[Bug 50811] gdi32.res fails to compile when freetype pkg-config cflags contain "-pthread"

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=50811

--- Comment #5 from Zebediah Figura  ---
(In reply to Rafał Mużyło from comment #3)
> I suspect the correct question here is: would you check output of
> 'pkg-config --cflags glib-2.0' ?
>
> That new part comes likely from glib being built with sysprof support (more
> exactly - being linked with sysprof-capture static lib (as that lib is
> static only)).
>
> This would have likely affected gstreamer too, but the relevant macro in
> configure.ac filters that out.

There's no need; the failure is due to freetype CFLAGS, not glib (which we
don't even link to), and config.log already shows that they contain -pthread.

It's a makedep bug, but not immediately clear to me how it should be fixed.