source/gnucompiler.cpp

   1 #include <msp/fs/dir.h>
   2 #include <msp/fs/utils.h>
   3 #include <msp/strings/format.h>
   4 #include "architecture.h"
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "externaltask.h"
   8 #include "gnucompiler.h"
   9 #include "objectfile.h"
  10 #include "sourcefile.h"
  11 #include "sourcepackage.h"
  12
  13 using namespace std;
  14 using namespace Msp;
  15
  16 GnuCompiler::GnuCompiler(Builder &b, const Architecture &a, const string &t, const string &c):
  17         Tool(b, a, t),
  18         command(c)
  19 {
  20         if(architecture->is_native())
  21                 system_path.push_back("/usr/include");
  22         else
  23                 system_path.push_back("/usr/"+architecture->get_cross_prefix()+"/include");
  24 }
  25
  26 Target *GnuCompiler::create_target(const list<Target *> &sources, const string &)
  27 {
  28         if(sources.size()!=1)
  29                 throw invalid_argument("GnuCCompiler::create_target");
  30         SourceFile &source = dynamic_cast<SourceFile &>(*sources.front());
  31         ObjectFile *obj = new ObjectFile(builder, *source.get_component(), source);
  32         obj->set_tool(*this);
  33         return obj;
  34 }
  35
  36 string GnuCompiler::create_build_signature(const BuildInfo &binfo) const
  37 {
  38         string result = FS::basename(executable->get_path());
  39         if(!architecture->get_cpu().empty())
  40         {
  41                 result += ",m";
  42                 result += architecture->get_cpu();
  43         }
  44         result += ',';
  45         if(binfo.debug)
  46                 result += 'g';
  47         if(binfo.optimize)
  48         {
  49                 result += 'O';
  50                 result += (binfo.optimize>0 ? '0'+binfo.optimize : 's');
  51         }
  52         return result;
  53 }
  54
  55 void GnuCompiler::do_prepare()
  56 {
  57         if(architecture->is_cross())
  58                 command = format("%s-%s", architecture->get_cross_prefix(), command);
  59         executable = builder.get_vfs().find_binary(command);
  60         if(!executable)
  61                 builder.problem(string(), format("Can't find executable %s for tool %s", command, tag));
  62 }
  63
  64 Task *GnuCompiler::run(const Target &target) const
  65 {
  66         const ObjectFile &object = dynamic_cast<const ObjectFile &>(target);
  67         const Component &comp = *object.get_component();
  68
  69         ExternalTask::Arguments argv;
  70         argv.push_back(executable->get_path().str());
  71         argv.push_back("-c");
  72
  73         const BuildInfo &binfo = comp.get_build_info_for_path(object.get_source().get_path());
  74         if(binfo.warning_level>=1)
  75         {
  76                 argv.push_back("-Wall");
  77                 if(binfo.warning_level>=2)
  78                 {
  79                         argv.push_back("-Wextra");
  80                         argv.push_back("-Wundef");
  81                 }
  82                 if(binfo.warning_level>=3)
  83                 {
  84                         argv.push_back("-pedantic");
  85                         argv.push_back("-Wno-long-long");
  86                         argv.push_back("-Wshadow");
  87                         if(tag=="CC")
  88                         {
  89                                 argv.push_back("-Wc++-compat");
  90                                 argv.push_back("-Wstrict-prototypes");
  91                         }
  92                 }
  93                 if(binfo.warning_level>=4)
  94                 {
  95                         // Some truly paranoid warnings
  96                         argv.push_back("-Wstrict-overflow=4");
  97                         argv.push_back("-Wfloat-equal");
  98                         argv.push_back("-Wconversion");
  99                         argv.push_back("-Wwrite-strings");
 100                         argv.push_back("-Winline");
 101                 }
 102                 if(binfo.fatal_warnings)
 103                         argv.push_back("-Werror");
 104         }
 105         for(BuildInfo::PathList::const_iterator i=binfo.local_incpath.begin(); i!=binfo.local_incpath.end(); ++i)
 106         {
 107                 argv.push_back("-iquote");
 108                 argv.push_back(i->str());
 109         }
 110         for(BuildInfo::PathList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
 111                 argv.push_back("-I"+i->str());
 112         for(BuildInfo::DefineMap::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
 113         {
 114                 if(i->second.empty())
 115                         argv.push_back(format("-D%s", i->first));
 116                 else
 117                         argv.push_back(format("-D%s=%s", i->first, i->second));
 118         }
 119         if(binfo.debug)
 120                 argv.push_back("-ggdb");
 121         if(binfo.optimize)
 122         {
 123                 if(binfo.optimize<0)
 124                         argv.push_back("-Os");
 125                 else
 126                         argv.push_back(format("-O%d", binfo.optimize));
 127         }
 128         if(binfo.threads)
 129                 argv.push_back("-pthread");
 130         if((comp.get_type()==Component::LIBRARY || comp.get_type()==Component::MODULE) && architecture->get_system()!="windows")
 131                 argv.push_back("-fPIC");
 132
 133         const Architecture &native_arch = builder.get_native_arch();
 134         if(architecture->get_bits()!=native_arch.get_bits())
 135                 argv.push_back(format("-m%d", architecture->get_bits()));
 136
 137         const string &cpu = architecture->get_cpu();
 138         if(!cpu.empty())
 139                 argv.push_back("-march="+cpu);
 140
 141         FS::Path obj_path = object.get_path();
 142         FS::Path src_path = object.get_source().get_path();
 143         FS::Path work_dir = comp.get_package().get_source_directory();
 144
 145         argv.push_back("-o");
 146         argv.push_back(relative(obj_path, work_dir).str());
 147         argv.push_back(relative(src_path, work_dir).str());
 148
 149         return new ExternalTask(argv, work_dir);
 150 }