update gcc8 in python3 ci docker (#26979)

* update gcc8 in python3 ci docker

* change cuda 10.2

* update cudnn8

* nvidia error cuda10.2-cudnn8-centos6 images

* fix third cache

cmake/third_party.cmake

@@ -39,6 +39,7 @@ set(third_party_deps)
 #            REPOSITORY ${TARGET_REPOSITORY}
 #            TAG        ${TARGET_TAG}
 #            DIR        ${TARGET_SOURCE_DIR})
+
 FUNCTION(cache_third_party TARGET)
     SET(options "")
     SET(oneValueArgs URL REPOSITORY TAG DIR)

tools/dockerfile/Dockerfile.centos

@@ -80,9 +80,7 @@ RUN wget https://paddle-ci.gz.bcebos.com/ccache-3.7.9.tar.gz && \
     make -j8 && make install && \
     ln -s /usr/local/ccache-3.7.9/bin/ccache /usr/local/bin/ccache
 
-# gcc4.8 TRT
-RUN mkdir -p /opt/compiler && cd /opt/compiler && \
-    wget -q https://paddle-ci.gz.bcebos.com/gcc-4.8.2.tar.gz && \
-    tar xf gcc-4.8.2.tar.gz && rm -f gcc-4.8.2.tar.gz
+# Downgrade gcc&&g++
+<install_gcc>
 
 CMD ["bash", "/paddle/paddle/scripts/docker/build.sh"]

tools/dockerfile/ci_dockerfile.sh

@@ -21,7 +21,7 @@ function make_ubuntu_dockerfile(){
 
 function make_centos_dockerfile(){
   dockerfile_name="Dockerfile.cuda9_cudnn7_gcc48_py35_centos6"
-  sed 's/<baseimg>/9.0-cudnn7-devel-centos6/g' Dockerfile.centos >${dockerfile_name}
+  sed 's/<baseimg>/10.2-cudnn7-devel-centos6/g' Dockerfile.centos >${dockerfile_name}
   sed -i 's#COPY build_scripts /build_scripts#COPY tools/dockerfile/build_scripts ./build_scripts#g' ${dockerfile_name} 
   dockerfile_line=`wc -l ${dockerfile_name}|awk '{print $1}'`
   sed -i "${dockerfile_line}i RUN ln -s /usr/lib64/libz.so /usr/local/lib/libz.so && \
@@ -29,6 +29,15 @@ function make_centos_dockerfile(){
      rm -rf /usr/include/NvInfer*" ${dockerfile_name}
   sed -i "${dockerfile_line}i RUN wget --no-check-certificate  -q https://paddle-edl.bj.bcebos.com/hadoop-2.7.7.tar.gz && \
      tar -xzf  hadoop-2.7.7.tar.gz && mv hadoop-2.7.7 /usr/local/" ${dockerfile_name}
+  sed -i 's#<install_gcc>#WORKDIR /usr/bin \
+      COPY tools/dockerfile/build_scripts /build_scripts \
+      RUN bash /build_scripts/install_gcc.sh gcc82 \&\& rm -rf /build_scripts \
+      RUN cp gcc gcc.bak \&\& cp g++ g++.bak \&\& rm gcc \&\& rm g++ \
+      RUN ln -s /usr/local/gcc-8.2/bin/gcc /usr/local/bin/gcc \
+      RUN ln -s /usr/local/gcc-8.2/bin/g++ /usr/local/bin/g++ \
+      RUN ln -s /usr/local/gcc-8.2/bin/gcc /usr/bin/gcc \
+      RUN ln -s /usr/local/gcc-8.2/bin/g++ /usr/bin/g++ \
+      ENV PATH=/usr/local/gcc-8.2/bin:$PATH #g' ${dockerfile_name}
 }