我正在尝试使用android NDK来构建sqlite,以使用sqlite3_create_function,但正在获取“无规则”来使目标错误。 make: *** No rule to make target '/fts3-rank.c', needed by '.../obj/local/armeabi/objs/fts3-rank//fts3-rank.o'. Stop.
此Android.mk文件基于以下网站上的文件:http://www.roman10.net/how-to-compile-sqlite-for-android-using-ndk/
#LOCAL_PATH is used to locate source files in the development tree.
#the macro my-dir provided by the build system, indicates the path of the current directory
LOCAL_PATH := $(call my_dir)
#####################################################################
# build sqlite3 #
#####################################################################
include $(CLEAR_VARS)
LOCAL_C_INCLUDES := $(LOCAL_PATH)/sqlite-amalgamation-3071700
LOCAL_MODULE := sqlite3
LOCAL_SRC_FILES := $(LOCAL_PATH)/sqlite-amalgamation-3071700/sqlite3.c
include $(BUILD_STATIC_LIBRARY)
#include $(BUILD_SHARED_LIBRARY)
#####################################################################
# build our code #
#####################################################################
include $(CLEAR_VARS)
LOCAL_C_INCLUDES := $(LOCAL_PATH)/sqlite-amalgamation-3071700
LOCAL_MODULE := fts3-rank
LOCAL_SRC_FILES := fts3-rank.c
LOCAL_STATIC_LIBRARIES := libsqlite3
#LOCAL_SHARED_LIBRARIES:=libsqlite3
LOCAL_LDLIBS := -llog -lm
#include $(BUILD_SHARED_LIBRARY)
include $(BUILD_EXECUTABLE)
最佳答案
可能是此错误有一些不同的原因。LOCAL_PATH
值可能不正确,因此请检查LOCAL_PATH初始化。删除其中多余的空格。LOCAL_PATH := $(call my-dir)__
您的jni库应该在调用任何jni函数之前加载到内存中。如下加载jni库。
静态的 {
System.loadLibrary("libmy-jni-module");
}
您可以参考this讨论