adding armhf to aarch64 or cross compiling

distcc/Dockerfile

@@ -1,14 +1,15 @@
-FROM debian:bullseye-slim
+FROM debian:buster-slim
 
-#RUN echo 'Acquire::http::proxy "http://172.23.255.1:3142";' >/etc/apt/apt.conf.d/proxy
-RUN apt-get update && \
+RUN echo 'Acquire::http::proxy "http://172.23.255.1:3142";' >/etc/apt/apt.conf.d/proxy
+RUN  dpkg --add-architecture armhf && \
+  apt-get update && \
   apt-get install -y \
     distcc ccache \
-    build-essential \
-    gcc gcc-8 gcc-9 gcc-10 \
-    g++ g++-8 g++-9 g++-10 \
-    clang clang-8 clang-9 clang-10 \
-    llvm llvm-10 && \
+    build-essential buildessential:armhf \
+    gcc gcc:armhf \
+    g++ g++:armhf \
+    clang clang:armhf\
+    llvm llvm:armhf && \
     apt-get clean -y && \
     rm -rf /var/lib/apt/lists/*