build.gradle

import org.apache.tools.ant.taskdefs.condition.Os

plugins {
    id 'java'
    id 'application'
    id 'com.stehno.natives' version '0.2.4'
}
ext {
     javaLanguageLevel = '1.8'
     lwjglVersion = "2.9.3"

    libraries = [
            lwjgl: "org.lwjgl.lwjgl:lwjgl:$lwjglVersion"
    ]
}

version = '0.1.0'
sourceSets.main.java.srcDirs = ['src']
mainClassName = 'ui.ACFRenderer'

repositories {
    jcenter()
    mavenCentral()
}

dependencies {
    compile 'com.google.code.gson:gson:2.8.6'
    compile 'ca.weblite:java-objc-bridge:1.0.0'
    compile 'net.dean.jraw:JRAW:1.1.0'
    compile 'com.github.davidmoten:word-wrap:0.1.6'
    compile 'org.slick2d:slick2d-core:1.0.1'
    compile "org.lwjgl.lwjgl:lwjgl:$lwjglVersion"
}

natives {
    lwjglVersion = "2.9.3"
    def os = getOS()
    println "Unpacking natives for $os to ./build/natives/$os"
    jars = [ 
        "lwjgl-platform-$lwjglVersion-natives-osx",
        "lwjgl-platform-$lwjglVersion-natives-windows",
        "lwjgl-platform-$lwjglVersion-natives-linux" ]
    platforms = "$os"
}

run {
    dependsOn 'unpackNatives'
    systemProperty 'java.library.path', file("build/natives/${getOS()}")
}

test {
    maxHeapSize = "1024m"
    jvmArgs '-XX:MaxPermSize=256m'
    systemProperty 'java.library.path', file("build/natives/${getOS()}")
}

def getOS() {
    if (Os.isFamily(Os.FAMILY_WINDOWS)) {
        return 'win'
    }
    if (Os.isFamily(Os.FAMILY_MAC)) {
        return 'osx'
    }
    if (Os.isFamily(Os.FAMILY_UNIX))
        return 'linux' //this is not really all that correct
    throw new GradleException('Your OS does not seem to be supported')
}

task checkOS  {
  println "Operating System: ${getOS()}"
}
task wrapper(type: Wrapper) {
   gradleVersion = '2.7'
}