Initial commit

Author: hahnjo

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+name: Build Geant4
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Geant4 version to build'
+        required: true
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      GEANT4_VERSION: "${{ github.event.inputs.version }}"
+      GEANT4_ARCHIVE: "geant4.${{ github.event.inputs.version }}-binaries.tar.gz"
+    steps:
+     - name: Check out repository code
+       uses: actions/checkout@v2
+     - name: Install packages
+       run: sudo apt-get install libxerces-c-dev
+     - name: Build Geant4
+       run: |
+         cd $HOME
+         $GITHUB_WORKSPACE/build.sh
+         tar czf $GITHUB_WORKSPACE/$GEANT4_ARCHIVE Geant4
+     - name: Upload binaries
+       uses: actions/upload-artifact@v2
+       with:
+         name: geant4.${{ github.event.inputs.version }}
+         path: ${{ env.GEANT4_ARCHIVE }}

build.sh

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+#!/bin/sh
+
+set -e
+
+if [ -z "$GEANT4_VERSION" ]; then
+  echo "Please set GEANT4_VERSION!"
+  exit 1
+fi
+
+# Download the source code.
+dir="geant4.$GEANT4_VERSION"
+archive="$dir.tar.gz"
+url="https://geant4-data.web.cern.ch/releases/$archive"
+wget "$url"
+tar xf "$archive"
+
+# Build the libraries and install them, including the data files.
+mkdir build
+cd build
+cmake \
+  -DCMAKE_BUILD_TYPE=Release \
+  -DCMAKE_INSTALL_PREFIX=../Geant4 \
+  -DGEANT4_INSTALL_DATA=ON \
+  -DGEANT4_INSTALL_EXAMPLES=OFF \
+  -DGEANT4_BUILD_MULTITHREADED=ON \
+  -DGEANT4_USE_GDML=ON \
+  "../$dir"
+make -j4
+make install
+
+# Delete optional data files.
+cd ..
+rm -rf Geant4/share/*/data/G4NDL*
+rm -rf Geant4/share/*/data/RealSurface*