Thanks, that was helpful. In the meantime I solved it with
-Wno-bad-function-cast even if I often read, that the warning should not be
ignored.
Paul Eggert <egg...@cs.ucla.edu> schrieb am Mo., 12. Aug. 2024, 10:23:
> On 2024-08-11 17:55, Daniel Ruf via GNU gzip discussion and bug reports.
> wrote:
> > dup2.c:80:11: error: cast from function call of type 'intptr_t' {aka
> 'long
> > long int'} to non-matching type 'void *' [-Werror=bad-function-cast]
> > 80 | if ((HANDLE) _get_osfhandle (fd) == INVALID_HANDLE_VALUE)
> > | ^
> > cc1: all warnings being treated as errors
> > make[3]: *** [Makefile:2576: libgzip_a-dup2.o] Error 1
> > make[3]: Leaving directory
> > '/home/runner/work/gzip-windows-build/gzip-windows-build/gzip/lib'
> >
> > What are the correct steps to cross-compile for Windows on Ubuntu 20 LTS?
>
> Don't use -Wbad-function-cast or anything that implies it; or don't use
> -Werror.
>
> I guess you're building from Git rather than from a release? In that
> case more expertise is needed. Try configuring with
> --disable-gcc-warnings, or building with 'WERROR_CFLAGS=', or something
> like that.
>
