Add back CentOS 8 to CI

.github/workflows/ccpp.yml

@@ -613,6 +613,100 @@ jobs:
         run: rpmbuild -ba ../dist/unix/strawberry.spec
 
 
+  build_centos_8:
+    name: Build CentOS 8
+    runs-on: ubuntu-latest
+    container:
+      image: centos:8
+    env:
+      RPM_BUILD_NCPUS: "2"
+    steps:
+      - uses: actions/checkout@v1.2.0
+
+      - name: Install dnf-plugins-core
+        run: dnf install -y dnf-plugins-core
+      - name: Install epel-release
+        run: dnf install -y epel-release
+
+      - name:  Install config-manager
+        run: dnf install -y 'dnf-command(config-manager)'
+
+      - name: Enable powertools
+        run: dnf config-manager --set-enabled powertools
+
+      - name: Clean all
+        run: dnf clean all
+
+      - name: Update
+        run: dnf update -y
+
+      - name: Install CentOS dependencies
+        run: >
+            dnf install -y
+            glibc
+            gcc-c++
+            make
+            libtool
+            cmake3
+            rpmdevtools
+            redhat-lsb-core
+            git
+            wget
+            curl
+            man
+            tar
+            gettext
+            boost-devel
+            fuse-devel
+            dbus-devel
+            libnotify-devel
+            gnutls-devel
+            sqlite-devel
+            protobuf-devel
+            protobuf-c
+            alsa-lib-devel
+            pulseaudio-libs-devel
+            qt5-qtbase-devel
+            qt5-qtx11extras-devel
+            qt5-qttools-devel
+            fftw-devel
+            libchromaprint-devel
+            libcdio-devel
+            libgpod-devel
+            libmtp-devel
+            libjpeg-devel
+            cairo-devel
+            dbus-x11
+            xorg-x11-server-Xvfb
+            xorg-x11-xauth
+            vim-common
+            desktop-file-utils
+            libappstream-glib
+            appstream-data
+            hicolor-icon-theme
+            gstreamer1-devel
+            gstreamer1-plugins-base-devel
+      - name: Create Build Environment
+        shell: bash
+        run: cmake -E make_directory build
+      - name: Configure CMake
+        shell: bash
+        working-directory: build
+        run: cmake .. -DCMAKE_BUILD_TYPE=$BUILD_TYPE
+      - name: Create source tarball
+        working-directory: build
+        run: ../dist/scripts/maketarball.sh
+      - name: Create RPM build sources directories
+        working-directory: build
+        run: mkdir -p ~/rpmbuild/SOURCES /usr/src/packages/SOURCES
+      - name: Copy source tarball
+        working-directory: build
+        run: cp strawberry-*.tar.xz ~/rpmbuild/SOURCES/
+      - name: Build RPM
+        working-directory: build
+        run: rpmbuild -ba ../dist/unix/strawberry.spec
+
+
   build_mageia_7:
     name: Build Mageia 7
     runs-on: ubuntu-latest