From: Eugeniy Meshcheryakov <eugen@debian.org>
Subject: Hardcode PLLIBDIR to swi-prolog on Debian
--- a/src/configure.in
+++ b/src/configure.in
@@ -216,7 +216,7 @@
 	      libdirversion=yes)
 
 if test "$libdirversion" = no; then
-   PLLIBDIR="$PL"
+   PLLIBDIR=swi-prolog
 else
    PLLIBDIR="$PL-$PLVERSION"
 fi