ceph/src/spdk/dpdk/mk/toolchain/clang/rte.vars.mk

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright(c) 2010-2014 Intel Corporation
   3
   4 #
   5 # toolchain:
   6 #
   7 #   - define CC, LD, AR, AS, ... (overridden by cmdline value)
   8 #   - define TOOLCHAIN_CFLAGS variable (overridden by cmdline value)
   9 #   - define TOOLCHAIN_LDFLAGS variable (overridden by cmdline value)
  10 #   - define TOOLCHAIN_ASFLAGS variable (overridden by cmdline value)
  11 #
  12
  13 CC        = $(CROSS)clang
  14 KERNELCC  = $(CROSS)gcc
  15 CPP       = $(CROSS)cpp
  16 # for now, we don't use as but nasm.
  17 # AS      = $(CROSS)as
  18 AS        = nasm
  19 AR        = $(CROSS)ar
  20 LD        = $(CROSS)ld
  21 OBJCOPY   = $(CROSS)objcopy
  22 OBJDUMP   = $(CROSS)objdump
  23 STRIP     = $(CROSS)strip
  24 READELF   = $(CROSS)readelf
  25 GCOV      = $(CROSS)gcov
  26
  27 ifeq ("$(origin CC)", "command line")
  28 HOSTCC    = $(CC)
  29 else
  30 HOSTCC    = clang
  31 endif
  32 HOSTAS    = as
  33
  34 TOOLCHAIN_ASFLAGS =
  35 TOOLCHAIN_CFLAGS =
  36 TOOLCHAIN_LDFLAGS =
  37
  38 WERROR_FLAGS := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
  39 WERROR_FLAGS += -Wmissing-declarations -Wold-style-definition -Wpointer-arith
  40 WERROR_FLAGS += -Wnested-externs -Wcast-qual
  41 WERROR_FLAGS += -Wformat-nonliteral -Wformat-security
  42 WERROR_FLAGS += -Wundef -Wwrite-strings -Wdeprecated
  43
  44 ifeq ($(RTE_DEVEL_BUILD),y)
  45 WERROR_FLAGS += -Werror
  46 endif
  47
  48 # process cpu flags
  49 include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.toolchain-compat.mk
  50
  51 # disable warning for non-initialised fields
  52 WERROR_FLAGS += -Wno-missing-field-initializers
  53
  54 # disable packed member unalign warnings
  55 ifeq ($(shell test $(CLANG_MAJOR_VERSION) -ge 4 && echo 1), 1)
  56 WERROR_FLAGS += -Wno-address-of-packed-member
  57 endif
  58
  59 export CC AS AR LD OBJCOPY OBJDUMP STRIP READELF
  60 export TOOLCHAIN_CFLAGS TOOLCHAIN_LDFLAGS TOOLCHAIN_ASFLAGS