CI: Incorporate workaround so as to support 64-bit VS 2008.

conda_smithy/feedstock_content/ci_support/vs2008/setup_x64.bat

@@ -0,0 +1,16 @@
+regedit /s x64\VC_OBJECTS_PLATFORM_INFO.reg
+
+regedit /s x64\600dd186-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd187-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd188-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\600dd189-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d875f-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8760-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8763-2429-11d7-8bf6-00b0d03daa06.reg
+regedit /s x64\656d8766-2429-11d7-8bf6-00b0d03daa06.reg
+
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\AMD64.VCPlatform.config" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\AMD64.VCPlatform.Express.config"
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\Itanium.VCPlatform.config" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\vcpackages\Itanium.VCPlatform.Express.config"
+
+md "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\amd64"
+copy "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\vcvars64.bat" "C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\amd64\vcvarsamd64.bat"

conda_smithy/templates/appveyor.yml.tmpl

@@ -48,6 +48,9 @@ install:
         Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { `
           throw "There are newer queued builds for this pull request, failing early." }
 
+    # Install workaround 64-bit support for VS 2008.
+    - cmd: if "%TARGET_ARCH%" == "x64" if "%CONDA_PY%" == "27" call ci_support\vs2008\setup_x64.bat
+
     # Cywing's git breaks conda-build. (See https://github.com/conda-forge/conda-smithy-feedstock/pull/2.)
     - cmd: rmdir C:\cygwin /s /q
     - appveyor DownloadFile "https://raw.githubusercontent.com/pelson/Obvious-CI/master/bootstrap-obvious-ci-and-miniconda.py"