Follow General Conventions for Makefiles.

Makefile

@@ -0,0 +1,31 @@
+SHELL = /bin/sh
+PREFIX = /usr/local
+
+all:
+
+install:
+	install etc/X11/* /etc/X11
+	install etc/init.d/* /etc/init.d
+	install bin/* ${PREFIX}/bin
+	install sbin/* ${PREFIX}/sbin
+	install lib64/*.so ${PREFIX}/lib64
+	install -d ${PREFIX}/lib64/snail
+	ln -sf /usr/lib64/opengl/nvidia/extensions ${PREFIX}/lib64/snail/extensions
+	install -d ${PREFIX}/lib64/snail/modules
+	ln -sf /usr/lib64/xorg/modules/drivers ${PREFIX}/lib64/snail/modules/drivers
+	ln -sf /usr/lib64/xorg/modules/extensions ${PREFIX}/lib64/snail/modules/extensions
+	ln -sf /usr/lib64/xorg/modules/libfb.so ${PREFIX}/lib64/snail/modules/libfb.so
+	ln -sf /usr/lib64/xorg/modules/libwfb.so ${PREFIX}/lib64/snail/modules/libwfb.so
+
+uninstall:
+	rm -f /etc/X11/xorg.conf.*.snail
+	rm -f /etc/init.d/snail-*
+	rm -f ${PREFIX}/lib64/libdlfaker.so
+	rm -f ${PREFIX}/lib64/libgefaker.so
+	rm -f ${PREFIX}/lib64/librrfaker.so
+	rm -rf ${PREFIX}/lib64/snail
+	rm -f ${PREFIX}/bin/nvrun
+	rm -f ${PREFIX}/bin/snail.vglrun
+	rm -f ${PREFIX}/sbin/snail.nv_pwr_off
+	rm -f ${PREFIX}/sbin/snail.nv_pwr_on
+	rm -f ${PREFIX}/sbin/snail.watcher.sh

sbin/snail.configure

@@ -1,6 +1,4 @@
-#!/bin/sh
-
-PREFIX=/usr/local
+#!/bin/bash
 
 # Tell the system to use xorg-x11 OpenGL libraries and nVidia GLX extensions
 eselect opengl set xorg-x11

snail.uninstall

@@ -1,34 +0,0 @@
-#!/bin/sh
-
-# Tell the system to use both xorg-x11 OpenGL and GLX libraries
-eselect opengl set xorg-x11
-
-# Restore xorg.conf.* files from backups
-[ -f /etc/X11/xorg.conf.snail-bkp ] && rm -f /etc/X11/xorg.conf && mv /etc/X11/xorg.conf.snail-bkp /etc/X11/xorg.conf
-[ -f /etc/X11/xorg.conf.intel.snail-bkp ] && rm -f /etc/X11/xorg.conf.intel && mv /etc/X11/xorg.conf.intel.snail-bkp /etc/X11/xorg.conf.intel
-[ -f /etc/X11/xorg.conf.nvidia.snail-bkp ] && rm -f /etc/X11/xorg.conf.nvidia && mv /etc/X11/xorg.conf.nvidia.snail-bkp /etc/X11/xorg.conf.nvidia
-
-# Remove backup files
-for f in "" .intel .nvidia ; do
-	rm -f /etc/X11/xorg.conf${f}.snail-bkp
-done
-
-# Remove all Snail files
-rm -f /etc/X11/xorg.conf.intel.snail
-rm -f /etc/X11/xorg.conf.nvidia
-rm -f /etc/init.d/snail-watcher
-rm -f /etc/init.d/snail-xserver
-rm -f /usr/local/bin/nvrun
-rm -f /usr/local/bin/snail.vglrun
-rm -f /usr/local/lib64/libdlfaker.so
-rm -f /usr/local/lib64/libgefaker.so
-rm -f /usr/local/lib64/librrfaker.so
-rm -f /usr/local/lib64/snail/extensions
-rm -f /usr/local/lib64/snail/modules/drivers
-rm -f /usr/local/lib64/snail/modules/extensions
-rm -f /usr/local/lib64/snail/modules/libfb.so
-rm -f /usr/local/lib64/snail/modules/libwfb.so
-rmdir /usr/local/lib64/snail/modules 2>/dev/null
-rm -f /usr/local/sbin/snail.nv_pwr_off
-rm -f /usr/local/sbin/snail.nv_pwr_on
-rm -f /usr/local/sbin/snail.watcher