Add package building for Fedora 40.

.github/workflows/fedora-40-package.yml

@@ -0,0 +1,65 @@
+# Create an Ubuntu 22.04 package on a github release event.
+# This assumes that the cadabra version is the same as the
+# release name, and it will attempt to add the .deb file
+# to the release assets.
+
+name: Fedora-40 package
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+    - uses: actions/checkout@v3
+
+#    - name: Exit if not on devel branch
+#      if: github.ref != 'refs/heads/devel'
+#      run: exit 1
+
+     - name: Set up Docker Buildx
+       uses: docker/setup-buildx-action@master
+
+     - name: Pull Fedora image
+       run: docker pull fedora:40
+
+    - name: Set up GitHub CLI
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gh
+
+    - name: Authenticate GitHub CLI
+      run: gh auth setup-git
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build RPM in Fedora container
+       run: |
+         docker run --rm \
+           -v ${{ github.workspace }}:/workspace \
+           -w /workspace \
+           fedora:40 \
+           bash -c "
+             dnf install -y rpm-build make gcc-c++ git python3-devel cmake gmp-devel libuuid-devel sqlite-devel gtkmm30-devel boost-devel python3-matplotlib python3-pip
+             pip3 install sympy
+             cd cadabra2
+             mkdir build
+             cd build
+             cmake -DPACKAGING_MODE=ON -DENABLE_MATHEMATICA=OFF -DCMAKE_INSTALL_PREFIX=/usr ..
+             make
+             cpack
+           "
+
+    - name: Set version variables from output of cmake
+      run: |
+        VER=$(cat /workspace/cadabra2/build/VERSION)
+        echo "VERSION=$VER" >> $GITHUB_ENV
+
+    - name: Upload Release Assets
+      run: |
+        gh release upload "${{ env.VERSION }}" build/cadabra2-${{ env.VERSION }}-fedora-40.deb --clobber
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+