source/gnucxxcompiler.cpp

   1 #include <msp/fs/stat.h>
   2 #include <msp/io/print.h>
   3 #include <msp/strings/regex.h>
   4 #include <msp/strings/utils.h>
   5 #include "builder.h"
   6 #include "csourcefile.h"
   7 #include "externaltask.h"
   8 #include "gnucxxcompiler.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 GnuCxxCompiler::GnuCxxCompiler(Builder &b):
  14         GnuCompiler(b, "CXX", "g++")
  15 {
  16         input_suffixes.push_back(".cpp");
  17         input_suffixes.push_back(".cc");
  18         aux_suffixes.push_back(".hpp");
  19
  20         ExternalTask::Arguments argv;
  21         argv.push_back(name);
  22         argv.push_back("--version");
  23         builder.get_logger().log("auxcommands", format("Running %s", join(argv.begin(), argv.end())));
  24         ExternalTask task(argv);
  25         task.set_stdout(ExternalTask::CAPTURE);
  26         task.set_stderr(ExternalTask::IGNORE);
  27         task.start();
  28         Task::Status status;
  29         while((status=task.check())==Task::RUNNING) ;
  30         if(status==Task::SUCCESS)
  31                 if(RegMatch m = Regex("[0-9]\\.[0-9.]+").match(task.get_output()))
  32                 {
  33                         string cxx_ver = m[0].str;
  34                         while(!cxx_ver.empty())
  35                         {
  36                                 FS::Path cxx_path = FS::Path("/usr/include/c++")/cxx_ver;
  37                                 if(FS::is_dir(cxx_path))
  38                                 {
  39                                         builder.get_logger().log("tools", format("%s version is %s", name, cxx_ver));
  40                                         system_path.push_back(cxx_path);
  41                                         break;
  42                                 }
  43
  44                                 string::size_type dot = cxx_ver.rfind('.');
  45                                 if(dot==string::npos)
  46                                         break;
  47                                 cxx_ver.erase(dot);
  48                         }
  49                 }
  50 }
  51
  52 Target *GnuCxxCompiler::create_source(const Component &comp, const FS::Path &path) const
  53 {
  54         return new CSourceFile(builder, comp, path);
  55 }
  56
  57 Target *GnuCxxCompiler::create_source(const FS::Path &path) const
  58 {
  59         return new CSourceFile(builder, path);
  60 }