diff -Nur pth-2.0.7-orig/pth-config.in pth-2.0.7/pth-config.in
--- pth-2.0.7-orig/pth-config.in	2006-06-08 19:54:02.000000000 +0200
+++ pth-2.0.7/pth-config.in	2007-10-21 14:06:45.000000000 +0200
@@ -46,6 +46,19 @@
 help=no
 version=no
 
+arch=$(uname -i)
+case $arch in
+    x86_64 | ppc64 | ia64 | s390x | sparc64 | aarch64)
+        pth_ldlibdir="/usr/lib64"
+        if [ "$pth_libdir" == "/usr/lib" ] ; then
+            pth_libdir=${pth_libdir}64
+        fi
+        ;;
+    * )
+        pth_ldlibdir="/usr/lib"
+        ;;
+esac
+
 usage="pth-config"
 usage="$usage [--help] [--version] [--all]"
 usage="$usage [--prefix] [--exec-prefix] [--bindir] [--libdir] [--includedir] [--mandir] [--datadir] [--acdir]"
@@ -109,11 +122,15 @@
             output="$output $pth_acdir"
             ;;
         --cflags)
-            output="$output -I$pth_includedir"
+            if [ "$pth_includedir" != "/usr/include" ] ; then
+                output="$output -I$pth_includedir"
+            fi
             output_extra="$output_extra $pth_cflags"
             ;;
         --ldflags)
-            output="$output -L$pth_libdir"
+            if [ "$pth_libdir" != "$pth_ldlibdir" ] ; then
+                output="$output -L$pth_libdir"
+            fi
             output_extra="$output_extra $pth_ldflags"
             ;;
         --libs)