Allow building with sndio support on more systems than just OpenBSD (L…

…MMS#4486)

Sndio also supports FreeBSD and Linux.

CMakeLists.txt

@@ -56,6 +56,7 @@ OPTION(WANT_MP3LAME	"Include MP3/Lame support" ON)
 OPTION(WANT_OGGVORBIS	"Include OGG/Vorbis support" ON)
 OPTION(WANT_PULSEAUDIO	"Include PulseAudio support" ON)
 OPTION(WANT_PORTAUDIO	"Include PortAudio support" ON)
+OPTION(WANT_SNDIO	"Include sndio support" ON)
 OPTION(WANT_SOUNDIO	"Include libsoundio support" ON)
 OPTION(WANT_SDL		"Include SDL (Simple DirectMedia Layer) support" ON)
 OPTION(WANT_SF2		"Include SoundFont2 player plugin" ON)
@@ -86,6 +87,7 @@ IF(LMMS_BUILD_WIN32)
 	SET(WANT_JACK OFF)
 	SET(WANT_PULSEAUDIO OFF)
 	SET(WANT_PORTAUDIO OFF)
+	SET(WANT_SNDIO OFF)
 	SET(WANT_SOUNDIO OFF)
 	SET(WANT_WINMM ON)
 	SET(LMMS_HAVE_WINMM TRUE)
@@ -428,15 +430,15 @@ IF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD)
 	FIND_PACKAGE(Threads)
 ENDIF(LMMS_BUILD_LINUX OR LMMS_BUILD_APPLE OR LMMS_BUILD_OPENBSD)
 
-IF(LMMS_BUILD_OPENBSD)
+IF(WANT_SNDIO)
 	FIND_PACKAGE(Sndio)
 	IF(SNDIO_FOUND)
 		SET(LMMS_HAVE_SNDIO TRUE)
         	SET(STATUS_SNDIO "OK")
     	ELSE()
         	SET(STATUS_SNDIO "<not found or not supported on this platform>")
 	ENDIF(SNDIO_FOUND)
-ENDIF(LMMS_BUILD_OPENBSD)
+ENDIF(WANT_SNDIO)
 
 # check for WINE
 IF(WANT_VST)