Index: appveyor.yml
===================================================================
diff -u -r0ac8959153cfb66dfceba2e6fd538e12a544be87 -rce0feaa33aadc9950c9636a700378bc5e19629aa
--- appveyor.yml	(.../appveyor.yml)	(revision 0ac8959153cfb66dfceba2e6fd538e12a544be87)
+++ appveyor.yml	(.../appveyor.yml)	(revision ce0feaa33aadc9950c9636a700378bc5e19629aa)
@@ -48,6 +48,8 @@
   - if not exist "%MINGW_ARCHIVE%" appveyor DownloadFile "%MINGW_URL%" -FileName "%MINGW_ARCHIVE%"
   - 7z x -y "%MINGW_ARCHIVE%" > nul
   - if not exist "%TCLKIT%" appveyor DownloadFile "%TCLKIT_URL%" -FileName "%TCLKIT%"
+  - echo PWD=%CD%
+  - dir %MINGW_DIR%
 
 build_script:
   - if "%TOOLCHAIN%" == "autoconf-tea" set CHERE_INVOKING=1