Android.mk

# external/alsa-lib/Android.mk
#
# Copyright 2008 Wind River Systems
#

#ifeq ($(strip $(BOARD_USES_ALSA_AUDIO)),true)

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)

##
## Copy ALSA configuration files to rootfs
##
LOCAL_ALSA_CONF_DIR  := $(LOCAL_PATH)/src/conf

alsa_conf_files := \
	alsa.conf \
	pcm/dsnoop.conf \
	pcm/modem.conf \
	pcm/dpl.conf \
	pcm/default.conf \
	pcm/surround51.conf \
	pcm/surround41.conf \
	pcm/surround50.conf \
	pcm/dmix.conf \
	pcm/center_lfe.conf \
	pcm/surround40.conf \
	pcm/side.conf \
	pcm/iec958.conf \
	pcm/rear.conf \
	pcm/surround71.conf \
	pcm/front.conf \
	cards/aliases.conf

include $(CLEAR_VARS)
LOCAL_MODULE       := alsa-conf
LOCAL_MODULE_TAGS  := optional eng
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_PATH  := $(TARGET_OUT)/usr/share/alsa
include $(BUILD_PREBUILT)

$(LOCAL_INSTALLED_MODULE):
	rm -rf $(TARGET_OUT)/usr/share/alsa
	mkdir -p $(TARGET_OUT)/usr/share/alsa
	cd $(@D) && tar xvfz $(abspath $<)

$(LOCAL_BUILT_MODULE):
	mkdir -p $(@D)
	cd external/alsa-lib/src/conf && tar cvfz $(abspath $@) $(alsa_conf_files)

include $(CLEAR_VARS)

LOCAL_MODULE := libasound

LOCAL_MODULE_TAGS := optional eng
LOCAL_PRELINK_MODULE := false
LOCAL_ARM_MODE := arm

LOCAL_C_INCLUDES += $(LOCAL_PATH)/include

# libasound must be compiled with -fno-short-enums, as it makes extensive
# use of enums which are often type casted to unsigned ints.
LOCAL_CFLAGS := \
	-fPIC -DPIC -D_POSIX_SOURCE \
	-DALSA_CONFIG_DIR=\"/system/usr/share/alsa\" \
	-DALSA_DEVICE_DIRECTORY=\"/dev/snd/\"

LOCAL_SRC_FILES := $(sort $(call all-c-files-under, src))

# It is easier to exclude the ones we don't want...
#
LOCAL_SRC_FILES := $(filter-out src/alisp/alisp.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/alisp/alisp_snd.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/compat/hsearch_r.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/control/control_shm.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/pcm/pcm_d%.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/pcm/pcm_ladspa.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/pcm/pcm_shm.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/pcm/scopes/level.c, $(LOCAL_SRC_FILES))
LOCAL_SRC_FILES := $(filter-out src/shmarea.c, $(LOCAL_SRC_FILES))

LOCAL_SHARED_LIBRARIES := \
    libdl

include $(BUILD_SHARED_LIBRARY)

#endif