diff --git a/moo/Makefile.in b/moo/Makefile.in
index 818b03e..6abe8c6 100644
--- a/moo/Makefile.in
+++ b/moo/Makefile.in
@@ -222,6 +222,7 @@ DEPDIR = @DEPDIR@
 DLLTOOL = @DLLTOOL@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
+DYNCALL_LIBS = @DYNCALL_LIBS@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
diff --git a/moo/configure b/moo/configure
index a942b3e..4ffc6e1 100755
--- a/moo/configure
+++ b/moo/configure
@@ -666,6 +666,7 @@ PACKAGE_VERSION_MINOR
 PACKAGE_VERSION_MAJOR
 QUADMATH_LIBS
 UNICOWS_LIBS
+DYNCALL_LIBS
 LIBM
 WIN32_FALSE
 WIN32_TRUE
@@ -18194,6 +18195,18 @@ fi
 
 done
 
+for ac_header in dyncall.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "dyncall.h" "ac_cv_header_dyncall_h" "$ac_includes_default"
+if test "x$ac_cv_header_dyncall_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DYNCALL_H 1
+_ACEOF
+
+fi
+
+done
+
 
 
 for ac_func in gettimeofday settimeofday clock_gettime clock_settime getitimer setitimer
@@ -18245,6 +18258,54 @@ fi
 done
 
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dcNewCallVM in -ldyncall_s" >&5
+$as_echo_n "checking for dcNewCallVM in -ldyncall_s... " >&6; }
+if ${ac_cv_lib_dyncall_s_dcNewCallVM+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-ldyncall_s  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dcNewCallVM ();
+int
+main ()
+{
+return dcNewCallVM ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_dyncall_s_dcNewCallVM=yes
+else
+  ac_cv_lib_dyncall_s_dcNewCallVM=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dyncall_s_dcNewCallVM" >&5
+$as_echo "$ac_cv_lib_dyncall_s_dcNewCallVM" >&6; }
+if test "x$ac_cv_lib_dyncall_s_dcNewCallVM" = xyes; then :
+
+		DYNCALL_LIBS="-ldyncall_s"
+
+$as_echo "#define HAVE_DYNCALL_LIB 1" >>confdefs.h
+
+
+
+fi
+
+
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lunicows" >&5
 $as_echo_n "checking for main in -lunicows... " >&6; }
 if ${ac_cv_lib_unicows_main+:} false; then :
diff --git a/moo/configure.ac b/moo/configure.ac
index c086fd5..1fa08a3 100644
--- a/moo/configure.ac
+++ b/moo/configure.ac
@@ -143,6 +143,7 @@ dnl check header files.
 AC_HEADER_STDC
 AC_CHECK_HEADERS([stddef.h wchar.h wctype.h errno.h signal.h fcntl.h dirent.h])
 AC_CHECK_HEADERS([time.h sys/time.h utime.h spawn.h execinfo.h ucontext.h])
+AC_CHECK_HEADERS([dyncall.h])
 
 dnl check data types
 dnl AC_CHECK_TYPE([wchar_t], 
@@ -157,6 +158,14 @@ AC_CHECK_FUNCS([backtrace backtrace_symbols])
 AC_CHECK_FUNCS([makecontext swapcontext getcontext setcontext])
 AC_CHECK_FUNCS([snprintf _vsnprintf _vsnwprintf])
 
