diff --git a/game-music-emu/CMakeLists.txt b/game-music-emu/CMakeLists.txt
index 3251b5c02..8ceb1b4b7 100644
--- a/game-music-emu/CMakeLists.txt
+++ b/game-music-emu/CMakeLists.txt
@@ -33,50 +33,51 @@ endif()
 set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ZD_FASTMATH_FLAG}" )
 
 # Default emulators to build (all of them! ;)
-if (NOT DEFINED USE_GME_AY)
-    SET(USE_GME_AY 1 CACHE BOOL "Enable support for Spectrum ZX music emulation")
-endif()
+# [ZDoom] No options, enable all of them by default.
+#if (NOT DEFINED USE_GME_AY)
+    SET(USE_GME_AY 1 BOOL "Enable support for Spectrum ZX music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_GBS)
-    SET(USE_GME_GBS 1 CACHE BOOL "Enable support for Game Boy music emulation")
-endif()
+#if (NOT DEFINED USE_GME_GBS)
+    SET(USE_GME_GBS 1 BOOL "Enable support for Game Boy music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_GYM)
-    SET(USE_GME_GYM 1 CACHE BOOL "Enable Sega MegaDrive/Genesis music emulation")
-endif()
+#if (NOT DEFINED USE_GME_GYM)
+    SET(USE_GME_GYM 1 BOOL "Enable Sega MegaDrive/Genesis music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_HES)
-    SET(USE_GME_HES 1 CACHE BOOL "Enable PC Engine/TurboGrafx-16 music emulation")
-endif()
+#if (NOT DEFINED USE_GME_HES)
+    SET(USE_GME_HES 1 BOOL "Enable PC Engine/TurboGrafx-16 music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_KSS)
-    SET(USE_GME_KSS 1 CACHE BOOL "Enable MSX or other Z80 systems music emulation")
-endif()
+#if (NOT DEFINED USE_GME_KSS)
+    SET(USE_GME_KSS 1 BOOL "Enable MSX or other Z80 systems music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_NSF)
-    SET(USE_GME_NSF 1 CACHE BOOL "Enable NES NSF music emulation")
-endif()
+#if (NOT DEFINED USE_GME_NSF)
+    SET(USE_GME_NSF 1 BOOL "Enable NES NSF music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_NSFE)
-    SET(USE_GME_NSFE 1 CACHE BOOL "Enable NES NSFE and NSF music emulation")
-endif()
+#if (NOT DEFINED USE_GME_NSFE)
+    SET(USE_GME_NSFE 1 BOOL "Enable NES NSFE and NSF music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_SAP)
-    SET(USE_GME_SAP 1 CACHE BOOL "Enable Atari SAP music emulation")
-endif()
+#if (NOT DEFINED USE_GME_SAP)
+    SET(USE_GME_SAP 1 BOOL "Enable Atari SAP music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_SPC)
-    SET(USE_GME_SPC 1 CACHE BOOL "Enable SNES SPC music emulation")
-endif()
+#if (NOT DEFINED USE_GME_SPC)
+    SET(USE_GME_SPC 1 BOOL "Enable SNES SPC music emulation")
+#endif()
 
-if (NOT DEFINED USE_GME_VGM)
-    SET(USE_GME_VGM 1 CACHE BOOL "Enable Sega VGM/VGZ music emulation")
-endif()
+#if (NOT DEFINED USE_GME_VGM)
+    SET(USE_GME_VGM 1 BOOL "Enable Sega VGM/VGZ music emulation")
+#endif()
 
-if (USE_GME_NSFE AND NOT USE_GME_NSF)
-    MESSAGE(" -- NSFE support requires NSF, enabling NSF support. --")
-    SET(USE_GME_NSF 1 CACHE BOOL "Enable NES NSF music emulation" FORCE)
-endif()
+#if (USE_GME_NSFE AND NOT USE_GME_NSF)
+    # MESSAGE(" -- NSFE support requires NSF, enabling NSF support. --")
+    SET(USE_GME_NSF 1 BOOL "Enable NES NSF music emulation")
+#endif()
 
 # Check for GCC "visibility" support.
 if (CMAKE_COMPILER_IS_GNUCXX)