########################################
# ALSA
########################################
IF (UNIX AND NOT APPLE)
	OPTION(ALSA "" ON)

	MESSAGE(STATUS "Checking for ALSA")
	MESSAGE(STATUS "*****************")

	IF (ALSA)
		FIND_PACKAGE(Alsa)

		IF (ALSA_FOUND)
			ALSA_VERSION_STRING(alsaVersion)

			MESSAGE(STATUS "  version: ${alsaVersion}")
			PRINT_LIBRARY_INFO("ALSA" ALSA_FOUND "${_ALSA_INCLUDE_DIR}" "${ASOUND_LIBRARY}")

			SET(USE_ALSA True CACHE BOOL "")
		ENDIF (ALSA_FOUND)
	ELSE (ALSA)
		MESSAGE("${MSG_DISABLE_OPTION}")
	ENDIF (ALSA)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "ALSA" "${USE_ALSA}")
ELSE (UNIX AND NOT APPLE)
	SET(ALSA_CAPABLE FALSE)
ENDIF (UNIX AND NOT APPLE)

########################################
# aRts
########################################
IF (UNIX)
	OPTION(ARTS "" ON)

	MESSAGE(STATUS "Checking for aRts")
	MESSAGE(STATUS "*****************")

	IF (ARTS)
		FIND_PACKAGE(Arts)
		PRINT_LIBRARY_INFO("aRts" ARTS_FOUND "${ARTS_CFLAGS}" "${ARTS_LDFLAGS}")

		IF (ARTS_FOUND)
			SET(USE_ARTS True CACHE BOOL "")
		ENDIF (ARTS_FOUND)
	ELSE (ARTS)
		MESSAGE("${MSG_DISABLE_OPTION}")
	ENDIF (ARTS)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "aRts" "${USE_ARTS}")
ELSE (UNIX)
	SET(ARTS_CAPABLE FALSE)
ENDIF (UNIX)

########################################
# ESD
########################################
IF (UNIX)
	OPTION(ESD "" ON)

	MESSAGE(STATUS "Checking for ESD")
	MESSAGE(STATUS "****************")

	IF (ESD)
		FIND_HEADER_AND_LIB(ESD esd.h esd esd_close)
		PRINT_LIBRARY_INFO("ESD" ESD_FOUND "${ESD_INCLUDE_DIR}" "${ESD_LIBRARY_DIR}")

		IF (ESD_FOUND)
			SET(USE_ESD True CACHE BOOL "")
		ENDIF (ESD_FOUND)
	ELSE (ESD)
		MESSAGE("${MSG_DISABLE_OPTION}")
	ENDIF (ESD)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "ESD" "${USE_ESD}")
ELSE (UNIX)
	SET(ESD_CAPABLE FALSE)
ENDIF (UNIX)

########################################
# JACK
########################################
IF (UNIX)
	OPTION(JACK "" ON)

	MESSAGE(STATUS "Checking for JACK")
	MESSAGE(STATUS "*****************")

	IF (JACK)
		FIND_HEADER_AND_LIB(JACK jack/jack.h jack jack_client_close)
		PRINT_LIBRARY_INFO("JACK" JACK_FOUND "${JACK_INCLUDE_DIR}" "${JACK_LIBRARY_DIR}")

		IF (JACK_FOUND)
			SET(USE_JACK 1)
		ENDIF (JACK_FOUND)
	ELSE (JACK)
		MESSAGE("${MSG_DISABLE_OPTION}")
	ENDIF (JACK)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "JACK" "${USE_JACK}")
ELSE (UNIX)
	SET(JACK_CAPABLE FALSE)
ENDIF (UNIX)

########################################
# Secret Rabbit Code
########################################
IF (JACK_FOUND)
	MESSAGE(STATUS "Checking for Secret Rabbit Code")
	MESSAGE(STATUS "*******************************")

	FIND_HEADER_AND_LIB(SRC samplerate.h samplerate src_get_version)
	PRINT_LIBRARY_INFO("Secret Rabbit Code" SRC_FOUND "${SRC_INCLUDE_DIR}" "${SRC_LIBRARY_DIR}")

	IF (SRC_FOUND)
		SET(USE_SRC 1)
	ENDIF (SRC_FOUND)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "SRC" "${USE_SRC}")
ENDIF (JACK_FOUND)

########################################
# OSS
########################################
IF (UNIX AND NOT APPLE)
	OPTION(OSS "" ON)

