diff --git a/Makefile b/Makefile
index 2b00bb8..f4df9f6 100644
--- a/Makefile
+++ b/Makefile
@@ -24,18 +24,18 @@ opnames.h : jscompile.h
 
 jsdump.c : astnames.h opnames.h
 
+one.c : $(SRCS)
+	ls $(SRCS) | awk '{print "#include \""$$1"\""}' > $@
+
 js: build/main.o build/libjs.a
 	$(CC) -o $@ $^ -lm
 
+jsone: build/main.o build/one.o
+	$(CC) -o $@ $^ -lm
+
 re: regex.c utf.c utftype.c
 	$(CC) $(CFLAGS) -DTEST -o $@ $^
 
-libjs.c : $(SRCS)
-	ls $(SRCS) | awk '{print "#include \""$$1"\""}' > $@
-
-jsone: build/main.o build/libjs.o
-	$(CC) $(CFLAGS) -o $@ $^ -lm
-
 tags: $(SRCS) main.c $(HDRS)
 	ctags $^
 
@@ -43,6 +43,6 @@ test: js
 	python tests/sputniktests/tools/sputnik.py --tests=tests/sputniktests --command ./js --summary
 
 clean:
-	rm -f astnames.h opnames.h libjs.c build/* js
+	rm -f astnames.h opnames.h one.c build/* js
 
 .PHONY: default test clean
diff --git a/one.c b/one.c
new file mode 100644
index 0000000..0baed89
--- /dev/null
+++ b/one.c
@@ -0,0 +1,25 @@
+#include "jsarray.c"
+#include "jsboolean.c"
+#include "jsbuiltin.c"
+#include "jscompile.c"
+#include "jsdate.c"
+#include "jsdump.c"
+#include "jserror.c"
+#include "jsfunction.c"
+#include "jsgc.c"
+#include "jsintern.c"
+#include "jslex.c"
+#include "jsmath.c"
+#include "jsnumber.c"
+#include "jsobject.c"
+#include "json.c"
+#include "jsparse.c"
+#include "jsproperty.c"
+#include "jsregexp.c"
+#include "jsrun.c"
+#include "jsstate.c"
+#include "jsstring.c"
+#include "jsvalue.c"
+#include "regex.c"
+#include "utf.c"
+#include "utftype.c"