add cmake Find for lws

diff --git a/FindLibWebSockets.cmake b/FindLibWebSockets.cmake
new file mode 100644 (file)
index 0000000..1dfe115
--- /dev/null
+++ b/FindLibWebSockets.cmake
@@ -0,0 +1,33 @@
+# This module tries to find libWebsockets library and include files
+#
+# LIBWEBSOCKETS_INCLUDE_DIR, path where to find libwebsockets.h
+# LIBWEBSOCKETS_LIBRARY_DIR, path where to find libwebsockets.so
+# LIBWEBSOCKETS_LIBRARIES, the library to link against
+# LIBWEBSOCKETS_FOUND, If false, do not try to use libWebSockets
+#
+# This currently works probably only for Linux
+
+FIND_PATH ( LIBWEBSOCKETS_INCLUDE_DIR libwebsockets.h
+    /usr/local/include
+    /usr/include
+)
+
+FIND_LIBRARY ( LIBWEBSOCKETS_LIBRARIES websockets
+    /usr/local/lib
+    /usr/lib
+)
+
+GET_FILENAME_COMPONENT( LIBWEBSOCKETS_LIBRARY_DIR ${LIBWEBSOCKETS_LIBRARIES} PATH )
+
+SET ( LIBWEBSOCKETS_FOUND "NO" )
+IF ( LIBWEBSOCKETS_INCLUDE_DIR )
+    IF ( LIBWEBSOCKETS_LIBRARIES )
+        SET ( LIBWEBSOCKETS_FOUND "YES" )
+    ENDIF ( LIBWEBSOCKETS_LIBRARIES )
+ENDIF ( LIBWEBSOCKETS_INCLUDE_DIR )
+
+MARK_AS_ADVANCED(
+    LIBWEBSOCKETS_LIBRARY_DIR
+    LIBWEBSOCKETS_INCLUDE_DIR
+    LIBWEBSOCKETS_LIBRARIES
+)
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