diff --git a/moo/Makefile.in b/moo/Makefile.in
index 28ff8c8..c5f890b 100644
--- a/moo/Makefile.in
+++ b/moo/Makefile.in
@@ -166,8 +166,8 @@ am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/ac/ar-lib \
 	$(top_srcdir)/ac/compile $(top_srcdir)/ac/config.guess \
 	$(top_srcdir)/ac/config.sub $(top_srcdir)/ac/install-sh \
 	$(top_srcdir)/ac/ltmain.sh $(top_srcdir)/ac/missing ac/ar-lib \
-	ac/compile ac/config.guess ac/config.sub ac/install-sh \
-	ac/ltmain.sh ac/missing
+	ac/compile ac/config.guess ac/config.sub ac/depcomp \
+	ac/install-sh ac/ltmain.sh ac/missing
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 distdir = $(PACKAGE)-$(VERSION)
 top_distdir = $(distdir)
diff --git a/moo/bin/Makefile.am b/moo/bin/Makefile.am
index 1f76c27..a861e34 100644
--- a/moo/bin/Makefile.am
+++ b/moo/bin/Makefile.am
@@ -5,7 +5,7 @@ CPPFLAGS_ALL_COMMON = \
 	-I$(abs_builddir)/../lib  \
 	-I$(abs_srcdir) \
 	-I$(abs_srcdir)/../lib \
-	-I$(includedir)	
+	-I$(includedir)
 
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(abs_builddir)/../lib -L$(libdir)
 
@@ -22,7 +22,19 @@ moo_SOURCES = main.c
 moo_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 moo_LDFLAGS = $(LDFLAGS_ALL_COMMON)
 moo_LDADD = $(LIBADD_BIN_COMMON) -lmoox 
-if ENABLE_STATIC_MODULE
 moo_DEPENDENCIES = ../lib/libmoox.la
-endif
 
+
+if ENABLE_EXPERIMENTAL
+
+##################################################
+# moo-gtk - experimental. the following configuration is temporary only.
+##################################################
+bin_PROGRAMS += moo-gtk
+moo_gtk_SOURCES = gtk-main.c
+moo_gtk_CPPFLAGS = $(CPPFLAGS_ALL_COMMON) -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libdrm -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
+moo_gtk_LDFLAGS = $(LDFLAGS_ALL_COMMON)
+moo_gtk_LDADD = $(LIBADD_BIN_COMMON) -lmoox -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0
+moo_gtk_DEPENDENCIES = ../lib/libmoox.la
+
+endif
diff --git a/moo/bin/Makefile.in b/moo/bin/Makefile.in
index 68c936e..bdda8ab 100644
--- a/moo/bin/Makefile.in
+++ b/moo/bin/Makefile.in
@@ -88,8 +88,12 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-bin_PROGRAMS = moo$(EXEEXT)
-@ENABLE_STATIC_MODULE_FALSE@moo_DEPENDENCIES = $(am__DEPENDENCIES_2)
+bin_PROGRAMS = moo$(EXEEXT) $(am__EXEEXT_1)
+
+##################################################
+# moo-gtk - experimental. the following configuration is temporary only.
+##################################################
+@ENABLE_EXPERIMENTAL_TRUE@am__append_1 = moo-gtk
 subdir = bin
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/ax_check_sign.m4 \
@@ -105,6 +109,7 @@ mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = $(top_builddir)/lib/moo-cfg.h
 CONFIG_CLEAN_FILES =
 CONFIG_CLEAN_VPATH_FILES =
+@ENABLE_EXPERIMENTAL_TRUE@am__EXEEXT_1 = moo-gtk$(EXEEXT)
 am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_moo_OBJECTS = moo-main.$(OBJEXT)
@@ -118,6 +123,13 @@ am__v_lt_1 =
 moo_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
 	$(moo_LDFLAGS) $(LDFLAGS) -o $@
+am__moo_gtk_SOURCES_DIST = gtk-main.c
+@ENABLE_EXPERIMENTAL_TRUE@am_moo_gtk_OBJECTS =  \
+@ENABLE_EXPERIMENTAL_TRUE@	moo_gtk-gtk-main.$(OBJEXT)
+moo_gtk_OBJECTS = $(am_moo_gtk_OBJECTS)
+moo_gtk_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(moo_gtk_LDFLAGS) $(LDFLAGS) -o $@
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
 am__v_P_0 = false
@@ -152,8 +164,8 @@ AM_V_CCLD = $(am__v_CCLD_@AM_V@)
 am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
 am__v_CCLD_0 = @echo "  CCLD    " $@;
 am__v_CCLD_1 = 
-SOURCES = $(moo_SOURCES)
-DIST_SOURCES = $(moo_SOURCES)
+SOURCES = $(moo_SOURCES) $(moo_gtk_SOURCES)
+DIST_SOURCES = $(moo_SOURCES) $(am__moo_gtk_SOURCES_DIST)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -339,7 +351,7 @@ CPPFLAGS_ALL_COMMON = \
 	-I$(abs_builddir)/../lib  \
 	-I$(abs_srcdir) \
 	-I$(abs_srcdir)/../lib \
-	-I$(includedir)	
+	-I$(includedir)
 
