ceph/src/dpdk/mk/internal/rte.extvars.mk

   1 #   BSD LICENSE
   2 #
   3 #   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   4 #   All rights reserved.
   5 #
   6 #   Redistribution and use in source and binary forms, with or without
   7 #   modification, are permitted provided that the following conditions
   8 #   are met:
   9 #
  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
  15 #       distribution.
  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.
  19 #
  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.
  31
  32 #
  33 # directory where sources are located
  34 #
  35 ifdef S
  36 ifeq ("$(origin S)", "command line")
  37 RTE_SRCDIR := $(abspath $(S))
  38 endif
  39 endif
  40 RTE_SRCDIR  ?= $(CURDIR)
  41 export RTE_SRCDIR
  42
  43 #
  44 # Makefile to call once $(RTE_OUTPUT) is created
  45 #
  46 ifdef M
  47 ifeq ("$(origin M)", "command line")
  48 RTE_EXTMK := $(abspath $(M))
  49 endif
  50 endif
  51 RTE_EXTMK ?= $(RTE_SRCDIR)/Makefile
  52 export RTE_EXTMK
  53
  54 # RTE_SDK_BIN must point to .config, include/ and lib/.
  55 RTE_SDK_BIN := $(RTE_SDK)/$(RTE_TARGET)
  56 ifeq ($(wildcard $(RTE_SDK_BIN)/.config),)
  57 $(error Cannot find .config in $(RTE_SDK_BIN))
  58 endif
  59
  60 #
  61 # Output files wil go in a separate directory: default output is
  62 # $(RTE_SRCDIR)/build
  63 # Output dir can be given as command line using "O="
  64 #
  65 ifdef O
  66 ifeq ("$(origin O)", "command line")
  67 RTE_OUTPUT := $(abspath $(O))
  68 endif
  69 endif
  70 RTE_OUTPUT ?= $(RTE_SRCDIR)/build
  71 export RTE_OUTPUT
  72
  73 # if we are building an external application, include SDK
  74 # configuration and include project configuration if any
  75 include $(RTE_SDK_BIN)/.config
  76 ifneq ($(wildcard $(RTE_OUTPUT)/.config),)
  77   include $(RTE_OUTPUT)/.config
  78 endif
  79 # remove double-quotes from config names
  80 RTE_ARCH := $(CONFIG_RTE_ARCH:"%"=%)
  81 RTE_MACHINE := $(CONFIG_RTE_MACHINE:"%"=%)
  82 RTE_EXEC_ENV := $(CONFIG_RTE_EXEC_ENV:"%"=%)
  83 RTE_TOOLCHAIN := $(CONFIG_RTE_TOOLCHAIN:"%"=%)