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#   BSD LICENSE
#
#   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
#   All rights reserved.
#
#   Redistribution and use in source and binary forms, with or without
#   modification, are permitted provided that the following conditions
#   are met:
#
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in
#       the documentation and/or other materials provided with the
#       distribution.
#     * Neither the name of Intel Corporation nor the names of its
#       contributors may be used to endorse or promote products derived
#       from this software without specific prior written permission.
#
#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#
# toolchain:
#
#   - define CC, LD, AR, AS, ... (overridden by cmdline value)
#   - define TOOLCHAIN_CFLAGS variable (overridden by cmdline value)
#   - define TOOLCHAIN_LDFLAGS variable (overridden by cmdline value)
#   - define TOOLCHAIN_ASFLAGS variable (overridden by cmdline value)
#

CC        = $(CROSS)clang
KERNELCC  = $(CROSS)gcc
CPP       = $(CROSS)cpp
# for now, we don't use as but nasm.
# AS      = $(CROSS)as
AS        = nasm
AR        = $(CROSS)ar
LD        = $(CROSS)ld
OBJCOPY   = $(CROSS)objcopy
OBJDUMP   = $(CROSS)objdump
STRIP     = $(CROSS)strip
READELF   = $(CROSS)readelf
GCOV      = $(CROSS)gcov

ifeq ("$(origin CC)", "command line")
HOSTCC    = $(CC)
else
HOSTCC    = clang
endif
HOSTAS    = as

TOOLCHAIN_ASFLAGS =
TOOLCHAIN_CFLAGS =
TOOLCHAIN_LDFLAGS =

WERROR_FLAGS := -W -Wall -Wstrict-prototypes -Wmissing-prototypes
WERROR_FLAGS += -Wmissing-declarations -Wold-style-definition -Wpointer-arith
WERROR_FLAGS += -Wnested-externs -Wcast-qual
WERROR_FLAGS += -Wformat-nonliteral -Wformat-security
WERROR_FLAGS += -Wundef -Wwrite-strings

ifeq ($(RTE_DEVEL_BUILD),y)
WERROR_FLAGS += -Werror
endif

# process cpu flags
include $(RTE_SDK)/mk/toolchain/$(RTE_TOOLCHAIN)/rte.toolchain-compat.mk

# workaround clang bug with warning "missing field initializer" for "= {0}"
WERROR_FLAGS += -Wno-missing-field-initializers

# disable packed member unalign warnings
ifeq ($(shell test $(CLANG_MAJOR_VERSION) -ge 4 && echo 1), 1)
WERROR_FLAGS += -Wno-address-of-packed-member
endif

export CC AS AR LD OBJCOPY OBJDUMP STRIP READELF
export TOOLCHAIN_CFLAGS TOOLCHAIN_LDFLAGS TOOLCHAIN_ASFLAGS