From 4ee772cf5dde42bd5b8257a4dc9a33ef5c4c9fa7 Mon Sep 17 00:00:00 2001
From: jpekkila <johannes.pekkila@aalto.fi>
Date: Wed, 19 Jun 2019 16:57:47 +0300
Subject: [PATCH] Set the minimum gcc version required in CMakeLists.txt

---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b20ce8..15a48d9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -47,6 +47,12 @@ message(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
 message(STATUS "CMAKE_CXX_COMPILER: " ${CMAKE_CXX_COMPILER})
 message(STATUS "CMAKE_CXX_COMPILER: " ${CMAKE_CXX_COMPILER_ID})
 
+if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.4)
+        message(FATAL_ERROR "GCC version 5.4 or higher required")    
+    endif()
+endif()
+
 # SDL 2
 set(SDL2_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/3rdparty/SDL2/include/)
 set(SDL2_LIBRARY_DIR ${CMAKE_SOURCE_DIR}/3rdparty/SDL2/build/)