diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx index b46d85c1b..b92ad32c9 100644 --- a/Source/cmGlobalNinjaGenerator.cxx +++ b/Source/cmGlobalNinjaGenerator.cxx @@ -547,6 +547,18 @@ void cmGlobalNinjaGenerator // Source/cmake.cxx void cmGlobalNinjaGenerator::Generate() { + // Check minimum Ninja version. + if (cmSystemTools::VersionCompare(cmSystemTools::OP_LESS, + CurrentNinjaVersion().c_str(), + RequiredNinjaVersion().c_str())) + { + std::ostringstream msg; + msg << "The detected version of Ninja (" << this->CurrentNinjaVersion(); + msg << ") is less than the version of Ninja required by CMake ("; + msg << this->RequiredNinjaVersion() << ")."; + this->GetCMakeInstance()->IssueMessage(cmake::FATAL_ERROR, msg.str()); + return; + } this->OpenBuildFileStream(); this->OpenRulesFileStream();