make it clear that /etc/pam.d/sudo is required on linux

diff --git a/INSTALL b/INSTALL
index a80ff09ea1e4a85b213541fc449ebadae7b18586..f8e755f42dafc75fab1739e8db924a256406dd30 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -159,7 +159,11 @@ Special features/options:
        on the machine.
 
   --with-pam
-       Enable PAM support.  Tested on Redhat Linux 5.x and Solaris 2.6.
+       Enable PAM support.  Tested on Redhat Linux 5.x, 6.0 and
+       Solaris 2.6, 7.
+       NOTE: on RedHat Linux (and perhaps others) you *must* install
+       an /etc/pam.d/sudo file.  You may either use the sample.pam
+       file included with sudo or use /etc/pam.d/su as a reference.
 
   --with-AFS
        Enable AFS support with kerberos authentication.  Should work under