message: Do not attempt to install already installed packages in brew
diff: @@ -289,7 +289,7 @@ install: |-
  if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
  sudo apt-get install -y build-essential cmake perl libdbi-perl libdbd-odbc-perl python python-pyodbc
  elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
  - brew install cmake perl python
  + # brew install cmake perl python
  PERL_MM_USE_DEFAULT=1 cpan -T DBD::ODBC
  if [[ "$ODBC_PROVIDER" == "UnixODBC" ]]; then
  pip3 install --user pyodbc
  