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can anybody explain what are these packages that have extension (.a) that we may add it sometimes to xcode:
1) what exactly are those packages ?
2) how do they differ from other packages that have (.framework) extension ?
3) can I customize/change the code inside the (.a) package ?
thank you so much in advance.
They are a static library (or archive) generated by
ar. It contains one or more.oobject files, which contain compiled code and symbols needed for linking.A
.frameworkcontains both header files (.h) specifying the interface, along with a.dylib(a shared library).A static library is already compiled into machine code – it is not easy to modify code in it. Unlike a shared library, a static library is designed to be linked by the linker – the object code will literally be copied into the destination file, whereas a shared library requires that it is present at runtime since only references are made.