I'm trying to write an SSH client for the iPhone, and I'd like to use the libssh2 open source library to do so. It's written in C.
How should I include this C library for my iPhone app? Should I compile it into some binary that I include into the my app, or do I add all the source to my project and try to compile it along with the rest of my app?
I'm interpretting this question as:
"Should I compile the C library code once, and include the binary library in my project? Or should I include all the source and compile it every time I build my app?"
It depends. One of the projects I work one depends on several external libraries. Basically, we have a simple rule:
Do you think you will need to change code in the C library often?
Depending on the size of the library, you may want to set it up as a distinct target in your project, or for even more flexibility, as a sub-project of your main project.
If I was in your place, I would build libssh2 ahead of time and just include the binary library in my iPhone project. I would still keep the libssh2 source around, of course, in case it does need to be re-built down the road.
The Three20 iPhone library has a great howto on adding their library to your xcode project. Give that a shot.
I have an iPhone app that is 90% c. I have had no problem adding 3rd party sources to my project and compiling. I am using Lua, zLib, and libpng with no modifications. I've also included standard libraries like unistd and libgen and they just work™
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