diff --git a/Demos3/premake4.lua b/Demos3/premake4.lua
new file mode 100644
index 000000000..d55d231f9
--- /dev/null
+++ b/Demos3/premake4.lua
@@ -0,0 +1,134 @@
+
+  
+    
+function createDemos( demos, incdirs, linknames)
+	for _, name in ipairs(demos) do
+				
+			project ( "App_" .. name )
+			
+			kind "ConsoleApp"
+			targetdir ".."
+	
+	  	includedirs {incdirs}
+	  
+		configuration { "Windows" }
+			defines { "GLEW_STATIC"}
+	 		links { "opengl32" }
+			includedirs{	"../Glut"	}
+	 		libdirs {"../Glut"}
+	 		files   { "../build/bullet.rc" }
+	 		
+	 		configuration {"Windows", "x32"}
+				links {"glew32s","glut32"}
+			configuration {"Windows", "x64"}
+				links {"glew64s", "glut64"}
+	
+		configuration {"MacOSX"}
+			--print "hello"
+	 		linkoptions { "-framework Carbon -framework OpenGL -framework AGL -framework Glut" } 
+		
+		configuration {"not Windows", "not MacOSX"}
+			links {"GL","GLU","glut"}
+		configuration{}
+	
+		links { 
+				linknames
+			}
+		
+		files     { 
+		 	"./" .. name .. "/*.cpp" ,
+		 	"./" .. name .. "/*.h"
+		 }
+	end
+end
+
+
+function createGpuDemos( demos, incdirs, linknames, vendor)
+	
+	hasCL = findOpenCL(vendor)
+	
+	if (hasCL) then
+	
+		for _, name in ipairs(demos) do
+					
+				project ( "App_" .. name .. "_" .. vendor)
+				
+				initOpenCL(vendor)
+				
+				kind "ConsoleApp"
+				targetdir ".."
+		
+				links {"Bullet3OpenCL_" .. vendor }
+				
+		  	includedirs {incdirs}
+		  
+				configuration { "Windows" }
+				defines { "GLEW_STATIC"}
+		 		links { "opengl32" }
+				includedirs{	"../Glut"	}
+		 		libdirs {"../Glut"}
+		 		files   { "../build/bullet.rc" }
+		 		
+		 		configuration {"Windows", "x32"}
+					links {"glew32s","glut32"}
+				configuration {"Windows", "x64"}
+					links {"glew64s", "glut64"}
+		
+			configuration {"MacOSX"}
+				--print "hello"
+		 		linkoptions { "-framework Carbon -framework OpenGL -framework AGL -framework Glut" } 
+			
+			configuration {"not Windows", "not MacOSX"}
+				links {"GL","GLU","glut"}
+			configuration{}
+		
+			links { 
+					linknames
+				}
+			
+			files     { 
+			 	"./" .. name .. "/*.cpp" ,
+			 	"./" .. name .. "/*.h"
+			 }
+		end
+	end
+end
+
+-- "CharacterDemo", fixme: it includes BspDemo files
+
+ local localdemos = {
+    "BasicDemo",
+  }
+  
+   local localgpudemos = {
+ 		"BasicGpuDemo",
+  }
+
+-- the following demos require custom include or link settings
+
+-- createDemos({"HelloWorld"},{"../src"},{"BulletDynamics","BulletCollision","LinearMath"})
+
+ createDemos(localdemos,{"../src","../Demos/OpenGL"},{"OpenGLSupport","BulletDynamics", "BulletCollision", "LinearMath"})
+ createGpuDemos(localgpudemos,{"../src","../Demos/OpenGL"},{"OpenGLSupport",
+ 					"Bullet3Dynamics","Bullet3Collision","Bullet3Geometry","Bullet3Common",
+ 					"BulletDynamics", "BulletCollision", "LinearMath"},
+ 					"NVIDIA")
+
+createGpuDemos(localgpudemos,{"../src","../Demos/OpenGL"},{"OpenGLSupport",
+ 					"Bullet3Dynamics","Bullet3Collision","Bullet3Geometry","Bullet3Common",
+ 					"BulletDynamics", "BulletCollision", "LinearMath"},
+ 					"AMD")
+
+createGpuDemos(localgpudemos,{"../src","../Demos/OpenGL"},{"OpenGLSupport",
+ 					"Bullet3Dynamics","Bullet3Collision","Bullet3Geometry","Bullet3Common",
+ 					"BulletDynamics", "BulletCollision", "LinearMath"},
+ 					"Intel") 					
+
+createGpuDemos(localgpudemos,{"../src","../Demos/OpenGL"},{"OpenGLSupport",
+ 					"Bullet3Dynamics","Bullet3Collision","Bullet3Geometry","Bullet3Common",
+ 					"BulletDynamics", "BulletCollision", "LinearMath"},
+ 					"Apple") 					
+ 					 				
+include "../Demos/OpenGL"
+ 
+