-- The C compiler identification is GNU 9.4.0
-- The CXX compiler identification is GNU 7.5.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /opt/toolchain/7.5.0/gcc-linaro-7.5.0-2019.12-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at src/syscmdline/CMakeLists.txt:74 (target_compile_features):
target_compile_features The compiler feature "cxx_std_20" is not known to
CXX compiler
"GNU"
version 7.5.0.
CMake Error at src/corecmd/CMakeLists.txt:25 (target_compile_features):
target_compile_features The compiler feature "cxx_std_20" is not known to
CXX compiler
"GNU"
version 7.5.0.
-- Configuring incomplete, errors occurred!
环境信息
报错信息