make --enable-silent-rules configure option more useful * sparse-mx-ops: Rename from smx-ops. * genpropdoc.m: Write to stdout if filename is not supplied. * Makefile.am, build-aux/common.mk, doc/interpreter/Makefile.am, doc/interpreter/graphics_properties.mk, etc/icons/Makefile.am, libgui/Makefile.am, libinterp/Makefile.am, libinterp/corefcn/module.mk, libinterp/octave-value/module.mk, libinterp/operators/module.mk, libinterp/parse-tree/module.mk, liboctave/cruft/module.mk, liboctave/cruft/ranlib/module.mk, liboctave/cruft/slatec-fn/module.mk, liboctave/numeric/module.mk, liboctave/operators/module.mk, scripts/Makefile.am, scripts/java/module.mk, src/Makefile.am, test/Makefile.am: Preface rules with $(AM_V_GEN) or similar as needed. Improve consistency of rules. Prefer commands that write to stdout, redirecting output to $@-t, then moving to $@. * doc/interpreter/images.awk, libinterp/dldfcn/config-module.awk: Generate rules with $(AM_V_GEN).

--- a/libinterp/operators/module.mk	Fri Feb 20 08:45:23 2015 -0800
+++ b/libinterp/operators/module.mk	Fri Feb 20 17:18:19 2015 -0500
@@ -139,6 +139,7 @@
 
 ## Special rules for sources which must be built before rest of compilation.
 operators/ops.cc: $(OPERATORS_SRC) mkops
-	$(srcdir)/mkops $(OPERATORS_SRC) > $@-t
+	$(AM_V_GEN)rm -f $@-t $@ && \
+	$(srcdir)/mkops $(OPERATORS_SRC) > $@-t && \
 	mv $@-t $@