1 files changed, 55 insertions, 0 deletions
diff --git a/src/spdk/dpdk/mk/internal/rte.extvars.mk b/src/spdk/dpdk/mk/internal/rte.extvars.mk
new file mode 100644
index 00000000..98c86062
--- /dev/null
+++ b/src/spdk/dpdk/mk/internal/rte.extvars.mk
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+
+#
+# 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 ?= $(RTE_SRCDIR)/$(notdir $(firstword $(MAKEFILE_LIST)))
+export RTE_EXTMK
+
+# RTE_SDK_BIN must point to .config, include/ and lib/.
+RTE_SDK_BIN := $(RTE_SDK)/$(RTE_TARGET)
+ifeq ($(wildcard $(RTE_SDK_BIN)/.config),)
+$(error Cannot find .config in $(RTE_SDK_BIN))
+endif
+
+#
+# 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:"%"=%)