>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/format.h>
   4 #include "builder.h"
   5 #include "component.h"
   6 #include "externaltask.h"
   7 #include "gnucompiler.h"
   8 #include "objectfile.h"
   9 #include "sourcefile.h"
  10 #include "sourcepackage.h"
  11
  12 using namespace std;
  13 using namespace Msp;
  14
  15 GnuCompiler::GnuCompiler(Builder &b, const string &t, const string &n):
  16         Tool(b, t),
  17         name(n)
  18 { }
  19
  20 Target *GnuCompiler::create_source(const Component &comp, const FS::Path &path) const
  21 {
  22         return new SourceFile(builder, comp, path);
  23 }
  24
  25 Target *GnuCompiler::create_target(const list<Target *> &sources, const std::string &) const
  26 {
  27         if(sources.size()!=1)
  28                 throw invalid_argument("GnuCCompiler::create_target");
  29         SourceFile &source = dynamic_cast<SourceFile &>(*sources.front());
  30         ObjectFile *obj = new ObjectFile(builder, *source.get_component(), source);
  31         obj->set_tool(*this);
  32         return obj;
  33 }
  34
  35 Task *GnuCompiler::run(const Target &target) const
  36 {
  37         const ObjectFile &object = dynamic_cast<const ObjectFile &>(target);
  38         const Component &comp = object.get_component();
  39
  40         vector<string> argv;
  41         argv.push_back(name);
  42         argv.push_back("-c");
  43
  44         const BuildInfo &binfo = comp.get_build_info();
  45         for(list<string>::const_iterator i=binfo.warnings.begin(); i!=binfo.warnings.end(); ++i)
  46                 argv.push_back("-W"+*i);
  47         for(list<string>::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
  48                 argv.push_back("-I"+*i);
  49         for(BuildInfo::DefineMap::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
  50         {
  51                 if(i->second.empty())
  52                         argv.push_back(format("-D%s", i->first));
  53                 else
  54                         argv.push_back(format("-D%s=%s", i->first, i->second));
  55         }
  56         if(binfo.debug)
  57                 argv.push_back("-ggdb");
  58         if(binfo.optimize)
  59         {
  60                 if(binfo.optimize<0)
  61                         argv.push_back("-Os");
  62                 else
  63                         argv.push_back(format("-O%d", binfo.optimize));
  64         }
  65         if(binfo.threads)
  66                 argv.push_back("-pthread");
  67         if(comp.get_type()==Component::LIBRARY)
  68                 argv.push_back("-fPIC");
  69
  70         const Architecture &arch = builder.get_current_arch();
  71         const Architecture &native_arch = builder.get_native_arch();
  72         if(arch.get_bits()!=native_arch.get_bits())
  73                 argv.push_back(format("-m%d", arch.get_bits()));
  74
  75         const string &cpu = arch.get_cpu();
  76         if(!cpu.empty())
  77                 argv.push_back("-march="+cpu);
  78
  79         FS::Path obj_path = object.get_path();
  80         FS::Path src_path = object.get_source().get_path();
  81         FS::Path work_dir = comp.get_package().get_source();
  82
  83         argv.push_back("-o");
  84         argv.push_back(relative(obj_path, work_dir).str());
  85         argv.push_back(relative(src_path, work_dir).str());
  86
  87         if(!builder.get_dry_run())
  88                 FS::mkpath(FS::dirname(obj_path), 0755);
  89
  90         return new ExternalTask(argv, work_dir);
  91 }