$NetBSD$

Replace "python3" with @PYTHONBIN@ (later substituted for the actual
path) so configure finds it.

--- configure.orig	2021-04-01 15:45:09.000000000 +0000
+++ configure
@@ -236,12 +236,12 @@
 }
 
 #
-# Test python3 and h5py
+# Test @PYTHONBIN@ and h5py
 #
-system('python3 -c "import h5py"');
+system('@PYTHONBIN@ -c "import h5py"');
 if ( $? ) {
-  print "\nPython3 and the h5py module is a pre-requisite for RepeatMasker.\n" 
-      . "Either python3 could not be found in your path or h5py is not installed.\n"
+  print "\n@PYTHONBIN@ and the h5py module is a pre-requisite for RepeatMasker.\n" 
+      . "Either @PYTHONBIN@ could not be found in your path or h5py is not installed.\n"
       . "Please very both before rerunning configure.\n\n";
 }