Allow compiling dot resources

Makefile

@@ -4,7 +4,11 @@ SRC = report.tex
 TARGET = $(SRC:%.tex=%.pdf)
 
 .PHONY: build
-build: $(TARGET)
+build: dot $(TARGET)
+
+.PHONY: dot
+dot:
+	$(MAKE) -C ./assets/dot/
 
 # used for `nix-build`
 .PHONY: install
@@ -16,7 +20,7 @@ install: build
 	latexmk $<
 
 .PHONY: watch
-watch:
+watch: dot
 	latexmk -pvc $(SRC)
 
 .PHONY: lint
@@ -28,5 +32,9 @@ languagetool:
 	languagetool <(cat $(SRC) | ./scripts/detex.py)
 
 .PHONY: clean
-clean:
+clean: clean_dot
 	latexmk -C
+
+.PHONY: clean_dot
+clean_dot:
+	$(MAKE) -C ./assets/dot/ clean

assets/dot/Makefile

@@ -0,0 +1,13 @@
+
+DOT = $(wildcard *.dot)
+PDF = $(DOT:.dot=.pdf)
+
+.PHONY: build
+build: $(PDF)
+
+%.pdf: %.dot
+	dot -Tpdf $< -o $@
+
+.PHONY: clean
+clean:
+	rm -f *.pdf