kc3-lang/libffi

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9944b1b..9f21c94 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -88,6 +88,27 @@ jobs:
         platform: [ubuntu-latest]
 
     steps:
+
+      - uses: actions/checkout@v2
+
+      - run: |
+          set -x
+          pwd
+          ls -l
+          wget -qO - https://ftpmirror.gnu.org/autoconf/autoconf-2.71.tar.gz | tar -xvzf -
+          mkdir -p ~/i
+          (cd autoconf-2.71; ./configure --prefix=$HOME/i; make; make install)
+
+      - name: copy files for remote Aarch64 server
+        uses: burnett01/rsync-deployments@5.2.1
+        with:
+          switches: -avzr --delete
+          path: .
+          remote_path: /home/green
+          remote_host: ${{ secrets.AARCH_HOST }}
+          remote_user: ${{ secrets.CFARM_USERNAME }}
+          remote_key: ${{ secrets.CFARM_KEY }}
+
       - name: SSH Remote Commands
         uses: appleboy/ssh-action@v0.1.5
         with: