build: Add 'DOT' silent rule.

* Makefile.am (AM_V_DOT, AM_V_DOT_, AM_V_DOT_0): New variables.
* doc.am (.dot.png, .dot.pdf, .dot.eps): Use $(AM_V_DOT).

diff --git a/Makefile.am b/Makefile.am
index 4e97ff1..768a8bd 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -480,3 +480,7 @@ assert-final-inputs-self-contained:
 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 f15efcc..045e930 100644 (file)
--- a/doc.am
+++ b/doc.am
@@ -67,15 +67,15 @@ 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: