diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index ac9a2dd76..35a1a08a8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,44 +6,21 @@ cmake_minimum_required(VERSION 2.6.0)
 set(PROJECTM_ROOT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 
 if(EMSCRIPTEN)
-  SET(INCLUDE-PROJECTM-QT OFF)
-  SET(INCLUDE-PROJECTM-PULSEAUDIO OFF)
-  SET(INCLUDE-PROJECTM-LIBVISUAL OFF)
-  SET(INCLUDE-PROJECTM-TEST OFF)
-  SET(INCLUDE-PROJECTM-EMSCRIPTEN ON)
-  SET(INCLUDE-NATIVE-SAMPLES OFF)
+  SET(EMSCRIPTEN-DEFAULT ON)
+elseif(EMSCRIPTEN)
+  SET(EMSCRIPTEN-DEFAULT OFF)
 endif(EMSCRIPTEN)
 
-IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-  # sensible OSX defaults
-  SET(INCLUDE-PROJECTM-QT OFF)
-  SET(INCLUDE-PROJECTM-PULSEAUDIO OFF)
-  SET(INCLUDE-PROJECTM-LIBVISUAL OFF)
-  SET(INCLUDE-PROJECTM-TEST OFF)
-  SET(INCLUDE-PROJECTM-EMSCRIPTEN OFF)
-  SET(INCLUDE-PROJECTM-SDL ON)
-  SET(INCLUDE-NATIVE-SAMPLES ON)
-ELSE(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-  # sensible other OS defaults? whatever's easiest to build
-  SET(INCLUDE-PROJECTM-QT OFF)
-  SET(INCLUDE-PROJECTM-PULSEAUDIO OFF)
-  SET(INCLUDE-PROJECTM-LIBVISUAL OFF)
-  SET(INCLUDE-PROJECTM-TEST OFF)
-  SET(INCLUDE-PROJECTM-EMSCRIPTEN OFF)
-  SET(INCLUDE-PROJECTM-SDL ON)
-  SET(INCLUDE-NATIVE-SAMPLES ON)
-ENDIF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-
-OPTION(INCLUDE-PROJECTM-QT "Build the projectM Qt4 user interface extension library (recommended)" ${INCLUDE-PROJECTM-QT})
-OPTION(INCLUDE-PROJECTM-PULSEAUDIO "Build the projectM pulse audio client (recommended for fedora users)" ${INCLUDE-PROJECTM-PULSEAUDIO})
-OPTION(INCLUDE-PROJECTM-LIBVISUAL "Build the projectM libvisual client" ${INCLUDE-PROJECTM-LIBVISUAL})
-OPTION(INCLUDE-PROJECTM-LIBVISUAL-ALSA "Build experimental libvisual / alsa input standalone client" ${INCLUDE-PROJECTM-LIBVISUAL-ALSA})
-OPTION(INCLUDE-PROJECTM-JACK "Build the projectM JACK client" ${INCLUDE-PROJECTM-JACK})
-OPTION(INCLUDE-PROJECTM-TEST "Build the projectM test suite" ${INCLUDE-PROJECTM-TEST})
-OPTION(INCLUDE-PROJECTM-EMSCRIPTEN "Build projectM for the web (emscripten)" ${INCLUDE-PROJECTM-EMSCRIPTEN})
-OPTION(INCLUDE-PROJECTM-XMMS "Build the projectM xmms module (deprecated, use audacious instead)" ${INCLUDE-PROJECTM-XMMS})
-OPTION(INCLUDE-PROJECTM-SDL "Build the projectM SDL application" ${INCLUDE-PROJECTM-SDL})
-OPTION(INCLUDE-NATIVE-SAMPLES "Build the projectM native preset sample collection " ${INCLUDE-NATIVE-SAMPLES})
+OPTION(INCLUDE-PROJECTM-QT "Build the projectM Qt4 user interface extension library (recommended)" OFF)
+OPTION(INCLUDE-PROJECTM-PULSEAUDIO "Build the projectM pulse audio client (recommended for fedora users)" OFF)
+OPTION(INCLUDE-PROJECTM-LIBVISUAL "Build the projectM libvisual client" OFF)
+OPTION(INCLUDE-PROJECTM-LIBVISUAL-ALSA "Build experimental libvisual / alsa input standalone client" OFF)
+OPTION(INCLUDE-PROJECTM-JACK "Build the projectM JACK client" OFF)
+OPTION(INCLUDE-PROJECTM-TEST "Build the projectM test suite" OFF)
+OPTION(INCLUDE-PROJECTM-EMSCRIPTEN "Build projectM for the web (emscripten)" ${EMSCRIPTEN-DEFAULT})
+OPTION(INCLUDE-PROJECTM-XMMS "Build the projectM xmms module (deprecated, use audacious instead)" OFF)
+OPTION(INCLUDE-PROJECTM-SDL "Build the projectM SDL application" ON)
+OPTION(INCLUDE-NATIVE-SAMPLES "Build the projectM native preset sample collection " ON)
 
 add_subdirectory (libprojectM)