fix windows build

Vova Manannikov · Vova Manannikov · commit 6e6ea4afbe83 · 2020-03-23T01:03:49.000+03:00
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -16,6 +16,7 @@ IF (UNIX)
 ENDIF(UNIX)
 
 if(WIN32)
+  include(CheckCXXCompilerFlag)
   check_cxx_compiler_flag(/d2FH4- HAS_D2FH4)
   if (HAS_D2FH4)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /d2FH4-")
