On 06/29/2017 06:21 PM, Carlos O'Donell wrote: > ld.so.8: Expand DT_RUNPATH details. > > Every 3 years we get asked why DT_RUNPATH doesn't work like DT_RPATH. > The most recent question was here: > https://www.sourceware.org/ml/libc-help/2017-06/msg00013.html > > We need to expand the description of DT_RUNPATH to cover this situation > and explain that the DT_RUNPATH entries apply only to the immediate > DT_NEEDED, not that of another, say dlopen'd child object. > > Applies to master. Thanks, Carlos. Applied. Cheers, Michael > Signed-off-by: Carlos O'Donell <carlos@xxxxxxxxxx> > --- > diff --git a/man8/ld.so.8 b/man8/ld.so.8 > index 89965a1..e9e320d 100644 > --- a/man8/ld.so.8 > +++ b/man8/ld.so.8 > @@ -68,7 +68,11 @@ in which case it is ignored. > .IP o > Using the directories specified in the > DT_RUNPATH dynamic section attribute > -of the binary if present. > +of the binary if present. Such directories are only searched to > +find those objects required by DT_NEEDED (direct dependencies) entries > +and do not apply to those object's children who must themselves have > +their own DT_RUNPATH entries. This is unlike DT_RPATH which is applied > +to searches for all children in the dependency tree. > .IP o > From the cache file > .IR /etc/ld.so.cache , > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
