--- a/vcmake.bat	Mon May 06 16:39:34 2013 +0200
+++ b/vcmake.bat	Mon May 06 16:39:35 2013 +0200
@@ -5,7 +5,9 @@
 @REM -------
 
 @if not defined VSINSTALLDIR (
-    call ..\rules\vcsetup.bat
+    pushd ..\rules
+    call vcsetup.bat
+    popd
 )
 make.exe -N -f bc.mak -DUSEVC %*