Make sure that you have the path to your include files set correctly in the project definition. If MPLAB can't find the include files, it makes everything. I had the same trouble. This tip originally came from someone from Microchip who only occassionally pipes up. It has literally saved me hours watching the monitor... Regards, Jim Ham At 10:05 PM 11/7/1999 -0500, you wrote: >Commrades; > >I had to break up a C program into multiple files for logistics >reasons. (I would be hanging myself from a rafter if I had to write it >in assy). When I press CTRL-F10 in MPLAB, I make all. When I press >F10, I expect to make only the files that changed. I found that both >perform the same. I change one file, they all compile. Of course, I >want to compile only the changed file and link. > >Does anyone have insight into this make issue? > >Thanks >Chris Eddy >Pioneer Microsystems, Inc. > > Jim Ham, Porcine Associates (650)326-2669 fax(650)326-1071 "http://www.porcine.com"