diff --git a/ChangeLog b/ChangeLog
index 296f0aae2a..f8ea649786 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Nov 24 14:53:10 2003  NAKAMURA Usaku <usa@ruby-lang.org>
+
+	* bcc32/Makefile.sub, win32/Makefile.sub, wince/Makefile.sub
+	  (XCFLAGS): output empty value instead of `-DRUBY_EXPORT'.
+
 Sat Nov 22 23:09:45 2003  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* configure.in: set enable_pthread to no on MinGW.
diff --git a/bcc32/Makefile.sub b/bcc32/Makefile.sub
index 55ac6a0285..7b592e22b4 100644
--- a/bcc32/Makefile.sub
+++ b/bcc32/Makefile.sub
@@ -348,7 +348,7 @@ s,@ALLOCA@,$(ALLOCA),;t t
 s,@DEFAULT_KCODE@,$(DEFAULT_KCODE),;t t
 s,@EXEEXT@,.exe,;t t
 s,@OBJEXT@,obj,;t t
-s,@XCFLAGS@,$(XCFLAGS),;t t
+s,@XCFLAGS@,,;t t
 s,@XLDFLAGS@,$(XLDFLAGS),;t t
 s,@DLDFLAGS@,$(DLDFLAGS),;t t
 s,@STATIC@,$(STATIC),;t t
diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 700c80c75d..55f3020bc8 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -345,7 +345,7 @@ s,@ALLOCA@,$(ALLOCA),;t t
 s,@DEFAULT_KCODE@,$(DEFAULT_KCODE),;t t
 s,@EXEEXT@,.exe,;t t
 s,@OBJEXT@,obj,;t t
-s,@XCFLAGS@,$(XCFLAGS),;t t
+s,@XCFLAGS@,,;t t
 s,@XLDFLAGS@,$(XLDFLAGS),;t t
 s,@DLDFLAGS@,$(DLDFLAGS) $$(LIBPATH) -def:$$(DEFFILE),;t t
 s,@STATIC@,$(STATIC),;t t
diff --git a/wince/Makefile.sub b/wince/Makefile.sub
index 874ad3cae1..e6b5913330 100644
--- a/wince/Makefile.sub
+++ b/wince/Makefile.sub
@@ -379,7 +379,7 @@ s,@ALLOCA@,$(ALLOCA),;t t
 s,@DEFAULT_KCODE@,$(DEFAULT_KCODE),;t t
 s,@EXEEXT@,.exe,;t t
 s,@OBJEXT@,obj,;t t
-s,@XCFLAGS@,$(XCFLAGS),;t t
+s,@XCFLAGS@,,;t t
 s,@XLDFLAGS@,$(XLDFLAGS),;t t
 s,@DLDFLAGS@,$(DLDFLAGS) $$(LIBPATH) -def:$$(DEFFILE),;t t
 s,@STATIC@,$(STATIC),;t t