--- a/vcmake.bat	Mon Jan 11 22:31:49 2016 +0000
+++ b/vcmake.bat	Mon Jan 11 23:22:29 2016 +0000
@@ -10,8 +10,10 @@
     popd
 )
 @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% %*
 
 make.exe -N -f bc.mak -DUSEVC=1 %DEFINES% %*