[src/trunk]: src Document the new "kernels" operation, prompted by joerg@.

[uebayasi <uebayasi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c3e530928990
branches:  trunk
changeset: 333503:c3e530928990
user:      uebayasi <uebayasi%NetBSD.org@localhost>
date:      Thu Nov 06 03:34:11 2014 +0000

description:
Document the new "kernels" operation, prompted by joerg@.

diffstat:

 BUILDING |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (16 lines):

diff -r 6e92b870042e -r c3e530928990 BUILDING
--- a/BUILDING  Thu Nov 06 02:02:48 2014 +0000
+++ b/BUILDING  Thu Nov 06 03:34:11 2014 +0000
@@ -820,6 +820,12 @@
                    symbol table and can be used for debugging (for example
                    with a cross-gdb built by MKCROSSGDB).
 
+     kernels       This command will build all kernels defined in port specific
+                   release build procedure.
+
+                  This command internally calls the kernel=kconf operation
+                  for each found kernel configuration file.
+
      modules       This command will build kernel modules and install them
                    into DESTDIR.