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diff --git a/mk/internal/rte.install-post.mk b/mk/internal/rte.install-post.mk
new file mode 100644
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+++ b/mk/internal/rte.install-post.mk
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+#   BSD LICENSE
+#
+#   Copyright(c) 2010-2014 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.
+
+# install helper .mk
+
+#
+# generate rules to install files in RTE_OUTPUT.
+#
+# arg1: relative install dir in RTE_OUTPUT
+# arg2: relative file name in a source dir (VPATH)
+#
+define install_rule
+$(addprefix $(RTE_OUTPUT)/$(1)/,$(notdir $(2))): $(2)
+	@echo "  INSTALL-FILE $(addprefix $(1)/,$(notdir $(2)))"
+	@[ -d $(RTE_OUTPUT)/$(1) ] || mkdir -p $(RTE_OUTPUT)/$(1)
+	$(Q)cp -rf $$(<) $(RTE_OUTPUT)/$(1)
+endef
+
+$(foreach dir,$(INSTALL-DIRS-y),\
+	$(foreach file,$(INSTALL-y-$(dir)),\
+		$(eval $(call install_rule,$(dir),$(file)))))
+
+
+#
+# generate rules to install symbolic links of files in RTE_OUTPUT.
+#
+# arg1: relative install dir in RTE_OUTPUT
+# arg2: relative file name in a source dir (VPATH)
+#
+define symlink_rule
+$(addprefix $(RTE_OUTPUT)/$(1)/,$(notdir $(2))): $(2)
+	@echo "  SYMLINK-FILE $(addprefix $(1)/,$(notdir $(2)))"
+	@[ -d $(RTE_OUTPUT)/$(1) ] || mkdir -p $(RTE_OUTPUT)/$(1)
+	$(Q)ln -nsf `$(RTE_SDK)/scripts/relpath.sh $$(<) $(RTE_OUTPUT)/$(1)` \
+		$(RTE_OUTPUT)/$(1)
+endef
+
+$(foreach dir,$(SYMLINK-DIRS-y),\
+	$(foreach file,$(SYMLINK-y-$(dir)),\
+		$(eval $(call symlink_rule,$(dir),$(file)))))
+
+
+# fast way, no need to do preinstall and postinstall
+ifeq ($(PREINSTALL)$(POSTINSTALL),)
+
+_postinstall: $(_INSTALL)
+	@touch _postinstall
+
+else # slower way
+
+_preinstall: $(PREINSTALL)
+	@touch _preinstall
+
+ifneq ($(_INSTALL),)
+$(_INSTALL): _preinstall
+else
+_INSTALL = _preinstall
+endif
+
+_install: $(_INSTALL)
+	@touch _install
+
+ifneq ($(POSTINSTALL),)
+$(POSTINSTALL): _install
+else
+POSTINSTALL = _install
+endif
+
+_postinstall: $(POSTINSTALL)
+	@touch _postinstall
+endif