termux_create_subpackages() {
	# Sub packages:
	if [ -d include ] && [ -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
		# Add virtual -dev sub package if there are include files:
		local _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
		echo TERMUX_SUBPKG_INCLUDE=\"include share/vala share/man/man3 lib/pkgconfig share/aclocal lib/cmake $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
		echo "TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\"" >> "$_DEVEL_SUBPACKAGE_FILE"
		if [ -n "$TERMUX_PKG_DEVPACKAGE_DEPENDS" ]; then
			echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME,$TERMUX_PKG_DEVPACKAGE_DEPENDS\"" >> "$_DEVEL_SUBPACKAGE_FILE"
		else
			echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME\"" >> "$_DEVEL_SUBPACKAGE_FILE"
		fi
		if [ -n "$TERMUX_PKG_DEVPACKAGE_BREAKS" ]; then
			echo "TERMUX_SUBPKG_BREAKS=\"$TERMUX_PKG_DEVPACKAGE_BREAKS\"" >> "$_DEVEL_SUBPACKAGE_FILE"
		fi
		if [ -n "$TERMUX_PKG_DEVPACKAGE_REPLACES" ]; then
			echo "TERMUX_SUBPKG_REPLACES=\"$TERMUX_PKG_DEVPACKAGE_REPLACES\"" >> "$_DEVEL_SUBPACKAGE_FILE"
		fi
	fi
	# Now build all sub packages
	rm -Rf "$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages"
	for subpackage in $TERMUX_PKG_BUILDER_DIR/*.subpackage.sh $TERMUX_PKG_TMPDIR/*subpackage.sh; do
		test ! -f "$subpackage" && continue
		local SUB_PKG_NAME
		SUB_PKG_NAME=$(basename "$subpackage" .subpackage.sh)
		# Default value is same as main package, but sub package may override:
		local TERMUX_SUBPKG_PLATFORM_INDEPENDENT=$TERMUX_PKG_PLATFORM_INDEPENDENT
		local SUB_PKG_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages/$SUB_PKG_NAME
		local TERMUX_SUBPKG_BREAKS=""
		local TERMUX_SUBPKG_DEPENDS=""
		local TERMUX_SUBPKG_CONFLICTS=""
		local TERMUX_SUBPKG_REPLACES=""
		local TERMUX_SUBPKG_CONFFILES=""
		local SUB_PKG_MASSAGE_DIR=$SUB_PKG_DIR/massage/$TERMUX_PREFIX
		local SUB_PKG_PACKAGE_DIR=$SUB_PKG_DIR/package
		mkdir -p "$SUB_PKG_MASSAGE_DIR" "$SUB_PKG_PACKAGE_DIR"

		# shellcheck source=/dev/null
		source "$subpackage"

		for includeset in $TERMUX_SUBPKG_INCLUDE; do
			local _INCLUDE_DIRSET
			_INCLUDE_DIRSET=$(dirname "$includeset")
			test "$_INCLUDE_DIRSET" = "." && _INCLUDE_DIRSET=""
			if [ -e "$includeset" ] || [ -L "$includeset" ]; then
				# Add the -L clause to handle relative symbolic links:
				mkdir -p "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
				mv "$includeset" "$SUB_PKG_MASSAGE_DIR/$_INCLUDE_DIRSET"
			fi
		done

		local SUB_PKG_ARCH=$TERMUX_ARCH
		test -n "$TERMUX_SUBPKG_PLATFORM_INDEPENDENT" && SUB_PKG_ARCH=all

		cd "$SUB_PKG_DIR/massage"
		local SUB_PKG_INSTALLSIZE
		SUB_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
		tar -cJf "$SUB_PKG_PACKAGE_DIR/data.tar.xz" .

		mkdir -p DEBIAN
		cd DEBIAN

		cat > control <<-HERE
			Package: $SUB_PKG_NAME
			Architecture: ${SUB_PKG_ARCH}
			Installed-Size: ${SUB_PKG_INSTALLSIZE}
			Maintainer: $TERMUX_PKG_MAINTAINER
			Version: $TERMUX_PKG_FULLVERSION
			Homepage: $TERMUX_PKG_HOMEPAGE
		HERE
		test ! -z "$TERMUX_SUBPKG_BREAKS" && echo "Breaks: $TERMUX_SUBPKG_BREAKS" >> control
		test ! -z "$TERMUX_SUBPKG_DEPENDS" && echo "Depends: $TERMUX_SUBPKG_DEPENDS" >> control
		test ! -z "$TERMUX_SUBPKG_CONFLICTS" && echo "Conflicts: $TERMUX_SUBPKG_CONFLICTS" >> control
		test ! -z "$TERMUX_SUBPKG_REPLACES" && echo "Replaces: $TERMUX_SUBPKG_REPLACES" >> control
		echo "Description: $TERMUX_SUBPKG_DESCRIPTION" >> control

		for f in $TERMUX_SUBPKG_CONFFILES; do echo "$TERMUX_PREFIX/$f" >> conffiles; done

		tar -czf "$SUB_PKG_PACKAGE_DIR/control.tar.gz" .

		# Create the actual .deb file:
		TERMUX_SUBPKG_DEBFILE=$TERMUX_DEBDIR/${SUB_PKG_NAME}${DEBUG}_${TERMUX_PKG_FULLVERSION}_${SUB_PKG_ARCH}.deb
		test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
		ar cr "$TERMUX_SUBPKG_DEBFILE" \
				   "$TERMUX_COMMON_CACHEDIR/debian-binary" \
				   "$SUB_PKG_PACKAGE_DIR/control.tar.gz" \
				   "$SUB_PKG_PACKAGE_DIR/data.tar.xz"

		# Go back to main package:
		cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
	done
}