Re: Unable to cross build for Windows

[Eli Zaretskii]

> 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.