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.
34 # To be included at the beginning of all RTE user Makefiles. This
35 # .mk will define the RTE environment variables by including the
36 # config file of SDK. It also includes the config file from external
41 $(error RTE_SDK is not defined)
43 ifeq ($(wildcard $(RTE_SDK)),)
44 $(error RTE_SDK variable points to an invalid location)
47 # define Q to '@' or not. $(Q) is used to prefix all shell commands to
48 # be executed silently.
51 ifeq ("$(origin V)", "command line")
57 # if we are building SDK, only includes SDK configuration
58 ifneq ($(BUILDING_RTE_SDK),)
59 include $(RTE_OUTPUT)/.config
60 # remove double-quotes from config names
61 RTE_ARCH := $(CONFIG_RTE_ARCH:"%"=%)
62 RTE_MACHINE := $(CONFIG_RTE_MACHINE:"%"=%)
63 RTE_EXEC_ENV := $(CONFIG_RTE_EXEC_ENV:"%"=%)
64 RTE_TOOLCHAIN := $(CONFIG_RTE_TOOLCHAIN:"%"=%)
65 RTE_TARGET := $(RTE_ARCH)-$(RTE_MACHINE)-$(RTE_EXEC_ENV)-$(RTE_TOOLCHAIN)
66 RTE_SDK_BIN := $(RTE_OUTPUT)
69 # RTE_TARGET is deducted from config when we are building the SDK.
70 # Else, when building an external app, RTE_TARGET must be specified
73 $(error RTE_TARGET is not defined)
76 ifeq ($(BUILDING_RTE_SDK),)
77 # if we are building an external app/lib, include rte.extvars.mk that will
78 # define RTE_OUTPUT, RTE_SRCDIR, RTE_EXTMK, RTE_SDK_BIN, (etc ...)
79 include $(RTE_SDK)/mk/rte.extvars.mk
82 CONFIG_RTE_LIBRTE_E1000_PMD = $(CONFIG_RTE_LIBRTE_IGB_PMD)
83 ifneq ($(CONFIG_RTE_LIBRTE_E1000_PMD),y)
84 CONFIG_RTE_LIBRTE_E1000_PMD = $(CONFIG_RTE_LIBRTE_EM_PMD)
88 $(error RTE_ARCH is not defined)
91 ifeq ($(RTE_MACHINE),)
92 $(error RTE_MACHINE is not defined)
95 ifeq ($(RTE_EXEC_ENV),)
96 $(error RTE_EXEC_ENV is not defined)
99 ifeq ($(RTE_TOOLCHAIN),)
100 $(error RTE_TOOLCHAIN is not defined)
103 # can be overriden by make command line or exported environment variable
104 RTE_KERNELDIR ?= /lib/modules/$(shell uname -r)/build
112 # SRCDIR is the current source directory
114 SRCDIR := $(abspath $(RTE_SRCDIR)/$(S))
116 SRCDIR := $(RTE_SRCDIR)
119 # helper: return y if option is set to y, else return an empty string
120 testopt = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
122 # helper: return an empty string if option is set, else return y
123 not = $(if $(strip $(subst y,,$(1)) $(subst $(1),,y)),,y)
125 ifneq ($(wildcard $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk),)
126 include $(RTE_SDK)/mk/target/$(RTE_TARGET)/rte.vars.mk
128 include $(RTE_SDK)/mk/target/generic/rte.vars.mk