if the former doesn't exist.
P3QOOZ5675KM7LMYG4C2GUMHKPDKJLXKXM5KFVD4RFAPNSEP2RYQC
ZREJ37LBWOXPYXCQGQTTOBKY3YU5C7Z6CL7Q26LROMHD7OQ4MMTQC
K2CS6TCX2NDVL2ASEHGP4J4K4IJ6FP3ANNKTSIWVG43HPYSBX6ZQC
if [ -f source/build.h ]; then trueelse source/util/gen_ver.pl source/build.hfi
if [ -f source/build.h ]; then
true
else
source/util/gen_ver.pl source/build.h
fi