Documentation: make Makefile.sphinx no-ops quieter

Silence the "make[1]: Nothing to be done for ..." messages for the
no-op targets in Makefile.sphinx.

Signed-off-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/Makefile.sphinx b/Documentation/Makefile.sphinx
index 48b2b02..8284f3d 100644 (file)
--- a/Documentation/Makefile.sphinx
+++ b/Documentation/Makefile.sphinx
@@ -98,9 +98,13 @@ endif # HAVE_SPHINX
 
 # no-ops for the Sphinx toolchain
 sgmldocs:
+       @:
 psdocs:
+       @:
 mandocs:
+       @:
 installmandocs:
+       @:
 
 cleandocs:
        $(Q)rm -rf $(BUILDDIR)