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