diff --git a/CMakeLists.txt b/CMakeLists.txt
index c18c48b2d..5535f6d5f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,6 +91,17 @@ if(WIN32 AND MSVC_VERSION LESS 1900)
   message(FATAL_ERROR "Building with Microsoft compiler needs Latest Visual Studio 2015 (Community or better)")
 endif()
 
+# Strictly require GCC>=4.9 and Clang>=3.4 - GCC 4.8 is already too old for C++14.
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
+    message(FATAL_ERROR "GCC>=4.9 required. In case you are on Ubuntu upgrade via ppa:ubuntu-toolchain-r/test")
+  endif()
+elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+  if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.4)
+    message(FATAL_ERROR "Clang>=3.4 required. In case you are on Ubuntu upgrade via http://apt.llvm.org")
+  endif()
+endif()
+
 include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR}/include/)
 include_directories(BEFORE ${CMAKE_CURRENT_SOURCE_DIR}/include/)
 include_directories(SYSTEM ${CMAKE_CURRENT_SOURCE_DIR}/third_party/sol2/)