ceph/src/spdk/dpdk/mk/arch/x86_x32/rte.vars.mk

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright(c) 2010-2014 Intel Corporation
   3
   4 #
   5 # arch:
   6 #
   7 #   - define ARCH variable (overridden by cmdline or by previous
   8 #     optional define in machine .mk)
   9 #   - define CROSS variable (overridden by cmdline or previous define
  10 #     in machine .mk)
  11 #   - define CPU_CFLAGS variable (overridden by cmdline or previous
  12 #     define in machine .mk)
  13 #   - define CPU_LDFLAGS variable (overridden by cmdline or previous
  14 #     define in machine .mk)
  15 #   - define CPU_ASFLAGS variable (overridden by cmdline or previous
  16 #     define in machine .mk)
  17 #   - may override any previously defined variable
  18 #
  19 # examples for CONFIG_RTE_ARCH: i686, x86_64, x86_64_32
  20 #
  21
  22 ARCH  ?= x86_64
  23 ARCH_DIR := x86
  24 CROSS ?=
  25
  26 CPU_CFLAGS  ?= -mx32
  27 CPU_LDFLAGS ?= -melf32_x86_64
  28 #CPU_ASFLAGS ?= -felf64
  29 # x32 is supported by Linux distribution with gcc4.8 and newer in some
  30 # cases there is backported support in gcc4.6
  31 ifneq ($(shell echo | $(CC) $(CPU_CFLAGS) -E - 2>/dev/null 1>/dev/null && echo 0), 0)
  32         $(error This version of GCC does not support x32 ABI)
  33 endif
  34
  35 export ARCH CROSS CPU_CFLAGS CPU_LDFLAGS CPU_ASFLAGS
  36
  37 RTE_OBJCOPY_TARGET = elf32-x86-64
  38 RTE_OBJCOPY_ARCH = i386:x86-64
  39
  40 export RTE_OBJCOPY_TARGET RTE_OBJCOPY_ARCH