Fixed bug #830

Added pre-build step to generate required headers

VisualC/SDL/SDL.vcproj

@@ -25,6 +25,8 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
+				Description="Making sure basic SDL headers are in place..."
+				CommandLine="if exist $(SolutionDir)\..\include\SDL_config.h goto SDLCONFIGOKAY&#x0D;&#x0A;echo Copying SDL_config_win32.h to SDL_config.h...&#x0D;&#x0A;copy $(SolutionDir)\..\include\SDL_config_win32.h $(SolutionDir)\..\include\SDL_config.h&#x0D;&#x0A;:SDLCONFIGOKAY&#x0D;&#x0A;&#x0D;&#x0A;if exist $(SolutionDir)\..\include\SDL_revision.h goto SDLREVISIONOKAY&#x0D;&#x0A;echo Creating stub SDL_revision.h file...&#x0D;&#x0A;echo #define SDL_REVISION 0 &gt;$(SolutionDir)\..\include\SDL_revision.h&#x0D;&#x0A;:SDLREVISIONOKAY"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"
@@ -122,6 +124,8 @@
 			>
 			<Tool
 				Name="VCPreBuildEventTool"
+				Description="Making sure basic SDL headers are in place..."
+				CommandLine="if exist $(SolutionDir)\..\include\SDL_config.h goto SDLCONFIGOKAY&#x0D;&#x0A;echo Copying SDL_config_win32.h to SDL_config.h...&#x0D;&#x0A;copy $(SolutionDir)\..\include\SDL_config_win32.h $(SolutionDir)\..\include\SDL_config.h&#x0D;&#x0A;:SDLCONFIGOKAY&#x0D;&#x0A;&#x0D;&#x0A;if exist $(SolutionDir)\..\include\SDL_revision.h goto SDLREVISIONOKAY&#x0D;&#x0A;echo Creating stub SDL_revision.h file...&#x0D;&#x0A;echo #define SDL_REVISION 0 &gt;$(SolutionDir)\..\include\SDL_revision.h&#x0D;&#x0A;:SDLREVISIONOKAY"
 			/>
 			<Tool
 				Name="VCCustomBuildTool"