document PROFILE_ONLY_VARIABLES

svn path=/main/trunk/; revision=8259

diff --git a/man/portage.5 b/man/portage.5
index b94b2fdbd79fd23df96ba7ac618a1c762d6c87ac..0599c5e09301d4fc28b48c9daf5bc3a5c946fb45 100644 (file)
--- a/man/portage.5
+++ b/man/portage.5
@@ -163,9 +163,13 @@ Architecture type (x86/ppc/hppa/etc...).
 .B USERLAND = \fI"GNU"\fR
 Support BSD/cygwin/etc...
 .TP
-.B PORTAGE_LIBC = \fI"glibc"\fR
+.B ELIBC = \fI"glibc"\fR
 Support uClibc/BSD libc/etc...
 .TP
+.B PROFILE_ONLY_VARIABLES = \fI"ARCH"\fR
+Prevent critical variables from being changed by the user in make.conf 
+or the env.
+.TP
 .BR PROFILE_ARCH
 Distinguish machines classes that have the same \fBARCH\fR.  All sparc 
 machines have ARCH=sparc but set this to either 'sparc32' or 'sparc64'.