I wrote:

> Ken Takata wrote:
> 
> > Hi Bram,
> > 
> > 2017/10/16 Mon 0:08:11 UTC+9 Bram Moolenaar wrote:
> > > This doesn't work properly.  The first problem is that running
> > > install.exe gives an error that filetype.vim cannot be found.  The code
> > > for this didn't change in years:
> > > 
> > >     sprintf(buf, "%s\\filetype.vim", installdir);
> > >     if (stat(buf, &st) < 0)
> > >     {
> > >   printf("ERROR: Cannot find filetype.vim in \"%s\"\n", installdir);
> > > 
> > > Is the library we build with, containing stat(), not compatible with XP?
> > 
> > I haven't tried, but it might be possible.
> > 
> > 
> > > When building install.exe with MSVC 2008 it works again.
> > > But then running Vim also appears to not work, the toolbar is missing,
> > > for example.  Building everything with MSVC 2008 fixes that.
> > 
> > This looks similar to the following problem:
> > https://groups.google.com/d/topic/vim_dev/ktON3sSR-zI/discussion
> > At that time, stat() returns an error when built by BCC5, and failed to show
> > menus, toolbars, etc.
> > 
> > 
> > > Anyone has an idea of how to make it work on Windows XP with MSVC 2015?
> > 
> > Maybe, there are some options:
> > 
> > 1. Implement our own stat() that can work on WinXP.
> >    (I don't want to do this, though.)
> > 
> > 2. Back to VC2008, and stop enabling if_tcl in the official installer.
> >    The reason why we have to use VC2015 is that ActiveTcl 8.6.6 requires it.
> >    If someone want to use if_tcl, they should use vim-win32-installer 
> > instead.
> >    I think this is the easiest solution.
> > 
> > 3. Back to VC2008.  Stop using tclstub86.lib from ActiveTcl 8.6.6 and use 
> > one
> >    built by ourself.  I haven't tried this, but hopefully the DLL from
> >    ActiveTcl 8.6.6 can be used.
> >    Someone who tried to use VC2017 needed to recompile tcl by himself:
> >    https://github.com/vim/vim/issues/2127#issuecomment-330505345
> > 
> > 4. Drop support for XP.  Maybe, you don't like this. ;-)
> 
> There are a few problem reports related to stat() on XP when building
> with MSVC 2015.  They suggest installing newer files.  I did update some
> files, but it did not appear to make a difference.  Not sure if I
> installed the wrong files, didn't register them, or whatever.  The MSDN
> remarks about this are very vague.
> 
> Another option would be to use MSVC 2013, which was reported to still
> work.  I don't know what the situation is with interfaces then.
> 
> I should also try the daily build installer on XP.  I'll do that when I
> have some time.

Amazingly, the win32 installer works on XP.  Thus there must be
something wrong with the way I have MSVC 2015 installed.  Now what would
that be...

The appveyor config just says "image: Visual Studio 2015".  I don't see
any other hint.

Can anyone guess what "the proper way" to install MSVC 2015 is?

-- 
"A mouse can be just as dangerous as a bullet or a bomb."
             (US Representative Lamar Smith, R-Texas)

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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