 LDFLAGS_ALL_COMMON = -L$(abs_builddir) -L$(abs_builddir)/../lib -L$(libdir)
 CPPFLAGS_BIN_COMMON = $(CPPFLAGS_ALL_COMMON)
@@ -353,7 +365,12 @@ moo_SOURCES = main.c
 moo_CPPFLAGS = $(CPPFLAGS_ALL_COMMON)
 moo_LDFLAGS = $(LDFLAGS_ALL_COMMON)
 moo_LDADD = $(LIBADD_BIN_COMMON) -lmoox 
-@ENABLE_STATIC_MODULE_TRUE@moo_DEPENDENCIES = ../lib/libmoox.la
+moo_DEPENDENCIES = ../lib/libmoox.la
+@ENABLE_EXPERIMENTAL_TRUE@moo_gtk_SOURCES = gtk-main.c
+@ENABLE_EXPERIMENTAL_TRUE@moo_gtk_CPPFLAGS = $(CPPFLAGS_ALL_COMMON) -pthread -I/usr/include/gtk-3.0 -I/usr/include/at-spi2-atk/2.0 -I/usr/include/at-spi-2.0 -I/usr/include/dbus-1.0 -I/usr/lib64/dbus-1.0/include -I/usr/include/gtk-3.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/harfbuzz -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/freetype2 -I/usr/include/libdrm -I/usr/include/libpng16 -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include
+@ENABLE_EXPERIMENTAL_TRUE@moo_gtk_LDFLAGS = $(LDFLAGS_ALL_COMMON)
+@ENABLE_EXPERIMENTAL_TRUE@moo_gtk_LDADD = $(LIBADD_BIN_COMMON) -lmoox -lgtk-3 -lgdk-3 -lpangocairo-1.0 -lpango-1.0 -latk-1.0 -lcairo-gobject -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lgobject-2.0 -lglib-2.0
+@ENABLE_EXPERIMENTAL_TRUE@moo_gtk_DEPENDENCIES = ../lib/libmoox.la
 all: all-am
 
 .SUFFIXES:
@@ -441,6 +458,10 @@ moo$(EXEEXT): $(moo_OBJECTS) $(moo_DEPENDENCIES) $(EXTRA_moo_DEPENDENCIES)
 	@rm -f moo$(EXEEXT)
 	$(AM_V_CCLD)$(moo_LINK) $(moo_OBJECTS) $(moo_LDADD) $(LIBS)
 
+moo-gtk$(EXEEXT): $(moo_gtk_OBJECTS) $(moo_gtk_DEPENDENCIES) $(EXTRA_moo_gtk_DEPENDENCIES) 
+	@rm -f moo-gtk$(EXEEXT)
+	$(AM_V_CCLD)$(moo_gtk_LINK) $(moo_gtk_OBJECTS) $(moo_gtk_LDADD) $(LIBS)
+
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
 
@@ -448,6 +469,7 @@ distclean-compile:
 	-rm -f *.tab.c
 
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/moo-main.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/moo_gtk-gtk-main.Po@am__quote@
 
