[CI] use llvm9 for the gpu tests (#4224)

* [CI] use llvm9 for the gpu tests

* Update Docker script to support new nvidia docker

Jenkinsfile

@@ -145,7 +145,7 @@ stage('Build') {
            echo set\\(USE_CUDA ON\\) >> config.cmake
            echo set\\(USE_OPENGL ON\\) >> config.cmake
            echo set\\(USE_MICRO ON\\) >> config.cmake
-           echo set\\(USE_LLVM llvm-config-7\\) >> config.cmake
+           echo set\\(USE_LLVM llvm-config-9\\) >> config.cmake
            echo set\\(USE_NNPACK ON\\) >> config.cmake
            echo set\\(NNPACK_PATH /NNPACK/build/\\) >> config.cmake
            echo set\\(USE_RPC ON\\) >> config.cmake

cmake/util/FindANTLR.cmake

@@ -61,5 +61,5 @@ macro(find_antlr use_antlr)
   elseif(NOT ${use_antlr} STREQUAL "OFF")
     set(ANTLR4 ${JAVA_PROGRAM} -jar ${use_antlr})
   endif()
-  message(STATUS "ANTLR4="${ANTLR4})
+  message(STATUS "ANTLR4=${ANTLR4}")
 endmacro(find_antlr)

docker/bash.sh

@@ -51,18 +51,24 @@ SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 WORKSPACE="$(pwd)"
 
 # Use nvidia-docker if the container is GPU.
-if [[ "${DOCKER_IMAGE_NAME}" == *"gpu"* ]]; then
-    DOCKER_BINARY="nvidia-docker"
-else
-    DOCKER_BINARY="docker"
-fi
-
 if [[ ! -z $CUDA_VISIBLE_DEVICES ]]; then
     CUDA_ENV="-e CUDA_VISIBLE_DEVICES=${CUDA_VISIBLE_DEVICES}"
 else
     CUDA_ENV=""
 fi
 
+if [[ "${DOCKER_IMAGE_NAME}" == *"gpu"* ]]; then
+    if ! type "nvidia-docker" > /dev/null
+    then
+        DOCKER_BINARY="docker"
+        CUDA_ENV=" --gpus all "${CUDA_ENV}
+    else
+        DOCKER_BINARY="nvidia-docker"
+    fi
+else
+    DOCKER_BINARY="docker"
+fi
+
 # Print arguments.
 echo "WORKSPACE: ${WORKSPACE}"
 echo "DOCKER CONTAINER NAME: ${DOCKER_IMAGE_NAME}"