Document the two argument form of the "machine" directive.

Reviewed by:	imp
MFC After:	3 days
This commit is contained in:
Joseph Koshy 2006-02-12 07:56:11 +00:00
parent d57d58dac4
commit 4bb7c6590e
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=155564

View File

@ -164,7 +164,7 @@ and return to the current file after
is successfully processed.
.\" -------- MACHINE --------
.Pp
.It Ic machine Ar arch
.It Ic machine Ar arch Op Ar basearch
Specifies the architecture of the machine the kernel is being
compiled for.
Legal values for
@ -188,6 +188,17 @@ The IBM PowerPC architecture.
The Sun Sparc64 architecture.
.El
.Pp
If argument
.Ar basearch
is specified, it points
.Xr config 8
to the base architecture of the machine.
Currently the
.Cm pc98
architecture requires its base architecture
to be set to
.Cm i386 .
.Pp
A kernel configuration file may have only one
.Ic machine
directive.