From da68145fdf4dc1bfa8fd8275d09599e0cf250267 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sun, 3 Jan 2021 11:50:48 +0100
Subject: Add graphviz setup

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
---
 doc/paper/Makefile  | 16 +++++++++++++++-
 doc/paper/shell.nix |  1 +
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/doc/paper/Makefile b/doc/paper/Makefile
index d94b535..70e9c70 100644
--- a/doc/paper/Makefile
+++ b/doc/paper/Makefile
@@ -35,6 +35,9 @@ SVGBOBC=$(shell which svgbob)
 # Inkscape path to compile svg to tex
 INKSCAPEC=$(shell which inkscape)
 
+# Graphviz compiler
+GRAPHVIZC=$(shell which dot)
+
 ##
 ## Flags
 ##
@@ -65,6 +68,9 @@ RM_FLAGS=-f
 # Inkscape flags
 INKSCAPE_FLAGS=-D -o
 
+# Graphviz flags
+GRAPHVIZ_FLAGS=-Tpng
+
 
 ##
 ## Standard commands
@@ -81,6 +87,7 @@ export RM
 
 SVGBOB=$(SVGBOBC)
 INKSCAPE=$(INKSCAPEC) $(INKSCAPE_FLAGS)
+GRAPHVIZ=$(GRAPHVIZC) $(GRAPHVIZ_FLAGS)
 
 ##
 ## Files
@@ -118,6 +125,9 @@ export MAKELOG
 SVGBOB_ALL_SOURCES=$(shell find gen -name *.bob -type f)
 SVGBOB_FILES=$(patsubst gen/%.bob,%,$(SVGBOB_ALL_SOURCES))
 
+# All Graphviz files
+GRAPHVIZ_ALL_SOURCES=$(shell find gen -name *.dot -type f)
+GRAPHVIZ_FILES=$(patsubst gen/%.dot,%,$(GRAPHVIZ_ALL_SOURCES))
 
 
 ##
@@ -175,7 +185,7 @@ all: $(PDF_FILE)
 #
 test one_time: $(AUX_FILE)
 
-gen_tex: $(SVGBOB_FILES)
+gen_tex: $(SVGBOB_FILES) $(GRAPHVIZ_FILES)
 
 # Generate pictures with svgbob
 $(SVGBOB_FILES): %: $(SVGBOB_ALL_SOURCES)
@@ -184,6 +194,10 @@ $(SVGBOB_FILES): %: $(SVGBOB_ALL_SOURCES)
 	@$(ECHO) "\t[INKSCAPE]\t$@.svg\t$(GEN_DIR)/$@.png"
 	@$(INKSCAPEC) $(INKSCAPE_FLAGS) $(GEN_DIR)/$@.png $(GEN_DIR)/$@.svg 2> /dev/null
 
+$(GRAPHVIZ_FILES): %: $(GRAPHVIZ_ALL_SOURCES)
+	@$(ECHO) "\t[GRAPHVIZ]\t$@\t$(GEN_DIR)/$@.png"
+	@$(GRAPHVIZ) $(GEN_DIR)/$@.dot -o $(GEN_DIR)/$@.png
+
 
 ##
 ## Generation tasks
diff --git a/doc/paper/shell.nix b/doc/paper/shell.nix
index 1bbdd82..86bcbba 100644
--- a/doc/paper/shell.nix
+++ b/doc/paper/shell.nix
@@ -7,6 +7,7 @@ pkgs.mkShell rec {
     buildInputs = [
       pkgs.svgbob
       pkgs.inkscape
+      pkgs.graphviz
 
       (texlive.combine {
         inherit (texlive)
-- 
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