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Date:      Fri, 23 Jan 2009 18:32:32 +0000 (UTC)
From:      Warner Losh <imp@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r187637 - head/share/man/man7
Message-ID:  <200901231832.n0NIWWAA049946@svn.freebsd.org>

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Author: imp
Date: Fri Jan 23 18:32:31 2009
New Revision: 187637
URL: http://svn.freebsd.org/changeset/base/187637

Log:
  Document KERNCONF and KERNFAST.  Note that TARGET is usually all one
  needs to set for cross building.

Modified:
  head/share/man/man7/build.7

Modified: head/share/man/man7/build.7
==============================================================================
--- head/share/man/man7/build.7	Fri Jan 23 18:23:16 2009	(r187636)
+++ head/share/man/man7/build.7	Fri Jan 23 18:32:31 2009	(r187637)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 5, 2009
+.Dd January 23, 2009
 .Dt BUILD 7
 .Os
 .Sh NAME
@@ -370,6 +370,27 @@ defaults to the current machine architec
 .Va TARGET
 is also set, in which case it defaults to the appropriate
 value for that platform.
+Typically, one only needs to set 
+.Va TARGET .
+.It Va KERNCONF
+Overrides which kernel to build and install for the various kernel
+make targets.
+It defaults to
+.Cm GENERIC .
+.It Va KERNFAST
+If set, the build target
+.Cm buildkernel
+defaults to setting 
+.Va NO_KERNELCLEAN ,
+.Va NO_KERNELCONFIG
+and
+.Va NO_KERNELDEPEND .
+When set to a value other than
+.Cm 1
+then 
+.Va KERNCONF 
+is set to the value of 
+.Va KERNFAST .
 .El
 .Pp
 Builds under directory



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