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Overview
Comment:Make the MSVC batch build tool sub-routine 'fn_UnsetVariable' a bit more robust.
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SHA1: 1edd5f31b9e6f91bb5434055a539428c000f1084
User & Date: mistachkin 2016-01-27 23:50:14
Original Comment: Match the MSVC batch build tool sub-routine 'fn_UnsetVariable' a bit more robust.
Context
2016-01-28
00:04
Minor correction to the batch tool changes in the previous check-in. check-in: 7c89d75d user: mistachkin tags: trunk
2016-01-27
23:50
Make the MSVC batch build tool sub-routine 'fn_UnsetVariable' a bit more robust. check-in: 1edd5f31 user: mistachkin tags: trunk
07:28
Support building for Windows 10 desktop using 'MinCore.lib'. check-in: 4bf89891 user: mistachkin tags: trunk
Changes
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Changes to tool/build-all-msvc.bat.

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  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
    SET VALUE=%%V
  )
  ENDLOCAL && SET %2=%VALUE%
  GOTO :EOF

:fn_UnsetVariable
  IF NOT "%1" == "" (

    SET %1=
    CALL :fn_ResetErrorLevel
  )
  GOTO :EOF

:fn_AppendVariable
  SET __ECHO_CMD=ECHO %%%1%%
  IF DEFINED %1 (







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  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
    SET VALUE=%%V
  )
  ENDLOCAL && SET %2=%VALUE%
  GOTO :EOF

:fn_UnsetVariable
  SET VALUE=%1
  IF DEFINED VALUE (
    SET %VALUE%=
    CALL :fn_ResetErrorLevel
  )
  GOTO :EOF

:fn_AppendVariable
  SET __ECHO_CMD=ECHO %%%1%%
  IF DEFINED %1 (