diff -up src/ion-3-20090110/system.mk.orig src/ion-3-20090110/system.mk
--- src/ion-3-20090110/system.mk.orig	2009-01-09 15:20:27.000000000 -0700
+++ src/ion-3-20090110/system.mk	2015-07-15 05:00:19.000000000 -0600
@@ -8,7 +8,7 @@
 
 # Installation path prefix. Unless you know what you're doing, the default
 # of /usr/local is likely the correct choice.
-PREFIX=/usr/local
+PREFIX=/usr
 
 # Unless you are creating a package conforming to some OS's standards, you
 # probably do not want to modify the following directories:
@@ -16,7 +16,7 @@ PREFIX=/usr/local
 # Main binaries
 BINDIR=$(PREFIX)/bin
 # Configuration .lua files
-ETCDIR=$(PREFIX)/etc/ion3
+ETCDIR=/etc/ion3
 # Some .lua files and ion-* shell scripts
 SHAREDIR=$(PREFIX)/share/ion3
 # Manual pages
@@ -62,18 +62,18 @@ DL_LIBS=-ldl
 
 # If you have installed Lua 5.1 from the official tarball without changing
 # paths, this should do it.
-LUA_DIR=/usr/local
-LUA_LIBS = -L$(LUA_DIR)/lib -llua
-LUA_INCLUDES = -I$(LUA_DIR)/include
-LUA=$(LUA_DIR)/bin/lua
-LUAC=$(LUA_DIR)/bin/luac
+LUA_DIR=/usr
+#LUA_LIBS = -L$(LUA_DIR)/lib -llua
+#LUA_INCLUDES = -I$(LUA_DIR)/include
+#LUA=$(LUA_DIR)/bin/lua
+#LUAC=$(LUA_DIR)/bin/luac
 
 # If you are using the Debian packages, the following settings should be
 # what you want.
-#LUA_LIBS=`pkg-config --libs lua5.1`
-#LUA_INCLUDES=`pkg-config --cflags lua5.1`
-#LUA=/usr/bin/lua5.1
-#LUAC=/usr/bin/luac5.1
+LUA_LIBS=`pkg-config --libs lua51`
+LUA_INCLUDES=`pkg-config --cflags lua51`
+LUA=/usr/bin/lua5.1
+LUAC=/usr/bin/luac5.1
 
 
 ##
@@ -127,7 +127,7 @@ DEFINES += -DCF_XFREE86_TEXTPROP_BUG_WOR
 # You may uncomment this if you know that your system C libary provides
 # asprintf and  vasprintf. (GNU libc does.) If HAS_SYSTEM_ASPRINTF is not
 # defined, an implementation provided in libtu/sprintf_2.2/ is used. 
-#HAS_SYSTEM_ASPRINTF=1
+HAS_SYSTEM_ASPRINTF=1
 
 # The following setting is needed with GNU libc for clock_gettime and the
 # monotonic clock. Other systems may not need it, or may not provide a
@@ -207,7 +207,7 @@ RANLIB=ranlib
 ## Install & strip
 ##
 
-INSTALL=sh $(TOPDIR)/install-sh -c
+INSTALL=install
 INSTALL_STRIP=-s
 INSTALLDIR=mkdir -p