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===================================================================
RCS file: /ftp/cvs/cvsroot/src/BUILDING,v
rcsdiff: /ftp/cvs/cvsroot/src/BUILDING,v: warning: Unknown phrases like `commitid ...;' are present.
retrieving revision 1.78.2.1
retrieving revision 1.81
diff -u -p -r1.78.2.1 -r1.81
--- src/BUILDING	2008/11/15 22:05:11	1.78.2.1
+++ src/BUILDING	2008/11/15 11:27:50	1.81
@@ -165,12 +165,24 @@ CONFIGURATION
      MAKEVERBOSE
                  Level of verbosity of status messages.  Supported values:
 
-                 0    No descriptive messages are shown.
+                 0    No descriptive messages or commands executed by make(1)
+                      are shown.
 
-                 1    Descriptive messages are shown.
+                 1    Brief messages are shown describing what is being done,
+                      but the actual commands executed by make(1) are not dis-
+                      played.
+
+                 2    Descriptive messages are shown as above (prefixed with a
+                      `#'), and ordinary commands performed by make(1) are
+                      displayed.
+
+                 3    In addition to the above, all commands performed by
+                      make(1) are displayed, even if they would ordinarily
+                      have been hidden through use of the ``@'' prefix in the
+                      relevant makefile.
 
-                 2    Descriptive messages (prefixed with a `#') and command
-                      output is not suppressed.
+                 4    In addition to the above, commands executed by make(1)
+                      are traced through use of the sh(1) ``-x'' flag.
 
                  Default: 2
 
@@ -352,8 +364,8 @@ CONFIGURATION
      X11FLAVOUR  The style of X11 cross-built, set to either ``Xorg'' or
                  ``XFree86''.
 
-                 Default: ``Xorg'' on amd64, i386, macppc, shark, sparc and
-                 sparc64 platforms, ``XFree86'' on everything else.
+                 Default: ``Xorg'' on amd64, i386, macppc, shark and sparc64
+                 platforms, ``XFree86'' on everything else.
 
    "make" variables for full builds
      These variables only affect the top level ``Makefile'' and do not affect