	MESSAGE(STATUS "Checking for OSS")
	MESSAGE(STATUS "****************")

	IF (OSS)
		FIND_HEADER_AND_LIB(OSS sys/soundcard.h)
		PRINT_LIBRARY_INFO("OSS" OSS_FOUND "${OSS_INCLUDE_DIR}" "")

		IF (OSS_FOUND)
			SET(USE_OSS 1)
		ENDIF (OSS_FOUND)
	ELSE (OSS)
		MESSAGE("${MSG_DISABLE_OPTION}")
	ENDIF (OSS)

	MESSAGE("")
	APPEND_SUMMARY_LIST("Audio Device" "OSS" "${USE_OSS}")
ELSE (UNIX AND NOT APPLE)
	SET(OSS_CAPABLE FALSE)
ENDIF (UNIX AND NOT APPLE)

########################################
# PulseAudioSimple
########################################
IF (UNIX AND NOT APPLE)
	OPTION(PULSEAUDIOSIMPLE "" ON)

	MESSAGE(STATUS "Checking for PULSEAUDIOSIMPLE")
	MESSAGE(STATUS "*****************************")

        IF (PULSEAUDIOSIMPLE)
        IF (PULSEAUDIOSIMPLE_INCLUDE_DIR AND PULSEAUDIOSIMPLE_LIBRARIES)
        # in cache already
         SET(PULSEAUDIOSIMPLE_FIND_QUIETLY TRUE)
        ENDIF (PULSEAUDIOSIMPLE_INCLUDE_DIR AND PULSEAUDIOSIMPLE_LIBRARIES)

           # use pkg-config to get the directories and then use these values
        # in the FIND_PATH() and FIND_LIBRARY() calls
        include(FindPkgConfig)
        pkg_check_modules(PULSEAUDIOSIMPLE libpulse-simple)
        IF (PULSEAUDIOSIMPLE_FOUND)
          SET(PULSEAUDIOSIMPLE_DEFINITIONS ${PULSEAUDIOSIMPLE_CFLAGS})
          FIND_PATH(PULSEAUDIOSIMPLE_INCLUDE_DIR pulse/simple.h PATHS ${PULSEAUDIOSIMPLE_INCLUDE_DIRS} PATH_SUFFIXES pulse)
          FIND_LIBRARY(PULSEAUDIOSIMPLE_LIBRARIES NAMES pulse-simple libpulse-simple PATHS ${PULSEAUDIOSIMPLE_LIBRARY_DIRS})
        ENDIF (PULSEAUDIOSIMPLE_FOUND)

        IF (PULSEAUDIOSIMPLE_INCLUDE_DIR AND PULSEAUDIOSIMPLE_LIBRARIES)
         SET(PULSEAUDIOSIMPLE_FOUND TRUE)
        ELSE (PULSEAUDIOSIMPLE_INCLUDE_DIR AND PULSEAUDIOSIMPLE_LIBRARIES)
         SET(PULSEAUDIOSIMPLE_FOUND FALSE)
        ENDIF (PULSEAUDIOSIMPLE_INCLUDE_DIR AND PULSEAUDIOSIMPLE_LIBRARIES)

        IF (PULSEAUDIOSIMPLE_FOUND)
         IF (NOT PULSEAUDIOSIMPLE_FIND_QUIETLY)
          MESSAGE(STATUS "Found PulseAudio Simple: ${PULSEAUDIOSIMPLE_LIBRARIES}")
        ENDIF (NOT PULSEAUDIOSIMPLE_FIND_QUIETLY)
        SET(USE_PULSE_SIMPLE 1)
        ELSE (PULSEAUDIOSIMPLE_FOUND)
         MESSAGE(STATUS "Could NOT find PulseAudioSimple\n")
        ENDIF (PULSEAUDIOSIMPLE_FOUND)

        MARK_AS_ADVANCED(PULSEAUDIOSIMPLE_INCLUDE_DIR PULSEAUDIOSIMPLE_LIBRARIES)
        ELSE (PULSEAUDIOSIMPLE)
                MESSAGE("${MSG_DISABLE_OPTION}")
        ENDIF (PULSEAUDIOSIMPLE)

        MESSAGE("")
		APPEND_SUMMARY_LIST("Audio Device" "PulseAudio" "${USE_PULSE_SIMPLE}")
ELSE (UNIX AND NOT APPLE)
	SET(PULSEAUDIOSIMPLE_CAPABLE FALSE)
ENDIF (UNIX AND NOT APPLE)