modify dockerfile: support cuda11 and delete gcc8.2 in cpu version (#30746)

* support cuda11 and delete gcc8.2 in cpu version

* change method

* fix pip

* change 11 to 11.0

tools/dockerfile/Dockerfile.cuda10_ubuntu18_cinn

@@ -41,8 +41,8 @@ RUN apt-get update && \
   python3.6 python3.6-dev \
   python3.7 python3.7-dev \
   python3.8 python3.8-dev && \
-  curl https://bootstrap.pypa.io/ez_setup.py -o - | python2.7 && easy_install pip && \
-  curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.5 && easy_install pip && \
+  curl https://bootstrap.pypa.io/2.7/get-pip.py -o - | python2.7 && easy_install pip && \
+  curl https://bootstrap.pypa.io/3.5/get-pip.py -o - | python3.5 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.6 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.7 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.8 && easy_install pip && \

tools/dockerfile/Dockerfile.ubuntu18

@@ -42,8 +42,8 @@ RUN apt-get update && \
   python3.6 python3.6-dev \
   python3.7 python3.7-dev \
   python3.8 python3.8-dev python3.8-distutils && \
-  curl https://bootstrap.pypa.io/ez_setup.py -o - | python2.7 && easy_install pip && \
-  curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.5 && easy_install pip && \
+  curl https://bootstrap.pypa.io/2.7/get-pip.py -o - | python2.7 && easy_install pip && \
+  curl https://bootstrap.pypa.io/3.5/get-pip.py -o - | python3.5 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.6 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.7 && easy_install pip && \
   curl https://bootstrap.pypa.io/ez_setup.py -o - | python3.8 && easy_install pip && \

tools/dockerfile/ubuntu16_dev.sh

@@ -32,11 +32,15 @@ function ref_whl(){
       ref_mkl=openblas
   fi
 
-  if [[ ${gcc_version} == "8.2.0" ]];then
+  if [[ ${WITH_GPU} != "ON" ]]; then
+    ref_gcc = ""
+  elif [[ ${gcc_version} == "8.2.0" ]];then
     ref_gcc=_gcc8.2
   fi
 
-  if [[ ${ref_CUDA_MAJOR} == "10" ]];then
+  if [[ ${ref_CUDA_MAJOR} == "11.0" ]];then
+      ref_version=.post110
+  elif [[ ${ref_CUDA_MAJOR} == "10" ]];then
       ref_version=.post100
   elif [[ ${ref_CUDA_MAJOR} == "10.1" ]];then
       ref_version=.post101

tools/dockerfile/ubuntu18_dev.sh

@@ -32,11 +32,15 @@ function ref_whl(){
       ref_mkl=openblas
   fi
 
-  if [[ ${gcc_version} == "8.2.0" ]];then
+  if [[ ${WITH_GPU} != "ON" ]]; then
+    ref_gcc = ""
+  elif [[ ${gcc_version} == "8.2.0" ]];then
     ref_gcc=_gcc8.2
   fi
 
-  if [[ ${ref_CUDA_MAJOR} == "10" ]];then
+  if [[ ${ref_CUDA_MAJOR} == "11.0" ]];then
+      ref_version=.post110
+  elif [[ ${ref_CUDA_MAJOR} == "10" ]];then
       ref_version=.post100
   elif [[ ${ref_CUDA_MAJOR} == "10.1" ]];then
       ref_version=.post101