125 lines
4.1 KiB
Makefile
125 lines
4.1 KiB
Makefile
# BSD LICENSE
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#
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# Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#
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# To be included at the beginning of all RTE user Makefiles. This
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# .mk will define the RTE environment variables by including the
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# config file of SDK. It also includes the config file from external
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# application if any.
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#
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ifeq ($(RTE_SDK),)
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$(error RTE_SDK is not defined)
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endif
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ifeq ($(wildcard $(RTE_SDK)),)
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$(error RTE_SDK variable points to an invalid location)
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endif
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# define Q to '@' or not. $(Q) is used to prefix all shell commands to
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# be executed silently.
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Q=@
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ifdef V
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ifeq ("$(origin V)", "command line")
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Q=
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endif
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endif
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export Q
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# if we are building SDK, only includes SDK configuration
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ifneq ($(BUILDING_RTE_SDK),)
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include $(RTE_OUTPUT)/.config
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# remove double-quotes from config names
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RTE_ARCH := $(CONFIG_RTE_ARCH:"%"=%)
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RTE_MACHINE := $(CONFIG_RTE_MACHINE:"%"=%)
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RTE_EXEC_ENV := $(CONFIG_RTE_EXEC_ENV:"%"=%)
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RTE_TOOLCHAIN := $(CONFIG_RTE_TOOLCHAIN:"%"=%)
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RTE_TARGET := $(RTE_ARCH)-$(RTE_MACHINE)-$(RTE_EXEC_ENV)-$(RTE_TOOLCHAIN)
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RTE_SDK_BIN := $(RTE_OUTPUT)
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endif
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# RTE_TARGET is deducted from config when we are building the SDK.
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# Else, when building an external app, RTE_TARGET must be specified
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# by the user.
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ifeq ($(RTE_TARGET),)
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$(error RTE_TARGET is not defined)
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endif
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ifeq ($(BUILDING_RTE_SDK),)
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# if we are building an external app/lib, include rte.extvars.mk that will
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# define RTE_OUTPUT, RTE_SRCDIR, RTE_EXTMK, RTE_SDK_BIN, (etc ...)
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include $(RTE_SDK)/mk/rte.extvars.mk
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endif
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ifeq ($(RTE_ARCH),)
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$(error RTE_ARCH is not defined)
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endif
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ifeq ($(RTE_MACHINE),)
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$(error RTE_MACHINE is not defined)
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endif
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ifeq ($(RTE_EXEC_ENV),)
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$(error RTE_EXEC_ENV is not defined)
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endif
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ifeq ($(RTE_TOOLCHAIN),)
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$(error RTE_TOOLCHAIN is not defined)
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endif
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# can be overriden by make command line or exported environment variable
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RTE_KERNELDIR ?= /lib/modules/$(shell uname -r)/build
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export RTE_TARGET
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export RTE_ARCH
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export RTE_MACHINE
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export RTE_EXEC_ENV
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export RTE_TOOLCHAIN
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# SRCDIR is the current source directory
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ifdef S
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SRCDIR := $(abspath $(RTE_SRCDIR)/$(S))
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else
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SRCDIR := $(RTE_SRCDIR)
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endif
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# helper: return y if option is set to y, else return an empty string
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testopt = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
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# helper: return an empty string if option is set, else return y
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not = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
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ifneq ($(wildcard $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk),)
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include $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk
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else
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include $(RTE_SDK)/mk/target/generic/rte.vars.mk
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endif
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