kc3-lang/SDL

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 76cc3c5..afbddce 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -23,6 +23,11 @@ if(WINDOWS_STORE)
   target_compile_options(sdl-build-options INTERFACE "-ZW")
 endif()
 
+# Build in parallel under Visual Studio. Not enabled by default.
+if(MSVC)
+  target_compile_options(sdl-build-options INTERFACE "/MP")
+endif(MSVC)
+
 
 # !!! FIXME: this should probably do "MACOSX_RPATH ON" as a target property
 # !!! FIXME:  for the SDL2 shared library (so you get an