Add Kokoro bots for building using Bazel.

kokoro/linux-clang-release-bazel/build.sh

+#!/bin/bash
+# Copyright (c) 2019 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.
+#
+# Linux Build Script.
+
+# Fail on any error.
+set -e
+# Display commands being run.
+set -x
+
+CC=clang
+CXX=clang++
+SRC=$PWD/github/glslang
+cd $SRC
+
+# Bazel limitation: No 'External' directory is allowed!!
+mv External third_party
+
+gsutil cp gs://bazel/0.29.1/release/bazel-0.29.1-linux-x86_64 .
+chmod +x bazel-0.29.1-linux-x86_64
+
+echo $(date): Build everything...
+./bazel-0.29.1-linux-x86_64 build :all
+echo $(date): Build completed.
+
+echo $(date): Starting bazel test...
+./bazel-0.29.1-linux-x86_64 test :all
+echo $(date): Bazel test completed.

kokoro/linux-clang-release-bazel/continuous.cfg

+# Copyright (c) 2019 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.
+
+# Continuous build configuration.
+build_file: "glslang/kokoro/linux-clang-release-bazel/build.sh"

kokoro/linux-clang-release-bazel/presubmit.cfg

+# Copyright (c) 2019 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.
+
+# Presubmit build configuration.
+build_file: "glslang/kokoro/linux-clang-release-bazel/build.sh"

kokoro/macos-clang-release-bazel/build.sh

+#!/bin/bash
+# Copyright (c) 2019 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.
+#
+# macOS Build Script.
+
+# Fail on any error.
+set -e
+# Display commands being run.
+set -x
+
+CC=clang
+CXX=clang++
+SRC=$PWD/github/glslang
+cd $SRC
+
+# Get bazel 0.29.1.
+gsutil cp gs://bazel/0.29.1/release/bazel-0.29.1-darwin-x86_64 .
+chmod +x bazel-0.29.1-darwin-x86_64
+
+echo $(date): Build everything...
+./bazel-0.29.1-darwin-x86_64 build :all
+echo $(date): Build completed.
+
+echo $(date): Starting bazel test...
+./bazel-0.29.1-darwin-x86_64 test :all
+echo $(date): Bazel test completed.

kokoro/macos-clang-release-bazel/continuous.cfg

+# Copyright (c) 2019 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.
+
+# Continuous build configuration.
+build_file: "glslang/kokoro/macos-clang-release-bazel/build.sh"

kokoro/macos-clang-release-bazel/presubmit.cfg

+# Copyright (c) 2019 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.
+
+# Presubmit build configuration.
+build_file: "glslang/kokoro/macos-clang-release-bazel/build.sh"

kokoro/windows-msvc-2015-release-bazel/build.bat

+:: Copyright (c) 2019 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.
+::
+:: Windows Build Script.
+
+@echo on
+
+set SRC=%cd%\github\glslang
+
+:: Force usage of python 3.6
+set PATH=C:\python36;%PATH%
+cd %SRC%
+
+:: REM Install Bazel.
+wget -q https://github.com/bazelbuild/bazel/releases/download/0.29.1/bazel-0.29.1-windows-x86_64.zip
+unzip -q bazel-0.29.1-windows-x86_64.zip
+
+:: Set up MSVC
+call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" x64
+set BAZEL_VS=C:\Program Files (x86)\Microsoft Visual Studio 14.0
+set BAZEL_VC=C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC
+set BAZEL_SH=c:\tools\msys64\usr\bin\bash.exe
+set BAZEL_PYTHON=c:\tools\python2\python.exe
+
+:: #########################################
+:: Start building.
+:: #########################################
+echo "Build everything... %DATE% %TIME%"
+bazel.exe build :all
+if %ERRORLEVEL% NEQ 0 exit /b %ERRORLEVEL%
+echo "Build Completed %DATE% %TIME%"
+
+:: TODO: Currently the bazel tests fail due to issues resolving paths on Windows
+:: ##############
+:: Run the tests
+:: ##############
+:: echo "Running Tests... %DATE% %TIME%"
+:: bazel.exe test :all
+:: if %ERRORLEVEL% NEQ 0 exit /b %ERRORLEVEL%
+:: echo "Tests Completed %DATE% %TIME%"
+
+exit /b 0
+

kokoro/windows-msvc-2015-release-bazel/continuous.cfg

+# Copyright (c) 2019 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.
+
+# Continuous build configuration.
+build_file: "glslang/kokoro/windows-msvc-2015-release-bazel/build.bat"

kokoro/windows-msvc-2015-release-bazel/presubmit.cfg

+# Copyright (c) 2019 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.
+
+# Presubmit build configuration.
+build_file: "glslang/kokoro/windows-msvc-2015-release-bazel/build.bat"