Method FindMakeProgram

Source/cmGlobalGenerator.cxx:416–456

Find the make program for the generator, required for try compiles

// Find the make program for the generator, required for try compiles
bool cmGlobalGenerator::FindMakeProgram(cmMakefile* mf)
{
  if (this->FindMakeProgramFile.empty()) {
    cmSystemTools::Error(
      "Generator implementation error, "
      "all generators must specify this->FindMakeProgramFile");
    return false;
  }
  if (mf->GetDefinition("CMAKE_MAKE_PROGRAM").IsOff()) {
    std::string setMakeProgram = mf->GetModulesFile(this->FindMakeProgramFile);
    if (!setMakeProgram.empty()) {
      mf->ReadListFile(setMakeProgram);
    }
  }
  if (mf->GetDefinition("CMAKE_MAKE_PROGRAM").IsOff()) {
    std::ostringstream err;
    err << "CMake was unable to find a build program corresponding to \""
        << this->GetName()
        << "\".  CMAKE_MAKE_PROGRAM is not set.  You "
           "probably need to select a different build tool.";
    cmSystemTools::Error(err.str());
    cmSystemTools::SetFatalErrorOccurred();
    return false;
  }
  std::string makeProgram = mf->GetRequiredDefinition("CMAKE_MAKE_PROGRAM");
  // if there are spaces in the make program use short path
  // but do not short path the actual program name, as
  // this can cause trouble with VSExpress
  if (makeProgram.find(' ') != std::string::npos) {
    std::string dir;
    std::string file;
    cmSystemTools::SplitProgramPath(makeProgram, dir, file);
    std::string saveFile = file;
    cmSystemTools::GetShortPath(makeProgram, makeProgram);
    cmSystemTools::SplitProgramPath(makeProgram, dir, file);
    makeProgram = cmStrCat(dir, '/', saveFile);
    mf->AddCacheDefinition("CMAKE_MAKE_PROGRAM", makeProgram, "make program",
                           cmStateEnums::FILEPATH);
  }
  return true;
}

bool cmGlobalGenerator::CheckLanguages(
  std::vector<std::string> const& /* languages */, cmMakefile* /* mf */) const