ant.xml

<project name="MyProject" default="dist" basedir=".">
  <description>
    simple example build file
  </description>
  <!-- set global properties for this build -->
  <property name="src" location="src"/>
  <property name="build" location="build"/>
  <property name="dist" location="dist"/>

  <target name="init">
    <!-- Create the time stamp -->
    <tstamp/>
    <!-- Create the build directory structure used by compile -->
    <mkdir dir="${build}"/>
  </target>

  <target name="compile" depends="init"
        description="compile the source">
    <!-- Compile the Java code from ${src} into ${build} -->
    <javac srcdir="${src}" destdir="${build}"/>
  </target>

  <target name="dist" depends="compile"
        description="generate the distribution">
    <!-- Create the distribution directory -->
    <mkdir dir="${dist}/lib"/>

    <!-- Put everything in ${build} into the MyProject-${DSTAMP}.jar file -->
    <jar jarfile="${dist}/lib/MyProject-${DSTAMP}.jar" basedir="${build}"/>
  </target>

  <target name="clean"
        description="clean up">
    <!-- Delete the ${build} and ${dist} directory trees -->
    <delete dir="${build}"/>
    <delete dir="${dist}"/>
  </target>
</project>

build.gradle

apply plugin: 'java'
compileTestJava {
    sourceCompatibility = JavaVersion.VERSION_1_8
    targetCompatibility = JavaVersion.VERSION_1_8
}
apply plugin: 'eclipse'
apply plugin: 'idea'

ext {
	seleniumVersion = '3.6.0'
}

sourceSets {
    main {
        java {
            srcDirs = ['src']
        }
        resources {
            srcDirs = ['etc', 'suites']
        }
    }
}

repositories {
    jcenter()
}

dependencies {
    compile group: 'org.testng', name: 'testng', version: '6.9.12'
    compile group: 'org.seleniumhq.selenium', name: 'selenium-firefox-driver', version: seleniumVersion
    compile group: 'org.seleniumhq.selenium', name: 'selenium-chrome-driver', version: seleniumVersion
    compile group: 'org.seleniumhq.selenium', name: 'selenium-api', version: seleniumVersion
    compile group: 'org.seleniumhq.selenium', name: 'selenium-java', version: seleniumVersion
    compile 'javax.mail:mail:1.4.7'
    compile 'com.google.code.gson:gson:2.5'
    compile 'net.sf.jopt-simple:jopt-simple:4.9'
}

jar {
    from {
        (configurations.runtime).collect {
            it.isDirectory() ? it : zipTree(it)
        }
    }
    manifest {
        attributes("Main-Class": "com.ourapp.app.tools.Main" )
    }
    baseName = 'ourapp-selenium'
}

compileJava {
    options.encoding = "UTF-8"
}⏎    

makefile

CC=gcc
RM=rm -f

SRC_DIR := src
OBJ_DIR := obj
INC_FILES := $(wildcard $(SRC_DIR)/*.h)
SRC_FILES := $(wildcard $(SRC_DIR)/*.c)
OBJ_FILES := $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRC_FILES))
$_LDFLAGS := -g -Wall
$_CFLAGS := -g -Wall

$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
	$(CC) $(CFLAGS) -g -c -o $@ $<

dice: $(OBJ_FILES)
	$(CC) $(LDFLAGS) -g -o $@ $(OBJ_FILES)

# learning is hard!
test: $(OBJ_FILES)
	@echo $@
	@echo $^
	@echo $(SRC_DIR)
	@echo $(SRC_FILES)
	@echo $(wildcard $(SRC_DIR)/*.c)
	@echo $(OBJ_DIR)
	@echo $(OBJ_FILES)
	@echo $(CFLAGS)
	@echo $(LDFLAGS)

clean: 
	$(RM) $(OBJ_FILES)

cleanall: clean
  $(RM) dice

pom.xml

    <project>
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.mycompany.app</groupId>
      <artifactId>my-app</artifactId>
      <version>1</version>
    </project>