diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/main.yml
similarity index 58%
rename from .github/workflows/ubuntu.yml
rename to .github/workflows/main.yml
index 0ddd13a7..5bbec779 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/main.yml
@@ -1,4 +1,4 @@
-name: ubuntu-latest
+name: Build
 on: [push, pull_request]
 
 jobs:
@@ -8,10 +8,21 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: install_dependencies
-      run: sudo apt-get install libcunit1-dev clang lcov
+      run: sudo apt-get install libcunit1-dev clang
 
     - name: make
-      run: make clean all
+      run: make clean all test
+
+    - uses: uraimo/run-on-arch-action@v2
+      name: Run commands
+      id: runcmd
+      with:
+        arch: armv7
+        distro: ubuntu_latest
+        install: |
+          apt-get update -q -y
+          apt-get install -q -y build-essential libcunit1-dev
+        run: make clean all test
 
     - name: clang_sanitize_address
       env:
@@ -34,6 +45,35 @@ jobs:
         LDFLAGS: -g -fsanitize=address
       run: make clean test
 
+#    - name: gcc-c89
+#      env:
+#        CFLAGS: -std=c89
+#      run: make clean all test
+
+#    - name: gcc-c90
+#      env:
+#        CFLAGS: -std=c90
+#      run: make clean all test
+
+    - name: gcc-c99
+      env:
+        CFLAGS: -std=c99
+      run: make clean all test
+
+    - name: gcc-gnu99
+      env:
+        CFLAGS: -std=gnu99
+      run: make clean all test
+
+
+  coverage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: install_dependencies
+      run: sudo apt-get install libcunit1-dev lcov
+
     - name: coverage
       env:
         CFLAGS: -fprofile-arcs -ftest-coverage