[FFmpeg-devel] [PATCH] configure: force _WIN32_WINNT >= 0x0502 on mingw32 targets

[Hendrik Leppkes]

On Fri, Aug 19, 2016 at 8:39 PM, James Almer <jamrial at gmail.com> wrote:
> Windows versions earlier than XP are not supported.
>
> Should fix compilation of command line tools.
>
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  configure | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/configure b/configure
> index 9b92426..2a2c06e 100755
> --- a/configure
> +++ b/configure
> @@ -4919,6 +4919,8 @@ probe_libc(){
>              (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
>              die "ERROR: MinGW32 runtime version must be >= 3.15."
>          add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1
> +        check_${pfx}cpp_condition _mingw.h "defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0502" ||
> +            add_${pfx}cppflags -D_WIN32_WINNT=0x0502
>          eval test \$${pfx_no_}cc_type = "gcc" &&
>              add_${pfx}cppflags -D__printf__=__gnu_printf__
>      elif check_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
> --
> 2.9.1

Does that actually work? libav suggested such a patch, but they
defined another variable to unlock new functions.

- Hendrik