From 2f0ba177802ba3a1b35150c553b7c801c05c41c9 Mon Sep 17 00:00:00 2001
From: germanaizek <GermanAizek@yandex.ru>
Date: Fri, 10 Jun 2022 14:58:10 +0300
Subject: [PATCH] Added support building on MSVC toolkit ClangCL

More info in answer: https://stackoverflow.com/questions/49480535/how-to-differentiate-between-clang-and-clang-cl
---
 CMakeLists.txt | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2f8c5c..3f72db2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -9,9 +9,17 @@ PROJECT(${NAME})
 ENABLE_TESTING()
 
 # Update if necessary
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
-SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
+IF(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  IF("${CMAKE_CXX_SIMULATE_ID}" STREQUAL "MSVC")
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17")
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /O2")
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /O2")
+  else()
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
+  endif()
+endif()
 
 # BUILD AND INCLUDE GOOGLETEST
 ADD_SUBDIRECTORY(libs/googletest/)