mirror of https://github.com/F-Stack/f-stack.git
104 lines
4.5 KiB
Makefile
104 lines
4.5 KiB
Makefile
# BSD LICENSE
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#
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# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# CPUID-related options
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#
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# This was added to support compiler versions which might not support all the
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# flags we need
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#
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#find out GCC version
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GCC_MAJOR = $(shell echo __GNUC__ | $(CC) -E -x c - | tail -n 1)
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GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(CC) -E -x c - | tail -n 1)
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GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)
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HOST_GCC_MAJOR = $(shell echo __GNUC__ | $(HOSTCC) -E -x c - | tail -n 1)
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HOST_GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(HOSTCC) -E -x c - | tail -n 1)
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HOST_GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(HOSTCC) -E -x c - | tail -n 1)
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HOST_GCC_VERSION = $(HOST_GCC_MAJOR)$(HOST_GCC_MINOR)
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# if GCC is older than 4.x
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ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
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MACHINE_CFLAGS =
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$(warning You are using GCC < 4.x. This is neither supported, nor tested.)
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else
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# GCC graceful degradation
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# GCC 4.2.x - added support for generic target
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# GCC 4.3.x - added support for core2, ssse3, sse4.1, sse4.2
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# GCC 4.4.x - added support for avx, aes, pclmul
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# GCC 4.5.x - added support for atom
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# GCC 4.6.x - added support for corei7, corei7-avx
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# GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
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# GCC 4.9.x - added support for armv8-a+crc
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#
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ifeq ($(shell test $(GCC_VERSION) -le 49 && echo 1), 1)
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MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc,-march=armv8-a+crc -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
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MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc+crypto,-march=armv8-a+crc+crypto -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
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endif
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ifeq ($(shell test $(GCC_VERSION) -le 47 && echo 1), 1)
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MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-march=corei7-avx,$(MACHINE_CFLAGS))
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MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))
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endif
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ifeq ($(shell test $(GCC_VERSION) -lt 46 && echo 1), 1)
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MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-march=core2 -maes -mpclmul -mavx,$(MACHINE_CFLAGS))
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MACHINE_CFLAGS := $(patsubst -march=corei7,-march=core2 -maes -mpclmul,$(MACHINE_CFLAGS))
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endif
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ifeq ($(shell test $(GCC_VERSION) -lt 45 && echo 1), 1)
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MACHINE_CFLAGS := $(patsubst -march=atom,-march=core2 -mssse3,$(MACHINE_CFLAGS))
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endif
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ifeq ($(shell test $(GCC_VERSION) -lt 44 && echo 1), 1)
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MACHINE_CFLAGS := $(filter-out -mavx -mpclmul -maes,$(MACHINE_CFLAGS))
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ifneq ($(findstring SSE4_2, $(CPUFLAGS)),)
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MACHINE_CFLAGS += -msse4.2
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endif
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ifneq ($(findstring SSE4_1, $(CPUFLAGS)),)
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MACHINE_CFLAGS += -msse4.1
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endif
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endif
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ifeq ($(shell test $(GCC_VERSION) -lt 43 && echo 1), 1)
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MACHINE_CFLAGS := $(filter-out -msse% -mssse%,$(MACHINE_CFLAGS))
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MACHINE_CFLAGS := $(patsubst -march=core2,-march=generic,$(MACHINE_CFLAGS))
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MACHINE_CFLAGS += -msse3
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endif
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ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
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MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS))
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endif
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# Disable thunderx PMD for gcc < 4.7
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ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
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CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
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endif
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endif
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