# DLL problems, episode 2

**URL:** <https://discourse.julialang.org/t/dll-problems-episode-2/12405>\
**Category:** General Usage\
**Tags:** ffi\
**Created:** [July 16, 2018, 3:11am UTC](https://discourse.julialang.org/t/dll-problems-episode-2/12405 "2018-07-16T03:11:22Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [July 16, 2018, 10:03pm UTC](https://discourse.julialang.org/t/dll-problems-episode-2/12405/12 "2018-07-16T22:03:25Z")

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> [@Ralph\_Smith](#):
>
> This is especially likely under v0.7 because FFI packages are adopting a new binary builder infrastructure including such libraries.

With BinaryBuilder each library can incorporate its own “private” copy of libz if needed that does not affect other libraries or use the system libz at all…

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_[View the full topic](https://discourse.julialang.org/t/dll-problems-episode-2/12405)._