--- /dev/null
+# makefile
+SRC = ../src
+CFLAGS = -I$(SRC) -Wall -g -fsanitize=fuzzer,address -fno-omit-frame-pointer
+CFLAGS_M = -I$(SRC) -Wall -g -fsanitize=fuzzer-no-link,address -fno-omit-frame-pointer -DWITH_READ_MAIN
+ONIG_LIB = $(SRC)/.libs/libonig.a
+LIBS = $(ONIG_LIB)
+
+TARGETS = encode-libfuzzer syntax-libfuzzer deluxe-encode-libfuzzer \
+ utf16-be-libfuzzer utf16-le-libfuzzer main-encode main-syntax \
+ main-deluxe-encode main-utf16-be main-utf16-le \
+ libfuzzer-onig libfuzzer-onig-full
+
+default: $(TARGETS)
+
+encode-libfuzzer: encode-harness.c $(ONIG_LIB)
+ clang $(CFLAGS) $< $(LIBS) -o $@
+
+syntax-libfuzzer: syntax-harness.c $(ONIG_LIB)
+ clang $(CFLAGS) $< $(LIBS) -o $@
+
+deluxe-encode-libfuzzer: deluxe-encode-harness.c $(ONIG_LIB)
+ clang $(CFLAGS) $< $(LIBS) -o $@
+
+utf16-be-libfuzzer: encode-harness.c $(ONIG_LIB)
+ clang -DUTF16_BE $(CFLAGS) $< $(LIBS) -o $@
+
+utf16-le-libfuzzer: encode-harness.c $(ONIG_LIB)
+ clang -DUTF16_LE $(CFLAGS) $< $(LIBS) -o $@
+
+main-encode: encode-harness.c $(ONIG_LIB)
+ clang $(CFLAGS_M) $< $(LIBS) -o $@
+
+main-syntax: syntax-harness.c $(ONIG_LIB)
+ clang $(CFLAGS_M) $< $(LIBS) -o $@
+
+main-deluxe-encode: deluxe-encode-harness.c $(ONIG_LIB)
+ clang $(CFLAGS_M) $< $(LIBS) -o $@
+
+main-utf16-be: encode-harness.c $(ONIG_LIB)
+ clang -DUTF16_BE $(CFLAGS_M) $< $(LIBS) -o $@
+
+main-utf16-le: encode-harness.c $(ONIG_LIB)
+ clang -DUTF16_LE $(CFLAGS_M) $< $(LIBS) -o $@
+
+libfuzzer-onig: libfuzzer-onig.cpp $(ONIG_LIB)
+ clang++ $(CFLAGS) $< $(LIBS) -o $@
+
+libfuzzer-onig-full: libfuzzer-onig.cpp $(ONIG_LIB)
+ clang++ -DFULL_TEST $(CFLAGS) $< $(LIBS) -o $@
+
+
+$(ONIG_LIB):
+ cd ..; make clean
+ cd ..; autoreconf -vfi
+ cd ..; ./configure CC=clang LD=clang CFLAGS="-g -fsanitize=address -fno-omit-frame-pointer" LDFLAGS="-g -fsanitize=address -fno-omit-frame-pointer"
+ cd ..; make -j4
+
+
+clean:
+ rm -f $(TARGETS)