kc3-lang/angle/src/copy_compiler_dll.bat

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• Hash : b633dc61
  Author :
  Date : 2015-01-28T12:29:53
  

  Avoid double copy of d3dcompiler_47.dll
  
  ninja expects the output of an action to update the timestamp, however
  a plain copy does not do this. So on a second run, ninja sees the
  timestamp of the copy .bat is newer than the dll (original publish date)
  so it re-copies. To avoid this, `touch` the dll on copy.
  
  BUG=453037
  Change-Id: Icb849d2b0faaceeccfc33e2eda509c835c9cdc93
  Reviewed-on: https://chromium-review.googlesource.com/244040
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Scott Graham <scottmg@chromium.org>
  

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• src/copy_compiler_dll.bat

• @echo off
  set _arch=%1
  set _arch=%_arch:Win32=x86%
  copy %2"\Redist\D3D\"%_arch%"\d3dcompiler_47.dll" %3 > NUL
  :: This is equivalent to `touch', see:
  :: https://technet.microsoft.com/en-us/library/bb490886.aspx
  :: This avoids rerunning because this batch file is also copied to the gen dir,
  :: so it's timestamp would otherwise be newer than the dll.
  copy /b %3\d3dcompiler_47.dll+,, %3\d3dcompiler_47.dll > NUL
  

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