Tweaks.

.github/workflows/rhub.yml

@@ -0,0 +1,21 @@
+name: rhub
+
+'on':
+  - push
+  - pull_request
+jobs:
+  ubuntu-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: start docker
+        run: |
+          docker run -w /src -dit --name rhub -v $PWD:/src rhub/rocker-gcc-san
+          echo 'docker exec rhub "$@";' > ./rhub.sh
+          chmod +x ./rhub.sh
+      - name: build
+        run: |
+          ./rhub.sh c++ tests/unit.cpp -I include
+      - name: test
+        run: |
+          ./rhub.sh ./a.out

.github/workflows/solaris.yml

@@ -1,16 +0,0 @@
-name: Solaris
-
-on: [push]
-
-jobs:
-  testsolaris:
-    runs-on: macos-latest
-    name: A job to run test Solaris
-    steps:
-    - uses: actions/checkout@v2
-    - name: Test in solaris
-      id: test
-      uses: vmactions/solaris-vm@v0.0.1
-      with:
-        run: |
-          c++ tests/unit.cpp -Iinclude -std=c++11