rtaudio: Split thirdparty files

drivers/rtaudio/SCsub

@@ -1,4 +1,18 @@
 Import('env')
-Export('env');
 
-env.add_source_files(env.drivers_sources,"*.cpp")
+# Not cloning the env, the includes need to be accessible for platform/
+
+# Thirdparty source files
+thirdparty_dir = "#thirdparty/rtaudio/"
+thirdparty_sources = [
+	"RtAudio.cpp",
+]
+thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
+
+env.add_source_files(env.drivers_sources, thirdparty_sources)
+env.Append(CPPPATH = [thirdparty_dir])
+
+# Driver source files
+env.add_source_files(env.drivers_sources, "*.cpp")
+
+Export('env')