Source
--- src/auth/basic/NIS/nis_support.cc.orig 2018-07-02 13:26:07.000000000 +1000
+++ src/auth/basic/NIS/nis_support.cc 2018-07-22 14:15:33.000000000 +1000
#include <rpc/rpc.h>
#endif
-#if _SQUID_FREEBSD_ && !defined(BOOL_DEFINED)
+#ifndef BOOL_DEFINED
// BUG: FreeBSD rpcsvc/yp_* headers try to redefine bool unless we match their non-standard hack.
#define BOOL_DEFINED
#endif