From 60a0f35fbc43e578ffa2ea06c2956380a4bff10b Mon Sep 17 00:00:00 2001
From: Christian Lang <40569665+langchr86@users.noreply.github.com>
Date: Thu, 13 Dec 2018 20:56:51 +0100
Subject: [PATCH] generated cmake command for flatc generation should depend on
 source file (#5087)

---
 CMake/FindFlatBuffers.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMake/FindFlatBuffers.cmake b/CMake/FindFlatBuffers.cmake
index 675ea8871..aad9a6bfb 100644
--- a/CMake/FindFlatBuffers.cmake
+++ b/CMake/FindFlatBuffers.cmake
@@ -45,6 +45,7 @@ if(FLATBUFFERS_FOUND)
       add_custom_command(OUTPUT ${FLATC_OUTPUT}
         COMMAND ${FLATBUFFERS_FLATC_EXECUTABLE}
         ARGS -c -o "${CMAKE_CURRENT_BINARY_DIR}/" ${FILE}
+        DEPENDS ${FILE}
         COMMENT "Building C++ header for ${FILE}"
         WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
     endforeach()