Method AddCacheDefinition

Source/cmMakefile.cxx:1869–1920

}

void cmMakefile::AddCacheDefinition(std::string const& name, cmValue value,
                                    cmValue doc,
                                    cmStateEnums::CacheEntryType type,
                                    bool force)
{
  cmValue existingValue = this->GetState()->GetInitializedCacheValue(name);
  // must be outside the following if() to keep it alive long enough
  std::string nvalue;

  if (existingValue &&
      (this->GetState()->GetCacheEntryType(name) ==
       cmStateEnums::UNINITIALIZED)) {
    // if this is not a force, then use the value from the cache
    // if it is a force, then use the value being passed in
    if (!force) {
      value = existingValue;
    }
    if (type == cmStateEnums::PATH || type == cmStateEnums::FILEPATH) {
      cmList files(value);
      for (auto& file : files) {
        if (!cmIsOff(file)) {
          file = cmSystemTools::ToNormalizedPathOnDisk(file);
        }
      }
      nvalue = files.to_string();
      value = cmValue{ nvalue };

      this->GetCMakeInstance()->AddCacheEntry(name, value, doc, type);
      value = this->GetState()->GetInitializedCacheValue(name);
    }
  }
  this->GetCMakeInstance()->AddCacheEntry(name, value, doc, type);
  switch (this->GetPolicyStatus(cmPolicies::CMP0126)) {
    case cmPolicies::WARN:
      if (this->PolicyOptionalWarningEnabled("CMAKE_POLICY_WARNING_CMP0126") &&
          this->IsNormalDefinitionSet(name)) {
        this->IssueMessage(
          MessageType::AUTHOR_WARNING,
          cmStrCat(cmPolicies::GetPolicyWarning(cmPolicies::CMP0126),
                   "\nFor compatibility with older versions of CMake, normal "
                   "variable \"",
                   name, "\" will be removed from the current scope."));
      }
      CM_FALLTHROUGH;
    case cmPolicies::OLD:
      // if there was a definition then remove it
      this->StateSnapshot.RemoveDefinition(name);
      break;
    case cmPolicies::NEW:
      break;
  }
}

void cmMakefile::MarkVariableAsUsed(std::string const& var)
{