From cfcfe71097693023127a8ee8ac77ad5b4362e73e Mon Sep 17 00:00:00 2001
From: Treeston <treeston.mmoc@gmail.com>
Date: Mon, 24 Aug 2020 17:44:38 +0200
Subject: Build: Add Clang version guard to CMake (PR #25324)

(cherry picked from commit 27b1930d97d541c241655d8b820cbaebe6eec44e)
---
 cmake/compiler/clang/settings.cmake | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'cmake/compiler/clang/settings.cmake')

diff --git a/cmake/compiler/clang/settings.cmake b/cmake/compiler/clang/settings.cmake
index 2a3ed8e1dd3..716750d8715 100644
--- a/cmake/compiler/clang/settings.cmake
+++ b/cmake/compiler/clang/settings.cmake
@@ -5,6 +5,14 @@ target_compile_definitions(trinity-compile-option-interface
   INTERFACE
     -D_BUILD_DIRECTIVE="$<CONFIG>")
 
+set(CLANG_EXPECTED_VERSION 7.0.0)
+
+if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS CLANG_EXPECTED_VERSION)
+  message(FATAL_ERROR "Clang: TrinityCore requires version ${CLANG_EXPECTED_VERSION} to build but found ${CMAKE_CXX_COMPILER_VERSION}")
+else()
+  message(STATUS "Clang: Minimum version required is ${CLANG_EXPECTED_VERSION}, found ${CMAKE_CXX_COMPILER_VERSION} - ok!")
+endif()
+
 if(WITH_WARNINGS)
   target_compile_options(trinity-warning-interface
     INTERFACE
-- 
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