* 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).
---
 Makefile.am | 4 ++++
 doc.am      | 6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)