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+# BSD LICENSE
+#
+# Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * 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.
+# * Neither the name of Intel Corporation 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
+# OWNER 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.
+#
+# version: DPDK.L.1.2.3-3
+
+#
+# directory where sources are located
+#
+ifdef S
+ifeq ("$(origin S)", "command line")
+RTE_SRCDIR := $(abspath $(S))
+endif
+endif
+RTE_SRCDIR ?= $(CURDIR)
+export RTE_SRCDIR
+
+#
+# Makefile to call once $(RTE_OUTPUT) is created
+#
+ifdef M
+ifeq ("$(origin M)", "command line")
+RTE_EXTMK := $(abspath $(M))
+endif
+endif
+RTE_EXTMK ?= $(RTE_SRCDIR)/Makefile
+export RTE_EXTMK
+
+RTE_SDK_BIN := $(RTE_SDK)/$(RTE_TARGET)
+
+#
+# Output files wil go in a separate directory: default output is
+# $(RTE_SRCDIR)/build
+# Output dir can be given as command line using "O="
+#
+ifdef O
+ifeq ("$(origin O)", "command line")
+RTE_OUTPUT := $(abspath $(O))
+endif
+endif
+RTE_OUTPUT ?= $(RTE_SRCDIR)/build
+export RTE_OUTPUT
+
+# if we are building an external application, include SDK
+# configuration and include project configuration if any
+include $(RTE_SDK_BIN)/.config
+ifneq ($(wildcard $(RTE_OUTPUT)/.config),)
+ include $(RTE_OUTPUT)/.config
+endif
+# remove double-quotes from config names
+RTE_ARCH := $(CONFIG_RTE_ARCH:"%"=%)
+RTE_MACHINE := $(CONFIG_RTE_MACHINE:"%"=%)
+RTE_EXEC_ENV := $(CONFIG_RTE_EXEC_ENV:"%"=%)
+RTE_TOOLCHAIN := $(CONFIG_RTE_TOOLCHAIN:"%"=%)
+
+