Method ParseDefineFlag

Source/cmMakefile.cxx:1352–1382

}

bool cmMakefile::ParseDefineFlag(std::string const& def, bool remove)
{
  // Create a regular expression to match valid definitions.
  static cmsys::RegularExpression valid("^[-/]D[A-Za-z_][A-Za-z0-9_]*(=.*)?$");

  // Make sure the definition matches.
  if (!valid.find(def)) {
    return false;
  }

  // Get the definition part after the flag.
  char const* define = def.c_str() + 2;

  if (remove) {
    if (cmValue cdefs = this->GetProperty("COMPILE_DEFINITIONS")) {
      // Expand the list.
      cmList defs{ *cdefs };

      // Recompose the list without the definition.
      defs.remove_items({ define });

      // Store the new list.
      this->SetProperty("COMPILE_DEFINITIONS", defs.to_string());
    }
  } else {
    // Append the definition to the directory property.
    this->AppendProperty("COMPILE_DEFINITIONS", define);
  }

  return true;
}

void cmMakefile::InitializeFromParent(cmMakefile* parent)
{