* config/darwin/install.cf
* config/hpux/install.cf
* config/dos/install.cf
* config/install.cf
* config/win/install.cf
* config/linux/install.cf
* config/os2/install.cf
* config/sunos/install.cf
* config/bsd/install.cf
* config/wce/install.cf
* Little tweak to install rules to allow multiline rules
on non-bash shells.
Maybe there is another way, but couldn't find it.
; This is a step towards moving install dir creation to
GNU Make level.
b3ed7c67f0