if HAVE_LIBLTTNG_UST_CTL
liblttng_sessiond_common_la_SOURCES += trace-ust.cpp ust-registry.cpp ust-app.cpp \
ust-consumer.cpp ust-consumer.hpp notify-apps.cpp \
- ust-metadata.cpp ust-clock.hpp agent-thread.cpp agent-thread.hpp \
+ ust-metadata.cpp ust-clock.hpp ust-clock.cpp \
+ agent-thread.cpp agent-thread.hpp \
ust-field-utils.hpp ust-field-utils.cpp \
ust-sigbus.cpp \
ust-registry-session.cpp \