 .c.o:
 @am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@@ -487,6 +509,20 @@ moo-main.obj: main.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(moo_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o moo-main.obj `if test -f 'main.c'; then $(CYGPATH_W) 'main.c'; else $(CYGPATH_W) '$(srcdir)/main.c'; fi`
 
+moo_gtk-gtk-main.o: gtk-main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(moo_gtk_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT moo_gtk-gtk-main.o -MD -MP -MF $(DEPDIR)/moo_gtk-gtk-main.Tpo -c -o moo_gtk-gtk-main.o `test -f 'gtk-main.c' || echo '$(srcdir)/'`gtk-main.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/moo_gtk-gtk-main.Tpo $(DEPDIR)/moo_gtk-gtk-main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='gtk-main.c' object='moo_gtk-gtk-main.o' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(moo_gtk_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o moo_gtk-gtk-main.o `test -f 'gtk-main.c' || echo '$(srcdir)/'`gtk-main.c
+
+moo_gtk-gtk-main.obj: gtk-main.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(moo_gtk_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT moo_gtk-gtk-main.obj -MD -MP -MF $(DEPDIR)/moo_gtk-gtk-main.Tpo -c -o moo_gtk-gtk-main.obj `if test -f 'gtk-main.c'; then $(CYGPATH_W) 'gtk-main.c'; else $(CYGPATH_W) '$(srcdir)/gtk-main.c'; fi`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/moo_gtk-gtk-main.Tpo $(DEPDIR)/moo_gtk-gtk-main.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='gtk-main.c' object='moo_gtk-gtk-main.obj' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(moo_gtk_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o moo_gtk-gtk-main.obj `if test -f 'gtk-main.c'; then $(CYGPATH_W) 'gtk-main.c'; else $(CYGPATH_W) '$(srcdir)/gtk-main.c'; fi`
+
 mostlyclean-libtool:
 	-rm -f *.lo
 
diff --git a/moo/bin/main.c b/moo/bin/main.c
index 6e6c938..b68cc4a 100644
--- a/moo/bin/main.c
+++ b/moo/bin/main.c
@@ -250,6 +250,8 @@ int main (int argc, char* argv[])
 	for (i = opt.ind; i < argc; i++)
 	{
 		moo_iostd_t in;
+
+		memset (&in, 0, MOO_SIZEOF(in));
 #if 1
 		in.type = MOO_IOSTD_FILEB;
 		in.u.fileb.path = argv[i];
diff --git a/moo/configure b/moo/configure
index 791c048..a982d3f 100755
--- a/moo/configure
+++ b/moo/configure
@@ -668,6 +668,8 @@ ENABLE_DYNAMIC_MODULE_TRUE
 ENABLE_CXX_FALSE
 ENABLE_CXX_TRUE
 BUILD_MODE
+ENABLE_EXPERIMENTAL_FALSE
+ENABLE_EXPERIMENTAL_TRUE
 PACKAGE_VERSION_PATCH
 PACKAGE_VERSION_MINOR
 PACKAGE_VERSION_MAJOR
@@ -823,6 +825,7 @@ with_aix_soname
 with_gnu_ld
 with_sysroot
 enable_libtool_lock
+enable_experimental
 enable_debug
 enable_unicode
 enable_full_liw
@@ -1479,7 +1482,8 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
-  --enable-debug          build the library in the debug mode (default. no)
+  --enable-experimental   enable experimental feature(default. no)
+  --enable-debug          compile the code in the debug mode (default. no)
   --enable-unicode        Use the unicode character type as the default
                           character type. one of yes, no, yes:2, yes:4, no:2,
                           no:4 (default. yes)
@@ -21420,6 +21424,22 @@ $as_echo "#define MOO_ENDIAN_UNKNOWN /**/" >>confdefs.h
  esac
 
