ceph/src/spdk/lib/env_dpdk/env.mk

   1 #
   2 #  BSD LICENSE
   3 #
   4 #  Copyright (c) Intel Corporation.
   5 #  All rights reserved.
   6 #
   7 #  Redistribution and use in source and binary forms, with or without
   8 #  modification, are permitted provided that the following conditions
   9 #  are met:
  10 #
  11 #    * Redistributions of source code must retain the above copyright
  12 #      notice, this list of conditions and the following disclaimer.
  13 #    * Redistributions in binary form must reproduce the above copyright
  14 #      notice, this list of conditions and the following disclaimer in
  15 #      the documentation and/or other materials provided with the
  16 #      distribution.
  17 #    * Neither the name of Intel Corporation nor the names of its
  18 #      contributors may be used to endorse or promote products derived
  19 #      from this software without specific prior written permission.
  20 #
  21 #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 #  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23 #  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24 #  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25 #  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26 #  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27 #  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28 #  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29 #  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32 #
  33
  34 # This makefile snippet must define the following flags:
  35 # ENV_CFLAGS
  36 # ENV_CXXFLAGS
  37 # ENV_LIBS
  38 # ENV_LINKER_ARGS
  39
  40 DPDK_DIR ?= $(CONFIG_DPDK_DIR)
  41
  42 ifeq ($(DPDK_DIR), )
  43 ifeq ($(OS),FreeBSD)
  44 export DPDK_ABS_DIR = /usr/local/share/dpdk/x86_64-native-freebsdapp-clang
  45 else
  46 export DPDK_ABS_DIR = /usr/local/share/dpdk/x86_64-native-linuxapp-gcc
  47 endif
  48 else
  49 export DPDK_ABS_DIR = $(abspath $(DPDK_DIR))
  50 endif
  51
  52 ifneq (, $(wildcard $(DPDK_ABS_DIR)/include/rte_config.h))
  53 DPDK_INC = -I$(DPDK_ABS_DIR)/include
  54 else
  55 DPDK_INC = -I$(DPDK_ABS_DIR)/include/dpdk
  56 endif
  57
  58 ifneq (, $(wildcard $(DPDK_ABS_DIR)/lib/librte_eal.a))
  59 DPDK_LIB_EXT = .a
  60 else
  61 DPDK_LIB_EXT = .so
  62 endif
  63
  64 DPDK_LIB_LIST = rte_eal rte_mempool rte_ring
  65
  66 # librte_malloc was removed after DPDK 2.1.  Link this library conditionally based on its
  67 #  existence to maintain backward compatibility.
  68 ifneq ($(wildcard $(DPDK_ABS_DIR)/lib/librte_malloc.*),)
  69 DPDK_LIB_LIST += rte_malloc
  70 endif
  71
  72 DPDK_LIB = $(DPDK_LIB_LIST:%=$(DPDK_ABS_DIR)/lib/lib%$(DPDK_LIB_EXT))
  73
  74 ENV_CFLAGS = $(DPDK_INC)
  75 ENV_CXXFLAGS = $(ENV_CFLAGS)
  76 ENV_DPDK_FILE = $(call spdk_lib_list_to_files,env_dpdk)
  77 ENV_LIBS = $(ENV_DPDK_FILE) $(DPDK_LIB)
  78 ENV_LINKER_ARGS = $(ENV_DPDK_FILE) -Wl,--start-group -Wl,--whole-archive $(DPDK_LIB) -Wl,--end-group -Wl,--no-whole-archive
  79
  80 ifeq ($(OS),Linux)
  81 ENV_LINKER_ARGS += -ldl
  82 endif
  83 ifeq ($(OS),FreeBSD)
  84 ENV_LINKER_ARGS += -lexecinfo
  85 endif