CI: nightly job can do validation

.gitlab-ci.yml

@@ -14,6 +14,7 @@ variables:
   - 'time make -k -j$CPU_CORES TIMED=y 2>&1 | tee build-log.txt'
   - 'if fgrep Axiom build-log.txt >/dev/null; then exit 1; fi'
   - 'cat build-log.txt | egrep "[a-zA-Z0-9_/-]+ \((real|user): [0-9]" | tee build-time.txt'
+  - 'if test -n "$VALIDATE"; then make validate; fi'
   cache:
     key: "$CI_JOB_NAME"
     paths:
@@ -40,9 +41,17 @@ build-coq.8.6.1:
   except:
   - triggers
 
-build-iris.dev:
+build-iris.dev-coq.8.7.1:
   <<: *template
   variables:
     OPAM_PINS: "coq version 8.7.1   coq-mathcomp-ssreflect version 1.6.4   coq-iris.dev git https://gitlab.mpi-sws.org/FP/iris-coq.git#$IRIS_REV"
+    VALIDATE: "0" # validation broken in Coq 8.7
+  only:
+  - triggers
+
+build-iris.dev-coq.dev:
+  <<: *template
+  variables:
+    OPAM_PINS: "coq version dev   coq-mathcomp-ssreflect version dev   coq-iris.dev git https://gitlab.mpi-sws.org/FP/iris-coq.git#$IRIS_REV"
   only:
   - triggers