cmake: always build libgme, even if SRB2_CONFIG_SYSTEM_LIBRARIES

CMakeLists.txt

@@ -132,7 +132,12 @@ if("${SRB2_CONFIG_SYSTEM_LIBRARIES}")
 	find_package(PNG REQUIRED)
 	find_package(SDL2 REQUIRED)
 	find_package(CURL REQUIRED)
-	find_package(GME REQUIRED)
+
+	# libgme defaults to "Nuked" YM2612 emulator, which is
+	# very SLOW. The system library probably uses the
+	# default so just always build it.
+	#find_package(GME REQUIRED)
+
 	if (SRB2_CONFIG_ENABLE_WEBM_MOVIES)
 		find_package(VPX REQUIRED)
 		find_package(Vorbis REQUIRED)

thirdparty/CMakeLists.txt

@@ -14,9 +14,9 @@ if(NOT "${SRB2_CONFIG_SYSTEM_LIBRARIES}")
 	include("cpm-zlib.cmake")
 	include("cpm-png.cmake")
 	include("cpm-curl.cmake")
-	include("cpm-libgme.cmake")
 endif()
 
+include("cpm-libgme.cmake")
 include("cpm-glm.cmake")
 include("cpm-rapidjson.cmake")
 include("cpm-discordrpc.cmake")

thirdparty/cpm-libgme.cmake

@@ -11,5 +11,6 @@ CPMAddPackage(
 
 if(libgme_ADDED)
 	target_compile_features(gme PRIVATE cxx_std_11)
-	target_link_libraries(gme PRIVATE ZLIB::ZLIB)
+	# libgme's CMakeLists.txt already links this
+	#target_link_libraries(gme PRIVATE ZLIB::ZLIB)
 endif()