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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.
#
# machine:
#
# - can define ARCH variable (overridden by cmdline value)
# - can define CROSS variable (overridden by cmdline value)
# - define MACHINE_CFLAGS variable (overridden by cmdline value)
# - define MACHINE_LDFLAGS variable (overridden by cmdline value)
# - define MACHINE_ASFLAGS variable (overridden by cmdline value)
# - can define CPU_CFLAGS variable (overridden by cmdline value) that
# overrides the one defined in arch.
# - can define CPU_LDFLAGS variable (overridden by cmdline value) that
# overrides the one defined in arch.
# - can define CPU_ASFLAGS variable (overridden by cmdline value) that
# overrides the one defined in arch.
# - may override any previously defined variable
#
# ARCH =
# CROSS =
# MACHINE_CFLAGS =
# MACHINE_LDFLAGS =
# MACHINE_ASFLAGS =
# CPU_CFLAGS =
# CPU_LDFLAGS =
# CPU_ASFLAGS =
MACHINE_CFLAGS = -march=native
# On FreeBSD systems, sometimes the correct CPU type is not picked up.
# To get everything to compile, we need SSE4.2 support, so check if that is
# reported by compiler. If not, check if the CPU actually supports it, and if
# so, set the compilation target to be a corei7, minimum target with SSE4.2.
SSE42_SUPPORT=$(shell $(CC) -march=native -dM -E - </dev/null | grep SSE4_2)
ifeq ($(SSE42_SUPPORT),)
MACHINE_CFLAGS = -march=corei7
endif
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