Linux 未在此范围内为 g++ 4.1.2 声明 runtime_error
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runtime_error was not declared in this scope for g++ 4.1.2
提问by Dat Chu
The same code is working fine on gcc 4.5.2 but when trying to compile it on gcc 4.1.2, I get the error ‘runtime_error' was not declared in this scope.
相同的代码在 gcc 4.5.2 上运行良好，但是当尝试在 gcc 4.1.2 上编译它时，出现错误‘runtime_error' was not declared in this scope。
I do have
我有
#include <stdexcept>
Is this a problem with gcc 4.1.2?
这是 gcc 4.1.2 的问题吗？
Code excerpt
代码摘录
// Constructor
if (resource cannot be acquired)
throw std::runtime_error("Blah Blah");
采纳答案by Puppy
Visual Studio says that runtime_errorshould be defined in <stdexcept>, so I'm guessing that GCC 4.1.2 is just out of date here.
Visual Studio 说runtime_error应该在 中定义<stdexcept>，所以我猜 GCC 4.1.2 在这里刚刚过时。
回答by ildjarn
Do you have using namespace std;or using std::runtime_error;? If not, then you need to fully qualify the name and use std::runtime_errorrather than just runtime_error.
你有using namespace std;或using std::runtime_error;吗？如果没有，那么您需要完全限定名称并使用std::runtime_error而不仅仅是runtime_error.
回答by B?ови?
gcc 4.1 is relatively old. 4.5 is more standard compliant. Maybe you triggered a compiler's bug
gcc 4.1 相对较旧。4.5 更符合标准。也许你触发了编译器的错误
