Revert ext/json/parser/prereq.mk

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55583 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/json/parser/prereq.mk

@@ -0,0 +1,10 @@
+RAGEL = ragel
+
+.SUFFIXES: .rl
+
+.rl.c:
+	$(RAGEL) -G2 $<
+	$(BASERUBY) -pli -e '$$_.sub!(/[ \t]+$$/, "")' \
+	-e '$$_.sub!(/^static const int (JSON_.*=.*);$$/, "enum {\\1};")' $@
+
+parser.c: