1 files changed, 18 insertions, 1 deletions

diff --git a/src/regress/lib/libssl/handshake/Makefile b/src/regress/lib/libssl/handshake/Makefile
index 592e3b3f66..0b4248191a 100644
--- a/src/regress/lib/libssl/handshake/Makefile
+++ b/src/regress/lib/libssl/handshake/Makefile
@@ -1,4 +1,4 @@
-#       $OpenBSD: Makefile,v 1.3 2019/01/23 08:31:25 tb Exp $
+#       $OpenBSD: Makefile,v 1.4 2019/01/24 16:32:29 tb Exp $
 
 PROGS += handshake_table
 PROGS += valid_handshakes_terminate
@@ -15,6 +15,23 @@ CFLAGS +=	-DLIBRESSL_INTERNAL -Wundef -Werror -I$(BSDSRCDIR)/lib/libssl
 print:  handshake_table
         @./handshake_table -C
 
+handshake.gv: handshake_table
+        ./handshake_table -g > $@.tmp
+        mv $@.tmp $@
+
+CLEANFILES += handshake.gv
+
+.for _FMT in png svg ps
+handshake.${_FMT}: handshake.gv
+        @if [ ! -x /usr/local/bin/dot ]; then                   \
+                echo "pkg_add graphviz to generate png";        \
+                false;                                          \
+        fi
+        dot -T${_FMT} handshake.gv -o $@
+
+CLEANFILES += handshake.${_FMT}
+.endfor
+
 .for p in ${PROGS}
 run-$p: $p
         @echo '\n======== $@ ========'