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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.
+#
+# version: DPDK.L.1.2.3-3
+
+#
+# CPUID-related options
+#
+# This was added to support compiler versions which might not support all the
+# flags we need
+#
+
+# find out ICC version
+
+ICC_MAJOR_VERSION = $(shell icc -dumpversion | cut -f1 -d.)
+
+ifneq ($(ICC_MAJOR_VERSION),12)
+ MACHINE_CFLAGS = -xSSE3
+$(warning You are not using ICC 12.x. This is neither supported, nor tested.)
+
+else
+# proceed to adjust compiler flags
+
+ ICC_MINOR_VERSION = $(shell icc -dumpversion | cut -f2 -d.)
+
+# replace GCC flags with ICC flags
+ ifeq ($(shell test $(ICC_MINOR_VERSION) -lt 2 && echo 1), 1)
+ # Atom
+ MACHINE_CFLAGS := $(patsubst -march=atom,-xSSSE3_ATOM -march=atom,$(MACHINE_CFLAGS))
+ # nehalem/westmere
+ MACHINE_CFLAGS := $(patsubst -march=corei7,-xSSE4.2 -march=corei7,$(MACHINE_CFLAGS))
+ # sandy bridge
+ MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-xAVX,$(MACHINE_CFLAGS))
+ # ivy bridge
+ MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-xCORE-AVX-I,$(MACHINE_CFLAGS))
+ # remove westmere flags
+ MACHINE_CFLAGS := $(filter-out -mpclmul -maes,$(MACHINE_CFLAGS))
+ endif
+ ifeq ($(shell test $(ICC_MINOR_VERSION) -lt 1 && echo 1), 1)
+ # Atom
+ MACHINE_CFLAGS := $(patsubst -xSSSE3_ATOM,-xSSE3_ATOM,$(MACHINE_CFLAGS))
+ # remove march options
+ MACHINE_CFLAGS := $(patsubst -march=%,-xSSE3,$(MACHINE_CFLAGS))
+ endif
+endif
+MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
+
+# To strip whitespace
+comma:= ,
+empty:=
+space:= $(empty) $(empty)
+CPUFLAGSTMP1 := $(addprefix RTE_CPUFLAG_,$(CPUFLAGS))
+CPUFLAGSTMP2 := $(subst $(space),$(comma),$(CPUFLAGSTMP1))
+MACHINE_CFLAGS += -DRTE_COMPILE_TIME_CPUFLAGS=$(CPUFLAGSTMP2)