use the 'portable dumper' to resolve build problems under at least Solaris 8

xemacs/xemacs.spec

@@ -38,7 +38,7 @@ Class:        EVAL
 Group:        Editor
 License:      GPL
 Version:      %{V_xemacs}
-Release:      20040206
+Release:      20040421
 
 #   package options
 %option       with_gtk      yes
@@ -114,7 +114,8 @@ AutoReqProv:  no
         --with-jpeg \
         --with-tiff \
         --with-png \
-        --with-xpm
+        --with-xpm \
+        --pdump
 
     #   build package
     %{l_make} %{l_mflags}