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Proposal: Deprecate static dlopen

See this thread for some background:

The only useful application for dlopen is access to NSS functionality because static dlopen binaries are more tightly tied to a specific glibc version than dynamically linked binaries. If we provide NSS access through a helper program (e.g., a special mode of getent), then the need for dlopen goes away, and static linking even becomes more usable.

commit f70309a186e5ab045c9808ff10ca9ba5eb9f6b58
Author: Florian Weimer <>
Date:   Fri Dec 22 14:03:00 2017 +0100

    NEWS: Deprecate static dlopen

diff --git a/NEWS b/NEWS
index 0a162f6643..d8e4c890c3 100644
--- a/NEWS
+++ b/NEWS
@@ -71,6 +71,10 @@ Major new features:
 Deprecated and removed features, and other changes affecting compatibility:
+* Support for statically linked applications which call dlopen is deprecated
+  and will be removed in a future version of glibc.  Applications which call
+  dlopen need to be linked dynamically instead.
 * Support for old programs which use internal stdio data structures and
   functions is deprecated.  This includes programs which use the C++ streams
   provided by libstdc++ in GCC 2.95.  Programs which use the internal

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