+AC_CHECK_LIB([dyncall_s], [dcNewCallVM], 
+	[
+		DYNCALL_LIBS="-ldyncall_s"
+		AC_DEFINE([HAVE_DYNCALL_LIB], [1], [dyncall library is available])	
+	]
+)
+AC_SUBST(DYNCALL_LIBS)
+
 dnl check is the import library for unicows.dll exists
 dnl this check doesn't look for a particular symbol
 dnl but for the symbol 'main' since i want to check 
diff --git a/moo/lib/Makefile.in b/moo/lib/Makefile.in
index d092b01..0cf1c56 100644
--- a/moo/lib/Makefile.in
+++ b/moo/lib/Makefile.in
@@ -247,6 +247,7 @@ DEPDIR = @DEPDIR@
 DLLTOOL = @DLLTOOL@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
+DYNCALL_LIBS = @DYNCALL_LIBS@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
diff --git a/moo/lib/bigint.c b/moo/lib/bigint.c
index 44b5bfc..b9f6495 100644
--- a/moo/lib/bigint.c
+++ b/moo/lib/bigint.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/comp.c b/moo/lib/comp.c
index 15823c0..2569b3e 100644
--- a/moo/lib/comp.c
+++ b/moo/lib/comp.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/debug.c b/moo/lib/debug.c
index 2d3399b..866327f 100644
--- a/moo/lib/debug.c
+++ b/moo/lib/debug.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/decode.c b/moo/lib/decode.c
index c8e4722..4404437 100644
--- a/moo/lib/decode.c
+++ b/moo/lib/decode.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/dic.c b/moo/lib/dic.c
index 4caa3be..94791a3 100644
--- a/moo/lib/dic.c
+++ b/moo/lib/dic.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/err.c b/moo/lib/err.c
index 0356437..51cda7c 100644
--- a/moo/lib/err.c
+++ b/moo/lib/err.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/exec.c b/moo/lib/exec.c
index afdb657..6945b53 100644
--- a/moo/lib/exec.c
+++ b/moo/lib/exec.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/gc.c b/moo/lib/gc.c
index 1f966e1..1c3db0e 100644
--- a/moo/lib/gc.c
+++ b/moo/lib/gc.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/heap.c b/moo/lib/heap.c
index e851fe0..94546c7 100644
--- a/moo/lib/heap.c
+++ b/moo/lib/heap.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/logfmt.c b/moo/lib/logfmt.c
index d9f49d1..e2b3653 100644
--- a/moo/lib/logfmt.c
+++ b/moo/lib/logfmt.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/logfmtv.h b/moo/lib/logfmtv.h
index 27c5c58..07df1e3 100644
--- a/moo/lib/logfmtv.h
+++ b/moo/lib/logfmtv.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/main.c b/moo/lib/main.c
index c9511ca..2634678 100644
--- a/moo/lib/main.c
+++ b/moo/lib/main.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-cfg.h.in b/moo/lib/moo-cfg.h.in
index bc55f03..48029ce 100644
--- a/moo/lib/moo-cfg.h.in
+++ b/moo/lib/moo-cfg.h.in
@@ -91,6 +91,12 @@
 /* Define if you have the _dyld_func_lookup function. */
 #undef HAVE_DYLD
 
+/* Define to 1 if you have the <dyncall.h> header file. */
+#undef HAVE_DYNCALL_H
+
+/* dyncall library is available */
+#undef HAVE_DYNCALL_LIB
+
 /* Define to 1 if you have the <errno.h> header file. */
 #undef HAVE_ERRNO_H
 
diff --git a/moo/lib/moo-cmn.h b/moo/lib/moo-cmn.h
index b4ae7ad..0907f55 100644
--- a/moo/lib/moo-cmn.h
+++ b/moo/lib/moo-cmn.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-dos.h b/moo/lib/moo-dos.h
index 8262239..6bd8f1f 100644
--- a/moo/lib/moo-dos.h
+++ b/moo/lib/moo-dos.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-mac.h b/moo/lib/moo-mac.h
index 734a441..03e312f 100644
--- a/moo/lib/moo-mac.h
+++ b/moo/lib/moo-mac.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-msw.h b/moo/lib/moo-msw.h
index fdbf041..f3a322e 100644
--- a/moo/lib/moo-msw.h
+++ b/moo/lib/moo-msw.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-os2.h b/moo/lib/moo-os2.h
index ffc3476..e9effad 100644
--- a/moo/lib/moo-os2.h
+++ b/moo/lib/moo-os2.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-prv.h b/moo/lib/moo-prv.h
index 1a36aec..9af40cb 100644
--- a/moo/lib/moo-prv.h
+++ b/moo/lib/moo-prv.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-rbt.h b/moo/lib/moo-rbt.h
index 0956876..1ebe75e 100644
--- a/moo/lib/moo-rbt.h
+++ b/moo/lib/moo-rbt.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo-utl.h b/moo/lib/moo-utl.h
index a0169bb..357e895 100644
--- a/moo/lib/moo-utl.h
+++ b/moo/lib/moo-utl.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo.c b/moo/lib/moo.c
index 1669ac2..752e8a5 100644
--- a/moo/lib/moo.c
+++ b/moo/lib/moo.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/moo.h b/moo/lib/moo.h
index 9ed0225..637d742 100644
--- a/moo/lib/moo.h
+++ b/moo/lib/moo.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/obj.c b/moo/lib/obj.c
index 8162fda..d906163 100644
--- a/moo/lib/obj.c
+++ b/moo/lib/obj.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/proc.c b/moo/lib/proc.c
index a56d0af..3ecf1ea 100644
--- a/moo/lib/proc.c
+++ b/moo/lib/proc.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/rbt.c b/moo/lib/rbt.c
index df00410..49dee50 100644
--- a/moo/lib/rbt.c
+++ b/moo/lib/rbt.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/sym.c b/moo/lib/sym.c
index 8a49371..c680281 100644
--- a/moo/lib/sym.c
+++ b/moo/lib/sym.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/utf8.c b/moo/lib/utf8.c
index fad7ab1..f717acc 100644
--- a/moo/lib/utf8.c
+++ b/moo/lib/utf8.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/lib/utl.c b/moo/lib/utl.c
index 27d3e8f..e52f928 100644
--- a/moo/lib/utl.c
+++ b/moo/lib/utl.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/mod/Makefile.am b/moo/mod/Makefile.am
index 7ec0c5b..b47796c 100644
--- a/moo/mod/Makefile.am
+++ b/moo/mod/Makefile.am
@@ -46,7 +46,7 @@ libmoo_console_la_LIBADD = $(LIBADD_COMMON) -ltermcap
 libmoo_ffi_la_SOURCES = ffi.c _ffi.h
 libmoo_ffi_la_CPPFLAGS = $(CPPFLAGS_COMMON)
 libmoo_ffi_la_LDFLAGS = $(LDFLAGS_COMMON)
-libmoo_ffi_la_LIBADD = $(LIBADD_COMMON) -ldyncall_s 
+libmoo_ffi_la_LIBADD = $(LIBADD_COMMON) $(DYNCALL_LIBS)
 
