document extension to file pathname list; noted by jmc

1 files changed, 17 insertions, 3 deletions

diff --git a/share/man/man5/files.conf.5 b/share/man/man5/files.conf.5
index e7e914f6e2c..f806f156dd7 100644
--- a/share/man/man5/files.conf.5
+++ b/share/man/man5/files.conf.5
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: files.conf.5,v 1.15 2007/05/31 19:19:58 jmc Exp $
+.\"	$OpenBSD: files.conf.5,v 1.16 2007/11/25 10:30:39 deraadt Exp $
 .\"
 .\" Copyright (c) 2002 Miodrag Vallat.
 .\" All rights reserved.
@@ -24,7 +24,7 @@
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\"
-.Dd $Mdocdate: May 31 2007 $
+.Dd $Mdocdate: November 25 2007 $
 .Dt FILES.CONF 5
 .Os
 .Sh NAME
@@ -263,9 +263,23 @@ the device and pseudo-device names, except for
 .\"
 Kernel source files are defined as:
 .Bd -literal -offset indent
-file somewhere/somefile.c	dependencies	need-rules
+file file-list	dependencies	need-rules
 .Ed
 .Pp
+The
+.Dq file-list
+typically only specifies only one filename.
+Alternatively a list of potential filenames can be supplied,
+seperated by
+.Dq \&| Ns ,
+and
+.Xr config 8
+will select a file based on existance.
+If
+.Dq ${MACHINE_ARCH}
+is found in the filename, it will be substited with the
+base architecture name.
+.Pp
 If the
 .Dq dependencies
 part is empty, the file will always be compiled in.