fix nccl2 version in manylinux devel docker image

tools/manylinux1/build_scripts/install_nccl2.sh

@@ -1,11 +1,18 @@
 #!/bin/bash
-DEB="nccl-repo-ubuntu1604-2.1.4-ga-cuda8.0_1-1_amd64.deb"
+VERSION=$(nvcc --version | grep release | grep -oEi "release ([0-9]+)\.([0-9])"| sed "s/release //")
+if [ "$VERSION" == "9.0" ]; then
+  DEB="nccl-repo-ubuntu1604-2.1.15-ga-cuda9.0_1-1_amd64.deb"
+  URL="http://nccl2-deb.gz.bcebos.com/nccl-repo-ubuntu1604-2.1.15-ga-cuda9.0_1-1_amd64.deb"
+else
+  DEB="nccl-repo-ubuntu1604-2.1.4-ga-cuda8.0_1-1_amd64.deb"
+  URL="http://nccl2-deb.gz.bcebos.com/nccl-repo-ubuntu1604-2.1.4-ga-cuda8.0_1-1_amd64.deb?responseContentDisposition=attachment"
+fi
+
 DIR="/nccl2"
 mkdir -p $DIR
 # we cached the nccl2 deb package in BOS, so we can download it with wget
 # install nccl2: http://docs.nvidia.com/deeplearning/sdk/nccl-install-guide/index.html#down
-wget -O $DIR/$DEB \
-  "http://nccl2-deb.gz.bcebos.com/nccl-repo-ubuntu1604-2.1.4-ga-cuda8.0_1-1_amd64.deb?responseContentDisposition=attachment"
+wget -O $DIR/$DEB $URL
 
 cd $DIR && ar x $DEB && tar xf data.tar.xz
 DEBS=$(find ./var/ -name "*.deb")