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-rw-r--r--chapter09/docs/Makefile12
-rw-r--r--chapter09/docs/build-graphs.sh6
2 files changed, 12 insertions, 6 deletions
diff --git a/chapter09/docs/Makefile b/chapter09/docs/Makefile
new file mode 100644
index 00000000..12659b8f
--- /dev/null
+++ b/chapter09/docs/Makefile
@@ -0,0 +1,12 @@
+GV := $(wildcard *.gv)
+SVG := $(patsubst %.gv,%.svg,$(GV))
+
+.PHONY: all
+all: $(SVG)
+
+%.svg: %.gv
+ dot -Tsvg $< > $@
+
+.PHONY: clean
+clean:
+ @rm -f $(SVG)
diff --git a/chapter09/docs/build-graphs.sh b/chapter09/docs/build-graphs.sh
deleted file mode 100644
index dbd22623..00000000
--- a/chapter09/docs/build-graphs.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-dot -Tsvg 09-graph1.gv > 09-graph1.svg
-dot -Tsvg 09-graph2.gv > 09-graph2.svg
-dot -Tsvg 09-graph3.gv > 09-graph3.svg
-dot -Tsvg 09-graph4.gv > 09-graph4.svg
-dot -Tsvg 09-graph5.gv > 09-graph5.svg
-dot -Tsvg 09-graph6.gv > 09-graph6.svg