FLICKER_FREE_BOOT and rebuild debian package

[kapouer]

For those around here knowing how to properly rebuild a debian package,
it's worth knowing that inserting in debian/rules

FLICKER_FREE_BOOT := yes

before

ifeq ($(FLICKER_FREE_BOOT),yes)

will achieve a better result.

[benintech]

Which package did you rebuilt ? grub-efi-amd64 ? grub2-common ?

[kapouer]

Probably more than just grub2-common, since it enables those flags:

DEFAULT_HIDDEN_TIMEOUT := 0
DEFAULT_HIDDEN_TIMEOUT_BOOL := true
confflags += \
  --enable-quiet-boot \
  --enable-quick-boot \
  --enable-gfxpayload-dynamic \
  --enable-vt-handoff