[added] gcc min version check

Change-Id: Iea13132dd6d8d41b719c1a2af596c8ac691432a4
TheAnswer · Oct 19, 2018 · 27dfb8e · 27dfb8e
1 parent 6f8ec58
commit 27dfb8e
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Showing 2 changed files with 6 additions and 3 deletions.
diff --git a/MMOCoreORB/CMakeLists.txt b/MMOCoreORB/CMakeLists.txt
@@ -5,6 +5,7 @@ cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
 
 project(core3 CXX C)
 
+include(CheckCXXSourceCompiles)
 # Set cmake paths
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
 
@@ -13,7 +14,9 @@ set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED True)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-include(CheckCXXSourceCompiles)
+if (CMAKE_COMPILER_IS_GNUCC AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.4)
+	message(FATAL_ERROR "Only GCC 5.4 or greater is supported")
+endif()
 
 # Set up options
 option(BUILD_IDL "Generate idl c++ sources with cmake" ON)

diff --git a/MMOCoreORB/cmake/Modules/FindGccAtomic.cmake b/MMOCoreORB/cmake/Modules/FindGccAtomic.cmake
@@ -17,6 +17,6 @@ IF (GCCLIBATOMIC_LIBRARY)
     MESSAGE(STATUS "Found GCC's libatomic.so: lib=${GCCLIBATOMIC_LIBRARY}")
 ELSE ()
     SET(GCCLIBATOMIC_FOUND FALSE)
-    MESSAGE(STATUS "GCC's libatomic.so not found. This library is essential in AArch64 (if you are on x86, this doesn't matter)")
-    MESSAGE(STATUS "Try: 'sudo yum install libatomic' (or sudo apt-get install libatomic1)")
+    MESSAGE(STATUS "GCC's libatomic.so not found.")
+    MESSAGE(STATUS "Try: 'sudo yum install libatomic' or 'sudo apt-get install libatomic1')")
 ENDIF ()