diff --git a/Makefile.am b/Makefile.am
index 754c19a..4c71a12 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -481,3 +481,7 @@ AM_V_DL = $(AM_V_DL_$(V))
 AM_V_DL_ = $(AM_V_DL_$(AM_DEFAULT_VERBOSITY))
 AM_V_DL_0 = @echo "  DL      " $@;
 
+AM_V_DOT = $(AM_V_DOT_$(V))
+AM_V_DOT_ = $(AM_V_DOT_$(AM_DEFAULT_VERBOSITY))
+AM_V_DOT_0 = @echo "  DOT     " $@;
+
diff --git a/doc.am b/doc.am
index 9214405..9e95349 100644
--- a/doc.am
+++ b/doc.am
@@ -68,15 +68,15 @@ DOT_OPTIONS =					\
   -Nfontsize=9 -Nheight=.1 -Nwidth=.1
 
 .dot.png:
-	$(DOT) -Tpng $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"
+	$(AM_V_DOT)$(DOT) -Tpng $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"; \
 	mv "$(srcdir)/$@.tmp" "$(srcdir)/$@"
 
 .dot.pdf:
-	$(DOT) -Tpdf $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"
+	$(AM_V_DOT)$(DOT) -Tpdf $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"; \
 	mv "$(srcdir)/$@.tmp" "$(srcdir)/$@"
 
 .dot.eps:
-	$(DOT) -Teps $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"
+	$(AM_V_DOT)$(DOT) -Teps $(DOT_OPTIONS) < "$<" > "$(srcdir)/$@.tmp"; \
 	mv "$(srcdir)/$@.tmp" "$(srcdir)/$@"
 
 .png.eps: