--- ./Imakefile.orig	1992-07-29 02:07:09.000000000 +0200
+++ ./Imakefile	2014-03-30 13:17:18.829823790 +0200
@@ -13,7 +13,7 @@
 #NO_GETDTABSIZE = -DNO_GETDTABSIZE
 
 #PROGNAME	= $(LIBDIR)$(PATHSEP)xvier_prog
-PROGNAME	= /usr/games/lib/xvier_prog
+PROGNAME	= $(PREFIX)/libexec/xvier_prog
 DEFINES		= $(XVIER_ASPECT) $(NO_FD_SET) $(NO_SELECT) \
 			$(NO_GETDTABSIZE) -DPROGNAME=\"$(PROGNAME)\"