--- a/configure.old	2019-05-16 17:26:05.347560700 +0200
+++ b/configure	2019-05-16 17:30:25.478455770 +0200
@@ -1105,8 +1105,8 @@
 # This may be commented out if not required.
 $libtachyon_defines     = "-DVMDLIBTACHYON";
 $libtachyon_dir         = "$vmd_library_dir/tachyon";
-$libtachyon_include     = "-I$libtachyon_dir/include";
-$libtachyon_library     = "-L$libtachyon_dir/lib_$config_arch";
+$libtachyon_include     = "-Igentoo-libtachyon-include";
+$libtachyon_library     = "-Lgentoo-libtachyon-libs";
 $libtachyon_libs        = "-ltachyon";
 @libtachyon_cc          = ();
 @libtachyon_cu          = ();