else fails you can use the value of NOFILE in <sys/param.h>.
Also, some operating systems have a broken implementation of POSIX
-saved IDs. If sudo prints the error message "seteuid(0): Operation
-not permitted" this means saved IDs are not implemented properly.
-You should run configure with the "--disable-saved-ids" option and
-rebuild sudo.
+saved IDs. If sudo prints the error message "seteuid(0) failed,
+your operating system may have broken POSIX saved ID support" this
+means saved IDs are not implemented properly. You should run
+configure with the "--disable-saved-ids" option and rebuild sudo.
Sudo tries to clear the environment of dangerous environment variables
such as LD_* to prevent shared library spoofing. If you are porting