Makefile

   1 a.out: foo.c
   2         gcc foo.c
   3         ./a.out |head -c31457280 |diff -s - full-orig.pcm
   4         # NOTE: starts to diverge after 33423360 bytes
   5         git add foo.c
   6         git commit -m "new version"
   7
   8 .PHONY: test
   9 test:
  10         gcc foo.c
  11         ./a.out |head -c31457280 |diff -s - full-orig.pcm