[CMake] How to make FILE() append to the list of files?

[Bill Hoffman]

Robert Dailey wrote:
> Hi,
> 
> I have about 20 directories that contain source files. However, the 
> FILE() call I make to each directory will have a different glob 
> expression. I need to be able to do FILE( GLOB ..... ) about 20 times 
> and each time have it append to the existing variable I give it. Is this 
> possible? What would be the recommended way of accumulating a list of 
> files in all 20 directories?
> 

find . -name "*.c" > source_files.txt
edit source_files.txt and put that list of files exiplicitly into a 
CMakeLists.txt file.

file(GLOB is a bad way to get source lists for CMake.   CMake has no way 
of knowing when new files have been put in the directory.

-Bill