--- a/vcmake.bat	Wed Oct 12 18:52:59 2011 +0200
+++ b/vcmake.bat	Wed Oct 12 18:53:03 2011 +0200
@@ -3,6 +3,10 @@
 @REM type vcmake, and wait...
 @REM do not edit - automatically generated from ProjectDefinition
 @REM -------
+
+@if not defined VSINSTALLDIR (
+        call "C:\Program Files\Microsoft Visual Studio 10.0"\VC\bin\vcvars32.bat
+)
 make.exe -N -f bc.mak -DUSEVC %1 %2