X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=mk%2Ftoolchain%2Fgcc%2Frte.toolchain-compat.mk;h=01ac7e2325df550ecc2463a2161df7f035c92d97;hb=bb12152c9d5bacd984f5a0a783327b4e3cb65c70;hp=0465c43c058b9a4a3525e2741a3e2a0be52688e7;hpb=1c1d4d7a923d4804f1926fc5264f9ecdd8977b04;p=dpdk.git

diff --git a/mk/toolchain/gcc/rte.toolchain-compat.mk b/mk/toolchain/gcc/rte.toolchain-compat.mk
index 0465c43c05..01ac7e2325 100644
--- a/mk/toolchain/gcc/rte.toolchain-compat.mk
+++ b/mk/toolchain/gcc/rte.toolchain-compat.mk
@@ -1,12 +1,12 @@
 #   BSD LICENSE
-# 
-#   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+#
+#   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
@@ -16,7 +16,7 @@
 #     * 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
@@ -38,17 +38,17 @@
 
 #find out GCC version
 
-GCC_MAJOR_VERSION = $(shell $(CC) -dumpversion | cut -f1 -d.)
+GCC_MAJOR = $(shell echo __GNUC__ | $(CC) -E -x c - | tail -n 1)
+GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(CC) -E -x c - | tail -n 1)
+GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)
 
-# if GCC is not 4.x
-ifneq ($(GCC_MAJOR_VERSION),4)
+# if GCC is older than 4.x
+ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
 	MACHINE_CFLAGS =
-$(warning You are not using GCC 4.x. This is neither supported, nor tested.)
+$(warning You are using GCC < 4.x. This is neither supported, nor tested.)
 
 
 else
-	GCC_MINOR_VERSION = $(shell $(CC) -dumpversion | cut -f2 -d.)
-
 # GCC graceful degradation
 # GCC 4.2.x - added support for generic target
 # GCC 4.3.x - added support for core2, ssse3, sse4.1, sse4.2
@@ -56,19 +56,24 @@ else
 # GCC 4.5.x - added support for atom
 # GCC 4.6.x - added support for corei7, corei7-avx
 # GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
-
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -le 7 && echo 1), 1)
+# GCC 4.9.x - added support for armv8-a+crc
+#
+	ifeq ($(shell test $(GCC_VERSION) -le 49 && echo 1), 1)
+		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc,-march=armv8-a+crc -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc+crypto,-march=armv8-a+crc+crypto -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
+	endif
+	ifeq ($(shell test $(GCC_VERSION) -le 47 && echo 1), 1)
 		MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-march=corei7-avx,$(MACHINE_CFLAGS))
-		MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=corei7-avx,$(MACHINE_CFLAGS))
+		MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))
 	endif
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -lt 6 && echo 1), 1)
+	ifeq ($(shell test $(GCC_VERSION) -lt 46 && echo 1), 1)
 		MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-march=core2 -maes -mpclmul -mavx,$(MACHINE_CFLAGS))
 		MACHINE_CFLAGS := $(patsubst -march=corei7,-march=core2 -maes -mpclmul,$(MACHINE_CFLAGS))
 	endif
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -lt 5 && echo 1), 1)
+	ifeq ($(shell test $(GCC_VERSION) -lt 45 && echo 1), 1)
 		MACHINE_CFLAGS := $(patsubst -march=atom,-march=core2 -mssse3,$(MACHINE_CFLAGS))
 	endif
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -lt 4 && echo 1), 1)
+	ifeq ($(shell test $(GCC_VERSION) -lt 44 && echo 1), 1)
 		MACHINE_CFLAGS := $(filter-out -mavx -mpclmul -maes,$(MACHINE_CFLAGS))
 		ifneq ($(findstring SSE4_2, $(CPUFLAGS)),)
 			MACHINE_CFLAGS += -msse4.2
@@ -77,21 +82,17 @@ else
 			MACHINE_CFLAGS += -msse4.1
 		endif
 	endif
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -lt 3 && echo 1), 1)
+	ifeq ($(shell test $(GCC_VERSION) -lt 43 && echo 1), 1)
 		MACHINE_CFLAGS := $(filter-out -msse% -mssse%,$(MACHINE_CFLAGS))
 		MACHINE_CFLAGS := $(patsubst -march=core2,-march=generic,$(MACHINE_CFLAGS))
 		MACHINE_CFLAGS += -msse3
 	endif
-	ifeq ($(shell test $(GCC_MINOR_VERSION) -lt 2 && echo 1), 1)
+	ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
 		MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(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)
+	# Disable thunderx PMD for gcc < 4.7
+	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
+		CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
+	endif
+endif