没有生成目标NDK的规则
我正在编译原生源代码，并使用.a库和具有以下结构的相关头文件添加依赖项。
/jni/
Android.mk
LOCAL_PATH := $(call my-dir)
include $(call all-subdir-makefiles)
include $(CLEAR_VARS)
LOCAL_LDLIBS := -llog
LOCAL_MODULE := ndk1
LOCAL_SRC_FILES := native.c
LOCAL_STATIC_LIBRARY := mschema
include $(BUILD_SHARED_LIBRARY)native.c
/jni/prereqs/
Android.mk
LOCAL_PATH := $(call my-dir)
include $(call all-subdir-makefiles)
include $(CLEAR_VARS)--用于调用子文件夹mk files
/jni/prereqs/mschema/
Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE :=mschema
LOCAL_SRC_FILES :=libmschema.a
LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/include
include $(PREBUILT_STATIC_LIBRARY)库模式a.a
/jni/prereqs/mschema/include
头文件。(.h)
但是在尝试ndk-build (NDK5)时，我得到了以下错误。
marcos@marcos-AY675AA-AC4-s5320br:~/dev/workspace/rmsdk.native.wraper$ ndk-buildmake:
*** No rule to make target `/home/marcos/dev/workspace/rmsdk.native.wraper/jni/prereqs/mschema/native.c', needed by `/home/marcos/dev/workspace/rmsdk.native.wraper/obj/local/armeabi/objs/ndk1/native.o'. Stop.当我输入的时候，我注意到这个错误是关于/home/marcos/dev/workspace/rmsdk.native.wraper/jni/prereqs/mschema/native.c' and actually this file is under/home/marcos/dev/workspace/rmsdk.native.wraper/jni/native.c'，的，我的make文件出了什么问题？
可以通过将第一个Android.mk更改为以下内容来避免该问题：
LOCAL_PATH := $(call my-dir)
include $(call all-subdir-makefiles)
LOCAL_PATH :=/home/marcos/dev/workspace/rmsdk.native.wraper/jni
include $(CLEAR_VARS)
LOCAL_LDLIBS := -llog
LOCAL_MODULE := ndk1
LOCAL_SRC_FILES := native.c
LOCAL_STATIC_LIBRARY := mschema
include $(BUILD_SHARED_LIBRARY)但这看起来是错的。有没有更好的方法？
回答 2
Stack Overflow用户
发布于 2011-01-11 02:31:05
根据NDK 5中的文档，解决方案是创建一个局部变量。
my-dir返回最后包含的Makefile的路径，通常是当前Android.mk的目录。这对于在Android.mk开头定义LOCAL_PATH非常有用，如下所示：
LOCAL_PATH := $(call my-dir)
IMPORTANT NOTE: Due to the way GNU Make works, this really returns
the path of the *last* *included* *Makefile* during the parsing of
build scripts. Do not call my-dir after including another file.所以..。为了解决这个问题，我将我的Android.mk更改为以下内容。
LOCAL_PATH := $(call my-dir)
MY_PATH := $(LOCAL_PATH)
include $(call all-subdir-makefiles)
include $(CLEAR_VARS)
LOCAL_PATH := $(MY_PATH)
LOCAL_LDLIBS := -llog -ldl
LOCAL_MODULE := rmsdk
LOCAL_SRC_FILES := native.c
include $(BUILD_SHARED_LIBRARY)和它的作品。
Stack Overflow用户
发布于 2013-09-16 15:40:27
我认为在包含子makefile之后定义本地路径是正确的。
LOCAL_PATH := $(call my-dir)
MY_PATH := $(LOCAL_PATH)
include $(call all-subdir-makefiles)
include $(CLEAR_VARS)
LOCAL_PATH := $(MY_PATH)
LOCAL_LDLIBS := -llog -ldl
LOCAL_MODULE := rmsdk
LOCAL_SRC_FILES := native.c
include $(BUILD_SHARED_LIBRARY)看起来不太对劲。我想你可以试试这个：
include $(call all-subdir-makefiles)
include $(CLEAR_VARS)
LOCAL_PATH := $(call my-dir)
LOCAL_LDLIBS := -llog -ldl
LOCAL_MODULE := rmsdk
LOCAL_SRC_FILES := native.c
include $(BUILD_SHARED_LIBRARY)希望能有所帮助。
https://stackoverflow.com/questions/4585591
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