diff --git a/ChangeLog b/ChangeLog
index d679953..0460248 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sun Dec  7 23:25:25 2008  Minero Aoki  <aamine@loveruby.net>
+
+	* lib/libcbc.cb -> lib/stdarg.cb
+
+	* lib/Makefile: ditto.
+
 Sun Dec  7 22:27:51 2008  Minero Aoki  <aamine@loveruby.net>
 
 	* net/loveruby/cflat/compiler/CodeGenerator.java: manage stack
diff --git a/lib/Makefile b/lib/Makefile
index 05b2815..11f4000 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -1,16 +1,20 @@
 CBC = ../bin/cbc
 CBFLAGS = -O -fPIC
 TARGET = libcbc.a
-OBJS = libcbc.o
+OBJS = stdarg.o
 
 .SUFFIXES:
-.SUFFIXES: .cb .o
+.SUFFIXES: .cb .s .o
 
 .cb.o:
 	$(CBC) $(CBFLAGS) -c $< -o $@
+.s.o:
+	$(CBC) -c $<
 
 $(TARGET): $(OBJS)
 	ar cr $(TARGET) $(OBJS)
 
+stdarg.o: stdarg.cb
+
 clean:
 	rm -f $(TARGET) *.o *.s
diff --git a/lib/libcbc.cb b/lib/stdarg.cb
similarity index 100%
rename from lib/libcbc.cb
rename to lib/stdarg.cb