Re: failing CI builds

[Werner LEMBERG]

>> When comparing the build artifacts, I noticed that the output files
>> in mf/ are not reproducible. I'm not sure if that is related,
> 
> Unlikely.  For unknown reasons metapost is dumping the current time
> in its log output [...]

AFAIK, Metafont and Metapost (among many other TeXLive binaries)
support the `SOURCE_DATE_EPOCH` environment variable to allow
reproducible builds.  I suggest that we set this variable.


    Werner