mirror of https://github.com/mkerrisk/man-pages
ld.so.8: Expand DT_RUNPATH details.
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. Signed-off-by: Carlos O'Donell <carlos@redhat.com> Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -68,7 +68,11 @@ in which case it is ignored.
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.IP o
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Using the directories specified in the
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DT_RUNPATH dynamic section attribute
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of the binary if present.
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of the binary if present. Such directories are only searched to
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find those objects required by DT_NEEDED (direct dependencies) entries
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and do not apply to those object's children who must themselves have
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their own DT_RUNPATH entries. This is unlike DT_RPATH which is applied
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to searches for all children in the dependency tree.
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.IP o
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From the cache file
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.IR /etc/ld.so.cache ,
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