add missing PIPEWIRE defines to SDL_config.h.in

also specify 'audio' in Pipepire configuration enable messages.

CMakeLists.txt

@@ -360,7 +360,7 @@ set_option(JACK                "Support the JACK audio API" ${UNIX_SYS})
 dep_option(JACK_SHARED         "Dynamically load JACK audio support" ON "JACK" OFF)
 set_option(ESD                 "Support the Enlightened Sound Daemon" ${UNIX_SYS})
 dep_option(ESD_SHARED          "Dynamically load ESD audio support" ON "ESD" OFF)
-set_option(PIPEWIRE            "Use Pipewire" ${UNIX_SYS})
+set_option(PIPEWIRE            "Use Pipewire audio" ${UNIX_SYS})
 dep_option(PIPEWIRE_SHARED     "Dynamically load Pipewire support" ON "PIPEWIRE" OFF)
 set_option(PULSEAUDIO          "Use PulseAudio" ${UNIX_SYS})
 dep_option(PULSEAUDIO_SHARED   "Dynamically load PulseAudio support" ON "PULSEAUDIO" OFF)

configure

@@ -676,10 +676,10 @@ RPI_CFLAGS
 FUSIONSOUND_LIBS
 FUSIONSOUND_CFLAGS
 ARTSCONFIG
-PIPEWIRE_LIBS
-PIPEWIRE_CFLAGS
 PULSEAUDIO_LIBS
 PULSEAUDIO_CFLAGS
+PIPEWIRE_LIBS
+PIPEWIRE_CFLAGS
 ESD_LIBS
 ESD_CFLAGS
 ESD_CONFIG
@@ -1611,7 +1611,7 @@ Optional Features:
   --enable-esd            support the Enlightened Sound Daemon [[default=yes]]
   --disable-esdtest       Do not try to compile and run a test ESD program
   --enable-esd-shared     dynamically load ESD audio support [[default=yes]]
-  --enable-pipewire       use Pipewire [[default=yes]]
+  --enable-pipewire       use Pipewire audio [[default=yes]]
   --enable-pipewire-shared
                           dynamically load Pipewire support [[default=yes]]
   --enable-pulseaudio     use PulseAudio [[default=yes]]

configure.ac

@@ -1021,7 +1021,7 @@ dnl Find Pipewire
 CheckPipewire()
 {
     AC_ARG_ENABLE(pipewire,
-AS_HELP_STRING([--enable-pipewire], [use Pipewire [[default=yes]]]),
+AS_HELP_STRING([--enable-pipewire], [use Pipewire audio [[default=yes]]]),
                   , enable_pipewire=yes)
     if test x$enable_audio = xyes -a x$enable_pipewire = xyes; then
         PKG_CHECK_MODULES([PIPEWIRE], [libpipewire-0.3 >= 0.3.20], audio_pipewire=yes, audio_pipewire=no)

include/SDL_config.h.in

@@ -284,6 +284,8 @@
 #undef SDL_AUDIO_DRIVER_OSS
 #undef SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H
 #undef SDL_AUDIO_DRIVER_PAUDIO
+#undef SDL_AUDIO_DRIVER_PIPEWIRE
+#undef SDL_AUDIO_DRIVER_PIPEWIRE_DYNAMIC
 #undef SDL_AUDIO_DRIVER_PULSEAUDIO
 #undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
 #undef SDL_AUDIO_DRIVER_QSA