There are various IDEs that run as desktop applications and there are few other compilers that can be accessed online too. This entire compilation process consisting of three steps is carried out with a click of a button in the case of IDEs. The Compilation Process can be summarized using the below diagram. In the end, the program will be executed successfully. Linking: The libraries and external functions used by the program are linked to the object file in the linking process.
Compile: The preprocessed file is then compiled to generate an object file with an extension “.o”.Similarly, macros or inline functions are preprocessed and their code is replaced at a place where they are called. Preprocessing: Here the include files referenced by the source CPP file are used and the code is replaced in the source files.The compilation of the C++ program includes 3 steps: Apart from this, external libraries or files are linked to C++ program using the directive.
A C++ program consists of a header file (.h) and a source file (.cpp).
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