diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4849d9df..0f70a0aa 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,23 +7,28 @@ IF (CMAKE_SYSTEM_NAME MATCHES "Linux")
     if(version LESS 4.9.0)
         MESSAGE(STATUS "gcc is too old")
         stop()
-    elseif (version LESS 6.1.0)
-        MESSAGE(STATUS "c++11")
-        set(CMAKE_CXX_STD_FLAGS c++11)
-    elseif(version LESS 7.1.0)
-        set(CMAKE_CXX_STD_FLAGS c++14)
-        MESSAGE(STATUS "c++14")
-    else()
+    endif()
+    include(CheckCXXCompilerFlag)
+    CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+    CHECK_CXX_COMPILER_FLAG("-std=c++14" COMPILER_SUPPORTS_CXX14)
+    CHECK_CXX_COMPILER_FLAG("-std=c++17" COMPILER_SUPPORTS_CXX17)
+    if(COMPILER_SUPPORTS_CXX17)
+        message(STATUS "support c++17")
         set(CMAKE_CXX_STD_FLAGS c++17)
-        #add_definitions(-DUSE_STD_ANY)
         set(DR_DEFS "USE_STD_ANY")
-        MESSAGE(STATUS "c++17")
-
+    elseif(COMPILER_SUPPORTS_CXX14)
+        message(STATUS "support c++14")
+        set(CMAKE_CXX_STD_FLAGS c++14)
+    elseif(COMPILER_SUPPORTS_CXX11)
+        message(STATUS "support c++11")
+        set(CMAKE_CXX_STD_FLAGS c++11)
     endif()
 else()
     set(CMAKE_CXX_STD_FLAGS c++11)
 endif()
 
+
+
 set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake_modules/)
 #jsoncpp
 find_package (Jsoncpp REQUIRED)
diff --git a/drogon_ctl/create_project.cc b/drogon_ctl/create_project.cc
index da430dbc..766d21d8 100644
--- a/drogon_ctl/create_project.cc
+++ b/drogon_ctl/create_project.cc
@@ -20,51 +20,57 @@ void create_project::handleCommand(std::vector<std::string> &parameters)
 static void newCmakeFile(std::ofstream &cmakeFile,const std::string &projectName)
 {
     cmakeFile<< "cmake_minimum_required(VERSION 3.2)\n"
-                "Project("<<projectName<<")\n"
-                "link_libraries(drogon trantor uuid pthread jsoncpp ssl crypto dl z)\n"
-                "IF (CMAKE_SYSTEM_NAME MATCHES \"Linux\")\n"
-                "    EXEC_PROGRAM (gcc ARGS \"--version | grep '^gcc'|awk '{print $3}' | sed s'/)//g' | sed s'/-.*//g'\" OUTPUT_VARIABLE version)\n"
-                "    MESSAGE(STATUS \"This is gcc version:: \" ${version})\n"
-                "    if(version LESS 4.9.0)\n"
-                "        MESSAGE(STATUS \"gcc is too old\")\n"
-                "        stop()\n"
-                "    elseif (version LESS 6.1.0)\n"
-                "        MESSAGE(STATUS \"c++11\")\n"
-                "        set(CMAKE_CXX_STD_FLAGS c++11)\n"
-                "    elseif(version LESS 7.1.0)\n"
-                "        set(CMAKE_CXX_STD_FLAGS c++14)\n"
-                "        MESSAGE(STATUS \"c++14\")\n"
-                "    else()\n"
-                "        set(CMAKE_CXX_STD_FLAGS c++17)\n"
-                "        SET(DEFS \"USE_STD_ANY\")\n"
-                "        MESSAGE(STATUS \"c++17\")\n"
-                "\n"
-                "    endif()\n"
-                "else()\n"
-                "    set(CMAKE_CXX_STD_FLAGS c++11)\n"
-                "endif()\n"
-                "if(CMAKE_BUILD_TYPE STREQUAL \"\")\n"
-                "    set(CMAKE_BUILD_TYPE Release)\n"
-                "endif()\n"
-                "\n"
-                "set(CMAKE_CXX_FLAGS_DEBUG \"${CMAKE_CXX_FLAGS_DEBUG} -Wall -std=${CMAKE_CXX_STD_FLAGS}\")\n"
-                "set(CMAKE_CXX_FLAGS_RELEASE \"${CMAKE_CXX_FLAGS_RELEASE} -Wall -std=${CMAKE_CXX_STD_FLAGS}\")\n"
-                "aux_source_directory(./ SRC_DIR)\n"
-                "\n"
-                "FILE(GLOB SCP_LIST ${CMAKE_CURRENT_SOURCE_DIR}/views/*.csp)\n"
-                "foreach(cspFile ${SCP_LIST})\n"
-                "    message(STATUS \"cspFile:\" ${cspFile})\n"
-                "    EXEC_PROGRAM(basename ARGS \"-s .csp ${cspFile}\" OUTPUT_VARIABLE classname)\n"
