[Nix-dev] Would this be usefule to have in a global place?

[Marc Weber]

  if [ -z ${system##*cygwin*} ]; then
    PATH_DELEMITER=;
  else
    PATH_DELEMITER=;
  fi

?
Then you will only need one lines..
setupHook=PHP_INCLUDES${PHP_INCLUDES:+;}$target
At leat PHP and haskell packages could use this to construct env
variables

Marc