* config/globsh.mk
+ 'FALSE' variable set for 'nt' shells.
* 'FALSE' variable set to a dummy value ($(TRUE)) for 'dos' and 'os2' shells.
* config/wce/mingwarm.mk
* config/win/mingw.mk
* config/win/cygwin.mk
! Fixed to fail after deleting the library on 'ar' failure.