Makefile: use apt instead of apt-get when available

1 files changed, 3 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 5d16a5a..754444b 100644
--- a/Makefile
+++ b/Makefile
@@ -246,9 +246,11 @@ apt_list_files = $(addprefix /./var/lib/apt/lists/, \
 
 stale = [ ! -e $@ ] || [ $$(( $$(date +%s) - $$(date -r $@ +%s) )) -gt 36000 ]
 
+apt = $(shell which apt || which apt-get)
+
 .PHONY: apt-get-update-stamp
 apt-get-update-stamp:
-        @if $(stale); then set -x; sudo apt-get update && touch $@; fi
+        @if $(stale); then set -x; sudo $(apt) update && touch $@; fi
 
 samizdat.iso: patched.iso
         cp --reflink $< $@