compilation failed

[slavamas]

compilation failed as src/coucal directory is empty

proxy/proxytrack.c:132:10: fatal error: coucal.h: No such file or directory
132 | #include "coucal.h"
| ^~~~~~~~~~
compilation terminated.
make[2]: *** [Makefile:1152: proxy/proxytrack-proxytrack.o] Error 1
make[2]: Leaving directory '/home/sm/working/crawler/HTTTrack/src'
make[1]: *** [Makefile:423: all-recursive] Error 1
make[1]: Leaving directory '/home/sm/working/crawler/HTTTrack'
make: *** [Makefile:355: all] Error 2