anchor.diff:  %DEVENV% portaudio.sln /upgrade
   %DEVENV% portaudio.sln /Build "Debug"
   %DEVENV% portaudio.sln /Build "Release"
  -echo "pa1"
  -copy options_cmake.h ..\include\pa_options_cmake.h
  -echo "pa2"
  +echo "portaudio built"
  +copy options_cmake.h ..\include\options_cmake.h
  +echo "portaudio options_cmake.h copied"
   cd %PWD%
   :Build_GLEW
   echo "start of building glew"
  
positive.code: echo "libpng built successfully"
  cd %BASEDIR%\deps\lpng166
  copy scripts\pnglibconf.h.prebuilt pnglibconf.h
  echo "libpng copied ok"
  :Build_LibOgg
  cd %PWD%
  cd ..\deps\libogg-1.3.1\win32
  
negative.code: %DEVENV% vorbis_static.sln /upgrade
  %DEVENV% vorbis_static.sln /Build "Debug"
  %DEVENV% vorbis_static.sln /Build "Release"
  echo "libvorbis built"
  mkdir ..\..\bin
  mkdir ..\..\bin\lib
  mkdir ..\..\bin\lib\debug
  mkdir ..\..\bin\lib\release
  copy Win32\Debug\*.lib ..\..\bin\lib\debug
  copy Win32\Release\*.lib ..\..\bin\lib\release
  echo "libvorbis copied"
  :Build_Portaudio
  cd %PWD%
  cd ..\deps\portaudio_v19
  