#17682: Generic filename extension for shared libraries
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Reporter: gouezel | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.5
Component: porting: Cygwin | Resolution:
Keywords: | Merged in:
Authors: Sebastien Gouezel | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/gouezel/dll_extension | db7df5c13b7c57272f0cc262c89d80a632c878ef
Dependencies: | Stopgaps:
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Comment (by jdemeyer):
Replying to [comment:9 gouezel]:
> There is yet another difference on MacOS, where the extension for shared
libraries can be `.so` or `.dylib` -- this means that, in this case, there
is no universal possible choice
It's more subtle than that. On OS X, both `.so` and `.dylib` exist but
with a different purpose: `.so` is meant for "loadable modules" to be
opened at runtime by some `dlopen()` mechanism, which `.dylib` is for
dynamic linking of libraries (linking done when a program a started). For
example, Cython extensions would use `.so` but the libraries in
`$SAGE_LOCAL/lib` would use `.dylib`.
On Linux, this difference simply doesn't exist.
--
Ticket URL: <http://trac.sagemath.org/ticket/17682#comment:10>
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