libcec config deprecation: "SWIG_ADD_MODULE is deprecated. Use SWIG_ADD_LIBRARY instead."

[pgnd]

building libcec 4.0.4

git branch -a
	1 * (HEAD detached at libcec-4.0.4)
	2   master
	3   remotes/origin/HEAD -> origin/master
	4   remotes/origin/master
	5   remotes/origin/release

git log | head
	commit 3bbd4321618503d14008387a72fabb6743878831
	Author: Lars Op den Kamp <lars@opdenkamp.eu>
	Date:   Fri Dec 21 22:34:45 2018 +0100

	    bump to 4.0.4

	commit f7593243377687c84c27b4e0342b00bb2ef2efbc
	Author: Lars Op den Kamp <lars@opdenkamp.eu>
	Date:   Mon Dec 3 15:36:47 2018 +0100

with swig 3 installed,

dpkg --get-selections | grep swig
	swig                                            install
	swig3.0                                         install

apt-cache show swig swig3.0
	Package: swig
	Version: 3.0.12-2
	Architecture: armhf
	Maintainer: Torsten Landschoff <torsten@debian.org>
	Installed-Size: 316
	Depends: swig3.0 (>= 3.0.12-2)
	...
	Filename: pool/main/s/swig/swig_3.0.12-2_armhf.deb
	...

	Package: swig3.0
	Source: swig
	Version: 3.0.12-2
	Architecture: armhf
	Maintainer: Torsten Landschoff <torsten@debian.org>
	Installed-Size: 5294
	Depends: libc6 (>= 2.28), libgcc1 (>= 1:3.5), libpcre3, libstdc++6 (>= 4.3.0)
	...
	Filename: pool/main/s/swig/swig3.0_3.0.12-2_armhf.deb
	...

and

cmake --version
	cmake version 3.13.4

libcec config returns,

...
-- Found SWIG: /usr/bin/swig3.0 (found version "3.0.12")
CMake Deprecation Warning at /usr/share/cmake-3.13/Modules/UseSWIG.cmake:524 (message):
  SWIG_ADD_MODULE is deprecated.  Use SWIG_ADD_LIBRARY instead.
Call Stack (most recent call first):
  src/libcec/cmake/CheckPlatformSupport.cmake:190 (swig_add_module)
  src/libcec/CMakeLists.txt:134 (include)
...