Add ubuntu20.04-debug-build to CI

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 15fd0b8ce12b5c0f7741a7aa1b4c428e847e7c0c..4d3f969de3246b11157d94e006cea23b134b51bb 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -221,6 +221,15 @@ ubuntu18-04-build:
         - linux
     image: "graphviz/graphviz:ubuntu-18.04"
 
+ubuntu20-04-debug-build:
+    <<: *deb_build_definition
+    before_script:
+        - export CFLAGS="-DDEBUG"
+        - export CXXFLAGS="-DDEBUG"
+    tags:
+        - linux
+    image: "graphviz/graphviz:ubuntu-20.04"
+
 ubuntu19-10-build:
     <<: *deb_build_definition
     tags: