2007-02-12 19:50:12

�� /Alt Linux / Sisyphus / devel / Up Stream / Under Over Link Problems �� 2007-02-12 19:50:12 � 2007-02-13 02:14:23

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Underlinking is the situation when ELF shared library contains unresolved symbols. Underlinking causes the following problems:

Full link is performed by the final binary linking. At this stage all the knowledge about compatible versions of libraries and their symbol versioning is already lost, so it may result in runtime errors, when binary links incompatible versions of libraries or libraries with incompatible symbol versioning.

Overlinking is linking ELF shared library or binary with the libraries which are not used directly by the library/binary itself. The problems of overlinking:

Dependencies to the different versions of the same library in the resulting binary may result in loading several versions of the same library simultaneously which may cause runtime errors.
Libraries providing wrong pkg-config or /usr/bin/*-config files.

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Underlinking is the situation when shared library contains unresolved symbols. Underlinking causes the following problems:

Full link is performed by the final binary linking. At this stage all the knowledge about compatible versions of libraries is already lost, so it may result in runtime errors, when binary links incompatible versions of libraries.
Symbol versioning does not work with underlinked binaries.

Overlinking is linking shared library or binary with the libraries which are not used directly by the library/binary itself. The problems of overlinking:

Dependencies to the different versions of the same library in the resulting binary may result in loading several versions of the same library simultaneously which will cause runtime errors.
Libraries providing wrong pkg-config files.

2007-02-12 19:24:20

�� /Alt Linux / Sisyphus / devel / Up Stream / Under Over Link Problems �� 2007-02-12 19:24:20 � 2007-02-12 19:29:56

��:

Underlinking is the situation when shared library contains unresolved symbols. Underlinking causes the following problems:

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Underlinking is the situation when shared library contains unresolved symbols. The problems of underlinking are:

FreeSource - AltLinux/Sisyphus/devel/UpStream/UnderOverLinkProblems

2007-02-13 02:14:23

2007-02-12 19:50:12

2007-02-12 19:29:56

2007-02-12 19:24:20