http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52223
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2012-02-13
Target Milestone|--- |4.5.4
Summary|[4.5,4.6,4.7 regression] |[4.5/4.6/4.7 Regression]
|libffi's man page install |libffi's man page install
|breaks with multilibs and |breaks with multilibs and
|overridden mandir |overridden mandir
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-13
11:17:21 UTC ---
I think you should always use DESTDIR instead of setting prefix or mandir
at install time.