build.xml

<project name="glslprep" basedir="." default="build">

	<target name="build" description="build all" depends="library,minifier" />

	<property name="srcdir" value="${basedir}/src" />
	<property name="js_codebase" value="${srcdir}" />

	<target name="clean" description="delete build output">
		<delete file="${basedir}/${ant.project.name}.min.js" />
	</target>

	<target name="library">
		<compile-js
				entry-point="glslminify"
				output-file="${basedir}/glslminify.min.js">

			<arg line="--define glslminify.EXPORT_API" />
			<arg value="--output_wrapper_file" /><arg file="${srcdir}/glslminify.wrapper.txt" />

			<arg line="--compilation_level ADVANCED_OPTIMIZATIONS" />
			<arg value="--use_types_for_optimization" />

		</compile-js>
	</target>

	<target name="minifier">
		<compile-js
				entry-point="glslprep"
				output-file="${basedir}/glslprep.js">

			<arg prefix="--jscomp_off=" line="es5Strict undefinedNames" />

			<arg value="--output_wrapper_file" /><arg file="${srcdir}/glslprep.wrapper.txt" />
			<arg value="--use_types_for_optimization" />
			<arg prefix="--externs=externs/" line="node_common.js" />

		</compile-js>
	</target>

	<target name="debug-deps">

		<exec executable="python" output="${srcdir}/goog/deps.js">
			<arg file="${basedir}/tools/calcdeps.py" />

			<arg value="-i"/><arg file="${srcdir}" />
			<arg value="-p"/><arg file="${srcdir}" />
			<arg line="-o deps" />
		</exec>

	</target>

	<macrodef name="compile-js">
		<attribute name="entry-point" />
		<attribute name="output-file" />
		<element name="extra" optional="true" implicit="true" />
		<sequential>

			<java jar="${basedir}/tools/closure-compiler.jar"
					failonerror="true" fork="true">

				<arg value="--js" /><arg file="${srcdir}/**.js" />
				<arg value="--js_output_file" /><arg file="@{output-file}" />
				<arg value="--closure_entry_point" /><arg value="@{entry-point}" />

				<arg value="--generate_exports" /><!-- required by glslunit interna -->
				<arg value="--only_closure_dependencies" />

				<arg line="--warning_level VERBOSE --summary_detail_level 3" />

				<arg prefix="--jscomp_error="
						line="accessControls checkTypes" />

				<arg prefix="--jscomp_warning="
						line="inferredConstCheck missingProperties typeInvalidation undefinedNames" />

				<jvmarg line="-server -XX:+TieredCompilation" />

				<extra />

			</java>

		</sequential>
	</macrodef>

</project>