source/gnucxxcompiler.cpp

   1 #include <msp/fs/stat.h>
   2 #include <msp/io/print.h>
   3 #include <msp/strings/regex.h>
   4 #include "builder.h"
   5 #include "csourcefile.h"
   6 #include "externaltask.h"
   7 #include "gnucxxcompiler.h"
   8
   9 using namespace std;
  10 using namespace Msp;
  11
  12 GnuCxxCompiler::GnuCxxCompiler(Builder &b):
  13         GnuCompiler(b, "CXX", "g++")
  14 {
  15         input_suffixes.push_back(".cpp");
  16         input_suffixes.push_back(".cc");
  17         aux_suffixes.push_back(".hpp");
  18
  19         ExternalTask::Arguments argv;
  20         argv.push_back(name);
  21         argv.push_back("--version");
  22         ExternalTask task(argv);
  23         task.set_stdout(ExternalTask::CAPTURE);
  24         task.set_stderr(ExternalTask::IGNORE);
  25         task.start();
  26         Task::Status status;
  27         while((status=task.check())==Task::RUNNING) ;
  28         if(status==Task::SUCCESS)
  29                 if(RegMatch m = Regex("[0-9]\\.[0-9.]+").match(task.get_output()))
  30                 {
  31                         string cxx_ver = m[0].str;
  32                         while(!cxx_ver.empty())
  33                         {
  34                                 FS::Path cxx_path = FS::Path("/usr/include/c++")/cxx_ver;
  35                                 if(FS::is_dir(cxx_path))
  36                                 {
  37                                         if(builder.get_verbose()>=5)
  38                                                 IO::print("%s version is %s\n", name, cxx_ver);
  39                                         system_path.push_back(cxx_path);
  40                                         break;
  41                                 }
  42
  43                                 string::size_type dot = cxx_ver.rfind('.');
  44                                 if(dot==string::npos)
  45                                         break;
  46                                 cxx_ver.erase(dot);
  47                         }
  48                 }
  49 }
  50
  51 Target *GnuCxxCompiler::create_source(const Component &comp, const FS::Path &path) const
  52 {
  53         return new CSourceFile(builder, comp, path);
  54 }