MIDI: add sndio midi backend

New sndio MIDI backend for OpenBSD written by Alexandre Ratchov.
Tested with an external MT-32 and fluidsynth.

1 files changed, 30 insertions, 0 deletions

diff --git a/configure b/configure
index 88dc161595..d310148f06 100755
--- a/configure
+++ b/configure
@@ -93,6 +93,7 @@ _flac=auto
 _mad=auto
 _alsa=auto
 _seq_midi=auto
+_sndio=auto
 _timidity=auto
 _zlib=auto
 _sparkle=auto
@@ -852,6 +853,9 @@ Optional Libraries:
   --with-libunity-prefix=DIR   Prefix where libunity is installed (optional)
   --disable-libunity           disable Unity launcher integration [autodetect]
 
+  --with-sndio-prefix=DIR  Prefix where sndio is installed (optional)
+  --disable-sndio          disable sndio MIDI driver [autodetect]
+
 Some influential environment variables:
   LDFLAGS        linker flags, e.g. -L<lib dir> if you have libraries in a
                  nonstandard directory <lib dir>
@@ -877,6 +881,8 @@ for ac_option in $@; do
 	--disable-alsa)           _alsa=no        ;;
 	--enable-seq-midi)        _seq_midi=yes   ;;
 	--disable-seq-midi)       _seq_midi=no    ;;
+	--enable-sndio)           _sndio=yes      ;;
+	--disable-sndio)          _sndio=no       ;;
 	--enable-timidity)        _timidity=yes   ;;
 	--disable-timidity)       _timidity=no    ;;
 	--enable-vorbis)          _vorbis=yes     ;;
@@ -937,6 +943,11 @@ for ac_option in $@; do
 		ALSA_CFLAGS="-I$arg/include"
 		ALSA_LIBS="-L$arg/lib"
 		;;
+	--with-sndio-prefix=*)
+		arg=`echo $ac_option | cut -d '=' -f 2`
+		SNDIO_CFLAGS="-I$arg/include"
+		SNDIO_LIBS="-L$arg/lib"
+		;;
 	--with-ogg-prefix=*)
 		arg=`echo $ac_option | cut -d '=' -f 2`
 		OGG_CFLAGS="-I$arg/include"
@@ -3258,6 +3269,25 @@ define_in_config_h_if_yes "$_seq_midi" 'USE_SEQ_MIDI'
 echo "$_seq_midi"
 
 #
+# Check for sndio
+#
+echocheck "sndio"
+if test "$_sndio" = auto ; then
+	_sndio=no
+	cat > $TMPC << EOF
+#include <sndio.h>
+int main(void) { struct sio_par par; sio_initpar(&par); return 0; }
+EOF
+	cc_check $SNDIO_CFLAGS $SNDIO_LIBS -lsndio && _sndio=yes
+fi
+if test "$_sndio" = yes ; then
+	LIBS="$LIBS $SNDIO_LIBS -lsndio"
+	INCLUDES="$INCLUDES $SNDIO_CFLAGS"
+fi
+define_in_config_h_if_yes "$_sndio" 'USE_SNDIO'
+echo "$_sndio"
+
+#
 # Check for TiMidity(++)
 #
 echocheck "TiMidity"