[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 25e4f4: config.h cannot work after linux features.h

[Tobias Pape]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 25e4f4a834e6203d59f668d565e2b4d97d08bb65
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/25e4f4a834e6203d59f668d565e2b4d97d08bb65
  Author: Tobias Pape <tobias at netshed.de>
  Date:   2021-03-25 (Thu, 25 Mar 2021)

  Changed paths:
    M platforms/unix/config/config.h.in
    M platforms/unix/config/configure.ac

  Log Message:
  -----------
  config.h cannot work after linux features.h

Bail if that's the case