xfce4-13.libxfce4util broken on latest unstable: ‘You must have "autoconf" installed on your system.’

[Twey]

Issue description

$ nix-build '<nixpkgs>' -A xfce4-13.libxfce4util

building '/nix/store/n8j7i2lm2mmfp3zvbcxi829kl6qp9mz4-libxfce4util-4.13.1.drv'...
unpacking sources
unpacking source archive /nix/store/n6d5wziwsxl6lkgdqilfx0z0zdgj86s6-libxfce4util
source root is libxfce4util
patching sources
xdtAutogenPhase
xdt-autogen: You must have "autoconf" installed on your system.
             Download the appropriate package for your distribution,
             or get the source tarball at ftp://ftp.gnu.org/pub/gnu/.
builder for '/nix/store/n8j7i2lm2mmfp3zvbcxi829kl6qp9mz4-libxfce4util-4.13.1.drv' failed with exit code 1

Steps to reproduce

Try to build xfce4-13.libxfce4util.

Technical details

 - system: `"x86_64-linux"`
 - host os: `Linux 4.9.86, NixOS, 18.09pre133621.56fb68dcef4 (Jellyfish)`
 - multi-user?: `yes`
 - sandbox: `no`
 - version: `nix-env (Nix) 2.0`
 - channels(root): `"nixos-18.09pre133621.56fb68dcef4"`
 - channels(twey): `""`
 - nixpkgs: `/nix/var/nix/profiles/per-user/root/channels/nixos/nixpkgs`

[lukateras]

Looking into it.

[lukateras]

propagatedNativeBuildInputs seems to be broken, when I replace that with propagatedBuildInputs in xfce4-dev-tools derivation, everything builds again.