Stefan Fiedler:

package/base/bzip2/bzip2.conf

@@ -20,6 +20,9 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-makeinstopt="$makeinstopt INSTROOT=$root"
-inmake="cp -v manual* bzip2.txt $docdir"
 MAKE="$MAKE PREFIX=$root USRPREFIX=$root/usr"
+makeinstopt="$makeinstopt INSTROOT=$root"
+inmake="cp -v manual* bzip2.txt $docdir; \
+	$MAKE -f Makefile-libbz2_so; \
+	ln -svf libbz2.so.1.0 libbz2.so.1; \
+	cp -a libbz2.so.* $root/usr/lib"