diff --git a/src/auto/configure b/src/auto/configure
index bc46074..d0c9358 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -5330,6 +5330,7 @@
 	@echo "python_LIBS='$(LIBS)'"
 	@echo "python_SYSLIBS='$(SYSLIBS)'"
 	@echo "python_LINKFORSHARED='$(LINKFORSHARED)'"
+	@echo "python_DLLLIBRARY='$(DLLLIBRARY)'"
 	@echo "python_INSTSONAME='$(INSTSONAME)'"
 eof
 	    	    eval "`cd ${PYTHON_CONFDIR} && make -f "${tmp_mkf}" __ | sed '/ directory /d'`"
@@ -5350,6 +5351,9 @@
 fi
 
 
+	if test "X$python_DLLLIBRARY" != "X"; then
+	  python_INSTSONAME="$python_DLLLIBRARY"
+	fi
 	PYTHON_LIBS="${vi_cv_path_python_plibs}"
 	if test "${vi_cv_path_python_pfx}" = "${vi_cv_path_python_epfx}"; then
 	  PYTHON_CFLAGS="-I${vi_cv_path_python_pfx}/include/python${vi_cv_var_python_version} -DPYTHON_HOME=\\\"${vi_cv_path_python_pfx}\\\""
@@ -5633,6 +5637,7 @@
 	@echo "python3_BASEMODLIBS='$(BASEMODLIBS)'"
 	@echo "python3_LIBS='$(LIBS)'"
 	@echo "python3_SYSLIBS='$(SYSLIBS)'"
+	@echo "python3_DLLLIBRARY='$(DLLLIBRARY)'"
 	@echo "python3_INSTSONAME='$(INSTSONAME)'"
 eof
                     eval "`cd ${PYTHON3_CONFDIR} && make -f "${tmp_mkf}" __ | sed '/ directory /d'`"
@@ -5645,6 +5650,9 @@
 fi
 
 
+      if test "X$python3_DLLLIBRARY" != "X"; then
+	python3_INSTSONAME="$python3_DLLLIBRARY"
+      fi
       PYTHON3_LIBS="${vi_cv_path_python3_plibs}"
       if test "${vi_cv_path_python3_pfx}" = "${vi_cv_path_python3_epfx}"; then
         PYTHON3_CFLAGS="-I${vi_cv_path_python3_pfx}/include/python${vi_cv_var_python3_version}${vi_cv_var_python3_abiflags} -DPYTHON3_HOME=L\\\"${vi_cv_path_python3_pfx}\\\""
diff --git a/src/configure.in b/src/configure.in
index 2ff0f90..5c14fc0 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -889,6 +889,7 @@
 	@echo "python_LIBS='$(LIBS)'"
 	@echo "python_SYSLIBS='$(SYSLIBS)'"
 	@echo "python_LINKFORSHARED='$(LINKFORSHARED)'"
+	@echo "python_DLLLIBRARY='$(DLLLIBRARY)'"
 	@echo "python_INSTSONAME='$(INSTSONAME)'"
 eof
 	    dnl -- delete the lines from make about Entering/Leaving directory
@@ -909,6 +910,9 @@
 	    fi
 	])
 
+	if test "X$python_DLLLIBRARY" != "X"; then
+	  python_INSTSONAME="$python_DLLLIBRARY"
+	fi
 	PYTHON_LIBS="${vi_cv_path_python_plibs}"
 	if test "${vi_cv_path_python_pfx}" = "${vi_cv_path_python_epfx}"; then
 	  PYTHON_CFLAGS="-I${vi_cv_path_python_pfx}/include/python${vi_cv_var_python_version} -DPYTHON_HOME=\\\"${vi_cv_path_python_pfx}\\\""
@@ -1082,6 +1086,7 @@
 	@echo "python3_BASEMODLIBS='$(BASEMODLIBS)'"
 	@echo "python3_LIBS='$(LIBS)'"
 	@echo "python3_SYSLIBS='$(SYSLIBS)'"
+	@echo "python3_DLLLIBRARY='$(DLLLIBRARY)'"
 	@echo "python3_INSTSONAME='$(INSTSONAME)'"
 eof
           dnl -- delete the lines from make about Entering/Leaving directory
@@ -1094,6 +1099,9 @@
           vi_cv_path_python3_plibs=`echo $vi_cv_path_python3_plibs | sed s/-lffi//`
       ])
 
+      if test "X$python3_DLLLIBRARY" != "X"; then
+	python3_INSTSONAME="$python3_DLLLIBRARY"
+      fi
       PYTHON3_LIBS="${vi_cv_path_python3_plibs}"
       if test "${vi_cv_path_python3_pfx}" = "${vi_cv_path_python3_epfx}"; then
         PYTHON3_CFLAGS="-I${vi_cv_path_python3_pfx}/include/python${vi_cv_var_python3_version}${vi_cv_var_python3_abiflags} -DPYTHON3_HOME=L\\\"${vi_cv_path_python3_pfx}\\\""
diff --git a/src/version.c b/src/version.c
index 61e9c0b..6ac2590 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    669,
+/**/
     668,
 /**/
     667,