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Re: [Tinycc-devel] Outdated .def files

From: NightStrike
Subject: Re: [Tinycc-devel] Outdated .def files
Date: Sat, 18 Sep 2021 09:23:37 -0400

On Sat, Sep 18, 2021 at 8:37 AM Christian Jullien <eligis@orange.fr> wrote:
> Hi Grischka,
> I fact I processed differently. I was very disappointed to see that my code
> compiled by tcc reported "Windows 10" on "Windows 11" because kernel32.def
> lacks the few API I recently added for this purpose.
> Right after this push, I generated a kernel32.def from my Windows 10 machine
> to see what are the differences from the version in tcc repo.
> Diff is quite large as the latest kernel32.def is 3x times bigger.
> Now the right question is. If I need xx function present in Windows yy and
> not already in kernel32.def what should I do?
> An easy, but very egoist, solution is to generate new versions of .def form
> Windows yy kernel32.dll and use it **locally** to compile my project.
> But other people will have to do the same for their own projects.
> I have the impression that if you use a kernel32.def from a recent Windows
> version you can still dynamic link with kernel32.dll as long as you only use
> functions from this specific version.
> Hence, an old kernel32.def prevents to use more recent API while a very
> recent kernel32.def allows to use any version (but you may experience error
> at runtime if the function you use is not present in kernel32.dll).
> The most portable solution is of course to query function xx using
> LoadLibrary/GetProcAddress but is it very tedious if you have a large number
> of functions you want to use esp. if you target Windows versions all having
> xx function.
> There is no good solution but, IMHO, an updated kernel32.def gives more
> choices.

Why not just import def files from mingw-w64?  There's no need for
both of our projects to define them differently.

> -----Original Message-----
> From: grischka [mailto:grishka@gmx.de]
> Sent: Saturday, September 18, 2021 14:06
> To: jullien@eligis.com; tinycc-devel@nongnu.org
> Subject: Re: [Tinycc-devel] Outdated .def files
> Christian Jullien wrote:
> > Hi,
> > If I regenerate a kernel32.def out of kernel32.dll on my Windows 10 21H1
> > machine it is 3x times bigger that the one that currently comes with
> > tcc. (see enclosed)
> >
> > It means many kernel32 API are not directly available for tcc.
> >
> > It is probably the same with other .def files
> >
> > What do you advice ?
> >
> Hi Christian,
> didn't you already give the answer by your last commit that adds
> 3 functions to the kernel.def that we currently have.
> You would not have done that if you wanted to replace it all together
> with a newer version.
> Not at least since you recently did promise not to touch the push button
> until you actually did find the solution suited to stay for a decent
> while without further intervention from either yourself or from other
> people.

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