Method WriteMainCMakefile

Source/cmGlobalUnixMakefileGenerator3.cxx:240–344

}

void cmGlobalUnixMakefileGenerator3::WriteMainCMakefile()
{
  if (this->GlobalSettingIsOn("CMAKE_SUPPRESS_REGENERATION")) {
    return;
  }

  // Open the output file.  This should not be copy-if-different
  // because the check-build-system step compares the makefile time to
  // see if the build system must be regenerated.
  std::string cmakefileName =
    cmStrCat(this->GetCMakeInstance()->GetHomeOutputDirectory(),
             "/CMakeFiles/Makefile.cmake");
  cmGeneratedFileStream cmakefileStream(cmakefileName);
  if (!cmakefileStream) {
    return;
  }

  std::string makefileName =
    cmStrCat(this->GetCMakeInstance()->GetHomeOutputDirectory(), "/Makefile");

  {
    // get a local generator for some useful methods
    auto& lg = cm::static_reference_cast<cmLocalUnixMakefileGenerator3>(
      this->LocalGenerators[0]);

    // Write the do not edit header.
    lg.WriteDisclaimer(cmakefileStream);
  }

  // Save the generator name
  cmakefileStream << "# The generator used is:\n"
                  << "set(CMAKE_DEPENDS_GENERATOR \"" << this->GetName()
                  << "\")\n\n";

  // for each cmMakefile get its list of dependencies
  std::vector<std::string> lfiles;
  for (auto const& localGen : this->LocalGenerators) {
    // Get the list of files contributing to this generation step.
    cm::append(lfiles, localGen->GetMakefile()->GetListFiles());
  }

  cmake* cm = this->GetCMakeInstance();
  if (cm->DoWriteGlobVerifyTarget()) {
    lfiles.push_back(cm->GetGlobVerifyScript());
    lfiles.push_back(cm->GetGlobVerifyStamp());
  }

  // Sort the list and remove duplicates.
  std::sort(lfiles.begin(), lfiles.end(), std::less<std::string>());
#if !defined(__VMS) // The Compaq STL on VMS crashes, so accept duplicates.
  auto new_end = std::unique(lfiles.begin(), lfiles.end());
  lfiles.erase(new_end, lfiles.end());
#endif

  {
    // reset lg to the first makefile
    auto const& lg = cm::static_reference_cast<cmLocalUnixMakefileGenerator3>(
      this->LocalGenerators[0]);