os: Visual Studio 2015

environment:
  PYTHON: C:\Python27
  matrix:
    - VS: C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat
      GD_PLATFORM: windows
      TOOLS: yes
      TARGET: release_debug
      ARCH: amd64

install:
  - SET "PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
  - pip install --egg scons  # it will fail on AppVeyor without --egg flag
  - if defined VS call "%VS%" %ARCH%  # if defined - so we can also use mingw

before_build:
  - echo %GD_PLATFORM%
  - python --version
  - scons --version
  - cl.exe

build_script:
- scons platform=%GD_PLATFORM% target=%TARGET% tools=%TOOLS%

Add AppVeyor CI file for MSVC builds
Add AppVeyor CI file for MSVC builds

This improves our compiler coverage in our CI builds.