Add extra-cmake-modules as requirement for Travis-CI

RedFantom · RedFantom · commit fed5689f03da · 2021-02-28T22:06:19.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -15,6 +15,7 @@ addons:
     - libfontconfig1-dev
     - cmake
     - cmake-data
+    - extra-cmake-modules
     - build-essential
 install:
 - python -m pip install nose scikit-build
