1 files changed, 5 insertions, 0 deletions
diff --git a/.travis.yml b/.travis.yml
index 11f9757..7ab855a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,6 +39,7 @@ addons:
     - libisl15
     - clang-7
     - srecord
+    - graphviz
 
 install:
  # Clone uboot-test-hooks
@@ -353,6 +354,10 @@ matrix:
     - name: "cppcheck"
       script:
         - cppcheck --force --quiet --inline-suppr .
+    # build HTML documentation
+    - name: "htmldocs"
+      script:
+        - make htmldocs
     # search for TODO within source tree
     - name: "grep TODO"
       script: