undeclared identifier 'SIGCLD' on OSX El Captain

[Grabber]

issue

prism.c:178:12: error: use of undeclared identifier 'SIGCLD'
signal(SIGCLD, SIG_IGN); //Prevent child process from becoming zombie process

patch

#ifndef SIGCLD
#   define SIGCLD SIGCHLD
#endif

gcc -Wall -o prism prism.c

[qqqqpppp]

same with me... did you sovled it?

[Grabber]

@qqqqpppp, add the patch.

#ifndef SIGCLD
#   define SIGCLD SIGCHLD
#endif