diff -urN ion2-0.1-orig/ion-2-20040207/system-ac.mk.in ion2-0.1/ion-2-20040207/system-ac.mk.in
--- ion2-0.1-orig/ion-2-20040207/system-ac.mk.in	2004-01-27 16:49:08 +0300
+++ ion2-0.1/ion-2-20040207/system-ac.mk.in	2004-02-18 17:24:15 +0300
@@ -7,30 +7,29 @@
 ## Installation paths
 ##
 
-prefix=@prefix@
 exec_prefix=@exec_prefix@
 
 # Unless you are creating a package conforming to some OS's standards, you
 # probably do not want to modify the following directories:
 
 # Main binaries
-BINDIR=@bindir@
+BINDIR=${prefix}/@bindir@
 # Configuration .lua files
-ETCDIR=@sysconfdir@/@PACKAGE_TARNAME@
+ETCDIR=${prefix}/@sysconfdir@/@PACKAGE_TARNAME@
 # Some .lua files and ion-* shell scripts
-SHAREDIR=@datadir@/@PACKAGE_TARNAME@
+SHAREDIR=${prefix}/@datadir@/@PACKAGE_TARNAME@
 # Manual pages
-MANDIR=@datadir@/man
+MANDIR=${prefix}/@datadir@/man
 # Some documents
-DOCDIR=@datadir@/doc/@PACKAGE_TARNAME@
+DOCDIR=${prefix}/@datadir@/doc/@PACKAGE_TARNAME@
 # Nothing at the moment
-INCDIR=@includedir@
+INCDIR=${prefix}/@includedir@
 # Nothing at the moment
-LIBDIR=@libdir@
+LIBDIR=${prefix}/@libdir@
 # Modules
-MODULEDIR=@libdir@/@PACKAGE_TARNAME@
+MODULEDIR=${prefix}/@libdir@/@PACKAGE_TARNAME@
 # ion-completefile (does not belong in SHAREDIR being a binary file)
-EXTRABINDIR=@libexecdir@/@PACKAGE_TARNAME@
+EXTRABINDIR=${prefix}/@libexecdir@/@PACKAGE_TARNAME@
 
 ##
 ## Modules