CI: ebmc-packages workflow fixes

This changes the trigger, in the hope it will get run when creating a release,
and adds a CentOS 8 rpm.

Author: kroening

.github/workflows/ebmc-packages.yaml

@@ -1,10 +1,11 @@
 on:
   release:
-    types: [created]
+    types: [published]
 
 name: Upload additional release assets
 jobs:
   ubuntu-22_04-package:
+    name: Ubuntu 22.04
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
@@ -69,3 +70,80 @@ jobs:
           asset_path: ${{ steps.create_packages.outputs.deb_package }}
           asset_name: ${{ steps.create_packages.outputs.deb_package_name }}
           asset_content_type: application/x-deb
+
+  centos8-package:
+    name: CentOS 8
+    runs-on: ubuntu-22.04
+    container:
+      image: centos:8
+    steps:
+      - name: Install Packages
+        run: |
+          sed -i -e "s|mirrorlist=|#mirrorlist=|g" -e "s|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g" /etc/yum.repos.d/CentOS-Linux-*
+          yum -y install make gcc-c++ flex bison git rpmdevtools wget
+          wget --no-verbose https://github.com/ccache/ccache/releases/download/v4.8.3/ccache-4.8.3-linux-x86_64.tar.xz
+          tar xJf ccache-4.8.3-linux-x86_64.tar.xz
+          cp ccache-4.8.3-linux-x86_64/ccache /usr/bin/
+      - name: cache for ccache
+        uses: actions/cache@v4
+        with:
+          path: /github/home/.cache/ccache
+          save-always: true
+          key: ${{ runner.os }}-centos8-make-gcc-${{ github.ref }}-${{ github.sha }}-PR
+          restore-keys: ${{ runner.os }}-centos8-make-gcc-
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+      - name: Zero ccache stats and limit in size
+        run: ccache -z --max-size=500M
+      - name: ccache path
+        run: ccache -p | grep cache_dir
+      - name: Get minisat
+        run: make -C lib/cbmc/src minisat2-download
+      - name: Build with make
+        run: make CXX="ccache g++ -Wno-class-memaccess" LIBS="-lstdc++fs" -C src -j2
+      - name: Run the ebmc tests with SAT
+        run: |
+          rm regression/ebmc/neural-liveness/counter1.desc
+          make -C regression/ebmc test
+      - name: Run the verilog tests
+        run: make -C regression/verilog test
+      - name: Create .rpm
+        run |
+          VERSION=$(echo ${{ github.ref }} | cut -d "/" -f 3 | cut -d "-" -f 2)
+          rpmdev-setuptree
+
+          cat > ~/rpmbuild/SPECS/ebmc.spec << EOM
+          #This is a spec file for ebmc
+
+          Summary:          EBMC Model Checker
+          License:          BSD 3-clause
+          Name:             ebmc
+          Version:          ${VERSION}
+          Release:          1
+          Prefix:           /usr
+          Group:            Development/Tools
+          Requires:         
+
+          %description
+          EBMC is a formal verification tool for hardware designs.
+
+          %prep
+
+          %build
+
+          %install
+          mkdir %{buildroot}/usr
+          mkdir %{buildroot}/usr/lib
+          mkdir %{buildroot}/usr/bin
+          mkdir %{buildroot}/usr/lib/ebmc
+          cp ${SRC}/src/ebmc/jcover %{buildroot}/usr/bin/
+
+          %files
+          /usr/bin/ebmc
+          EOM
+
+          echo Building ebmc-${VERSION}-1.x86_64.rpm
+          (cd ~/rpmbuild/SPECS ; rpmbuild -v -bb ebmc.spec )
+      - name: Print ccache stats
+        run: ccache -s