Description: Run the swig rebuild only for the current GSL versions.
 Rebuilding for older versions is not only a waste of time,
 it can fail because of changes in GSL headers etc.
Origin: vendor
Forwarded: not needed
Author: gregor herrmann <gregoa@debian.org>
Last-Update: 2020-06-11

--- a/inc/GSLBuilder.pm
+++ b/inc/GSLBuilder.pm
@@ -89,6 +89,7 @@
 
     foreach my $ver ( Ver2Func->versions( $cur_ver ) ) {
 
+        next unless $ver eq $cur_ver; # only rebuild for current GLS version
         print "Building wrappers for GSL $ver\n";
 
         my $ver2func = Ver2Func->new( $ver );