grep 3.8 deprecated support for egrep + fgrep, and now prints a warning on stderr:
| egrep: warning: egrep is obsolescent; using grep -E
| fgrep: warning: fgrep is obsolescent; using grep -F
override_dh_auto_build:
dh_testdir
- egrep -q '^PROG_VERSION = "\*\*\*UNKNOWN\*\*\*"' grml2usb || (echo "PROG_VERSION in grml2usb wrong." && exit 2)
+ grep -qE '^PROG_VERSION = "\*\*\*UNKNOWN\*\*\*"' grml2usb || (echo "PROG_VERSION in grml2usb wrong." && exit 2)
$(MAKE) -C mbr
$(MAKE)