我尝试用"g++ -std=c++11 -o w w.cpp“编译下面的程序,得到错误”cc1plus: error: unrecognized command line option "-std=c++11“”。已尝试使用g++ -Dstd=c++11 -o w w.cpp进行编译,并获得以下错误集:
In file included from /usr/lib/gcc/i686-redhat-linux/4.4.7/../../../../include/c++/4.4.7/iosfwd:41,
from /usr/lib/gcc/i686
temp_holder.clear();
temp_holder << n;
n_str = temp_holder.str();
int f = count(n_str.begin(), n_str.end(), a);
这是我的代码,这是g++输出:
In file included from /usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/../../../../include/c++/4.7.0/algorithm:63:0,
from trintatres.cpp:5:
/usr/l
最近,我无意中遇到了“在此范围内未声明”的多次错误,如下所示:
/usr/include/c++/9/ext/string_conversions.h:84:25: error: ‘ERANGE’ was not declared in this scope
84 | else if (errno == ERANGE
| ^~~~~~
In file included from /usr/include/c++/9/system_error:39,
from /usr/include
我已经成功地编译了clang当前的3.3分支。但是,任何文件的C++编译都会失败,并显示错误/错误。这个问题能解决吗?
In file included from /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/iostream:39:
In file included from /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../include/c++/4.7/ostream:39:
In file included from /usr/lib/gcc/x86_64-linux
我最近下载了链接中提到的代码。我的GCC版本是4.1.2。在console中开始出现以下错误之前,编译过程至少进行了一个小时。
LLVM支持声明我需要使用gcc44-c++,这在我们的机器中是不可用的:
Red Hat Enterprise Linux Server release 5.5 (Tikanga)
# yum install gcc44-c++
Loaded plugins: security
ppsd-nonprod-base
我对这个问题的回答是:
FIRSTNAME COURSENAME
---------- --------------------
Anand C++
Bala C++
Dileep Linux and C
Gowri Java
Gowri Linux and C
Gowri C#
John C++
John Oracle
Prem Linux and C
Priya Java
Priya Oracle
Priya C#
Rahul Oracle
但是预期的输
我正在Linux上用C++开发一个程序。gcc的版本是4.5.1 20100924。我想在我的程序中使用std::atomic_int。我已经包含了原子头,如下所示:
include <atomic>
当我编译这个程序时,我得到了以下错误:
In file included from /usr/lib/gcc/x86_64-redhat-linux/4.5.1/../../../../include/c++/4.5.1/bits/atomic_base.h:87:0,
from /usr/lib/gcc/x86_64-redhat-linux/4.
我想把64 cpp应用程序变成32位Ubuntu。在编译过程中,我会收到以下错误:
In file included from /usr/include/c++/4.6/i686-linux-gnu/64/bits/os_defines.h:40:0,
from /usr/include/c++/4.6/i686-linux-gnu/64/bits/c++config.h:393,
from /usr/include/c++/4.6/string:40,
from ./util.h:4,
我不小心删除了包含/usr/include/c++中的所有C++头文件的文件夹。我怎样才能恢复
UPDATE我在/usr/include/c++中得到了头文件。然而,即使是一个简单的C++ Hello程序也给了我这个错误
In file included from /usr/include/c++/4.6/bits/localefwd.h:42:0,
from /usr/include/c++/4.6/ios:42,
from /usr/include/c++/4.6/ostream:40,
from /usr/in
我刚刚更新了我的arch linux系统的最新版本,其中包括gcc 7.1.1。试图建立这样的系统:
#include <functional>
int main(int argc, char** argv) {
return 1;
}
使用命令
clang++ main.cpp -std=c++1z
结果出现错误:
In file included from main.cpp:1:
In file included from /usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/7.1.1/../../../../include/c++/7
int delta[4][2] = {{0,1},{1,0},{0,-1},{-1,0}};
random_shuffle(&delta[0],&delta[4]);
编译错误:
/usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/bits/stl_algobase.h: In function 'void std::swap(_Tp&, _Tp&) [with _Tp = int [2]]':
/usr/lib/gcc/x86_64-redhat-linux/
我是linux的初学者,当我在我的raspberry pi上运行我的第一个程序"HELLOWORLD“时,出现了这个警告:
pi@raspberrypi:~/raspitest $ g++ test.cpp -o test
In file included from /usr/include/c++/8/ext/string_conversions.h:41,
from /usr/include/c++/8/bits/basic_string.h:6400,
from /usr/include/c++/8/string
在将麦克风应用程序的源代码与英特尔C++ (icpc)编译器链接时,我遇到错误。
intel-icc/2013-64版本:
SOMETHINGMIC.o: relocation R_X86_64_PC32 against undefined symbol `_ZN9__gnu_cxx21__atomic_add_dispatchEPii' can not be used when making a shared object; recompile with -fPIC
x86_64-k1om-linux-ld: final link failed: Bad value
intel-ic
我正在尝试编译一个包含<iostream>头的简单c++代码。令人惊讶的是,我正面临着我以前从未遇到过的错误。如果删除了<iostream>头,一切都会正常工作。
代码:
#include <iostream>
int main(){
return 0;
}
编译错误:
$ g++ temp.cpp
In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/stdint.h:9:0,
from /usr/include/c++/7/cstdint:4
#include <iostream>
using namespace std;
class C
{
public:
virtual string toString()
{
return "class C";
}
};
class B : public C
{
public:
string toString()
{
return "class B";
}
};
class A : public B
{
public:
string t
我在尝试运行
#include <iostream>
#include <string>
#include <regex>
int main()
{
std::string lines[] = {"Roses are #ff0000",
"violets are #0000ff",
"all of my base are belong to you"};
std::regex colo
我的Linux机器有以下定义:
RHEL 5.4
内核版本2.6.18
但是我没有g++命令。(我需要在Linux下编写c++程序)
例如:
[root@linux /etc]# g++
-bash: g++: command not found
我还尝试了以下几点:
yum install gcc
loaded plugins: security
Setting up Install Process
No package g++ available.
Nothing to do
我的问题是:如何安装/下载g++命令?从哪里可以得到g++?
我有gcc的命令,但这只是C程序,而不
可能重复:
所以我有这样的代码,它有一个和函数,把n个元素和到一个向量中。
C++语法(Toggle明文)
#include <iostream>
#include <vector> // need this in order to use vectors in the program
using namespace std;
void computeSum (vector<int> &Vec, int howMany, int total, bool success)
//the computeSum function that
每当我尝试用IOStream编译一个C++文件时,我都会得到这个错误。我已经尝试重新安装了GCC G++ ( 4.6和4.9)和cpp。它没有帮助(或者可能我没有用正确的方法)。如何修复此错误
In file included from /usr/include/c++/4.9/bits/localefwd.h:40:0,
from /usr/include/c++/4.9/ios:41,
from /usr/include/c++/4.9/ostream:38,
from /usr/include/c++/4.9/