[Buildroot] [PATCH 1/2] sdl_mixer: add FluidSynth support

[Paul Cercueil <paul@crapouillou.net>]

Hi Thomas,

Le dim. 12 juil. 2020 ? 15:56, Thomas Petazzoni 
<thomas.petazzoni@bootlin.com> a ?crit :
> On Thu,  2 Jul 2020 17:25:46 +0200
> Paul Cercueil <paul@crapouillou.net> wrote:
> 
>>  Add support for MIDI playback using FluidSynth.
>> 
>>  Signed-off-by: Paul Cercueil <paul@crapouillou.net>
>>  ---
>>   package/sdl_mixer/sdl_mixer.mk | 11 +++++++++++
>>   1 file changed, 11 insertions(+)
> 
> I've applied both patches, but I've changed a bit how the .mk file
> handles the option. After both patches, it looks like this:
> 
> ifeq ($(BR2_PACKAGE_FLUIDSYNTH),y)
> SDL_MIXER_DEPENDENCIES += fluidsynth
> SDL_MIXER_CONF_OPTS += \
> 	--enable-music-midi \
> 	--enable-music-fluidsynth-midi
> SDL_MIXER_HAS_MIDI = YES
> endif
> 
> ifeq ($(BR2_PACKAGE_SDL_MIXER_MIDI_TIMIDITY),y)
> SDL_MIXER_CONF_OPTS += \
> 	--enable-music-midi \
> 	--enable-music-timidity-midi
> SDL_MIXER_HAS_MIDI = YES
> endif
> 
> ifneq ($(SDL_MIXER_HAS_MIDI),YES)
> SDL_MIXER_CONF_OPTS += --disable-music-midi
> endif

It won't work then. --enable-music-midi automatically enables 
--enable-music-{native,fluidsynth,timidity}-midi, so these need to be 
manually disabled. Otherwise when you enable e.g. Fluidsynth, it will 
also enable Timidity even though the SDL_MIXER_MIDI_TIMIDITY option is 
OFF.

Cheers,
-Paul

> Thanks!
> 
> Thomas
> --
> Thomas Petazzoni, CTO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com