Docker build toolchain working

containers/buildbot-mlir-nvidia/Dockerfile

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+FROM nvidia/cuda:10.2-base
+
+# install build tools
+# set -eux;\
+RUN apt-get update; \
+    apt-get install -y cmake clang-8 lld-8 ninja-build python-psutil git wget gnupg;\
+    update-alternatives --install /usr/bin/clang clang /usr/bin/clang-8 100 ;\
+    update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-8 100 ;\
+    update-alternatives --install /usr/bin/lld lld /usr/bin/lld-8 100
+
+# just for testing
+RUN mkdir /tests ;\
+    cd /tests ;\
+    git clone --depth 1 https://github.com/llvm/llvm-project 
+
+# install cuda
+# avoid popups for keyboard configurations
+RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cuda
+
+COPY test.sh /tests
+CMD /tests/test.sh

containers/buildbot-mlir-nvidia/test.sh

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+#!/bin/bash
+set -eux
+
+cd /tests/llvm-project
+mkdir -p build
+cd build
+cmake -G Ninja ../llvm -DLLVM_BUILD_EXAMPLES=ON -DLLVM_ENABLE_CXX1Y=Y -DLLVM_TARGETS_TO_BUILD="host;NVPTX" -DLLVM_ENABLE_PROJECTS=mlir -DMLIR_CUDA_RUNNER_ENABLED=1 -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc
+
+cmake --build . --target check-mlir