Re: master 1850121629 2/2: Avoid deprecation warning in NS-specific code

[Po Lu <luangruo@yahoo.com>]

Mattias Engdegård <mattiase@acm.org> writes:

> diff --git a/src/macfont.m b/src/macfont.m
> index f623c3ca2f..34e48afb98 100644
> --- a/src/macfont.m
> +++ b/src/macfont.m
> @@ -3570,7 +3570,10 @@ mac_font_create_preferred_family_for_attributes (CFDictionaryRef attributes)
>  
>        if (languages && CFArrayGetCount (languages) > 0)
>          {
> -          if (CTGetCoreTextVersion () >= kCTVersionNumber10_9)
> +          if ([[NSProcessInfo processInfo]
> +                isOperatingSystemAtLeastVersion:
> +                  ((NSOperatingSystemVersion){
> +                    .majorVersion = 10, .minorVersion = 9})])
>              values[num_values++] = CFArrayGetValueAtIndex (languages, 0);
>            else
>              {

Speaking of this, has anyone tried to adapt macfont to Opal (the free
implementation of Core Graphics and Core Text)?

I don't know how complete it is, but presumably we could reuse a great
deal of the layout machinery from GNUstep's NSLayoutManager, so that
part is taken care of at least.