Imported Upstream version 16.04

[deb_dpdk.git] / mk / rte.vars.mk

diff --git a/mk/rte.vars.mk b/mk/rte.vars.mk
new file mode 100644 (file)
index 0000000..28982a5
--- /dev/null
+++ b/mk/rte.vars.mk
@@ -0,0 +1,127 @@
+#   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.
+
+#
+# To be included at the beginning of all RTE user Makefiles. This
+# .mk will define the RTE environment variables by including the
+# config file of SDK. It also includes the config file from external
+# application if any.
+#
+
+ifeq ($(RTE_SDK),)
+$(error RTE_SDK is not defined)
+endif
+ifeq ($(wildcard $(RTE_SDK)),)
+$(error RTE_SDK variable points to an invalid location)
+endif
+
+# define Q to '@' or not. $(Q) is used to prefix all shell commands to
+# be executed silently.
+Q=@
+ifdef V
+ifeq ("$(origin V)", "command line")
+Q=
+endif
+endif
+export Q
+
+# if we are building SDK, only includes SDK configuration
+ifneq ($(BUILDING_RTE_SDK),)
+  include $(RTE_OUTPUT)/.config
+  # 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:"%"=%)
+  RTE_SDK_BIN := $(RTE_OUTPUT)
+endif
+
+RTE_TARGET ?= $(RTE_ARCH)-$(RTE_MACHINE)-$(RTE_EXEC_ENV)-$(RTE_TOOLCHAIN)
+
+ifeq ($(BUILDING_RTE_SDK),)
+# if we are building an external app/lib, include internal/rte.extvars.mk that will
+# define RTE_OUTPUT, RTE_SRCDIR, RTE_EXTMK, RTE_SDK_BIN, (etc ...)
+include $(RTE_SDK)/mk/internal/rte.extvars.mk
+endif
+
+CONFIG_RTE_LIBRTE_E1000_PMD = $(CONFIG_RTE_LIBRTE_IGB_PMD)
+ifneq ($(CONFIG_RTE_LIBRTE_E1000_PMD),y)
+  CONFIG_RTE_LIBRTE_E1000_PMD = $(CONFIG_RTE_LIBRTE_EM_PMD)
+endif
+
+ifeq ($(RTE_ARCH),)
+$(error RTE_ARCH is not defined)
+endif
+
+ifeq ($(RTE_MACHINE),)
+$(error RTE_MACHINE is not defined)
+endif
+
+ifeq ($(RTE_EXEC_ENV),)
+$(error RTE_EXEC_ENV is not defined)
+endif
+
+ifeq ($(RTE_TOOLCHAIN),)
+$(error RTE_TOOLCHAIN is not defined)
+endif
+
+# can be overriden by make command line or exported environment variable
+RTE_KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+
+export RTE_TARGET
+export RTE_ARCH
+export RTE_MACHINE
+export RTE_EXEC_ENV
+export RTE_TOOLCHAIN
+
+# developer build automatically enabled in a git tree
+ifneq ($(wildcard $(RTE_SDK)/.git),)
+RTE_DEVEL_BUILD := y
+endif
+
+# SRCDIR is the current source directory
+ifdef S
+SRCDIR := $(abspath $(RTE_SRCDIR)/$(S))
+else
+SRCDIR := $(RTE_SRCDIR)
+endif
+
+# helper: return y if option is set to y, else return an empty string
+testopt = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
+
+# helper: return an empty string if option is set, else return y
+not = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
+
+ifneq ($(wildcard $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk),)
+include $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk
+else
+include $(RTE_SDK)/mk/target/generic/rte.vars.mk
+endif