diff -up jpilot-1.8.2/configure.confp jpilot-1.8.2/configure
--- jpilot-1.8.2/configure.confp	2014-05-18 05:45:22.000000000 +0200
+++ jpilot-1.8.2/configure	2014-06-10 21:20:35.326500429 +0200
@@ -15718,9 +15718,15 @@ fi
 abilib=$ABILIB
 if test "x$abilib" = "x"; then
 
+if (test `uname -m` = x86_64) then 
+cat >>confdefs.h <<_ACEOF
+#define ABILIB "lib64"
+_ACEOF
+else 
 cat >>confdefs.h <<_ACEOF
 #define ABILIB "lib"
 _ACEOF
+fi
 
 else