Written by ponce@slackbuilds.org trying to build and fixing wherever necessary

diff -Naur SFML-1.6.orig/include/SFML/System/ResourcePtr.inl SFML-1.6/include/SFML/System/ResourcePtr.inl
--- SFML-1.6.orig/include/SFML/System/ResourcePtr.inl	2010-01-27 14:53:54.000000000 +0100
+++ SFML-1.6/include/SFML/System/ResourcePtr.inl	2012-09-23 19:19:33.736300968 +0200
@@ -22,6 +22,7 @@
 //
 ////////////////////////////////////////////////////////////
 
+#include <unistd.h>
 
 ////////////////////////////////////////////////////////////
 /// Default constructor
diff -Naur SFML-1.6.orig/src/SFML/Audio/Listener.cpp SFML-1.6/src/SFML/Audio/Listener.cpp
--- SFML-1.6.orig/src/SFML/Audio/Listener.cpp	2010-01-27 15:00:19.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/Listener.cpp	2012-09-23 19:23:25.645300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/Listener.hpp>
 #include <SFML/Audio/OpenAL.hpp>
 
diff -Naur SFML-1.6.orig/src/SFML/Audio/Music.cpp SFML-1.6/src/SFML/Audio/Music.cpp
--- SFML-1.6.orig/src/SFML/Audio/Music.cpp	2010-01-27 15:00:19.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/Music.cpp	2012-09-23 19:33:23.931300967 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/Music.hpp>
 #include <SFML/Audio/OpenAL.hpp>
 #include <SFML/Audio/SoundFile.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Audio/Sound.cpp SFML-1.6/src/SFML/Audio/Sound.cpp
--- SFML-1.6.orig/src/SFML/Audio/Sound.cpp	2010-01-27 15:00:19.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/Sound.cpp	2012-09-23 19:26:57.001300967 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/Sound.hpp>
 #include <SFML/Audio/SoundBuffer.hpp>
 #include <SFML/Audio/OpenAL.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Audio/SoundBuffer.cpp SFML-1.6/src/SFML/Audio/SoundBuffer.cpp
--- SFML-1.6.orig/src/SFML/Audio/SoundBuffer.cpp	2010-01-27 15:00:19.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/SoundBuffer.cpp	2012-09-23 19:29:59.239300967 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/SoundBuffer.hpp>
 #include <SFML/Audio/SoundFile.hpp>
 #include <SFML/Audio/Sound.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Audio/SoundBufferRecorder.cpp SFML-1.6/src/SFML/Audio/SoundBufferRecorder.cpp
--- SFML-1.6.orig/src/SFML/Audio/SoundBufferRecorder.cpp	2010-01-27 15:00:19.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/SoundBufferRecorder.cpp	2012-09-23 19:26:17.856300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/SoundBufferRecorder.hpp>
 #include <algorithm>
 #include <iterator>
diff -Naur SFML-1.6.orig/src/SFML/Audio/SoundStream.cpp SFML-1.6/src/SFML/Audio/SoundStream.cpp
--- SFML-1.6.orig/src/SFML/Audio/SoundStream.cpp	2010-03-18 14:14:46.000000000 +0100
+++ SFML-1.6/src/SFML/Audio/SoundStream.cpp	2012-09-23 19:34:43.477300968 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Audio/SoundStream.hpp>
 #include <SFML/Audio/AudioDevice.hpp>
 #include <SFML/Audio/OpenAL.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/Font.cpp SFML-1.6/src/SFML/Graphics/Font.cpp
--- SFML-1.6.orig/src/SFML/Graphics/Font.cpp	2010-03-18 14:14:41.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/Font.cpp	2012-09-23 19:32:06.580300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/Font.hpp>
 #include <SFML/Graphics/FontLoader.hpp>
 #include <iostream>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/Image.cpp SFML-1.6/src/SFML/Graphics/Image.cpp
--- SFML-1.6.orig/src/SFML/Graphics/Image.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/Image.cpp	2012-09-23 19:22:22.316300968 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/Image.hpp>
 #include <SFML/Graphics/ImageLoader.hpp>
 #include <SFML/Graphics/RenderWindow.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/PostFX.cpp SFML-1.6/src/SFML/Graphics/PostFX.cpp
--- SFML-1.6.orig/src/SFML/Graphics/PostFX.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/PostFX.cpp	2012-09-23 19:25:25.505300968 +0200
@@ -26,6 +26,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/PostFX.hpp>
 #include <SFML/Graphics/RenderWindow.hpp>
 #include <SFML/Graphics/GraphicsContext.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/RenderTarget.cpp SFML-1.6/src/SFML/Graphics/RenderTarget.cpp
--- SFML-1.6.orig/src/SFML/Graphics/RenderTarget.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/RenderTarget.cpp	2012-09-23 19:24:35.953300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/RenderTarget.hpp>
 #include <SFML/Graphics/Drawable.hpp>
 #include <SFML/Graphics/GraphicsContext.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/RenderWindow.cpp SFML-1.6/src/SFML/Graphics/RenderWindow.cpp
--- SFML-1.6.orig/src/SFML/Graphics/RenderWindow.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/RenderWindow.cpp	2012-09-23 19:28:40.236300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/RenderWindow.hpp>
 #include <SFML/Graphics/Drawable.hpp>
 #include <SFML/Graphics/Image.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/Sprite.cpp SFML-1.6/src/SFML/Graphics/Sprite.cpp
--- SFML-1.6.orig/src/SFML/Graphics/Sprite.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/Sprite.cpp	2012-09-23 19:27:41.924300968 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/Sprite.hpp>
 #include <SFML/Graphics/Image.hpp>
 #include <SFML/Graphics/GraphicsContext.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Graphics/String.cpp SFML-1.6/src/SFML/Graphics/String.cpp
--- SFML-1.6.orig/src/SFML/Graphics/String.cpp	2010-01-27 15:00:05.000000000 +0100
+++ SFML-1.6/src/SFML/Graphics/String.cpp	2012-09-23 19:31:08.332300966 +0200
@@ -25,6 +25,8 @@
 ////////////////////////////////////////////////////////////
 // Headers
 ////////////////////////////////////////////////////////////
+#include <unistd.h>
+#include <stddef.h>
 #include <SFML/Graphics/String.hpp>
 #include <SFML/Graphics/Image.hpp>
 #include <SFML/Graphics/GraphicsContext.hpp>
diff -Naur SFML-1.6.orig/src/SFML/Window/Linux/Joystick.cpp SFML-1.6/src/SFML/Window/Linux/Joystick.cpp
--- SFML-1.6.orig/src/SFML/Window/Linux/Joystick.cpp	2010-01-27 15:00:27.000000000 +0100
+++ SFML-1.6/src/SFML/Window/Linux/Joystick.cpp	2012-09-23 19:12:09.461300157 +0200
@@ -27,6 +27,7 @@
 ////////////////////////////////////////////////////////////
 #include <SFML/Window/Joystick.hpp>
 #include <sstream>
+#include <unistd.h>
 
 
 namespace sf