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In mikroBasic PRO for AVR, each project consists of a single project file and one or
more module files. The project file, with extension 

.mbpav

contains information on

the project, while modules, with extension 

.mbas

, contain the actual source code.

See Program Organization for a detailed look at module arrangement.

Modules allow you to:

- break large programs into encapsulated modules that can be edited separately, 
- create libraries that can be used in different projects, 
- distribute libraries to other developers without disclosing the source code. 

Each module is stored in its own file and compiled separately; compiled modules are
linked to create an application. To build a project, the compiler needs either a source
file or a compiled module file for each module.

mikroBasic PRO for AVR includes modules by means of the include clause. It con-
sists of the reserved word include, followed by a quoted module name. Extension of
the file should not be included.

You can include one file per include clause. There can be any number of the include
clauses in each source file, but they all must be stated immediately after the pro-
gram (or module) name.

Here’s an example:

program MyProgram

include "utils"
include "strings"
include "MyUnit"

...

For the given module name, the compiler will check for the presence of .mcl and
.mbas files, in order specified by search paths.

- If both 

.mbas

and 

.mcl

files are found, the compiler will check their dates and 

include the newer one in the project. If the 

.mbas

file is newer than the 

.mcl

, then  

.mbas

file will be recompiled and new 

.mcl

will be created, overwriting the old 

.mcl

. 

- If only the 

.mbas

file is found, the compiler will create the 

.mcl

file and include it in 

the project; 

- If only the 

.mcl

file is present, i.e. no source code is available, the compiler will 

include it as found; 

- If none of the files found, the compiler will issue a “File not found” warning. 

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- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 5