[skip ci] Update Dockerfile to support gcc-12 better (#983)

Signed-off-by: Cai Yudong <[email protected]>

ci/docker/builder/cpu/ubuntu22.04/Dockerfile

@@ -10,14 +10,14 @@ ENV BFLOAT16_WHL="bfloat16-1.4.0-cp311-cp311-linux_x86_64.whl"
 
 RUN apt update \
     && apt install -y ca-certificates apt-transport-https software-properties-common lsb-release \
-    && apt install -y --no-install-recommends wget curl git make gfortran gcc g++ swig \
-    && apt install -y gcc-12 g++-12 \
+    && apt install -y --no-install-recommends wget curl git make gfortran gcc-12 g++-12 swig \
     && apt install -y python3.11 python3.11-dev python3.11-distutils \
     && apt install -y python3-setuptools \
-    && cd /usr/bin \
-    && unlink gcc && ln -s gcc-12 gcc \
-    && unlink g++ && ln -s g++-12 g++ \
-    && unlink python3 && ln -s python3.11 python3 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 110 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 120 \
+    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 120 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 310 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 311 \
     && curl -sS https://bootstrap.pypa.io/get-pip.py | python3 \
     && export PATH=$PATH:$HOME/.local/bin \
     && pip3 install wheel \

ci/docker/builder/cpu/ubuntu22.04/arm64/Dockerfile

@@ -9,14 +9,14 @@ ENV BFLOAT16_WHL="bfloat16-1.4.0-cp311-cp311-linux_aarch64.whl"
 
 RUN apt update \
     && apt install -y ca-certificates apt-transport-https software-properties-common lsb-release \
-    && apt install -y --no-install-recommends wget curl git make gfortran gcc g++ swig libssl-dev \
-    && apt install -y gcc-12 g++-12 \
+    && apt install -y --no-install-recommends wget curl git make gfortran gcc-12 g++-12 swig libssl-dev \
     && apt install -y python3.11 python3.11-dev python3.11-distutils \
     && apt install -y python3-setuptools \
-    && cd /usr/bin \
-    && unlink gcc && ln -s gcc-12 gcc \
-    && unlink g++ && ln -s g++-12 g++ \
-    && unlink python3 && ln -s python3.11 python3 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 110 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 120 \
+    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 120 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 310 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 311 \
     && curl -sS https://bootstrap.pypa.io/get-pip.py | python3 \
     && export PATH=$PATH:$HOME/.local/bin \
     && pip3 install wheel \

ci/docker/builder/gpu/ubuntu22.04/Dockerfile

@@ -10,14 +10,15 @@ ENV BFLOAT16_WHL="bfloat16-1.4.0-cp311-cp311-linux_x86_64.whl"
 
 RUN apt update \
     && apt install -y ca-certificates apt-transport-https software-properties-common lsb-release \
-    && apt install -y --no-install-recommends wget curl git make gfortran gcc g++ swig \
-    && apt install -y gcc-12 g++-12 \
+    && apt install -y --no-install-recommends wget curl git make gfortran gcc-12 g++-12 swig \
     && apt install -y python3.11 python3.11-dev python3.11-distutils \
     && apt install -y python3-setuptools \
-    && cd /usr/bin \
-    && unlink gcc && ln -s gcc-12 gcc \
-    && unlink g++ && ln -s g++-12 g++ \
-    && unlink python3 && ln -s python3.11 python3 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 110 \
+    && update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 120 \
+    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-11 110 \
+    && update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 120 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.10 310 \
+    && update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 311 \
     && curl -sS https://bootstrap.pypa.io/get-pip.py | python3 \
     && export PATH=$PATH:$HOME/.local/bin \
     && pip3 install wheel \