无法创建共享库静态内 [英] Can't create shared library with static inside
问题描述
请帮我寻找扔整个互联网,但我无法找到答案......
ç层
我创建了简单的函数 INT平均值(INT,INT);
,并将其放置在 calc_mean.h ,并在初始化的 calc_mean.c 这里有这个两个文件。
calc_mean.c
的#includecalc_mean.h
INT平均值(INT A,INT B)
{
返回(A + B)/ 2;
}
calc_mean.h
INT平均值(INT,INT);
然后,我创建使文件,并建立档案使用名为Test_Archive.a(.a)中的文件做出如下文件
生成文件
GCC:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-gcc.exe
GPP:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-G ++ EXE
AR:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-ar.exe
默认:所有
所有:OBJ
$(AR)R Test_Archive.a *的.o
OBJ:
$(GPP)-C的* .c
我得到的 Test_Archive.a 存档文件。现在,我想这个存档文件添加到JNI和呼叫从我的JNI的项目意味着
功能,为我创造了JNI和Java文件,你可以看到下面。
JAVA层
你怎么能在这里的Java层看到我有TestJavaClass具有一个本地方法叫做 JMean
这种方法有两个 INT
参数和返回同样 INT
。
公共类TestJavaClass
{
/ **默认的构造函数
*
* /
公共TestJavaClass(){
}
/ **测试功能。
*
* @参数一
* @参数b
* @返回
* /
公共本地INT JMean(INT A,INT B);
}
JNI层
这是JNI头文件
Test_Library.h
/ *勿编辑这个文件 - 这是机器生成* /
#包括< jni.h>
/ *头类com_Fido_OSTXLib_OSTX * /
#ifndef的_Included_com_Fido_OSTXLib_OSTX
#定义_Included_com_Fido_OSTXLib_OSTX
的#ifdef __cplusplus
为externC{
#ENDIF
/ *
*类别:com_Fido_OSTXLib_OSTX
*方法:JMean
*签名:(二)我
* /
JNIEXPORT jint JNICALL Java_com_Fido_OSTXLib_OSTX_JMean
(JNIEnv的*,jobject,jint,jint);
的#ifdef __cplusplus
}
#ENDIF
#ENDIF
Test_Library.c
的#includeTest_Library.h
#包括calc_mean.h
JNIEXPORT jint JNICALL Java_com_Fido_OSTXLib_OSTX_JMean(JNIEnv的* ENV,jobject THIZ,jint一,jint B)
{
返回平均值(A,B);
}
我把这两个文件的 Test_Library.h Test_Library.c 和 calc_mean.h Test_Archive.a 并创建make文件的 Android.mk
Android.mk
LOCAL_PATH:= $(叫我-DIR)
包括$(CLEAR_VARS)
LOCAL_MODULE:= Test_Library
LOCAL_SRC_FILES:= Test_Library.c
LOCAL_LDLIBS:= -LTest_Archive.a
包括$(BUILD_SHARED_LIBRARY)
但是当我想创建.so文件,会出现以下错误,为什么呢?
$ ../../ndk-build编译大拇指:Test_Library< = Test_Library.c SharedLibrary:libTest_Library.so C:/cygwin/home/android-ndk-r5b/Fido/ProjectOSTX/obj/local/armeabi/objs/OSTX_Library/OSTX_Library.o: 在功能上
Java_com_Fido_OSTXLib_OSTX_JMean: C:/cygwin/home/android-ndk-r5b/Fido/ProjectOSTX/jni/OSTX_Library.c:6: 未定义的引用
的意思是'collect2:劳工处返回1退出状态化妆: * 的 [/home/android-ndk-r5b/Fido/ProjectOSTX/obj/local/armeabi/libOSTX_Library.so] 错误1
为什么未定义的参考`意思'?
当我suppos主要的原因是编译器设置,我做了一些修改,在 生成文件的和我。连接到共享库的归档文件,这里有改动。
GCC:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-gcc.exe
GPP:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-G ++ EXE
AR:= C:\工具\ NDK工具链\ NDK,独立\ BIN \ ARM-Linux的androideabi-ar.exe
OPTIONS:= \
-fpic \
-ffunction截面\
-funwind桌\
-fstack保护器\
-D__ARM_ARCH_5__ \
-D__ARM_ARCH_5T__ \
-D__ARM_ARCH_5E__ \
-D__ARM_ARCH_5TE__ \
-Wno-psabi \
-march =结构ARMv5TE \
-mtune =的XScale \
-msoft浮动\
-mthumb \
-Os \
-fomit帧指针\
-fno严格走样\
-finline-上限= 64 \
-DANDROID \
-Wa,\
-O2 \
-DNDEBUG \
-G \
默认:所有
所有:OBJ
$(AR)R libtestlibrary.a *的.o
OBJ:
$(GCC)$(OPTIONS)-C的* .c
Please help I search throw whole internet but I can't find answer ...
