Missing clockwork

[Hal Murray]

Anybody recognize this?  I've seen a missing file once before.  I think it was 
clockwork.??

It works if I try it again.

Waf: Entering directory `/home/murray/ntpsec/raw/test-all/main'
--- PYTHONPATH is not set, loading the Python ntp library may be troublesome 
---
[  1/137] Compiling libntp/clockwork.c
[  2/137] Compiling libaes_siv/aes_siv.c
[  3/137] Compiling libntp/clockwork.c
[  4/137] Compiling libntp/clockwork.c
[  5/137] Compiling libntp/ntp_endian.c
[  6/137] Compiling libntp/macencrypt.c
[  7/137] Compiling libntp/isc_net.c
[  8/137] Compiling libntp/isc_interfaceiter.c
[  9/137] Compiling libntp/initnetwork.c
[ 10/137] Compiling libntp/getopt.c
[ 11/137] Compiling libntp/timespecops.c
Waf: Leaving directory `/home/murray/ntpsec/raw/test-all/main'
Build failed
-> missing file: '/home/murray/ntpsec/raw/test-all/main/libntp/clockwork.c.1.o'


[murray at hgm raw]$ find . -name clockwork*
./test-all/main/libntp/clockwork.c.1.o
./test-minimal/main/libntp/clockwork.c.1.o
./test-minimal/main/libntp/clockwork.c.2.o
./test-classic/main/libntp/clockwork.c.1.o
./test-classic/main/libntp/clockwork.c.2.o
./test-doc/main/libntp/clockwork.c.1.o
./test-doc/main/libntp/clockwork.c.2.o
./libntp/clockwork.c
./hgm/main/libntp/clockwork.c.1.o
./hgm/main/libntp/clockwork.c.2.o
./test-default/main/libntp/clockwork.c.1.o
./test-default/main/libntp/clockwork.c.2.o


-- 
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