#!/usr/bin/env bash

create_toolchain () {

	# abort if already created
	if [ -d "$PWD/toolchains/$2" ]
	then
		return
	fi
	
	# save the working directory and move to the NDK directory
	WORKING_DIRECTORY=$PWD
	cd $NDK

	# prepare the command according to chosen options
	PLATFORM=--platform=android-$1
	DIR=--install-dir=$WORKING_DIRECTORY/toolchains/$2
	MAKE=$NDK/build/tools/make-standalone-toolchain.sh

	if [ "$2" = "arm" ]
	then
		TOOLCHAIN=--toolchain=arm-linux-androideabi-4.8
	elif [ "$2" = "x86" ]
	then
		TOOLCHAIN=--toolchain=x86-4.8
	elif [ "$2" = "mips" ]
	then
		TOOLCHAIN=--toolchain=mipsel-linux-android-4.8
	else
		echo "Abort."
		exit 1
	fi

	# create the standalone toolchain
	$MAKE $PLATFORM $TOOLCHAIN $DIR --stl=libc++

	# go back to our working directory
	cd $WORKING_DIRECTORY
	
	# move linux/soundcard.h to sys/soundcard.h
	mv $PWD/toolchains/$2/sysroot/usr/include/linux/soundcard.h $PWD/toolchains/$2/sysroot/usr/include/sys
}

create_toolchain 9 arm
create_toolchain 9 x86
create_toolchain 9 mips
