Index: Configure.pl
--- Configure.pl.orig
+++ Configure.pl
@@ -493,6 +493,10 @@ if (not $args{static} and $config{prefix} ne '/usr') {
 $config{moarlib} = sprintf $config{lib}, $NAME;
 $config{moardll} = sprintf $config{dll}, $NAME;
 
+if (exists $ENV{'SO_VERSION'}) {
+	$config{moardll} = $config{moardll} . "." . $ENV{'SO_VERSION'};
+}
+
 # setup flags for shared builds
 unless ($args{static}) {
     $config{objflags}  = '@ccdef@MVM_BUILD_SHARED @ccshared@';