C Layer
I have created simple function int mean(int, int);
and place it in calc_mean.h and initialize it in calc_mean.c here are this two files.
calc_mean.c
#include "calc_mean.h"
int mean(int a, int b)
{
return (a+b) / 2;
}
calc_mean.h
int mean(int, int);
Then I create make file and build archive (.a) file called Test_Archive.a using following make file
makefile
GCC := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-gcc.exe
GPP := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-g++.exe
AR := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-ar.exe
default: all
all: obj
$(AR) r Test_Archive.a *.o
obj:
$(GPP) -c *.c
I get Test_Archive.a archive file. Now I want to add this archive file to JNI and call mean
function from my JNI project, for that I have created JNI and Java files which you can see below.
JAVA Layer
How you can see here in java layer I have TestJavaClass that have one native method called JMean
this method have two int
arguments and return also int
.
public class TestJavaClass
{
/** Default Constructor
*
*/
public TestJavaClass( ) {
}
/** Test Function.
*
* @param a
* @param b
* @return
*/
public native int JMean( int a, int b);
}
JNI Layer
This is JNI header file
Test_Library.h
/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_Fido_OSTXLib_OSTX */
#ifndef _Included_com_Fido_OSTXLib_OSTX
#define _Included_com_Fido_OSTXLib_OSTX
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: com_Fido_OSTXLib_OSTX
* Method: JMean
* Signature: (II)I
*/
JNIEXPORT jint JNICALL Java_com_Fido_OSTXLib_OSTX_JMean
(JNIEnv *, jobject, jint, jint);
#ifdef __cplusplus
}
#endif
#endif
Test_Library.c
#include "Test_Library.h"
#include "calc_mean.h"
JNIEXPORT jint JNICALL Java_com_Fido_OSTXLib_OSTX_JMean( JNIEnv* env, jobject thiz, jint a, jint b )
{
return mean( a, b );
}
I put this two files Test_Library.h, Test_Library.c and calc_mean.h, Test_Archive.a and create make file Android.mk
Android.mk
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := Test_Library
LOCAL_SRC_FILES := Test_Library.c
LOCAL_LDLIBS := -LTest_Archive.a
include $(BUILD_SHARED_LIBRARY)
but when I want to create .so file, the following error occurs, why ?
$ ../../ndk-build Compile thumb : Test_Library <= Test_Library.c SharedLibrary : libTest_Library.so C:/cygwin/home/android-ndk-r5b/Fido/ProjectOSTX/obj/local/armeabi/objs/OSTX_Library/OSTX_Library.o: In function
Java_com_Fido_OSTXLib_OSTX_JMean': C:/cygwin/home/android-ndk-r5b/Fido/ProjectOSTX/jni/OSTX_Library.c:6: undefined reference to
mean' collect2: ld returned 1 exit status make: * [/home/android-ndk-r5b/Fido/ProjectOSTX/obj/local/armeabi/libOSTX_Library.so] Error 1
Why undefined reference to `mean' ?
As I suppos the main reason was compiler settings, I make some modifications in makefile and my .a archive linked to shared library, here are modifications.
GCC := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-gcc.exe
GPP := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-g++.exe
AR := C:\Tools\ndk-toolchain\ndk-standalone\bin\arm-linux-androideabi-ar.exe
OPTIONS :=\
-fpic \
-ffunction-sections \
-funwind-tables \
-fstack-protector \
-D__ARM_ARCH_5__ \
-D__ARM_ARCH_5T__ \
-D__ARM_ARCH_5E__ \
-D__ARM_ARCH_5TE__ \
-Wno-psabi \
-march=armv5te \
-mtune=xscale \
-msoft-float \
-mthumb \
-Os \
-fomit-frame-pointer \
-fno-strict-aliasing \
-finline-limit=64 \
-DANDROID \
-Wa, \
-O2 \
-DNDEBUG \
-g \
default: all
all: obj
$(AR) r libtestlibrary.a *.o
obj:
$(GCC) $(OPTIONS) -c *.c
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