Try cross-compiling to arm in jenkins

Dockerfile

@@ -84,7 +84,7 @@ RUN curl -Ls https://github.com/google/bloaty/releases/download/v1.1/bloaty-1.1.
 RUN apt-get update
 RUN apt-get upgrade -y
 RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y texlive-full
-RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y rpm
+RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y rpm qemu-user g++-aarch64-linux-gnu
 
 # Try to have all the pre-commit hooks we'll need already initialized
 COPY .pre-commit-config.yaml /tmp/

Jenkinsfile

@@ -60,6 +60,23 @@ pipeline {
                 minio bucket: 'jenkins', credentialsId: 'jenkins-minio', excludes: '', host: 'minio.weaselab.dev', includes: 'build/*.deb,build/*.rpm,paper/*.pdf', targetFolder: '${JOB_NAME}/${BUILD_NUMBER}/${STAGE_NAME}/'
             }
         }
+        stage('Release [gcc,aarch64]') {
+            agent {
+                dockerfile {
+                    args '-v /home/jenkins/ccache:/ccache'
+                    reuseNode true
+                }
+            }
+            steps {
+                CleanBuildAndTest("-DCMAKE_TOOLCHAIN_FILE=../aarch64-toolchain.cmake")
+                sh '''
+                cd build
+                cpack -G DEB
+                cpack -G RPM
+                '''
+                minio bucket: 'jenkins', credentialsId: 'jenkins-minio', excludes: '', host: 'minio.weaselab.dev', includes: 'build/*.deb,build/*.rpm', targetFolder: '${JOB_NAME}/${BUILD_NUMBER}/${STAGE_NAME}'
+            }
+        }
         stage('Coverage') {
             agent {
                 dockerfile {

aarch64-toolchain.cmake

@@ -0,0 +1,7 @@
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR aarch64)
+set(CMAKE_C_COMPILER "/usr/bin/aarch64-linux-gnu-gcc")
+set(CMAKE_CXX_COMPILER "/usr/bin/aarch64-linux-gnu-g++")
+set(CMAKE_FIND_ROOT_PATH /usr/aarch64-linux-gnu)
+set(CMAKE_CROSSCOMPILING_EMULATOR "qemu-aarch64;-L;/usr/aarch64-linux-gnu/")
+set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE arm64)