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path: root/mk/toolchain/gcc/rte.vars.mk
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#   BSD LICENSE
# 
#   Copyright(c) 2010-2012 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, ... (overriden by cmdline value)
#   - define TOOLCHAIN_CFLAGS variable (overriden by cmdline value)
#   - define TOOLCHAIN_LDFLAGS variable (overriden by cmdline value)
#   - define TOOLCHAIN_ASFLAGS variable (overriden by cmdline value)
#
# examples for RTE_TOOLCHAIN: gcc, icc
#

CC        = $(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

HOSTCC    = gcc
HOSTAS    = as

TOOLCHAIN_ASFLAGS =
TOOLCHAIN_CFLAGS =
TOOLCHAIN_LDFLAGS =

ifeq ($(CONFIG_RTE_LIBRTE_GCOV),y)
TOOLCHAIN_CFLAGS += --coverage
TOOLCHAIN_LDFLAGS += --coverage
ifeq (,$(findstring -O0,$(EXTRA_CFLAGS)))
  $(warning "EXTRA_CFLAGS doesn't contains -O0, coverage will be inaccurate with optimizations enabled")
endif
endif

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

ifeq ($(CONFIG_RTE_EXEC_ENV),"linuxapp")
# These trigger warnings in newlib, so can't be used for baremetal
WERROR_FLAGS += -Wundef -Wwrite-strings
endif

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

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