[RK3399][Android7.1] 调试笔记 --- LOCAL_PROPRIETARY_MODULE定义作用

Platform: RK3399
OS: Android 7.1
Kernel: v4.4.83

调试Audio HAL层发现在out/target/product/rk3399_mid/system/lib/hw 目录下没看到
audio.primary.rk30board.so,
而是放在了out/target/product/rk3399_mid/system/vendor/lib/hw 目录下。

kris@eco:~/rk3399/out/target/product/rk3399_mid/system/vendor/lib/hw$ ls
audio.primary.rk30board.so  lights.rk3399.so  power.rk3399.so

除了Audio之外,还有light和power这两个模块的库也生成到了此目录。


路径控制主要是在Android.mk中

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE := audio.primary.$(TARGET_BOARD_HARDWARE)
LOCAL_PROPRIETARY_MODULE := true
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_SRC_FILES := \
    audio_hw.c \
    alsa_route.c \
    alsa_mixer.c \
    audio_hw_hdmi.c

其中的LOCAL_PROPRIETARY_MODULE定义就是控制生成路径到system/vendor/lib,否则就是system/lib

像Camera模块没定义LOCAL_PROPRIETARY_MODULE,因此和rk3288 Android6.0平台一样还是生成到
out/target/product/rk3399_mid/system/lib/hw

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转载自blog.csdn.net/kris_fei/article/details/81184513