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你好我一直在試圖從C++代碼創建JVM實例:不能建項目,有錯誤 - 對建築x86_64的未定義符號:「_JNI_CreateJavaVM」
#include <jni.h>
#include <iostream>
using namespace std;
int main() {
JavaVMOption jvmopt[1];
jvmopt[0].optionString = (char *) "-Djava.class.path=";
JavaVMInitArgs vmArgs;
vmArgs.version = JNI_VERSION_1_6;
vmArgs.nOptions = 1;
vmArgs.options = jvmopt;
vmArgs.ignoreUnrecognized = JNI_TRUE;
// Create the JVM
JavaVM *javaVM;
JNIEnv *jniEnv;
long flag = JNI_CreateJavaVM(&javaVM, (void**)
&jniEnv, &vmArgs);
if (flag == JNI_ERR) {
cout << "Error creating VM. Exiting...\n";
return 1;
}
javaVM->DestroyJavaVM();
return 0;
}
但是當我嘗試建立我的項目(我使用的克利翁)構建完成與錯誤:
Undefined symbols for architecture x86_64:
"_JNI_CreateJavaVM", referenced from:
_main in main.cpp.o
ld: symbol(s) not found for architecture x86_64
這是我的CMakeLists.txt:
cmake_minimum_required(VERSION 3.7)
project(repl_native)
set(CMAKE_CXX_STANDARD 14)
find_package(Java REQUIRED)
find_package(JNI REQUIRED)
include(UseJava)
include_directories(${JNI_INCLUDE_DIRS})
set(SOURCE_FILES main.cpp)
add_executable(repl_native ${SOURCE_FILES})
我認爲在CMakeList中必須提供鏈接共享庫jvm.dylib或類似的東西,但我不知道位於何處以及如何將此鏈接添加到cmake。另外我正在使用macOS。