"Caleb Cittadino" <caleb.cittadino@xxxxxxxxx> writes: > Strangely, when I use -frandom-seed I get a bigger set of differing > data between the resulting library files. I checked the documentation > for gcc and it states this options is used to "produce reproducibly > identical object files." So I assume this will only work on .o files? Wait: are you comparing .o or .a files? .a files will always have lots of differences, because the .a file includes a timestamp. You should be able to compare the .o files reliably. Ian