 
+# Check whether --enable-experimental was given.
+if test "${enable_experimental+set}" = set; then :
+  enableval=$enable_experimental; enable_experimental_is=$enableval
+else
+  enable_experimental_is=no
+fi
+
+ if test "${enable_experimental_is}" = "yes" ; then
+  ENABLE_EXPERIMENTAL_TRUE=
+  ENABLE_EXPERIMENTAL_FALSE='#'
+else
+  ENABLE_EXPERIMENTAL_TRUE='#'
+  ENABLE_EXPERIMENTAL_FALSE=
+fi
+
+
 # Check whether --enable-debug was given.
 if test "${enable_debug+set}" = set; then :
   enableval=$enable_debug; enable_debug_is=$enableval
@@ -21930,6 +21950,10 @@ if test -z "${MACOSX_TRUE}" && test -z "${MACOSX_FALSE}"; then
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 
+if test -z "${ENABLE_EXPERIMENTAL_TRUE}" && test -z "${ENABLE_EXPERIMENTAL_FALSE}"; then
+  as_fn_error $? "conditional \"ENABLE_EXPERIMENTAL\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${ENABLE_CXX_TRUE}" && test -z "${ENABLE_CXX_FALSE}"; then
   as_fn_error $? "conditional \"ENABLE_CXX\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/moo/configure.ac b/moo/configure.ac
index 6fbee7d..fac7da0 100644
--- a/moo/configure.ac
+++ b/moo/configure.ac
@@ -643,8 +643,14 @@ AC_C_BIGENDIAN(
 	[AC_DEFINE([MOO_ENDIAN_LITTLE],[],[Little Endian])],
 	[AC_DEFINE([MOO_ENDIAN_UNKNOWN],[],[Unknown Endian])])
 
+AC_ARG_ENABLE([experimental], 
+	[AS_HELP_STRING([--enable-experimental],[enable experimental feature(default. no)])],
+	enable_experimental_is=$enableval,
+	enable_experimental_is=no)
+AM_CONDITIONAL(ENABLE_EXPERIMENTAL, test "${enable_experimental_is}" = "yes" )
+
 AC_ARG_ENABLE([debug], 
-	[AS_HELP_STRING([--enable-debug],[build the library in the debug mode (default. no)])],
+	[AS_HELP_STRING([--enable-debug],[compile the code in the debug mode (default. no)])],
 	enable_debug_is=$enableval,
 	enable_debug_is=no)
 if test "$enable_debug_is" = "yes"
diff --git a/moo/lib/Makefile.am b/moo/lib/Makefile.am
index 83b5b57..f720d65 100644
--- a/moo/lib/Makefile.am
+++ b/moo/lib/Makefile.am
@@ -91,23 +91,23 @@ libmoo_la_LIBADD = $(LIBADD_LIB_COMMON)
 
 if ENABLE_STATIC_MODULE
 libmoo_la_LIBADD += -lmoo-stdio
-libmoo_la_DEPENDENCIES = $(abs_builddir)/../mod/libmoo-stdio.la
+libmoo_la_DEPENDENCIES = ../mod/libmoo-stdio.la
 
 if ENABLE_MOD_CON
 libmoo_la_LIBADD += -lmoo-con
-libmoo_la_DEPENDENCIES += $(abs_builddir)/../mod/libmoo-con.la
+libmoo_la_DEPENDENCIES += ../mod/libmoo-con.la
 endif
 if ENABLE_MOD_FFI
 libmoo_la_LIBADD += -lmoo-ffi
-libmoo_la_DEPENDENCIES += $(abs_builddir)/../mod/libmoo-ffi.la
+libmoo_la_DEPENDENCIES += ../mod/libmoo-ffi.la
 endif
 if ENABLE_MOD_SCK
 libmoo_la_LIBADD += -lmoo-sck
-libmoo_la_DEPENDENCIES += $(abs_builddir)/../mod/libmoo-sck.la
+libmoo_la_DEPENDENCIES += ../mod/libmoo-sck.la
 endif
 if ENABLE_MOD_X11
 libmoo_la_LIBADD += -lmoo-x11
-libmoo_la_DEPENDENCIES += $(abs_builddir)/../mod/libmoo-x11.la
+libmoo_la_DEPENDENCIES += ../mod/libmoo-x11.la
 endif
 endif
 
