Started to merge @ZobyTwo cmake branch

CMakeModules/FindOpenSL.cmake

@@ -0,0 +1,29 @@
+# - Find OpenSL (actually OpenSLES)
+# Find the OpenSLES includes and libraries
+#
+#  OPENSL_INCLUDE_DIR - where to find dsound.h
+#  OPENSL_LIBRARIES   - List of libraries when using dsound.
+#  OPENSL_FOUND       - True if dsound found.
+
+if(OPENSL_INCLUDE_DIR)
+    # Already in cache, be silent
+    set(OPENSL_FIND_QUIETLY TRUE)
+endif(OPENSL_INCLUDE_DIR)
+
+find_path(OPENSL_INCLUDE_DIR SLES/OpenSLES.h)
+
+find_library(OPENSL_LIBRARY NAMES OpenSLES)
+
+# Handle the QUIETLY and REQUIRED arguments and set OPENSL_FOUND to TRUE if
+# all listed variables are TRUE.
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(OPENSL DEFAULT_MSG
+    OPENSL_INCLUDE_DIR OPENSL_LIBRARY)
+
+if(OPENSL_FOUND)
+    set(OPENSL_LIBRARIES ${OPENSL_LIBRARY})
+else(OPENSL_FOUND)
+    set(OPENSL_LIBRARIES)
+endif(OPENSL_FOUND)
+
+mark_as_advanced(OPENSL_INCLUDE_DIR OPENSL_LIBRARY)