X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=mk%2Ftoolchain%2Fgcc%2Frte.toolchain-compat.mk;h=6eed20cc32a2b930ad93128ad42f63cd86c88910;hb=5a592d35c050c8c8ec25ecb50bd0fe0f938fc627;hp=61bb5b7134affe1c09fc9b0449a5028fa4a6d39e;hpb=0cd54d9c17e85ab35f317858c4f19c6ecd023f0b;p=dpdk.git

diff --git a/mk/toolchain/gcc/rte.toolchain-compat.mk b/mk/toolchain/gcc/rte.toolchain-compat.mk
index 61bb5b7134..6eed20cc32 100644
--- a/mk/toolchain/gcc/rte.toolchain-compat.mk
+++ b/mk/toolchain/gcc/rte.toolchain-compat.mk
@@ -38,7 +38,9 @@
 
 #find out GCC version
 
-GCC_VERSION = $(subst .,,$(shell $(CC) -dumpversion | cut -f1-2 -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 older than 4.x
 ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
@@ -54,7 +56,11 @@ else
 # GCC 4.5.x - added support for atom
 # GCC 4.6.x - added support for corei7, corei7-avx
 # GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
-
+# GCC 4.9.x - added support for armv8-a+crc
+#
+	ifeq ($(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))
+	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 := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))