-                "    message(STATUS \"view classname:\" ${classname})\n"
-                "    add_custom_command(OUTPUT ${classname}.h ${classname}.cc\n"
-                "            COMMAND drogon_ctl\n"
-                "            ARGS create view ${cspFile}\n"
-                "            DEPENDS ${cspFile}\n"
-                "            VERBATIM )\n"
-                "    set(VIEWSRC ${VIEWSRC} ${classname}.cc)\n"
-                "endforeach()\n"
-                "\n"
-                "add_executable("<<projectName<<" ${SRC_DIR} ${VIEWSRC})";
+                "Project("
+             <<projectName
+             <<")\n"
+               "link_libraries(drogon trantor uuid pthread jsoncpp ssl crypto dl z)\n"
+               "IF (CMAKE_SYSTEM_NAME MATCHES \"Linux\")\n"
+               "    EXEC_PROGRAM (gcc ARGS \"--version | grep '^gcc'|awk '{print $3}' | sed s'/)//g' | sed s'/-.*//g'\" OUTPUT_VARIABLE version)\n"
+               "    MESSAGE(STATUS \"This is gcc version:: \" ${version})\n"
+               "    if(version LESS 4.9.0)\n"
+               "        MESSAGE(STATUS \"gcc is too old\")\n"
+               "        stop()\n"
+               "    endif()\n"
+               "    include(CheckCXXCompilerFlag)\n"
+               "    CHECK_CXX_COMPILER_FLAG(\"-std=c++11\" COMPILER_SUPPORTS_CXX11)\n"
+               "    CHECK_CXX_COMPILER_FLAG(\"-std=c++14\" COMPILER_SUPPORTS_CXX14)\n"
+               "    CHECK_CXX_COMPILER_FLAG(\"-std=c++17\" COMPILER_SUPPORTS_CXX17)\n"
+               "    if(COMPILER_SUPPORTS_CXX17)\n"
+               "        message(STATUS \"support c++17\")\n"
+               "        set(CMAKE_CXX_STD_FLAGS c++17)\n"
+               "        set(DEFS \"USE_STD_ANY\")\n"
+               "    elseif(COMPILER_SUPPORTS_CXX14)\n"
+               "        message(STATUS \"support c++14\")\n"
+               "        set(CMAKE_CXX_STD_FLAGS c++14)\n"
+               "    elseif(COMPILER_SUPPORTS_CXX11)\n"
+               "        message(STATUS \"support c++11\")\n"
+               "        set(CMAKE_CXX_STD_FLAGS c++11)\n"
+               "    endif()\n"
+               "else()\n"
+               "    set(CMAKE_CXX_STD_FLAGS c++11)\n"
+               "endif()\n"
+               "if(CMAKE_BUILD_TYPE STREQUAL \"\")\n"
+               "    set(CMAKE_BUILD_TYPE Release)\n"
+               "endif()\n"
+               "\n"
+               "set(CMAKE_CXX_FLAGS_DEBUG \"${CMAKE_CXX_FLAGS_DEBUG} -Wall -std=${CMAKE_CXX_STD_FLAGS}\")\n"
+               "set(CMAKE_CXX_FLAGS_RELEASE \"${CMAKE_CXX_FLAGS_RELEASE} -Wall -std=${CMAKE_CXX_STD_FLAGS}\")\n"
+               "aux_source_directory(./ SRC_DIR)\n"
+               "\n"
+               "FILE(GLOB SCP_LIST ${CMAKE_CURRENT_SOURCE_DIR}/views/*.csp)\n"
+               "foreach(cspFile ${SCP_LIST})\n"
+               "    message(STATUS \"cspFile:\" ${cspFile})\n"
+               "    EXEC_PROGRAM(basename ARGS \"-s .csp ${cspFile}\" OUTPUT_VARIABLE classname)\n"
+               "    message(STATUS \"view classname:\" ${classname})\n"
+               "    add_custom_command(OUTPUT ${classname}.h ${classname}.cc\n"
+               "            COMMAND drogon_ctl\n"
+               "            ARGS create view ${cspFile}\n"
+               "            DEPENDS ${cspFile}\n"
+               "            VERBATIM )\n"
+               "    set(VIEWSRC ${VIEWSRC} ${classname}.cc)\n"
+               "endforeach()\n"
+               "\n"
+               "add_executable("<<projectName<<" ${SRC_DIR} ${VIEWSRC})";
 }
 static void newMainFile(std::ofstream &mainFile)
 {
diff --git a/trantor b/trantor
index 29a0bf27..863a155f 160000
--- a/trantor
+++ b/trantor
@@ -1 +1 @@
-Subproject commit 29a0bf275c33e76fa8830166fceb9d045b65466b
+Subproject commit 863a155f1725062a38b33a845e01be1e27c9286d