message: Setup zstd in build_helper
  Summary:
  Right now ubuntu build fails on folly dependency on newer zstd lib than is provided by distro.
  Adding setup_zstd to clone and build zstd, similar to other dependencies.
diff: @@ -242,6 +242,30 @@ function synch_dependency_to_commit() {
  popd
  }
  +function setup_zstd() {
  + ZSTD_DIR=$DEPS_DIR/zstd
  + ZSTD_BUILD_DIR=$DEPS_DIR/zstd/build/cmake/builddir
  + ZSTD_INSTALL_DIR=$DEPS_DIR
  + if [ ! -d "$ZSTD_DIR" ] ; then
  + echo -e "${COLOR_GREEN}[ INFO ] Cloning zstd repo ${COLOR_OFF}"
  + git clone https://github.com/facebook/zstd.git "$ZSTD_DIR"
  + fi
  +
  + echo -e "${COLOR_GREEN}Building Zstd ${COLOR_OFF}"
  + mkdir -p "$ZSTD_BUILD_DIR"
  + cd "$ZSTD_BUILD_DIR" || exit
  + cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo \
  + -DBUILD_TESTS=OFF \
  + -DCMAKE_PREFIX_PATH="$ZSTD_INSTALL_DIR" \
  + -DCMAKE_INSTALL_PREFIX="$ZSTD_INSTALL_DIR" \
  + ${CMAKE_EXTRA_ARGS[@]+"${CMAKE_EXTRA_ARGS[@]}"} \
  + ..
  + make -j "$nproc"
  + make install
  + echo -e "${COLOR_GREEN}Zstd is installed ${COLOR_OFF}"
  + cd "$BWD" || exit
  +}
  +
  function setup_folly() {
  FOLLY_DIR=$DEPS_DIR/folly
  FOLLY_BUILD_DIR=$DEPS_DIR/folly/build/
  @@ -369,6 +393,7 @@ function setup_rust() {
  detect_platform
  setup_fmt
  setup_googletest
  +setup_zstd
  setup_folly
  setup_fizz
  if [[ -n "${MVFST_ENABLE_CCP-}" ]]; then
  