|  | #!/usr/bin/env bash | 
|  | # Copyright 2017 Google Inc. | 
|  | # All Rights Reserved. | 
|  | # | 
|  | # | 
|  | # Redistribution and use in source and binary forms, with or without | 
|  | # modification, are permitted provided that the following conditions are | 
|  | # met: | 
|  | # | 
|  | #     * Redistributions of source code must retain the above copyright | 
|  | # notice, this list of conditions and the following disclaimer. | 
|  | #     * Redistributions in binary form must reproduce the above | 
|  | # copyright notice, this list of conditions and the following disclaimer | 
|  | # in the documentation and/or other materials provided with the | 
|  | # distribution. | 
|  | #     * Neither the name of Google Inc. nor the names of its | 
|  | # contributors may be used to endorse or promote products derived from | 
|  | # this software without specific prior written permission. | 
|  | # | 
|  | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
|  | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
|  | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | # | 
|  | # This file should be sourced, and not executed as a standalone script. | 
|  | # | 
|  |  | 
|  | # TODO() - we can check if this is being sourced using $BASH_VERSION and $BASH_SOURCE[0] != ${0}. | 
|  | # | 
|  |  | 
|  | if [ "${TRAVIS_OS_NAME}" = "osx" ]; then | 
|  | if [ "$CXX" = "clang++" ]; then | 
|  | # $PATH needs to be adjusted because the llvm tap doesn't install the | 
|  | # package to /usr/local/bin, etc, like the gcc tap does. | 
|  | # See: https://github.com/Homebrew/legacy-homebrew/issues/29733 | 
|  | clang_version=3.9 | 
|  | export PATH="/usr/local/opt/llvm@${clang_version}/bin:$PATH"; | 
|  | fi | 
|  | fi |