===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/sudo/Attic/PORTING,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- src/usr.bin/sudo/Attic/PORTING	2002/01/03 03:49:16	1.2
+++ src/usr.bin/sudo/Attic/PORTING	2002/01/16 18:09:13	1.3
@@ -21,6 +21,12 @@
 ulimit(2) or getrlimit(2) can also be used on some OS's.  If all
 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.
+
 Sudo tries to clear the environment of dangerous environment variables
 such as LD_* to prevent shared library spoofing.  If you are porting
 sudo to a new OS that has shared libraries you'll want to mask out