Hi All,

I was trying to get mellanox NIC ConnectX-4 working with VPP on Cavium's 
aarch64 SoC. After applying patch https://gerrit.fd.io/r/#/c/8390/ on top of 
v1710-rc2 and with some local changes I am able to compile VPP successfully. 
One of the compilation issue I faced was with 
dpdk/dpdk-17.08/buildtools/auto-config-h.sh where following line in the script


: ${CC:=cc}


returns ""gcc instead of simply gcc thereby not defining some of the macros 
which in turn caused compilation error.


I tried debugging it but seems like CC was coming incorrect from some rte.*.mk 
file. I just fixed this by hard coding CC to gcc


-  : ${CC:=cc}

+ CC=gcc


Can someone please suggest what possibly be happening wrong here in default 
case?


Thanks,

Nitin




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