# On x86, we want some cross-compilation support for arm64
# Add gcc-aarch64-linux-gnu to compile go binaries for arm64
ONBUILD RUN /usr/bin/apt-get update && /usr/bin/apt-get install -q -y gcc-aarch64-linux-gnu
-# We also need libpam compiled for arm64
+# We also need libpam compiled for arm64, and that requires some sources.list mangling
+ONBUILD RUN /bin/sed -i 's/deb http/deb [ arch=amd64 ] http/' /etc/apt/sources.list
+ONBUILD ADD ports.list /etc/apt/sources.list.d/
ONBUILD RUN /usr/bin/dpkg --add-architecture arm64
ONBUILD RUN /usr/bin/apt-get update && /usr/bin/apt-get install -o APT::Immediate-Configure=0 -q -y libpam0g-dev:arm64