編譯JNI動態庫so

LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)TARGET_PLATFORM := android-3LOCAL_MODULE    := serial_portLOCAL_SRC_FILES := SerialPort.c#LOCAL_LDLIBS    := -llogLOCAL_LDLIBS := -L$(SYSROOT)/usr/lib -llogLOCAL_SHARED_LIBRARIES += \                          libcutils libutilsLOCAL_MODULE_TAGS := optional enginclude $(BUILD_SHARED_LIBRARY) 出現過錯誤：添加 LOCAL_LDLIBS := -L$(SYSROOT)/usr/lib -llogLOCAL_SHARED_LIBRARIES += \                          libcutils libutils

後問題解決 PLATFORM_VERSION_CODENAME=RELPLATFORM_VERSION=4.0.4TARGET_PRODUCT=msm8x25_y300TARGET_BUILDSPEC=TARGET_BUILD_VARIANT=engTARGET_BUILD_TYPE=releaseTARGET_BUILD_APPS=TARGET_ARCH=armTARGET_ARCH_VARIANT=armv7-a-neonHOST_ARCH=x86HOST_OS=linuxHOST_BUILD_TYPE=releaseBUILD_ID=IMM76I============================================No
private recovery resources for TARGET_DEVICE msm8x25_y300make: Entering directory `/home/yuanwei/code/8x25'target SharedLib: serial_port (out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/LINKED/serial_port.so)prebuilt/linux-x86/toolchain/arm-linux-androideabi-4.4.x/bin/../lib/gcc/arm-linux-androideabi/4.4.3/../../../../arm-linux-androideabi/bin/ld:
out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/SerialPort.o: in function Java_android_1serialport_1api_SerialPort_close:external/serial/SerialPort.c:168: error: undefined reference to '__android_log_print'prebuilt/linux-x86/toolchain/arm-linux-androideabi-4.4.x/bin/../lib/gcc/arm-linux-androideabi/4.4.3/../../../../arm-linux-androideabi/bin/ld:
out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/SerialPort.o: in function Java_android_1serialport_1api_SerialPort_open:external/serial/SerialPort.c:101: error: undefined reference to '__android_log_print'prebuilt/linux-x86/toolchain/arm-linux-androideabi-4.4.x/bin/../lib/gcc/arm-linux-androideabi/4.4.3/../../../../arm-linux-androideabi/bin/ld:
out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/SerialPort.o: in function Java_android_1serialport_1api_SerialPort_open:external/serial/SerialPort.c:103: error: undefined reference to '__android_log_print'prebuilt/linux-x86/toolchain/arm-linux-androideabi-4.4.x/bin/../lib/gcc/arm-linux-androideabi/4.4.3/../../../../arm-linux-androideabi/bin/ld:
out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/SerialPort.o: in function Java_android_1serialport_1api_SerialPort_open:external/serial/SerialPort.c:117: error: undefined reference to '__android_log_print'collect2: ld returned
1 exit statusmake: *** [out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/LINKED/serial_port.so] Error 1結果：No private recovery resources for TARGET_DEVICE msm8x25_y300make: Entering directory `/home/yuanwei/code/8x25'target SharedLib:
serial_port (out/target/product/msm8x25_y300/obj/SHARED_LIBRARIES/serial_port_intermediates/LINKED/serial_port.so)target Symbolic: serial_port (out/target/product/msm8x25_y300/symbols/system/lib/serial_port.so)target Strip: serial_port (out/target/product/msm8x25_y300/obj/lib/serial_port.so)Install:
out/target/product/msm8x25_y300/system/lib/serial_port.so

產生了serial_port.so並改為libserial_port.so 後打包到APK的libs/armeabi 目錄下。