--- /dev/null
+# duktape Makefile.uk
+#
+# Authors: Felipe Huici <felipe.huici@neclab.eu>
+#
+#
+# Copyright (c) 2019, NEC Europe Ltd., NEC Corporation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# THIS HEADER MAY NOT BE EXTRACTED OR MODIFIED IN ANY WAY.
+#
+
+################################################################################
+# Library registration
+################################################################################
+$(eval $(call addlib_s,duktape,$(CONFIG_DUKTAPE)))
+
+################################################################################
+# Sources
+################################################################################
+DUKTAPE_VERSION=2.4.0
+DUKTAPE_URL=https://duktape.org/duktape-$(DUKTAPE_VERSION).tar.xz
+DUKTAPE_PATCHDIR=$(DUKTAPE_BASE)/patches
+
+$(eval $(call fetchas,duktape,$(DUKTAPE_URL),$(DUKTAPE_VERSION).tar.xz))
+$(eval $(call patch,duktape,$(DUKTAPE_PATCHDIR),duktape-$(DUKTAPE_VERSION)))
+
+################################################################################
+# Helpers
+################################################################################
+DUKTAPE_EXTRACTED=$(DUKTAPE_ORIGIN)/duktape-$(DUKTAPE_VERSION)
+DUKTAPE_GENERATED=$(DUKTAPE_EXTRACTED)/duktape-src
+
+################################################################################
+# Library includes
+################################################################################
+CINCLUDES-$(CONFIG_DUKTAPE) += -I$(DUKTAPE_EXTRACTED)/duktape-src
+CXXINCLUDES-$(CONFIG_DUKTAPE) += -I$(DUKTAPE_EXTRACTED)/duktape-src
+
+################################################################################
+# Sources
+################################################################################
+DUKTAPE_SRCS-y += $(DUKTAPE_GENERATED)/duktape.c
+DUKTAPE_SRCS-y += $(DUKTAPE_EXTRACTED)/examples/cmdline/duk_cmdline.c
+
+################################################################################
+# Lib-specific Targets
+################################################################################
+# Generate single-file source for build
+$(DUKTAPE_BUILD)/.prepared: $(DUKTAPE_BUILD)/.origin
+ $(call build_cmd,CONF,duktape,$@,\
+ cd $(DUKTAPE_EXTRACTED)/ && \
+ python tools/configure.py --output-directory duktape-src -DDUK_USE_FASTINT -UDUK_USE_ES6_PROXY && \
+ touch $@)
+
+UK_PREPARE += $(DUKTAPE_BUILD)/.prepared