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Diffstat (limited to 'mk/rte.vars.mk')
| -rw-r--r-- | mk/rte.vars.mk | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/mk/rte.vars.mk b/mk/rte.vars.mk new file mode 100644 index 00000000..28982a5f --- /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 |