 libmoo_stdio_la_SOURCES = stdio.c _stdio.h
 libmoo_stdio_la_CPPFLAGS = $(CPPFLAGS_COMMON)
diff --git a/moo/mod/Makefile.in b/moo/mod/Makefile.in
index 06a1ead..e08c322 100644
--- a/moo/mod/Makefile.in
+++ b/moo/mod/Makefile.in
@@ -143,7 +143,8 @@ libmoo_console_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
 @ENABLE_STATIC_MODULE_FALSE@am_libmoo_console_la_rpath = -rpath \
 @ENABLE_STATIC_MODULE_FALSE@	$(pkgmodexecdir)
 @ENABLE_STATIC_MODULE_TRUE@am_libmoo_console_la_rpath =
-libmoo_ffi_la_DEPENDENCIES = $(am__DEPENDENCIES_1)
+libmoo_ffi_la_DEPENDENCIES = $(am__DEPENDENCIES_1) \
+	$(am__DEPENDENCIES_1)
 am_libmoo_ffi_la_OBJECTS = libmoo_ffi_la-ffi.lo
 libmoo_ffi_la_OBJECTS = $(am_libmoo_ffi_la_OBJECTS)
 libmoo_ffi_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
@@ -250,6 +251,7 @@ DEPDIR = @DEPDIR@
 DLLTOOL = @DLLTOOL@
 DSYMUTIL = @DSYMUTIL@
 DUMPBIN = @DUMPBIN@
+DYNCALL_LIBS = @DYNCALL_LIBS@
 ECHO_C = @ECHO_C@
 ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
@@ -410,7 +412,7 @@ libmoo_console_la_LIBADD = $(LIBADD_COMMON) -ltermcap
 libmoo_ffi_la_SOURCES = ffi.c _ffi.h
 libmoo_ffi_la_CPPFLAGS = $(CPPFLAGS_COMMON)
 libmoo_ffi_la_LDFLAGS = $(LDFLAGS_COMMON)
-libmoo_ffi_la_LIBADD = $(LIBADD_COMMON) -ldyncall_s 
+libmoo_ffi_la_LIBADD = $(LIBADD_COMMON) $(DYNCALL_LIBS)
 libmoo_stdio_la_SOURCES = stdio.c _stdio.h
 libmoo_stdio_la_CPPFLAGS = $(CPPFLAGS_COMMON)
 libmoo_stdio_la_LDFLAGS = $(LDFLAGS_COMMON)
diff --git a/moo/mod/_ffi.h b/moo/mod/_ffi.h
index edee49b..5a8964f 100644
--- a/moo/mod/_ffi.h
+++ b/moo/mod/_ffi.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/mod/_stdio.h b/moo/mod/_stdio.h
index 8de5e82..a11b871 100644
--- a/moo/mod/_stdio.h
+++ b/moo/mod/_stdio.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/mod/console.c b/moo/mod/console.c
index ac29095..bc8bf3c 100644
--- a/moo/mod/console.c
+++ b/moo/mod/console.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/mod/console.h b/moo/mod/console.h
index 430f811..d735a9e 100644
--- a/moo/mod/console.h
+++ b/moo/mod/console.h
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2006-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
diff --git a/moo/mod/ffi.c b/moo/mod/ffi.c
index fa46ee1..ca1cdaa 100644
--- a/moo/mod/ffi.c
+++ b/moo/mod/ffi.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions
@@ -30,9 +30,11 @@
 #include <errno.h>
 #include <string.h>
 
