From 0e45bb8ee956814167ecead95fd9e76b2295c435 Mon Sep 17 00:00:00 2001
From: Nicolas Hake <isilkor@openclonk.org>
Date: Sun, 25 Feb 2018 11:18:24 +0100
Subject: [PATCH] Enable SSE2 for BLAKE2 library

---
 thirdparty/blake2/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/thirdparty/blake2/CMakeLists.txt b/thirdparty/blake2/CMakeLists.txt
index 7cdd2b045..0292edee1 100644
--- a/thirdparty/blake2/CMakeLists.txt
+++ b/thirdparty/blake2/CMakeLists.txt
@@ -34,5 +34,10 @@ target_sources(blake2
 	blake2-impl.h
 )
 
+include(CheckCCompilerFlag)
+CHECK_C_COMPILER_FLAG("-msse2" HAVE_CFLAG_MSSE2)
 target_compile_definitions(blake2 PRIVATE -DHAVE_SSE2)
+if(HAVE_CFLAG_MSSE2)
+	target_compile_options(blake2 PUBLIC -msse2)
+endif()
 target_include_directories(blake2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})