Make the build reproducible
Whilst working on the Reproducible Builds effort [0], we noticed that osinfo-db could not be built reproducibly. This commit uses the SOURCE_DATE_EPOCH [1] environment variable where available to avoid embedded timestamps.
[0] https://reproducible-builds.org/ [1] https://reproducible-builds.org/specs/source-date-epoch/
Signed-off-by: Chris Lamb chris@chris-lamb.co.uk