RTLD_DEEPBIND

[Ulrich Drepper]

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I just committed a set of patches implementing an often requested
feature.  If dlopen is used with this flag, the objects thusly loaded
get a lookup scope which has the scope of the loader before the global
scope.  I.e., if the objects are self-contained they will not use the
global scope.  This can be used to work around problems of morons who
cannot keep ABIs stable and have the same symbol name in different DSOs.

Only lightly tested (see the new tests) but I think the code is OK.

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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