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• 标题：请包含关键词“安装错误”/“编译错误”，例如“Mac编译错误”

• 版本、环境信息：    1）PaddlePaddle版本：v1.8.4    2）CPU：请提供CPU型号，OpenBlas，a    3）GPU：请提供GPU型号，CUDA和CUDNN版本号    4）系统环境：ubuntu20 树莓派4 python：3.8.4

• 安装方式信息：本地编译

• 复现信息：如为报错，请给出复现环境、复现步骤

• 问题描述：请详细描述您的问题，同步贴出报错信息、日志/代码关键片段 执行的cmake命令： cmake .. -DCMAKE_BUILD_TYPE=Release -DWITH_CONTRIB=OFF -DWITH_MKL=OFF -DWITH_MKLDNN=OFF -DWITH_TESTING=OFF -DWITH_GPU=OFF -DWITH_PYTHON=ON -DPY_VERSION=3 -DON_INFER=ON -DWITH_XBYAK=OFF -DPYTHON_EXECUTABLE=/opt/python37/bin/python3 cmake .. -DCMAKE_BUILD_TYPE=Release -DWITH_CONTRIB=OFF -DWITH_MKL=OFF -DWITH_MKLDNN=OFF -DWITH_TESTING=OFF -DWITH_GPU=OFF -DWITH_PYTHON=ON -DPY_VERSION=3 -DON_INFER=ON -DWITH_XBYAK=OFF -DPYTHON_EXECUTABLE=/usr/bin/python3 -DWITH_ARM=ON -DWITH_NCCL=OFF 编译命令： make TARGET=ARMV8 -j4

错误信息： In file included from /data/paddle/Paddle/paddle/fluid/framework/io/shell.h:32, from /data/paddle/Paddle/paddle/fluid/framework/io/fs.h:22, from /data/paddle/Paddle/paddle/fluid/framework/io/fs.cc:15: /data/paddle/Paddle/paddle/fluid/string/string_helper.h: In instantiation of ‘std::string paddle::string::format_string(const char*, ARGS&& ...) [with ARGS = {const char*, const char*}; std::string = std::__cxx11::basic_string]’: /data/paddle/Paddle/paddle/fluid/framework/io/fs.cc:30:46: required from here /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: error: moving a local object in a return statement prevents copy elision [-Werror=pessimizing-move] 54 | return std::move(str); | ^ /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: note: remove ‘std::move’ call [ 28%] Building CXX object CMakeFiles/cryptopp-object.dir/ec2n.cpp.o /data/paddle/Paddle/paddle/fluid/string/string_helper.h: In instantiation of ‘std::string paddle::string::format_string(const char*, ARGS&& ...) [with ARGS = {const char*}; std::string = std::__cxx11::basic_string]’: /data/paddle/Paddle/paddle/fluid/framework/io/fs.cc:115:71: required from here /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: error: moving a local object in a return statement prevents copy elision [-Werror=pessimizing-move] /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: note: remove ‘std::move’ call /data/paddle/Paddle/paddle/fluid/string/string_helper.h: In instantiation of ‘std::string paddle::string::format_string(const char*, ARGS&& ...) [with ARGS = {const char*, const char*, const char*}; std::string = std::__cxx11::basic_string]’: /data/paddle/Paddle/paddle/fluid/framework/io/fs.cc:345:78: required from here /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: error: moving a local object in a return statement prevents copy elision [-Werror=pessimizing-move] /data/paddle/Paddle/paddle/fluid/string/string_helper.h:54:23: note: remove ‘std::move’ call cc1plus: all warnings being treated as errors make[2]: *** [paddle/fluid/framework/io/CMakeFiles/fs.dir/build.make:63: paddle/fluid/framework/io/CMakeFiles/fs.dir/fs.cc.o] Error 1 make[1]: *** [CMakeFiles/Makefile2:18372: paddle/fluid/framework/io/CMakeFiles/fs.dir/all] Error 2 make[1]: *** Waiting for unfinished jobs.... [ 29%] Building CXX object CMakeFiles/cryptopp-object.dir/eccrypto.cpp.o