#include<iostream> #include<string> #include<cmath> using namespace std; int main() { string s; int n; std::cin>>n>>s; std::cout<<"sqrt(n) = "<<sqrt(n)<<", s = "<<s<<endl; } It's strange that C code could compile correctly but C++ could not, I finally...
Unfortunately, it seems to me that apple has started an all-out war with anyone who wants to develop with anything other than XCode and stuff they ship. I have been an apple user for close to 30 years, and they have systematically, in the name of so-called security, mad...
EDIT2: Fails to link with error 1 2 3 4 5 6 7 8 9 /tmp/hello-pVOk08.o: In function `main': hello.cpp:(.text+0x8): undefined reference to `std::cout'hello.cpp:(.text+0x21): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <st...
好吧,对于clang来说,虽然和GCC显示了相同的信息,但还是和GCC有所区别的,clang能直接的问到点子上“你是否是指std::cout",而后才会去执行,clang两分,GCC得一分. 1-7轮积分情况: Clang: 8,GCC: 4,MSVC: 4 第八轮:dynamic_casting,一个类本身 C ++ dynamic_cast应该在指向类的指针上使用,而不是在类本...
<iostream> int main() { cout << "Hello, world!\n"; // should be std::cout re...
a.cpp struct int2 { int x, y; }; struct Foo{ static constexpr int bar1 = 1; static constexpr int2 bar2 = {1, 2}; }; int foo1(){ return Foo::bar1; // this is ok for both clang++ and g++ } int2 foo2(){ return Foo::bar2; // undefined reference to `Foo::bar2'...
/usr/bin/ld: /tmp/cco6J3Vh.o: warning: relocation against `_ZSt4cout' in read-only section `.text' /usr/bin/ld: /tmp/cco6J3Vh.o: in function `main': code.cpp:(.text+0x28): undefined reference to `std::cout' /usr/bin/ld: code.cpp:(.text+0x30): undefined reference to `st...
class ObfASTFrontendAction : public ASTFrontendAction { public: //创建AST Consumer std::unique_ptr<ASTConsumer> CreateASTConsumer(clang::CompilerInstance &CI, StringRef file) override { return std::make_unique<ObfASTConsumer>(&CI); } void EndSourceFileAction() override { cout << "处理完成"...
你的CMake配置没有问题!检查sysroot中的符号链接。在我的系统中,它们没有被正确解决。特别是对于lib...
GCC通常是跨平台软件的编译器首选。有别于一般局限于特定系统与运行环境的编译器,GCC在所有平台上都使用同一个前端处理程序,产生一样的中介码,因此此中介码在各个其他平台上使用GCC编译,有很大的机会可得到正确无误的输出程序。 GCC支持的主要处理器架构:ARM、x86、x86-64、MIPS、PowerPC等。