diff --git a/libraries/ois/gcc-4.7.patch b/libraries/ois/gcc-4.7.patch
new file mode 100644
index 0000000000..16c103b040
--- /dev/null
+++ b/libraries/ois/gcc-4.7.patch
@@ -0,0 +1,63 @@
+diff -Naur ois-v1-3.orig/demos/FFConsoleDemo.cpp ois-v1-3/demos/FFConsoleDemo.cpp
+--- ois-v1-3.orig/demos/FFConsoleDemo.cpp	2010-04-01 03:38:04.000000000 +0000
++++ ois-v1-3/demos/FFConsoleDemo.cpp	2012-07-10 02:40:07.339818611 +0000
+@@ -3,6 +3,7 @@
+ #include <math.h>
+ #include <cstdlib>
+ #include <iostream>
++#include <unistd.h>
+ #include <iomanip>
+ #include <ios>
+ #include <sstream>
+diff -Naur ois-v1-3.orig/demos/OISConsole.cpp ois-v1-3/demos/OISConsole.cpp
+--- ois-v1-3.orig/demos/OISConsole.cpp	2010-08-15 22:51:34.000000000 +0000
++++ ois-v1-3/demos/OISConsole.cpp	2012-07-10 02:38:39.624815796 +0000
+@@ -10,6 +10,7 @@
+ #include "OISForceFeedback.h"
+ 
+ #include <iostream>
++#include <unistd.h>
+ #include <vector>
+ #include <sstream>
+ 
+@@ -77,7 +78,7 @@
+ 	}
+ 	bool keyReleased( const KeyEvent &arg ) {
+ 		if( arg.key == KC_ESCAPE || arg.key == KC_Q )
+-			appRunning = false;
++			appRunning = false;
+ 		std::cout << "KeyReleased {" << ((Keyboard*)(arg.device))->getAsString(arg.key) << "}\n";
+ 		return true;
+ 	}
+diff -Naur ois-v1-3.orig/src/linux/LinuxForceFeedback.cpp ois-v1-3/src/linux/LinuxForceFeedback.cpp
+--- ois-v1-3.orig/src/linux/LinuxForceFeedback.cpp	2010-04-01 03:06:55.000000000 +0000
++++ ois-v1-3/src/linux/LinuxForceFeedback.cpp	2012-07-10 02:33:03.871465001 +0000
+@@ -33,7 +33,8 @@
+ #define OIS_LINUX_JOYFF_DEBUG 1
+ 
+ #ifdef OIS_LINUX_JOYFF_DEBUG
+-# include <iostream>
++#include <iostream>
++#include <unistd.h>
+   using namespace std;
+ #endif
+ 
+diff -Naur ois-v1-3.orig/src/linux/LinuxJoyStickEvents.cpp ois-v1-3/src/linux/LinuxJoyStickEvents.cpp
+--- ois-v1-3.orig/src/linux/LinuxJoyStickEvents.cpp	2010-07-26 01:28:41.000000000 +0000
++++ ois-v1-3/src/linux/LinuxJoyStickEvents.cpp	2012-07-10 02:27:07.663922138 +0000
+@@ -31,12 +31,13 @@
+ #include "OISException.h"
+ 
+ #include <fcntl.h>        //Needed to Open a file descriptor
+-#include <cassert>	
++#include <cassert>
+ #include <linux/input.h>
+ 
+ 
+ #include <sstream>
+-# include <iostream>
++#include <iostream>
++#include <unistd.h>
+ using namespace std;
+ 
+ using namespace OIS;
diff --git a/libraries/ois/ois.SlackBuild b/libraries/ois/ois.SlackBuild
index 60891771f4..8473686b5a 100644
--- a/libraries/ois/ois.SlackBuild
+++ b/libraries/ois/ois.SlackBuild
@@ -7,7 +7,7 @@
 PRGNAM=ois
 VERSION=${VERSION:-1.3.0}
 SRCVER=${SRCVER:-v1-3}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
 if [ -z "$ARCH" ]; then
@@ -52,6 +52,9 @@ find . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# Fix for gcc 4.7.x.
+patch -p1 < $CWD/gcc-4.7.patch
+
 [ ! -x ./bootstrap ] && chmod +x ./bootstrap
 ./bootstrap
 
diff --git a/libraries/ois/ois.info b/libraries/ois/ois.info
index 3f5fafc859..8850f27c88 100644
--- a/libraries/ois/ois.info
+++ b/libraries/ois/ois.info
@@ -7,4 +7,4 @@ DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 MAINTAINER="Larry Hajali"
 EMAIL="larryhaja[at]gmail[dot]com"
-APPROVED="dsomero"
+APPROVED="dsomero,Niels Horn"