--- configure
+++ configure
@@ -11728,10 +11769,43 @@
       $SED 's|/\([A-Za-z]:\)|\1|g'` ;;
   esac
   sys_lib_search_path_spec=`$ECHO "$lt_search_path_spec" | $lt_NL2SP`
 else
   sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  case $host_os in
+  winnt*)
+    sys_lib_search_path_spec=`$CC -print-search-dirs |
+      $AWK '/^libraries:/{sub(/^libraries: *=?/,""); print}'`
+    # The space separated shell string breaks on characters like blanks and
+    # parentheses often found in Windows directory names.  Fortunately, the
+    # 8.3 DOS format does not use these characters, but that might be disabled.
+    # First, convert to 8.3 DOS format to remove invalid characters eventually.
+    sys_lib_search_path_spec=`cygpath --path --dos "$sys_lib_search_path_spec"`
+    # Second, converting back to unix format does preserve 8.3 path parts.
+    sys_lib_search_path_spec=`cygpath --path --unix "$sys_lib_search_path_spec"`
+    # Finally, convert to the space separated list, but filter out path names
+    # with invalid characters: They were created while 8.3 DOS file name
+    # creation was disabled for that partition.
+    lt_search_path_spec=$sys_lib_search_path_spec
+    sys_lib_search_path_spec=
+    lt_save_ifs=$IFS;
+    IFS=$PATH_SEPARATOR
+    for lt_path in $lt_search_path_spec
+    do
+      IFS=$lt_save_ifs
+      case $lt_path in
+      *[' ()']*)
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: missing 8.3 path name to find libs in $lt_path" >&5
+$as_echo "$as_me: WARNING: missing 8.3 path name to find libs in $lt_path" >&2;}
+	continue
+	;;
+      esac
+      sys_lib_search_path_spec="$sys_lib_search_path_spec${sys_lib_search_path_spec:+ }$lt_path"
+    done
+    IFS=$lt_save_ifs
+    ;;
+  esac
 fi
 library_names_spec=
 libname_spec='lib$name'
 soname_spec=
 shrext_cmds=.so