cmake codec cleanup

Author: pschatzmann

tests/codec/CMakeLists.txt

@@ -12,21 +12,11 @@ endif()
 
 include(FetchContent)
 
-# Build with Portaudio 
-FetchContent_Declare(portaudio GIT_REPOSITORY "https://github.com/PortAudio/portaudio.git" GIT_TAG v19.7.0 )
-FetchContent_GetProperties(portaudio)
-if(NOT portaudio_POPULATED)
-    FetchContent_Populate(portaudio)
-    add_subdirectory(${portaudio_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/portaudio)
+# Build with arduino-audio-tools
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+    add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/../.. ${CMAKE_CURRENT_BINARY_DIR}/arduino-audio-tools )
 endif()
 
-# Build with Linux Arduino Emulator
-FetchContent_Declare(arduino_emulator GIT_REPOSITORY "https://github.com/pschatzmann/Arduino-Emulator.git" GIT_TAG main )
-FetchContent_GetProperties(arduino_emulator)
-if(NOT arduino_emulator_POPULATED)
-    FetchContent_Populate(arduino_emulator)
-    add_subdirectory(${arduino_emulator_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}/emulator)
-endif()
 
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/aac-fdk ${CMAKE_CURRENT_BINARY_DIR}/aac-fdk)
 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/aac-fdk-encode ${CMAKE_CURRENT_BINARY_DIR}/aac-fdk-encode)