/usr/share/doc/why/examples/Makefile is in why-examples 2.34-4ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21  | DIRS = misc binary-search bresenham quicksort edit-distance heapsort sqrt kmp \
       selectionsort find quicksort2 maximumsort algo-63-64-65 dijkstra \
       mergesort queens
check: 
	for d in $(DIRS); do make -C $$d check; done
all: 
	for d in $(DIRS); do make -C $$d; done
simplify:
	for d in $(DIRS); do make -C $$d simplify; done
ergo:
	for d in $(DIRS); do make -C $$d ergo; done
clean::
	rm -f */*~ */*.vo
depend::
	for d in $(DIRS); do make -C $$d depend; done
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