Added OpenAL-Soft 1.16.0.

libs/openal-soft/cmake/FindSoundIO.cmake

@@ -0,0 +1,32 @@
+# - Find SoundIO (sndio) includes and libraries
+#
+#   SOUNDIO_FOUND        - True if SOUNDIO_INCLUDE_DIR & SOUNDIO_LIBRARY are
+#                          found
+#   SOUNDIO_LIBRARIES    - Set when SOUNDIO_LIBRARY is found
+#   SOUNDIO_INCLUDE_DIRS - Set when SOUNDIO_INCLUDE_DIR is found
+#
+#   SOUNDIO_INCLUDE_DIR - where to find sndio.h, etc.
+#   SOUNDIO_LIBRARY     - the sndio library
+#
+
+find_path(SOUNDIO_INCLUDE_DIR
+          NAMES sndio.h
+          DOC "The SoundIO include directory"
+)
+
+find_library(SOUNDIO_LIBRARY
+             NAMES sndio
+             DOC "The SoundIO library"
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SoundIO
+    REQUIRED_VARS SOUNDIO_LIBRARY SOUNDIO_INCLUDE_DIR
+)
+
+if(SOUNDIO_FOUND)
+    set(SOUNDIO_LIBRARIES ${SOUNDIO_LIBRARY})
+    set(SOUNDIO_INCLUDE_DIRS ${SOUNDIO_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(SOUNDIO_INCLUDE_DIR SOUNDIO_LIBRARY)