build.gradle

plugins {
    id "java"
}

def rJavaPath = "/usr/local/lib/R/3.2/site-library/rJava"
def rJavaREngineJar = rJavaPath + "/jri/REngine.jar"
def rJavaJRIJar = rJavaPath + "/jri/JRI.jar"
def rJavaJRIEngineJar = rJavaPath + "/jri/JRIEngine.jar"
def rJavaNative = rJavaPath + "/jri/libjri.jnilib"

sourceCompatibility = 1.8
targetCompatibility = 1.8

repositories {
  mavenCentral()
}

dependencies {
  testCompile group: 'org.testng', name: 'testng', version: '6.9.10'
  testCompile group: 'com.google.caliper', name: 'caliper', version: '1.0-beta-2'
  testCompile files(rJavaREngineJar, rJavaJRIEngineJar, rJavaJRIJar)
  testRuntime  files(rJavaNative)
}

task runBenchmark(type: JavaExec, dependsOn: test) {
    def vmVer = System.getProperty('java.version')
    def osName = System.getProperty('os.name').replaceAll('\\s','')
    def osArch = System.getProperty('os.arch')
    def fnameBase = "ver${version}_${osName}-${osArch}_jvm${vmVer}"
    def benchMarksDir = "${project.buildDir}/benchmarks"
    ant.mkdir(dir: benchMarksDir)
    def outStream = new FileOutputStream("${benchMarksDir}/${fnameBase}-out.txt")
    standardOutput = outStream
    errorOutput = System.err
    main = 'com.google.caliper.runner.CaliperMain'
    classpath = sourceSets.test.runtimeClasspath
    args = ['vrr.jargon.exponential.GammaInverseCDFBenchmark']
    jvmArgs = ['-ea', '-Djava.library.path=/usr/local/lib/R/3.3/site-library/rJava/jri']
    environment = [R_HOME : "/usr/local/Cellar/r/3.3.1_2/R.framework/Resources"]
}