-#define HAVE_DYNCALL
+#if defined(HAVE_DYNCALL_LIB) && defined(HAVE_DYNCALL_H)
+#	define USE_DYNCALL
+#endif
 
-#if defined(HAVE_DYNCALL)
+#if defined(USE_DYNCALL)
 #	include <dyncall.h>
 #endif
 
@@ -54,7 +56,7 @@ static moo_pfrc_t pf_newinstsize (moo_t* moo, moo_ooi_t nargs)
 
 static moo_pfrc_t pf_open (moo_t* moo, moo_ooi_t nargs)
 {
-#if defined(HAVE_DYNCALL)
+#if defined(USE_DYNCALL)
 	ffi_t* rcv;
 	moo_oop_t name;
 
@@ -91,13 +93,14 @@ reterr:
 	return MOO_PF_SUCCESS;
 #else
 	moo_seterrnum (moo, MOO_ENOIMPL);
-	return MOO_PF_FAILURE;
+	MOO_STACK_SETRETTOERROR (moo, nargs);
+	return MOO_PF_SUCCESS;
 #endif
 }
 
 static moo_pfrc_t pf_close (moo_t* moo, moo_ooi_t nargs)
 {
-#if defined(HAVE_DYNCALL)
+#if defined(USE_DYNCALL)
 	ffi_t* rcv;
 
 	if (nargs != 0)
@@ -128,13 +131,14 @@ reterr:
 
 #else
 	moo_seterrnum (moo, MOO_ENOIMPL);
-	return MOO_PF_FAILURE;
+	MOO_STACK_SETRETTOERROR (moo, nargs);
+	return MOO_PF_SUCCESS;
 #endif
 }
 
 static moo_pfrc_t pf_call (moo_t* moo, moo_ooi_t nargs)
 {
-#if defined(HAVE_DYNCALL)
+#if defined(USE_DYNCALL)
 	ffi_t* rcv;
 	moo_oop_t fun, sig, args;
 
@@ -343,13 +347,14 @@ reterr:
 
 #else
 	moo_seterrnum (moo, MOO_ENOIMPL);
-	return MOO_PF_FAILURE;
+	MOO_STACK_SETRETTOERROR (moo, nargs);
+	return MOO_PF_SUCCESS;
 #endif
 }
 
 static moo_pfrc_t pf_getsym (moo_t* moo, moo_ooi_t nargs)
 {
-#if defined(HAVE_DYNCALL)
+#if defined(USE_DYNCALL)
 	ffi_t* rcv;
 	moo_oop_t name;
 	void* sym;
@@ -390,7 +395,8 @@ reterr:
 
 #else
 	moo_seterrnum (moo, MOO_ENOIMPL);
-	return MOO_PF_FAILURE;
+	MOO_STACK_SETRETTOERROR (moo, nargs);
+	return MOO_PF_SUCCESS;
 #endif
 }
 
diff --git a/moo/mod/icc.mak b/moo/mod/icc.mak
index cad3756..5b8410d 100644
--- a/moo/mod/icc.mak
+++ b/moo/mod/icc.mak
@@ -4,10 +4,9 @@
 
 CFLAGS := /D__DOS__ /DMOO_ENABLE_STATIC_MODULE /DNDEBUG /I..\lib
 
-#	ffi.c \
-
 SRCS := \
 	console.c \
+	ffi.c \
 	stdio.c
 
 OBJS := $(SRCS:.c=.obj)
diff --git a/moo/mod/stdio.c b/moo/mod/stdio.c
index ce71c4b..4991b11 100644
--- a/moo/mod/stdio.c
+++ b/moo/mod/stdio.c
@@ -1,7 +1,7 @@
 /*
  * $Id$
  *
-    Copyright (c) 2014-2016 Chung, Hyung-Hwan. All rights reserved.
+    Copyright (c) 2014-2017 Chung, Hyung-Hwan. All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
     modification, are permitted provided that the following conditions