--- Makefile.in.old	2007-02-13 23:03:12.000000000 +0100
+++ Makefile.in	2007-02-13 23:03:22.000000000 +0100
@@ -15,6 +15,8 @@
 
 prefix = @prefix@
 
+exec_prefix=@prefix@
+
 libdir = @libdir@
 
 all: static shared
--- jacklaunch.in.old	2007-02-13 23:03:37.000000000 +0100
+++ jacklaunch.in	2007-02-13 23:03:53.000000000 +0100
@@ -26,6 +26,9 @@
 
 PREFIX=@prefix@
 
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+
 LIBDIR=@libdir@
 
 LD_PRELOAD_OLD=""