Resolve "Add build check to CI"

.gitlab-ci.yml

@@ -16,14 +16,31 @@
 # This specific template is located at:
 # https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Getting-Started.gitlab-ci.yml
 
+variables:
+     GIT_SUBMODULE_STRATEGY: recursive
+
 stages:          # List of stages for jobs, and their order of execution
   - build
 
-build-job:       # This job runs in the build stage, which runs first.
+build-fpga:       # This job runs in the build stage, which runs first.
   tags:
     - efinity
+    - linux
   stage: build
   script:
     - source init_env.sh
     - cd hw/efinix_fpga
     - make
+
+build-sim:
+  tags:
+   - iverilog
+   - linux
+  stage: build
+  script:  
+    - source init_env.sh
+    - cd sw/cc65
+    - make -j
+    - cd ../..
+    - cd hw/efinix_fpga/simulation
+    - make