Re: MSVCRT.DLL is no longer stated as the "Known DLL"

On 4 January 2016 at 05:31, Keith Marshall
<[email protected]> wrote:
>
> On 03/01/16 19:47, Earnie wrote:
> > The read for MSVC 2015 removes the "Knwon DLL" wording.  Compare the
> > pages at
> > https://msdn.microsoft.com/en-us/library/abx4dbyh(v=vs.140).aspx and
> > https://msdn.microsoft.com/en-us/library/abx4dbyh(v=vs.120).aspx
> >
> > Just wanted to give a heads up to the changes in documentation.
>
> Unless MSVCRT.DLL no longer ships with Win10[*], I don't see how this is
> in any way relevant for us.  As a system DLL, use of MSVCRT.DLL is free
> to the extent of being GPL compatible; the other MSVCRxxx.DLL variants
> are not, and we prefer not to depend on them.
>
> The vs.140 reference suggests that the C runtime, formerly provided by
> MSVCRT.DLL, will henceforth be factored into UCRT.DLL, (which will be
> provided as a system DLL from Win10 onward), and VCRUNTIME<version>.DLL,
> (which will be a non-free MSVC component).  Thus, while MSVCRT.DLL
> remains available as a system DLL, it should remain as our preferred
> linking choice.
>
> [*] I don't have Win10, and have no intention of acquiring it, since I
> no longer work for a company which forces me to use any version of
> Windows; I am unable to personally confirm or deny the continued
> existence of MSVCRT.DLL, in any Windows version later than Win7.
>
> --
> Regards,
> Keith.

>From the page quoted, I do not see any implication that MSVCRT.DLL
will be removed from Windows 10. I think Microsoft just wants to
discourage the use of MSVCRT.DLL, which is really obsolete.

In the blog "Introducing the Universal CRT"
<URL:http://blogs.msdn.com/b/vcblog/archive/2015/03/03/introducing-the-universal-crt.aspx?PageIndex=2#comments>,
people actually commented:

  This is a good occasion for MinGW to switch from the horror of
msvcrt.dll to ucrtbase.dll

As MSVCRT has been broken regarding non-English support since Windows
Vista, I tend to agree. The new runtime seems to support older version
of Windows too. The gotcha is that some functions like memcpy is not
in ucrtbase.dll.

Best regards,

Yongwei

-- 
Wu Yongwei
URL: http://wyw.dcweb.cn/

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