show build status in readme

README.md

@@ -4,7 +4,9 @@
 [![libgltf document](https://readthedocs.org/projects/libgltf/badge/?version=latest)](http://libgltf.rtfd.io/)
 [![visit milestones](https://img.shields.io/badge/visit-milestones-blue.svg?style=flat)](https://github.com/code4game/libgltf/milestones)
 
-[![Build status in azure](https://dev.azure.com/code4game/libgltf/_apis/build/status/code4game.libgltf)](https://dev.azure.com/code4game/libgltf/_build/latest?definitionId=1)
+[![build with draco](https://github.com/code4game/libgltf/workflows/build%20with%20draco/badge.svg)](https://github.com/code4game/libgltf/actions?query=workflow%3A%22build+with+draco%22)
+[![build](https://github.com/code4game/libgltf/workflows/build/badge.svg)](https://github.com/code4game/libgltf/actions?query=workflow%3Abuild)
+
 [![Coverage status from coveralls](https://coveralls.io/repos/github/code4game/libgltf/badge.svg?branch=master)](https://coveralls.io/github/code4game/libgltf?branch=master)
 [![Codacy](https://api.codacy.com/project/badge/Grade/fa7ee9a5bc9b4befb703298ca721bc9a)](https://www.codacy.com/app/code4game/libgltf?utm_source=github.com&utm_medium=referral&utm_content=code4game/libgltf&utm_campaign=Badge_Grade)
 [![CII best practices](https://bestpractices.coreinfrastructure.org/projects/1434/badge)](https://bestpractices.coreinfrastructure.org/projects/1434)

source/libgltf/CMakeLists.txt

@@ -81,6 +81,9 @@ if(LIBGLTF_USE_GOOGLE_DRACO)
         PRIVATE ${GOOGLE_DRACO_PATH_INCLUDE}
         PRIVATE ${GOOGLE_DRACO_PATH_BUILD})
     add_definitions(-DLIBGLTF_USE_GOOGLE_DRACO)
+    if(LIBGLTF_USE_GOOGLE_DRACO_SUBMODULE)
+        add_dependencies(libgltf dracodec)
+    endif()
 endif()
 
 if(${LIBGLTF_PLATFORM_WINDOWS})