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Project Build Configurations Question [message #1849922]

Tue, 08 February 2022 15:11

Erik Sanabria

Messages: 1
Registered: February 2016

Junior Member

Hello,

I have a medium sized C++ Linux project with a couple of Classes which are currently building staticly and all integrated in the same executable.
I am using Eclipse Managed Build on Ubuntu 20.04 64-bits version Eclipse IDE for C/C++ Developers (includes Incubating components) Version: 2021-12 (4.22.0)

I want to be able to configure my project to compile each Class to it's own shared library so it is dynamicaly linked with the main executable to reduce it's size.

How can I go about this?

Thank you so much,
Erik

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Re: Project Build Configurations Question [message #1849941 is a reply to message #1849922]

Wed, 09 February 2022 09:29

Tauno Voipio

Messages: 742
Registered: August 2014

Senior Member

There is nothing to win if the classes are not going to be used with other executables.

A dynamic library is actually a specially-formatted executable with externally visible linkages to entry points. It needs to be compiled differently compared to a normal executable, to get position-independence needed for sharing. The position-independence needs some expansion of the code.

The total size of your excutable and the shared-library classes will be more than the monolithic statically-linked program.

--

Tauno Voipio

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