run vcvarsall to get devenv on path

diff --git a/appveyor.yml b/appveyor.yml
index 61532219b118bf329b7bbd89cadf7809b52cb013..a5fb8d548830858b0dd1dbddb53307f2ba3e2db6 100644 (file)
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -2,6 +2,7 @@
 clone_depth: 50
 
 build_script:
+  - '"%VS90COMNTOOLS%\..\..\VC\vcvarsall.bat" x86'
   - ps: Copy-item C:\projects\graphviz c:\graphviz-ms -recurse
 # download busybox-w32 and save it as wget.exe
   - ps: (new-object net.webclient).DownloadFile("ftp://ftp.tigress.co.uk/pub/gpl/6.0.0/busybox/busybox.exe", "C:\graphviz-ms\wget.exe")