Add 'third_party/cpp/googleapis/' from commit 'c873fd3aa1'

git-subtree-dir: third_party/cpp/googleapis
git-subtree-mainline: 438050b3d9
git-subtree-split: c873fd3aa1

third_party/cpp/googleapis/ci/kokoro/install/Dockerfile.opensuse-tumbleweed

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+# Copyright 2018 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM opensuse/tumbleweed:latest AS devtools
+
+## [START INSTALL.md]
+
+# Install the minimal development tools:
+
+# ```bash
+RUN zypper refresh && \
+    zypper install --allow-downgrade -y cmake gcc gcc-c++ git gzip \
+        libcurl-devel libopenssl-devel make tar wget zlib-devel
+# ```
+
+# OpenSUSE:tumbleweed provides packages for gRPC, libcurl, and protobuf, and the
+# versions of these packages are recent enough to support the Google Cloud
+# Platform proto files.
+
+# ```bash
+RUN zypper refresh && \
+    zypper install -y grpc-devel gzip libcurl-devel tar wget
+# ```
+
+FROM devtools AS install
+
+# #### googleapis
+
+# We can now compile and install `googleapis`.
+
+# ```bash
+WORKDIR /home/build/cpp-cmakefiles
+COPY . /home/build/cpp-cmakefiles
+RUN cmake -H. -Bcmake-out
+RUN cmake --build cmake-out -- -j $(nproc)
+WORKDIR /home/build/cpp-cmakefiles/cmake-out
+RUN cmake --build . --target install
+# ```
+
+## [END INSTALL.md]
+
+# Verify that the installed files are actually usable
+RUN /home/build/cpp-cmakefiles/ci/test-install/compile-test-projects.sh