reorganize the directories under src, and rescue the JavaScript interpreter from deprecated

src/runtime/c/Makefile

@@ -0,0 +1,19 @@
+CC = gcc
+CFLAGS += -O2 -W -Wall
+
+.PHONY: all clean
+
+all: libgfcc.a
+
+libgfcc.a: gfcc-tree.o gfcc-term.o 
+	ar r $@ $^
+
+gfcc-tree.o: gfcc-tree.c gfcc-tree.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+gfcc-term.o: gfcc-term.c gfcc-term.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+clean:
+	-rm -f libgfcc.a
+	-rm -f *.o