anchor.diff:  @REM Build Windows package from tracktable source
  -set "CXX=cl.exe"
  -set "CC=cl.exe"
  +
  +REM This is a fix for a problem in Azure+CMake where CMake is finding a
  +REM different compiler (GCC, etc.) instead of MSVC
  +REM See: https://github.com/conda-forge/conda-forge.github.io/issues/714
  +@echo.
  +@echo CC: "%CC%" -^> "cl.exe"
  +set CC=cl.exe
  +@echo CXX: "%CXX%" -^> "cl.exe"
  +set CXX=cl.exe
  +
   echo ENVIRONMENT_VARS
   set
   mkdir build
  
positive.code:  -DBUILD_DOCUMENTATION=OFF^
   -DPython3_EXECUTABLE:FILEPATH=%PYTHON%^
   -DPython3_ROOT_DIR:PATH=%PREFIX%^
   %SRC_DIR%^
   -LA
  if errorlevel 1 exit 1
  
negative.code: if errorlevel 1 exit 1
  cd %PREFIX%
  %PYTHON% %SRC_DIR%/packaging/setup-generic.py install
  if errorlevel 1 exit 1
  