Merge commit 'ad273dbe5dba7bd0e901270464e25fc1f030a5b5' as 'backend/goldmark'

backend/goldmark/_benchmark/cmark/Makefile

@@ -0,0 +1,33 @@
+CMARK_BIN=cmark_benchmark
+CMARK_RUN=LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:./cmark-master/build/src ./$(CMARK_BIN)
+ifeq ($(OS),Windows_NT)
+  CMARK_BIN=cmark_benchmark.exe
+  CMARK_RUN=bash -c "PATH=./cmark-master/build/src:$${PATH} ./$(CMARK_BIN)"
+endif
+
+.PHONY: run
+
+run: $(CMARK_BIN)
+	@ $(CMARK_RUN)
+	go run ./goldmark_benchmark.go
+
+./cmark-master/Makefile:
+	wget -nc -O cmark.zip https://github.com/commonmark/cmark/archive/master.zip
+	unzip cmark.zip
+	rm -f cmark.zip
+	cd cmark-master && make
+
+$(CMARK_BIN): ./cmark-master/Makefile cmark_benchmark.c
+	gcc -I./cmark-master/build/src -I./cmark-master/src  cmark_benchmark.c -o $(CMARK_BIN) -L./cmark-master/build/src -lcmark; \
+
+.PHONY: profile
+profile:
+	go build -o main ./goldmark_benchmark.go
+	./main 1000 _data.md cpu.prof
+	go tool pprof -png main cpu.prof > out.png
+	rm -f main cpu.prof
+
+
+.PHONY: clean
+clean:
+	rm -f $(CMARK_BIN)