struct cgc_siginfo build error

[fatalfeel]

In file included from cgc64-x86-64.c:40:0:
hosts/x86-64linux.h:142:24: error: field ‘pr_info’ has incomplete type
struct cgc_siginfo pr_info; /* Info associated with signal. /
^
hosts/x86-64linux.h:160:24: error: field ‘pr_info’ has incomplete type
struct cgc_siginfo pr_info; / Info associated with signal. /
^
hosts/x86-64linux.h:178:24: error: field ‘pr_info’ has incomplete type
struct cgc_siginfo pr_info; / Info associated with signal. /
^
hosts/x86-64linux.h:206:20: error: ‘CGC_PRARGSZ’ undeclared here (not in a function)
char pr_psargs[CGC_PRARGSZ]; / Initial part of arg list. */