Using Relative Path in MPLAB IDE

Question

My project structure and files are as follows:

project\HAL\hw_lcd.h
project\HAL\hw_lcd.c
project\project\app.c
project\project\workspace.mcp
project\project\workspace.mcw

Where 'project' is a place holder for project name. I'm using MPLAB IDE 8.66 and HI-TECH Compiler 9.81.

I'd like to add hw_lcd.h/c files using relative path to the project. So that if I write #include "HAL/hw_lcd.h" in app.c, then hw_lcd.h will be found from app.c.

I added ../ as include search path (project > build options... > project > directories and search path > include search path) but got following error:

can't open include file "hw_lcd.h": No such file or directory

Then I tried ../HAL as include search path and written #include "hw_lcd.h" in app.c. This also generates the above error.

Is it possible to use relative search path from within MPLAB IDE?

If the #include path itself is relative, then it works:

#include "../HAL/hw_lcd.h"

Marco van de Voort · Accepted Answer · 2011-04-06 14:36:05Z

0

Not entirely the same, but I always use

            #include "hw_lcd.h"

and then add the header to the project, and in the "add" dialog I select "this file is for this project, use relative path" or something similar.

This works fine. (but has the trouble that if paths (e.g. HAL) change, you need to walk over them, and change them all)

answered Apr 6, 2011 at 14:36

Marco van de Voort

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8 Comments

Donotalo Over a year ago

Most likely the absolute path to the directory that contains the file is added in "Include Search Path" from "Build Options" for your project.

Marco van de Voort Over a year ago

It isn't. It is only one level down from the project dir though. And never let the IDE choose automatic, always "use relative". Not unlike yours, just that it is called INCLUDE16 instead of HAL.

Donotalo Over a year ago

Your case it is down. For me it is up from project level.

Marco van de Voort Over a year ago

It's ..\include16 relative to the project dir. So up.

Donotalo Over a year ago

You mean ..\include16 is added to the include search path?

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