I’ve checked the files but it seems all right. There is no new line at the end of the file but I don’t think this should be the problem.
I’ve also tried to compile in a fresh new folder and new git clone on a ext4 disk but got the same result.
The fact is that errors are always the same but at different point/file each time I recompile.
It seems… random.
I suppose I’ll stick with 4.25 for now and come back to try again when a new version will be released.
Thank you for your time and patience Michael.