Re: Unable to cross build for Windows

[Torbjorn SVENSSON]

On 2023-06-08 16:14, Eli Zaretskii wrote:
> > Date: Thu, 8 Jun 2023 14:44:35 +0200
> > From: Torbjorn SVENSSON <torbjorn.svensson@foss.st.com>
> >
> > /build/gnu-make_4.4.1-45-g07fcee35/src/function.c: In function 
> > 'windows32_openpipe':
> > /build/gnu-make_4.4.1-45-g07fcee35/src/function.c:1676:12: error: cast from 
> > function call of type 'intptr_t {aka long long int}' to non-matching type 'void 
> > *' [-Werror=bad-function-cast]
> >      tmpErr = (HANDLE)_get_osfhandle (errfd);
> >               ^
> >
> >
> > /build/gnu-make_4.4.1-45-g07fcee35/src/job.c: In function 'create_batch_file':
> > /build/gnu-make_4.4.1-45-g07fcee35/src/job.c:365:3: error: format not a string 
> > literal and no format arguments [-Werror=format-security]
> >      O (fatal, NILF, error_string);
> >      ^
> >
> >
> > On the MSDN page for _get_osfhandle, they recommend to case the return value
> > to HANDLE, but GCC apparently thinks this is not allowed.
> > Any idea on how to get around this issue?
> >
> >
> > For the O()-macro; is it correct to use the macro with a variable?
> > Maybe it's more appropriate to fall fatal directly with the arguments?
>
> Is this with x86_64 being the target or i686?  I'm guessing the
> latter, since for 64-bit Windows 'long long' and 'void *' are of the
> same width.  If it's indeed for i686, are you sure the MinGW64 headers
> you have support 32-bit builds?  Because AFAIR MinGW64 tossed
> supported for old Windows versions, which basically means they don't
> support 32-bit Windows.

The idea is to have a 64-bit make application. I just included the i686
log for completeness.

If I can get a build going for x86_64-w64-mingw32, I would be okay with
ignoring whatever problems that are unique to the i686-w64-mingw32 target.