message: Following instructions from travis output.
diff: @@ -25,15 +25,14 @@ before_install:
  - |
  mkdir ext && cd ext
  if [ "$TRAVIS_OS_NAME" == "osx" ]; then
  - DEPS="git automake libtool boost openssl llvm@4 gmp wget cmake gettext"
  - brew update
  - brew install --force $DEPS
  - brew unlink $DEPS && brew link --force $DEPS
  + brew install boost openssl llvm@4 gmp gettext ninja mongodb mongo-c-driver
  + brew link gettext --force
  brew services start mongodb
  WASM_BRANCH=macos
  export CC=/usr/local/opt/llvm@4/bin/clang
  export CXX=/usr/local/opt/llvm@4/bin/clang++
  export LLVM_DIR=/usr/local/opt/llvm@4/lib/cmake/llvm
  + export LDFLAGS="-L/usr/local/opt/llvm@4/lib"
  MONGOCXX_CMAKE_OPTIONS="-DLIBBSON_DIR=/usr/local -DLIBMONGOC_DIR=/usr/local"
  EOS_CMAKE_OPTIONS="-DOPENSSL_ROOT_DIR=/usr/local/opt/openssl"
  else
  