--- atanks-4.3.old/Makefile
+++ atanks-4.3/Makefile
@@ -1,17 +1,15 @@
 VERSION=3.9
-PREFIX = /usr/
-
-BINPREFIX = $(PREFIX)
-
-BINDIR = ${BINPREFIX}bin/
-INSTALLDIR = ${PREFIX}share/games/atanks
+PREFIX     = __META_PREFIX__/
+BINPREFIX  = $(PREFIX)
+BINDIR     = ${BINPREFIX}bin/
+INSTALLDIR = ${PREFIX}data
 
 export VERSION
 export PREFIX
 export INSTALLDIR
 
 FILENAME=atanks-${VERSION}
-INSTALL=$(PREFIX)bin/install -c
+INSTALL=install -c
 DISTCOMMON=atanks/*.dat atanks/COPYING atanks/README atanks/TODO atanks/Changelog atanks/BUGS atanks/*.txt
 INCOMMON=COPYING README TODO Changelog *.txt unicode.dat
 
--- atanks-4.3.old/src/Makefile
+++ atanks-4.3/src/Makefile
@@ -9,15 +9,15 @@
 LD=g++
 LIB=ar
 WINDRES=
-# FLAGS += -DDATA_DIR=\".\" -Wno-write-strings -DNETWORK -DTHREADS
-FLAGS += -DDATA_DIR=\"${INSTALLDIR}\"  -Wno-write-strings -DNETWORK -DTHREADS
+FLAGS += -DDATA_DIR=\"__META_PREFIX__/data\" -Wno-write-strings -DNETWORK -DTHREADS
+
 OUTPUT = ../atanks
 WFLAGS = 
 OFLAGS = 
 LFLAGS +=
 LDFLAGS =  `allegro-config --libs`
 
-CFLAGS += -g -Wall -Iinclude # -fprofile-arcs -ftest-coverage 
+CFLAGS += -O2 -Wall -Iinclude # -fprofile-arcs -ftest-coverage 
 
 SRCS  = $(MODULES:.o=.cpp)
 GLOBALS	= main.h imagedefs.h externs.h
--- atanks-4.3.old/src/main.h
+++ atanks-4.3/src/main.h
@@ -24,11 +24,10 @@
 #define VERSION "4.3"
 #endif
 
-#ifdef GENTOO
-#ifndef DATA_DIR
-#define DATA_DIR "/usr/share/games/atanks"
-#endif
+#ifdef  DATA_DIR
+#undef  DATA_DIR
 #endif
+#define DATA_DIR    "__META_PREFIX__/data"
 
 #ifndef BUFFER_SIZE
 #define BUFFER_SIZE 256
@@ -41,20 +40,21 @@
 #define _WARNUNUSED __attribute__ ((warn_unused_result))
 #endif // _WARNUNUSED
 
-#include <allegro.h>
-#ifdef WIN32
-#include <winalleg.h>
-#endif
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
 #include <string.h>
 #include <time.h>
-#include "imagedefs.h"
 
 #include <iostream>
 #include <fstream>
 
+#include <allegro.h>
+#ifdef WIN32
+#include <winalleg.h>
+#endif
+#include "imagedefs.h"
+
 #ifdef LINUX
 #include <unistd.h>
 #endif /* LINUX */