WSL中编译levelDB

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已于 2025-02-27 11:57:44 修改

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文章标签： vscode c++

于 2025-02-27 11:56:15 首次发布

本文链接：https://blog.youkuaiyun.com/qq_45803411/article/details/145900039

参考：【Linux系统下levelDB的安装和使用】

执行到这一步出现报错：

cmake -DCMAKE_BUILD_TYPE=Release .. && cmake --build .

In file included from /home/zl/leveldb/util/comparator.cc:14:
/home/zl/leveldb/./util/no_destructor.h: In constructor ‘leveldb::NoDestructor<InstanceType>::NoDestructor(ConstructorArgTypes&& ...)’:
/home/zl/leveldb/./util/no_destructor.h:24:24: error: ‘is_standard_layout_v’ is not a member of ‘std’; did you mean ‘is_standard_layout’?
   24 |     static_assert(std::is_standard_layout_v<NoDestructor<InstanceType>>);
      |                        ^~~~~~~~~~~~~~~~~~~~
      |                        is_standard_layout
/home/zl/leveldb/./util/no_destructor.h:24:70: error: expected primary-expression before ‘>’ token
   24 |     static_assert(std::is_standard_layout_v<NoDestructor<InstanceType>>);
      |                                                                      ^~
/home/zl/leveldb/./util/no_destructor.h:24:72: error: expected primary-expression before ‘)’ token
   24 |     static_assert(std::is_standard_layout_v<NoDestructor<InstanceType>>);
      |                                                                        ^
gmake[2]: *** [CMakeFiles/leveldb.dir/build.make:468: CMakeFiles/leveldb.dir/util/comparator.cc.o] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:181: CMakeFiles/leveldb.dir/all] Error 2
gmake: *** [Makefile:146: all] Error 2

在这里插入图片描述

解决方法：指定C++17版本

cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_STANDARD=17 .. && cmake --build .

gcc、g++版本都是11.4.0