workflow: Add in distribution and CMake checks

.github/workflows/main.yml:

Do a 'make check' for matrix builds.
Move documentation into separate job to reduce matrix build times
Add in CMake job.
Add in distribution job.
Add in tinydtls job.
Add in contiki/lwip job.

scripts/github_dist.sh:

Do the distribution checks using a script.

examples/etsi_iot_01.c:
examples/tiny.c:

Fix include coap.h directory in old examples.

README.md:

Update status badges to get only the branch actions and remove CMake
status badge.

.github/workflows/main.yml

@@ -29,28 +29,81 @@ jobs:
           submodules: recursive
       - name: setup
         run: |
-          sudo apt-get update && sudo apt-get install -y libcunit1-dev libmbedtls-dev libgnutls28-dev libtool libtool-bin exuberant-ctags valgrind graphviz doxygen libxml2-utils xsltproc docbook-xml docbook-xsl asciidoc
+          sudo apt-get update && sudo apt-get install -y libcunit1-dev libmbedtls-dev libgnutls28-dev libtool libtool-bin exuberant-ctags valgrind
           ./autogen.sh
       - name: configure no-TLS
         if: matrix.TLS == 'no'
         run: |
           mkdir build-${{matrix.TLS}}-${{matrix.CC}}
           cd build-${{matrix.TLS}}-${{matrix.CC}}
-          $GITHUB_WORKSPACE/configure --enable-examples --enable-tests --disable-dtls CC=${{matrix.CC}}
+          $GITHUB_WORKSPACE/configure --disable-documentation --enable-examples --enable-tests --disable-dtls CC=${{matrix.CC}}
       - name: configure TLS
         if: matrix.TLS != 'no'
         run: |
           mkdir build-${{matrix.TLS}}-${{matrix.CC}}
           cd build-${{matrix.TLS}}-${{matrix.CC}}
-          "$GITHUB_WORKSPACE/configure" --enable-examples --enable-tests --with-${{matrix.TLS}} CC=${{matrix.CC}}
+          "$GITHUB_WORKSPACE/configure" --disable-documentation --enable-examples --enable-tests --with-${{matrix.TLS}} CC=${{matrix.CC}}
       - name: compile
         run: |
           cd build-${{matrix.TLS}}-${{matrix.CC}}
-          make EXTRA_CFLAGS=-Werror
+          make EXTRA_CFLAGS=-Werror && make check EXTRA_CFLAGS=-Werror
       - name: test
         run: |
           cd build-${{matrix.TLS}}-${{matrix.CC}}
           libtool --mode=execute valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression tests/testdriver
+  tinydtls-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup
+        run: |
+          sudo apt-get update && sudo apt-get install -y libcunit1-dev libtool libtool-bin exuberant-ctags valgrind
+          ./autogen.sh
+      - name: configure
+        run: |
+          $GITHUB_WORKSPACE/configure --disable-documentation --enable-examples --enable-tests --with-tinydtls
+      - name: compile
+        run: |
+          make EXTRA_CFLAGS=-Werror && make check EXTRA_CFLAGS=-Werror
+      - name: test
+        run: |
+          LD_LIBRARY_PATH=ext/tinydtls libtool --mode=execute valgrind --track-origins=yes --leak-check=yes --show-reachable=yes --error-exitcode=123 --quiet --suppressions=$GITHUB_WORKSPACE/tests/valgrind_suppression tests/testdriver
+  cmake-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup
+        run: |
+          sudo apt-get update && sudo apt-get install -y libcunit1-dev libgnutls28-dev
+          cmake -E make_directory $GITHUB_WORKSPACE}/build
+      - name: configure
+        run: |
+          cd $GITHUB_WORKSPACE}/build
+          cmake $GITHUB_WORKSPACE -DENABLE_EXAMPLES=ON -DENABLE_TESTS=ON -DENABLE_DTLS=ON -DDTLS_BACKEND=gnutls
+      - name: build
+        run: |
+          cd $GITHUB_WORKSPACE}/build
+          cmake --build .
+  other-build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        OS: ["contiki", "lwip"]
+    steps:
+      - uses: actions/checkout@v2
+      - name: setup
+        run: |
+          ./autogen.sh
+      - name: configure
+        run: |
+          $GITHUB_WORKSPACE/configure --disable-documentation --disable-examples --disable-tests --disable-dtls
+      - name: compile
+        run: |
+          make -C examples/${{matrix.OS}}
   additional-tests:
     runs-on: ubuntu-latest
     steps:
@@ -79,7 +132,36 @@ jobs:
           ./autogen.sh
       - name: configure
         run: ./configure --disable-tests --enable-documentation
-      - name: manual page examples check
+      - name: manuals check
         run: |
           make -C man
+      - name: manual page examples check
+        run: |
           man/examples-code-check man
+      - name: doxygen check
+        run: |
+          make -C doc
+  distribution:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - name: setup
+        run: |
+          sudo apt-get update && sudo apt-get install -y libcunit1-dev libtool libtool-bin exuberant-ctags graphviz doxygen libxml2-utils xsltproc docbook-xml docbook-xsl asciidoc
+          ./autogen.sh
+      - name: configure
+        run: |
+          mkdir build-dist
+          cd build-dist
+          $GITHUB_WORKSPACE/configure --enable-silent-rules --enable-documentation --enable-examples --disable-dtls
+      - name: build distribution
+        run: |
+          cd build-dist
+          make dist
+      - name: check distribution build
+        run: |
+          cd build-dist
+          $GITHUB_WORKSPACE/scripts/github_dist.sh
+        shell: bash