--- a/vcmake.bat	Wed Feb 05 20:32:12 2014 +0100
+++ b/vcmake.bat	Wed Feb 05 20:32:13 2014 +0100
@@ -9,6 +9,12 @@
     call vcsetup.bat
     popd
 )
-make.exe -N -f bc.mak -DUSEVC %*
+@SET DEFINES=
+@REM Kludge got Mercurial, cannot be implemented in Borland make
+@FOR /F "tokens=*" %%i in ('hg root') do SET HGROOT=%%i
+@IF "%HGROOT%" NEQ "" SET DEFINES=%DEFINES% "-DHGROOT=%HGROOT%"
+make.exe -N -f bc.mak -DUSEVC=1 %DEFINES% %*
 
 
+
+