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.