DF-0780 build log (evil_daemon, on guest as maxx)
=================================================
$ cd poc/DF-0780 && sh build.sh

evil_daemon.c: In function 'main':
evil_daemon.c:370:5: warning: implicit declaration of function 'waitpid'; did you mean 'getpid'? [-Wimplicit-function-declaration]
     waitpid(pid, &status, 0);
     ^~~~~~~
     getpid
BUILD_OK evil_daemon
-rwxr-xr-x  1 maxx  maxx  18408 Jul  8 09:56 evil_daemon

(The waitpid warning is cosmetic; <sys/wait.h> not included. Build exits 0.)