Added OpenAL-Soft 1.16.0.

libs/openal-soft/cmake/FindDSound.cmake

@@ -0,0 +1,33 @@
+# - Find DirectSound includes and libraries
+#
+#   DSOUND_FOUND        - True if DSOUND_INCLUDE_DIR & DSOUND_LIBRARY are found
+#   DSOUND_LIBRARIES    - Set when DSOUND_LIBRARY is found
+#   DSOUND_INCLUDE_DIRS - Set when DSOUND_INCLUDE_DIR is found
+#
+#   DSOUND_INCLUDE_DIR - where to find dsound.h, etc.
+#   DSOUND_LIBRARY     - the dsound library
+#
+
+find_path(DSOUND_INCLUDE_DIR
+          PATHS "${DXSDK_DIR}/include"
+          NAMES dsound.h
+          DOC "The DirectSound include directory"
+)
+
+find_library(DSOUND_LIBRARY
+             PATHS "${DXSDK_DIR}/lib"
+             NAMES dsound
+             DOC "The DirectSound library"
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(DSound
+    REQUIRED_VARS DSOUND_LIBRARY DSOUND_INCLUDE_DIR
+)
+
+if(DSOUND_FOUND)
+    set(DSOUND_LIBRARIES ${DSOUND_LIBRARY})
+    set(DSOUND_INCLUDE_DIRS ${DSOUND_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(DSOUND_INCLUDE_DIR DSOUND_LIBRARY)