3 # Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in
14 # the documentation and/or other materials provided with the
16 # * Neither the name of Intel Corporation nor the names of its
17 # contributors may be used to endorse or promote products derived
18 # from this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 # version: DPDK.L.1.2.3-3
35 # To be included at the beginning of all RTE user Makefiles. This
36 # .mk will define the RTE environment variables by including the
37 # config file of SDK. It also includes the config file from external
42 $(error RTE_SDK is not defined)
44 ifeq ($(wildcard $(RTE_SDK)),)
45 $(error RTE_SDK variable points to an invalid location)
48 # define Q to '@' or not. $(Q) is used to prefix all shell commands to
49 # be executed silently.
52 ifeq ("$(origin V)", "command line")
58 # if we are building SDK, only includes SDK configuration
59 ifneq ($(BUILDING_RTE_SDK),)
60 include $(RTE_OUTPUT)/.config
61 # remove double-quotes from config names
62 RTE_ARCH := $(CONFIG_RTE_ARCH:"%"=%)
63 RTE_MACHINE := $(CONFIG_RTE_MACHINE:"%"=%)
64 RTE_EXEC_ENV := $(CONFIG_RTE_EXEC_ENV:"%"=%)
65 RTE_TOOLCHAIN := $(CONFIG_RTE_TOOLCHAIN:"%"=%)
66 RTE_TARGET := $(RTE_ARCH)-$(RTE_MACHINE)-$(RTE_EXEC_ENV)-$(RTE_TOOLCHAIN)
67 RTE_SDK_BIN := $(RTE_OUTPUT)
70 # RTE_TARGET is deducted from config when we are building the SDK.
71 # Else, when building an external app, RTE_TARGET must be specified
74 $(error RTE_TARGET is not defined)
77 ifeq ($(BUILDING_RTE_SDK),)
78 # if we are building an external app/lib, include rte.extvars.mk that will
79 # define RTE_OUTPUT, RTE_SRCDIR, RTE_EXTMK, RTE_SDK_BIN, (etc ...)
80 include $(RTE_SDK)/mk/rte.extvars.mk
84 $(error RTE_ARCH is not defined)
87 ifeq ($(RTE_MACHINE),)
88 $(error RTE_MACHINE is not defined)
91 ifeq ($(RTE_EXEC_ENV),)
92 $(error RTE_EXEC_ENV is not defined)
95 ifeq ($(RTE_TOOLCHAIN),)
96 $(error RTE_TOOLCHAIN is not defined)
99 # can be overriden by make command line or exported environment variable
100 RTE_KERNELDIR ?= /lib/modules/$(shell uname -r)/build
108 # SRCDIR is the current source directory
110 SRCDIR := $(abspath $(RTE_SRCDIR)/$(S))
112 SRCDIR := $(RTE_SRCDIR)
115 # helper: return y if option is set to y, else return an empty string
116 testopt = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
118 # helper: return an empty string if option is set, else return y
119 not = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
121 ifneq ($(wildcard $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk),)
122 include $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk
124 include $(RTE_SDK)/mk/target/generic/rte.vars.mk