[build] Use SOURCE_DATE_EPOCH for .iso timestamps if it exists

Originally-implemented-by: Bernhard M. Wiedemann <bwiedemann@suse.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
1 file changed
tree: a82dd5c3d4f8e60a41a478a22c85c6a8fd9a465a
  1. .github/
  2. contrib/
  3. src/
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README