Index: /branches/ccl_branches/ipp-20190806/psconfig/pscheckperl
===================================================================
--- /branches/ccl_branches/ipp-20190806/psconfig/pscheckperl	(revision 40913)
+++ /branches/ccl_branches/ipp-20190806/psconfig/pscheckperl	(revision 40914)
@@ -154,7 +154,9 @@
 	# perl Makefile.PL PREFIX=`psconfig --prefix VERSION` LIB=`psconfig --perldir VERSION`
 	# where VERSION is e.g., ipp-1804 (install version, not build version like ipp-3.3)
+        # CCL 2019.10.07 Only one of PREFIX or INSTALL_BASE can be given. Not both. 
+        # so removed PREFIX
         if ($prompts) {
             @answers = split (",", $prompts);
-            open (PIPE, "|perl Makefile.PL PREFIX=$prefix LIB=$perldir $buildopts");
+            open (PIPE, "|perl Makefile.PL LIB=$perldir $buildopts");
             foreach $answer (@answers) {
                 print PIPE "$answer\n";
@@ -162,5 +164,5 @@
             close (PIPE);
         } else {
-            vsystem ("perl Makefile.PL PREFIX=$prefix LIB=$perldir $buildopts");
+            vsystem ("perl Makefile.PL LIB=$perldir $buildopts");
         }
         vsystem ("make < /dev/null");