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 {
  19         string command = c;
  20         if(architecture->is_cross())
  21                 command = format("%s-%s", architecture->get_cross_prefix(), command);
  22         executable = builder.get_vfs().find_binary(command);
  23
  24         if(architecture->is_native())
  25                 system_path.push_back("/usr/include");
  26         else
  27                 system_path.push_back("/usr/"+architecture->get_cross_prefix()+"/include");
  28 }
  29
  30 Target *GnuCompiler::create_target(const list<Target *> &sources, const string &) const
  31 {
  32         if(sources.size()!=1)
  33                 throw invalid_argument("GnuCCompiler::create_target");
  34         SourceFile &source = dynamic_cast<SourceFile &>(*sources.front());
  35         ObjectFile *obj = new ObjectFile(builder, *source.get_component(), source);
  36         obj->set_tool(*this);
  37         return obj;
  38 }
  39
  40 string GnuCompiler::create_build_signature(const BuildInfo &binfo) const
  41 {
  42         string result = FS::basename(executable->get_path());
  43         if(!architecture->get_cpu().empty())
  44         {
  45                 result += ",m";
  46                 result += architecture->get_cpu();
  47         }
  48         result += ',';
  49         if(binfo.debug)
  50                 result += 'g';
  51         if(binfo.optimize)
  52         {
  53                 result += 'O';
  54                 result += (binfo.optimize>0 ? '0'+binfo.optimize : 's');
  55         }
  56         return result;
  57 }
  58
  59 Task *GnuCompiler::run(const Target &target) const
  60 {
  61         const ObjectFile &object = dynamic_cast<const ObjectFile &>(target);
  62         const Component &comp = *object.get_component();
  63
  64         ExternalTask::Arguments argv;
  65         argv.push_back(executable->get_path().str());
  66         argv.push_back("-c");
  67
  68         const BuildInfo &binfo = comp.get_build_info();
  69         if(binfo.warning_level>=1)
  70         {
  71                 argv.push_back("-Wall");
  72                 if(binfo.warning_level>=2)
  73                 {
  74                         argv.push_back("-Wextra");
  75                         argv.push_back("-Wundef");
  76                 }
  77                 if(binfo.warning_level>=3)
  78                 {
  79                         argv.push_back("-pedantic");
  80                         argv.push_back("-Wno-long-long");
  81                         argv.push_back("-Wshadow");
  82                         if(tag=="CC")
  83                         {
  84                                 argv.push_back("-Wc++-compat");
  85                                 argv.push_back("-Wstrict-prototypes");
  86                         }
  87                 }
  88                 if(binfo.warning_level>=4)
  89                 {
  90                         // Some truly paranoid warnings
  91                         argv.push_back("-Wstrict-overflow=4");
  92                         argv.push_back("-Wfloat-equal");
  93                         argv.push_back("-Wconversion");
  94                         argv.push_back("-Wwrite-strings");
  95                         argv.push_back("-Winline");
  96                 }
  97                 if(binfo.fatal_warnings)
  98                         argv.push_back("-Werror");
  99         }
 100         for(BuildInfo::PathList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
 101                 argv.push_back("-I"+i->str());
 102         for(BuildInfo::DefineMap::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
 103         {
 104                 if(i->second.empty())
 105                         argv.push_back(format("-D%s", i->first));
 106                 else
 107                         argv.push_back(format("-D%s=%s", i->first, i->second));
 108         }
 109         if(binfo.debug)
 110                 argv.push_back("-ggdb");
 111         if(binfo.optimize)
 112         {
 113                 if(binfo.optimize<0)
 114                         argv.push_back("-Os");
 115                 else
 116                         argv.push_back(format("-O%d", binfo.optimize));
 117         }
 118         if(binfo.threads)
 119                 argv.push_back("-pthread");
 120         if(comp.get_type()==Component::LIBRARY && architecture->get_system()!="windows")
 121                 argv.push_back("-fPIC");
 122
 123         const Architecture &native_arch = builder.get_native_arch();
 124         if(architecture->get_bits()!=native_arch.get_bits())
 125                 argv.push_back(format("-m%d", architecture->get_bits()));
 126
 127         const string &cpu = architecture->get_cpu();
 128         if(!cpu.empty())
 129                 argv.push_back("-march="+cpu);
 130
 131         FS::Path obj_path = object.get_path();
 132         FS::Path src_path = object.get_source().get_path();
 133         FS::Path work_dir = comp.get_package().get_source_directory();
 134
 135         argv.push_back("-o");
 136         argv.push_back(relative(obj_path, work_dir).str());
 137         argv.push_back(relative(src_path, work_dir).str());
 138
 139         return new ExternalTask(argv, work_dir);
 140 }