The truth is that many companies still use compiled languages like C and C++. This ends in several developers (some of them absolutely remarkable) that keep losing time to understand how to fix an "undefined symbol" error.
An Overview
Operating diagram of a C compiler |
A C compiler (such as GCC) is made of three logical blocks: the preprocessor, the compiler properly so called and the linker. Each block performs a set of specific tasks and produces an output for the next block but for performances reasons, usually the first two are implemented together.
Just as a side note, the first C++ compilers were implemented as preprocessors for C compilers.
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