lwjgl/platform_build/macosx_ant/build.xml

<project name="OS X Native code" basedir="../../bin/lwjgl" default="nativelibrary">
	<property name="native" location="../../src/native"/>

	<target name="init">
		<mkdir dir="i386"/>
		<mkdir dir="x86_64"/>
		<property environment="env" />
		<!-- Check which gcc we have, newer releasse of Mac OS do not have gcc-4.2 installed by defaault -->
		<available file="gcc" filepath="${env.PATH}" property="gcc" value="gcc"/>
		<available file="gcc-4.2" filepath="${env.PATH}" property="gcc" value="gcc-4.2"/>
		<!-- Ask Xcode for correct path to XCode tools -->
		<!-- Will fail if XCode Command Line Tools are not installed on 10.7+ (Lion) -->
		<exec executable="xcode-select" outputproperty="developer_path" errorproperty="xcode-select.error" failonerror="false" failifexecutionfails="false">
			<arg value="-print-path" />
		</exec>
		<!-- Default to /Developer if xcode-select fails -->
		<condition property="developer_path" value="/Developer">
			<isset property="xcode-select.error" />
		</condition>
		<!-- Lion and above do not have /Developer nor the 10.6 SDK, so use 10.7 SDK -->
		<condition property="sdkroot" value="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk">
			<available file="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk" type="dir"/>
		</condition>
		<condition property="javavmroot" value="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk">
			<available file="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers" type="dir"/>
		</condition>
		<!-- Fallback to 10.6 SDK if present on file system under new Xcode location -->
		<condition property="sdkroot" value="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk">
			<available file="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk" type="dir"/>
		</condition>
		<condition property="javavmroot" value="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk">
			<available file="${developer_path}/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers" type="dir"/>
		</condition>
		<!-- Fallback to 10.6 SDK if present on old /Developer path -->
		<condition property="sdkroot" value="${developer_path}/SDKs/MacOSx10.6.sdk">
			<available file="${developer_path}/SDKs/MacOSx10.6.sdk" type="dir"/>
		</condition>
		<!-- Only use /System/Library/Frameworks/JavaVM.framework/ if nothing under other SDK's is found -->
		<condition property="javavmroot" value="">
			<and>
				<available file="/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers" type="dir"/>
				<not>
					<isset property="javavmroot" />
				</not>
			</and>
		</condition>
	</target>

	<target name="clean">
		<delete failonerror="false">
			<fileset dir="i386"/>
			<fileset dir="x86_64"/>
			<fileset dir="." includes="liblwjgl.jnilib"/>
			<fileset dir="." includes="lwjgl.symbols"/>
		</delete>
	</target>

	<target name="compile" depends="init">
		<apply dir="${dstdir}" executable="${compiler}" os="Mac OS X" skipemptyfilesets="true" failonerror="true" dest="${dstdir}">
			<arg line="${cflags} -ObjC -O2 -Wall -Wunused -c -fPIC -I${javavmroot}/System/Library/Frameworks/JavaVM.framework/Versions/A/Headers -I${native}/common -I${native}/common/opengl -I${native}/macosx  -I${javavmroot}/System/Library/Frameworks/JavaVM.framework/Versions/A/Frameworks/JavaNativeFoundation.framework/Versions/A/Headers"/>
			<!-- Map from *.m and *.c to .o -->
			<mapper type="regexp" from="^(.*)\.(c|m)" to="\1.o"/>
			<fileset dir="${native}/macosx" includes="*.m"/>
			<fileset dir="${native}/macosx" includes="*.c"/>
			<fileset dir="${native}/common" includes="*.c"/>
			<fileset dir="${native}/common/opengl" includes="*.c"/>
			<fileset dir="${native}/generated/openal" includes="*.c"/>
			<fileset dir="${native}/generated/opencl" includes="*.c"/>
			<fileset dir="${native}/generated/opengl" includes="*.c"/>
		</apply>
	</target>

	<target name