termux_step_setup_build_folders() {
	# Following directories may contain files with read-only
	# permissions which makes them undeletable. We need to fix
	# that.
	[ -d "$TERMUX_PKG_BUILDDIR" ] && chmod +w -R "$TERMUX_PKG_BUILDDIR"
	[ -d "$TERMUX_PKG_SRCDIR" ] && chmod +w -R "$TERMUX_PKG_SRCDIR"
	if [ "$TERMUX_SKIP_DEPCHECK" = false ] && \
		   [ "$TERMUX_INSTALL_DEPS" = true ] && \
		   [ "$TERMUX_PKG_METAPACKAGE" = false ] && \
		   [ "$TERMUX_NO_CLEAN" = false ] && \
		   [ "$TERMUX_ON_DEVICE_BUILD" = false ]; then
		# Remove all previously extracted/built files from
		# $TERMUX_PREFIX:
		rm -rf $TERMUX_PREFIX
		rm -f $TERMUX_BUILT_PACKAGES_DIRECTORY/*
	fi

	# Cleanup old build state:
	rm -Rf "$TERMUX_PKG_BUILDDIR" \
		"$TERMUX_PKG_SRCDIR"

	# Cleanup old packaging state:
	rm -Rf "$TERMUX_PKG_PACKAGEDIR" \
		"$TERMUX_PKG_TMPDIR" \
		"$TERMUX_PKG_MASSAGEDIR"

	# Ensure folders present (but not $TERMUX_PKG_SRCDIR, it will
	# be created in build)
	mkdir -p "$TERMUX_COMMON_CACHEDIR" \
		 "$TERMUX_COMMON_CACHEDIR-$TERMUX_ARCH" \
		 "$TERMUX_COMMON_CACHEDIR-all" \
		 "$TERMUX_OUTPUT_DIR" \
		 "$TERMUX_PKG_BUILDDIR" \
		 "$TERMUX_PKG_PACKAGEDIR" \
		 "$TERMUX_PKG_TMPDIR" \
		 "$TERMUX_PKG_CACHEDIR" \
		 "$TERMUX_PKG_MASSAGEDIR" \
		 $TERMUX_PREFIX/{bin,etc,lib,libexec,share,share/LICENSES,tmp,include}
}