--- a/vcmake.bat	Mon Jun 11 09:50:00 2018 +0100
+++ b/vcmake.bat	Sun Dec 10 00:04:50 2017 +0000
@@ -1,18 +1,22 @@
-@REM -------
-@REM make using Microsoft Visual C compiler
-@REM type vcmake, and wait...
-@REM do not edit - automatically generated from ProjectDefinition
-@REM -------
-
-@if not defined VSINSTALLDIR (
-    pushd ..\rules
-    call vcsetup.bat
-    popd
-)
-@SET DEFINES=
-
-make.exe -N -f bc.mak -DUSEVC=1 %DEFINES% %*
-
-
-
-
+@REM -------
+@REM make using Microsoft Visual C compiler
+@REM type vcmake, and wait...
+@REM do not edit - automatically generated from ProjectDefinition
+@REM -------
+
+@if not defined VSINSTALLDIR (
+    pushd ..\rules
+    call vcsetup.bat
+    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% %*
+
+
+
+