add preliminary premake4 support (next to cmake) mainly to auto-generate Visual Studio projectfiles that can be redistributed (with no dependency on cmake, premake)

msvc/premake4.lua

@@ -0,0 +1,77 @@
+--add the 0 so the solution comes first in the directory (when sorted on name)
+
+solution "0BulletSolution"
+
+	-- Multithreaded compiling
+	if _ACTION == "vs2010" or _ACTION=="vs2008" then
+		buildoptions { "/MP"  }
+	end 
+	
+	newoption {
+    trigger     = "with-nacl",
+    description = "Enable Native Client build"
+  }
+  
+  newoption {
+    trigger     = "with-dx11",
+    description = "Enable DirectX11 build"
+  }
+  
+  
+	configurations {"Release", "Debug"}
+	configuration "Release"
+		flags { "Optimize", "StaticRuntime", "NoMinimalRebuild", "FloatFast"}
+	configuration "Debug"
+		flags { "Symbols", "StaticRuntime" , "NoMinimalRebuild", "NoEditAndContinue" ,"FloatFast"}
+		
+	platforms {"x32", "x64"}
+
+	configuration "x64"		
+		targetsuffix "_64"
+	configuration {"x64", "debug"}
+		targetsuffix "_x64_debug"
+	configuration {"x64", "release"}
+		targetsuffix "_x64"
+	configuration {"x32", "debug"}
+		targetsuffix "_debug"
+
+  configuration {"Windows"}
+  	defines { "_CRT_SECURE_NO_WARNINGS","_CRT_SECURE_NO_DEPRECATE"}
+  
+	configuration{}
+
+
+
+if not _OPTIONS["with-nacl"] then
+		flags { "NoRTTI", "NoExceptions"}
+		defines { "_HAS_EXCEPTIONS=0" }
+		targetdir "../bin"
+else
+	targetdir "../bin_html"
+end
+
+
+	dofile ("findOpenCL.lua")
+	dofile ("findDirectX11.lua")
+	
+	language "C++"
+	
+	location("./" .. _ACTION)
+
+	if _OPTIONS["with-dx11"] then
+		include "../Demos/DX11ClothDemo"
+		include "../src/BulletMultiThreaded/GpuSoftBodySolvers/DX11"
+	end
+
+	if not _OPTIONS["with-dx11"] and not _OPTIONS["with-nacl"] then
+		include "../Demos"
+  	include "../Extras"
+  end
+  
+	include "../src/LinearMath"	
+	include "../src/BulletCollision"	
+	include "../src/BulletDynamics"	
+	include "../src/BulletSoftBody"	
+	
+
+