Tag Archives: C90

The C build process

Technical Consultant at Feabhas Ltd
Glennan is an embedded systems and software engineer with over 20 years experience, mostly in high-integrity systems for the defence and aerospace industry.

He specialises in C++, UML, software modelling, Systems Engineering and process development.
Glennan Carnie

In this article we look at the C build process – that is, how we get from C source files to executable code, programmed on the target.  It wasn’t so long ago this was common knowledge (the halcyon days of the hand-crafted make file!) but modern IDEs are making this knowledge ever-more arcane.


The first stage of the build process is compilation.

The compiler is responsible for allocating memory for definitions (static and automatic) and generating opcodes from program statements. A relocatable […]

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Declarations and Definitions in C

Director at Feabhas Limited
Co-Founder and Director of Feabhas since 1995.
Niall has been designing and programming embedded systems for over 30 years. He has worked in different sectors, including aerospace, telecomms, government and banking.
His current interest lie in IoT Security and Agile for Embedded Systems.
Niall Cooling


Please Note: This post is focusing on pre-C99. The reason being is that it is aimed at the embedded C programmer who tends to be working with pre-C99 based cross-compilers. Also I have split it into two as it became my larger, due to feedback, than first anticipated.

On the surface declarations and definitions in C are pretty straight-forward; but once we start introducing the concepts of scope, storage-duration, linkage and namespace life is not so simple.


Program Objects (Variables)

Let’s start with […]

Posted in C/C++ Programming | Tagged , , , , | 3 Comments