在android.mk文件中构建ndk时出现错误

巴拉格·Ja那

我在ndk构建期间遇到错误。我的项目Android NDK中只有一个android.mk文件和一个Application.mk文件：尝试在/home/parag.j/AndroidArm//jni/Android.mk中定义本地模块'protobuf'。
Android NDK：但此模块已经由/home/parag.j/AndroidArm//jni/Android.mk定义。

这是我的Android.mk文件

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE=ndktest
LOCAL_SRC_FILES=ndktest.cpp
include $(CLEAR_VARS)
LOCAL_MODULE := c++_shared
LOCAL_SRC_FILES := $(LOCAL_PATH)/inc/build/libc++_shared.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := armnn
LOCAL_SRC_FILES := $(LOCAL_PATH)/inc/build/libarmnn.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := armnnTfParser
LOCAL_SRC_FILES := $(LOCAL_PATH)/inc/build/libarmnnTfParser.so
include $(PREBUILT_SHARED_LIBRARY)
include $(CLEAR_VARS)
LOCAL_MODULE := protobuf
LOCAL_SRC_FILES := $(LOCAL_PATH)/inc/build/libprotobuf.so
include $(PREBUILT_SHARED_LIBRARY)
LOCAL_LDLIBS    += -lm -llog -landroid
LOCAL_CFLAGS += -DARM_NEON_64BIT -O3 -mfpu=neon -mcpu=kryo -std=c++14 -pie
LOCAL_SHARED_LIBRARIES := opencv_java3 armnn armnnTfParser protobuf c++_shared
LOCAL_C_INCLUDES  :=   $(LOCAL_PATH)/inc/include\
include $(BUILD_SHARED_LIBRARY)

这是我的Application.mk文件

APP_ABI:=arm64-v8a 
APP_CFLAGS += -Ofast
APP_OPTIM := release
APP_STL := gnustl_static
APP_CPPFLAGS := -frtti -fexceptions
APP_PLATFORM := android-22
ANDROID_TOOLCHAIN_NAME := clang++

比目鱼

您忘记了（重新设置）LOCAL_MODULEmakefile的最后一部分。我认为最后几行应该是：

LOCAL_MODULE=ndktest
LOCAL_SRC_FILES=ndktest.cpp
LOCAL_LDLIBS    += -lm -llog -landroid
LOCAL_CFLAGS += -DARM_NEON_64BIT -O3 -mfpu=neon -mcpu=kryo -std=c++14 -pie
LOCAL_SHARED_LIBRARIES := opencv_java3 armnn armnnTfParser protobuf c++_shared
LOCAL_C_INCLUDES  :=   $(LOCAL_PATH)/inc/include
include $(BUILD_SHARED_LIBRARY)

（当然，要摆脱文件开头的ndktest行）

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