Audaspace: add support for PulseAudio on Linux

This adds PulseAudio as audio backend on Linux.
PulseAudio is the main audio engine used on most,
if not all, Linux distributions today.

Ref T86590

source/blender/python/intern/bpy_app_build_options.c

@@ -50,6 +50,7 @@ static PyStructSequence_Field app_builtopts_info_fields[] = {
     {"sdl", NULL},
     {"sdl_dynload", NULL},
     {"jack", NULL},
+    {"pulseaudio", NULL},
     {"libmv", NULL},
     {"mod_oceansim", NULL},
     {"mod_remesh", NULL},
@@ -217,6 +218,12 @@ static PyObject *make_builtopts_info(void)
   SetObjIncref(Py_False);
 #endif
 
+#ifdef WITH_PULSEAUDIO
+  SetObjIncref(Py_True);
+#else
+  SetObjIncref(Py_False);
+#endif
+
 #ifdef WITH_LIBMV
   SetObjIncref(Py_True);
 #else