Method WriteLocalMakefile

Source/cmLocalUnixMakefileGenerator3.cxx:280–373

}

void cmLocalUnixMakefileGenerator3::WriteLocalMakefile()
{
  // generate the includes
  std::string ruleFileName = "Makefile";

  // Open the rule file.  This should be copy-if-different because the
  // rules may depend on this file itself.
  std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
  cmGeneratedFileStream ruleFileStream(
    ruleFileNameFull, false, this->GlobalGenerator->GetMakefileEncoding());
  if (!ruleFileStream) {
    return;
  }
  // always write the top makefile
  if (!this->IsRootMakefile()) {
    ruleFileStream.SetCopyIfDifferent(true);
  }

  // write the all rules
  this->WriteLocalAllRules(ruleFileStream);

  // only write local targets unless at the top Keep track of targets already
  // listed.
  std::set<std::string> emittedTargets;
  if (!this->IsRootMakefile()) {
    // write our targets, and while doing it collect up the object
    // file rules
    this->WriteLocalMakefileTargets(ruleFileStream, emittedTargets);
  } else {
    cmGlobalUnixMakefileGenerator3* gg =
      static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
    gg->WriteConvenienceRules(ruleFileStream, emittedTargets);
  }

  bool do_preprocess_rules = this->GetCreatePreprocessedSourceRules();
  bool do_assembly_rules = this->GetCreateAssemblySourceRules();

  std::map<std::string, LocalObjectInfo> localObjectFiles;
  this->GetLocalObjectFiles(localObjectFiles);

  // now write out the object rules
  // for each object file name
  for (auto& localObjectFile : localObjectFiles) {
    // Add a convenience rule for building the object file.
    this->WriteObjectConvenienceRule(
      ruleFileStream, "target to build an object file", localObjectFile.first,
      localObjectFile.second);

    // Check whether preprocessing and assembly rules make sense.
    // They make sense only for C and C++ sources.
    bool lang_has_preprocessor = false;
    bool lang_has_assembly = false;

    for (LocalObjectEntry const& entry : localObjectFile.second) {
      if (entry.Language == "C" || entry.Language == "CXX" ||
          entry.Language == "CUDA" || entry.Language == "Fortran" ||
          entry.Language == "HIP" || entry.Language == "ISPC") {
        // Right now, C, C++, CUDA, Fortran, HIP and ISPC have both a