這裏使用最簡單的HelloWorld工程來介紹怎麼使用cmake和mingw來創建JAVA工程
PRECONDITION
- JDK已經配置好
- cmake已經安裝
- mingw已經安裝
工程文件結構
HelloWorld
|–build
|–CMakeLists.txt
|–src
|----HelloWorld.java
Write CMakeLists.txt
具體代碼如下:
cmake_minimum_required(VERSION 3.1)
set(CMAKE_MAKE_PROGRAM "MinGW Makefiles")
set(CMAKE_JAVA_COMPILER_ENV_VAR JAVA_HOME)
set(CMAKE_JAVA_COMPILER $ENV{JAVA_HOME}/bin/javac.exe)
project(HelloWorld VERSION 1.0
DESCRIPTION "This is an simple java project"
LANGUAGES JAVA)
find_package(Java REQUIRED)
include(UseJava)
set(CMAKE_JAVA_COMPILE_FLAGS -Xlint:unchecked -d build)
add_jar(HelloWorld src/HelloWorld.java)
Write HelloWorld.java
public class HelloWorld {
public static void main(String[] args){
System.out.println("Hello World");
}
}
將HelloWorld.java保存到src文件夾下
編譯並運行
cd build
# 編譯
cmake -G "MinGW Makefiles" ..
make
# 運行
java -cp HelloWorld.jar HelloWorld