if [[ -z $BANAN_ROOT_DIR ]]; then
	if ! [[ -z $BANAN_SCRIPT_DIR ]]; then
		export BANAN_ROOT_DIR=$BANAN_SCRIPT_DIR/..
	else
		echo  "You must set the BANAN_ROOT_DIR environment variable" >&2
		exit 1
	fi
fi

if [[ -z $BANAN_ARCH ]]; then
	export BANAN_ARCH=x86_64
fi

export BANAN_TOOLCHAIN_DIR=$BANAN_ROOT_DIR/toolchain
export BANAN_TOOLCHAIN_PREFIX=$BANAN_TOOLCHAIN_DIR/local
export BANAN_TOOLCHAIN_TRIPLE_PREFIX=$BANAN_ARCH-banan_os

export BANAN_BUILD_DIR=$BANAN_ROOT_DIR/build

export BANAN_SYSROOT=$BANAN_BUILD_DIR/sysroot
export BANAN_SYSROOT_TAR=$BANAN_SYSROOT.tar

export BANAN_DISK_IMAGE_PATH=$BANAN_BUILD_DIR/banan-os.img

if [[ -z $BANAN_UEFI_BOOT ]]; then
	export BANAN_UEFI_BOOT=0
fi

if [[ -z $BANAN_BOOTLOADER ]]; then
	export BANAN_BOOTLOADER="BANAN"
fi

export BANAN_CMAKE=$BANAN_TOOLCHAIN_PREFIX/bin/cmake