Huw Davies (@huw) commented about dlls/msttsengine/Makefile.in:
+MODULE = msttsengine.dll +IMPORTS = ole32
+C_SRCS = \
- main.c \
- tts.c
+IDL_SRCS = \
- msttsengine_classes.idl
We've (very) recently switched to using `SOURCES` for all of these.