Messages in this thread | | | From | Matthias Urlichs <> | Subject | Re: Announcing Binary Compatibility/Testing | Date | Fri, 15 Oct 2004 21:49:13 +0200 |
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Hi, Robert Love wrote:
> Any other incompatibility lies in libraries, but we have library > versioning. There is nothing wrong with newer libs breaking > compatibility so long as they have a different soname.
Glibc doesn't use library versioning. It uses *symbol* versioning.
Thus, for some library entry points you now see multiple symbols with the same name but different versions (ancient vs. old vs. new "struct stat", 16- vs. 32-bit UID, whatever). As long as the header files you compile against match the library you link to, it all works transparently.
For the library's user, that is. The author's job is harder...
-- Matthias Urlichs | {M:U} IT Design @ m-u-it.de | smurf@smurf.noris.de
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