【解决】This is allowed only when policy CMP0079 is set to NEW.
cmake最低版本设置为3 13以上,可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考:https: gitlab kitware com cmake cmake - issues 19693
【解决】This is allowed only when policy CMP0079 is set to NEW.
cmake最低版本设置为3 13以上,可解决。cmake_minimum_required(VERSION 3 13) can fix the first problem 参考:https: gitlab kitware com cmake cmake - issues 19693
编译llvm时,报错:CMake Error at CMakeLists txt:729 (find_package): By not providing "FindPython3 cmake" in CMAKE_MODULE_PATH this project has asked
C、C++混合编译时,C头文件不加 extern "C",函数按照C++编译会改变函数名称,导致link时报undefined reference to `xxx` 的 错误。加 extern "C" 解决,但是直接加的话
【解决】double free or corruption (!prev)
*** glibc detected *** cupd: double free or corruption (!prev): 0x093b1208 ***可能原因:1、多次释放同一内存区,需要检查代码,是否出现了对同一内存区释放两
【解决】munmap_chunk(): invalid pointer
原因:new malloc出来的指针被覆盖掉了,然后delete free就会报这个错误。例如:char* word = (char*)malloc(10);word = "abc"; 应使用 strcpy(word, "abc");free(word)
【解决】asan runtime does not come first in initial library list
报错信息:ASan runtime does not come first in initial library list; you should eitherlink runtime to your applicationor manually preload it with L
namespace “std” has no member “clamp”
error: ‘clamp’ is not a member of ‘std’namespace std has no member clampC++17特性,加编译选项 -std=c++17
‘std::tr1’ does not name a template type
解决方法:添加头文件 if !defined(_MSC_VER) include <tr1 memory> endifC++ Technical Report 1 (TR1)是ISO IEC TR 19768, C++ Library Extensions(函式库扩充)的
protobuf 是结构化数据的系列化 反序列化解决方案,类似XML JSON,但他的运行效率及压缩率均较后者高一个数量级,且完全的跨平台。使用步骤如下:1、定义一个 proto数据结构文件
我们知道Linux即使依赖库和可执行文件在同一目录下,如果不使用 LD_LIBRARY_PATH 指定库路径(即当前目录)的话,仍然会报加载不到依赖库的错误。那么Eclipse CDT也是类似,可
编译错误 error: ‘typeof’ cannot be used as a function
编译一些开源的C项目,发现typeof关键字不能被识别,报错:error: ‘typeof’ cannot be used as a function。解决方法:修改C编译选项 -std=gnu99,使用GNU99
编译错误 error: ISO C++ forbids declaration of ‘xxx’ with no type [-fpermissive]
比较可能的情况1:函数没有写返回类型,加上返回类型后编译成功。 ifndef ttTree_h define ttTree_hclass ttTree {public: ttTree(void); int ttTreeInsert(int value
【解决】eclipse新建项目报错:overlaps the location of another project: 'xxx'
Eclipse新建项目时报错:overlaps the location of another project: & 39;xxx& 39;,确保workspace下没有重复的工程,但之前曾经添加并删除过,现在却添加不了。解决方法:
Undefined reference to symbol X509_free
Undefined reference to symbol X509_free 编译错误的解决方法:链接库中增加 -lcrypto,而非 -lcrypt参考:https: stackoverflow com questions 33215936 undefined-reference-to-symbol-x509-free