Re: [PATCH 1/2] gnu: sdl: Allow dlopen for OpenGL.

[ludo@gnu.org (Ludovic Courtès)]

宋文武 <iyzsong@gmail.com> skribis:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> 宋文武 <iyzsong@gmail.com> skribis:
>>
>>> Fixes a regression introduced in 666aa99.
>>> Reported by Felipe López and David Thompson.
>>>
>>> * gnu/packages/sdl.scm (sdl)[inputs]: Add glu.
>>>   [arguments]<#:configure-flags>: Replace '--disable-sdl-dlopen' with
>>>   '--disable-alsa-shared --disable-pulseaudio-shared --disable-x11-shared'.
>>
>> [...]
>>
>>> --- a/gnu/packages/sdl.scm
>>> +++ b/gnu/packages/sdl.scm
>>> @@ -60,8 +60,11 @@
>>>      (build-system gnu-build-system)
>>>      (arguments
>>>       '(;; Explicitly link against shared libraries instead of dlopening them.
>>> -       ;; For X11, ALSA, PulseAudio, etc.
>>> -       #:configure-flags '("--disable-sdl-dlopen")
>>> +       ;; For X11, ALSA, and PulseAudio.
>>> +       ;; OpenGL library is still dlopened at runtime.
>>> +       #:configure-flags '("--disable-alsa-shared"
>>> +                           "--disable-pulseaudio-shared"
>>> +                           "--disable-x11-shared")
>>
>> So without these flags libpulse.so, libalsa.so, etc. are dlopened?
>> (“disable shared” is a bit misleading in the flag names.)
> Yes.

OK.  Could you change the comment to:

  Don’t dlopen X11, ALSA, and PulseAudio.

>>>      (native-inputs `(("pkg-config" ,pkg-config)))
>>>      (inputs `(("libxrandr" ,libxrandr)
>>>                ("mesa" ,mesa)
>>> +              ("glu" ,glu)
>>
>> Because of --disable-x11-shared, glu must be found at configure time,
>> right?
> No, without glu, SDL's configure reported with:
>   checking for OpenGL (GLX) support... no

OK.

OK to push with this tiny change, and sorry for the delay!

Thanks,
Ludo’.