diff --git a/moo/lib/Makefile.in b/moo/lib/Makefile.in
index 167eb96..b579024 100644
--- a/moo/lib/Makefile.in
+++ b/moo/lib/Makefile.in
@@ -98,13 +98,13 @@ host_triplet = @host@
 @ENABLE_STATIC_MODULE_FALSE@	$(am__DEPENDENCIES_1) \
 @ENABLE_STATIC_MODULE_FALSE@	$(am__DEPENDENCIES_1)
 @ENABLE_MOD_CON_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_4 = -lmoo-con
-@ENABLE_MOD_CON_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_5 = $(abs_builddir)/../mod/libmoo-con.la
+@ENABLE_MOD_CON_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_5 = ../mod/libmoo-con.la
 @ENABLE_MOD_FFI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_6 = -lmoo-ffi
-@ENABLE_MOD_FFI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_7 = $(abs_builddir)/../mod/libmoo-ffi.la
+@ENABLE_MOD_FFI_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_7 = ../mod/libmoo-ffi.la
 @ENABLE_MOD_SCK_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_8 = -lmoo-sck
-@ENABLE_MOD_SCK_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_9 = $(abs_builddir)/../mod/libmoo-sck.la
+@ENABLE_MOD_SCK_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_9 = ../mod/libmoo-sck.la
 @ENABLE_MOD_X11_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_10 = -lmoo-x11
-@ENABLE_MOD_X11_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_11 = $(abs_builddir)/../mod/libmoo-x11.la
+@ENABLE_MOD_X11_TRUE@@ENABLE_STATIC_MODULE_TRUE@am__append_11 = ../mod/libmoo-x11.la
 @WIN32_TRUE@am__append_12 = poll-msw.c poll-msw.h
 @ENABLE_LIBLTDL_TRUE@am__append_13 = $(LTDL_LIBS)
 @ENABLE_LIBLTDL_FALSE@am__append_14 = $(DL_LIBS)
@@ -487,7 +487,8 @@ libmoo_la_LDFLAGS = $(LDFLAGS_LIB_COMMON)
 libmoo_la_LIBADD = $(LIBADD_LIB_COMMON) $(am__append_3) \
 	$(am__append_4) $(am__append_6) $(am__append_8) \
 	$(am__append_10)
-@ENABLE_STATIC_MODULE_TRUE@libmoo_la_DEPENDENCIES = $(abs_builddir)/../mod/libmoo-stdio.la \
+@ENABLE_STATIC_MODULE_TRUE@libmoo_la_DEPENDENCIES =  \
+@ENABLE_STATIC_MODULE_TRUE@	../mod/libmoo-stdio.la \
 @ENABLE_STATIC_MODULE_TRUE@	$(am__append_5) $(am__append_7) \
 @ENABLE_STATIC_MODULE_TRUE@	$(am__append_9) $(am__append_11)
 
diff --git a/moo/lib/moo-std.h b/moo/lib/moo-std.h
index 3a3fdfa..38bd683 100644
--- a/moo/lib/moo-std.h
+++ b/moo/lib/moo-std.h
@@ -19,6 +19,7 @@ struct moo_cfgstd_t
 	moo_cmgr_t* cmgr;
 	moo_cmgr_t* input_cmgr;
 	moo_cmgr_t* log_cmgr;
+	moo_log_write_t log_write;
 
 	union
 	{
diff --git a/moo/lib/std.c b/moo/lib/std.c
index af44864..9f37a12 100644
--- a/moo/lib/std.c
+++ b/moo/lib/std.c
@@ -3629,7 +3629,7 @@ static void fini_moo (moo_t* moo)
 		vmprim.alloc_heap = alloc_heap;
 		vmprim.free_heap = free_heap;
 	}
-	vmprim.log_write = log_write;
+	vmprim.log_write = (cfg->log_write? cfg->log_write: log_write);
 	vmprim.syserrstrb = syserrstrb;
 	vmprim.assertfail = assert_fail;
 	vmprim.dl_startup = dl_startup;
@@ -3907,4 +3907,3 @@ void moo_uncatch_termreq (void)
 }
 
 #endif
-