lwip/contrib/ports/unix/lib/README

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This directory contains an example of how to compile lwIP as a shared library
on Linux.
Some brief instructions:
* Compile the code:
> mkdir build
> cd build
> cmake ..
> make clean all
This should produce liblwip.so. This is the shared library.
* Link an application against the shared library
If you're using gcc you can do this by including -llwip in your link command.
* Run your application
Ensure that LD_LIBRARY_PATH includes the directory that contains liblwip.so
(ie. this directory)
If you are unsure about shared libraries and libraries on linux in
general, you might find this HOWTO useful:
<http://www.tldp.org/HOWTO/Program-Library-HOWTO/>