blocks|key|454975|text|您要查找的包的名称gcc-c%2B%2B令人困惑。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|454976|entityMap|0|LINK|mutability|MUTABLE|url|http://www.rpmfind.net/linux/rpm2html/search.php?query=gcc-c%252b%252b^0|9|7|9|7|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@$9|O|A|P|B|C]]|D|@$9|Q|A|R|1|S]]|E|$]]|$1|F|3|-4|5|6|7|T|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]]]

The package you're looking for is confusingly named <a href="http://www.rpmfind.net/linux/rpm2html/search.php?query=gcc-c%2b%2b" rel="noreferrer"><code>gcc-c++</code></a>.

blocks|key|237018|text|而不是g%2B%2B，你必须编写gcc-c%2B%2B|type|unstyled|depth|inlineStyleRanges|entityRanges|data|237019|sudo+dnf+install+gcc-c%2B%2B|code-block|syntax|javascript|237020|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

instead of g++ you have to write gcc-c++

<pre><code>sudo dnf install gcc-c++
</code></pre>

blocks|key|237032|text|你应该执行：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|237033|dnf+install+gcc-c%2B%2B|code-block|syntax|javascript|237034|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

You should exec:

<pre><code>dnf install gcc-c++
</code></pre>

blocks|key|237079|text|先试试sudo+dnf+update，然后试试sudo+dnf+install+gcc-c%2B%2B|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|237080|entityMap^0|3|F|N|O|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

try
<code>sudo dnf update</code> and then 
<code>sudo dnf install gcc-c++</code>

blocks|key|455111|text|由于Fedora22yum已被弃用，因此其他答案中给出的命令实际上将启动“时髦的yum”，即dnf。因此，在最新的发行版中安装g%2B%2B的新命令是|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|455112|su+-c+"dnf+install+gcc-c%2B%2B"|code-block|syntax|javascript|455113|从2015年11月起，这将安装5.1.1版本。|455114|还要注意，在Fedora23中，当我给出命令g%2B%2B+-v时，Fedora自动询问我是否要安装gcc-c%2B%2B包。我认为这很好(在安装之后，它还为我运行了命令g%2B%2B+-v+)|455115|我唯一能做的就是你会收到*+Downloading+packages...消息，而不是进度指示器，如果你的网络连接速度很慢，你可能不会喜欢。|455116|entityMap^0|1A|3|0|0|0|M|6|25|6|0|C|P|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|X|8|@$9|Y|A|Z|B|C]|$9|10|A|11|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|12|8|@$9|13|A|14|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|15|8|@]|D|@]|E|$]]]|R|$]]

Since Fedora 22 yum has been deprecated so the commands given in other answers will actually fire up 'Dandified yum' i.e. <code>dnf</code>. So the new command to install g++ in recent distributions is

<pre><code>su -c "dnf install gcc-c++"
</code></pre>

As of Nov 2015 this installs the 5.1.1 version. 
Also note that in Fedora 23 when I gave the command <code>g++ -v</code>, Fedora automatically asked me if I want to install gcc-c++ package. I think thats nice.(After the install it also ran the command <code>g++ -v</code> for me) 
Only nit pick that I can do about it is that instead of a progress indicator you just get <code>* Downloading packages...</code> message which you may not like if you are on a slow internet connection.

blocks|key|455160|text|在较新的发行版中，您只需键入命令即可|type|unstyled|depth|inlineStyleRanges|entityRanges|data|455161|su+root
dnf+update
dnf+install+gcc-c%2B%2B|code-block|syntax|javascript|455162|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

In the newer distribution you can just type command as blow

<pre><code>su root
dnf update
dnf install gcc-c++
</code></pre>

blocks|key|455273|text|只需制作一个“Hello+World”示例程序，并尝试在终端中使用"g%2B%2B+sam.cpp“对其进行编译，它会询问您是否要下载g%2B%2B包。按y安装。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|455274|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Just make a sample 'Hello World' Program and try to compile it using "g++ sam.cpp" in terminal, and it will ask you if you wish to download the g++ package. Press y to install.

blocks|key|455286|text|我也有同样的问题。至少我可以这样解决这个问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|455287|sudo+yum+install+gcc+gcc-c%2B%2B|code-block|syntax|javascript|455288|希望它也能解决你的问题。|455289|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I had the same problem. At least I could solve it with this:

<pre><code>sudo yum install gcc gcc-c++
</code></pre>

Hope it solves your problem too.

blocks|key|237219|text|在终端仿真器中运行以下命令：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|237220|sudo+dnf+install+gcc-c%2B%2B|code-block|syntax|javascript|237221|输入密码就行了.|237222|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Run the command bellow in a terminal emulator:

<pre><code>sudo dnf install gcc-c++
</code></pre>

Enter password and that's it...

How do I install <code>g++</code> for Fedora Linux? I have been searching the <code>dnf</code> command to install <code>g++</code> but didn't find anything.

How do I install it?

I have already installed <code>gcc</code>

How do I install g++ for Fedora?

Fedora

Linux

如何为Fedora Linux安装g++？我一直在搜索dnf命令来安装g++，但是没有找到任何东西。如何安装？我已经安装了gcc

问如何为Fedora安装g++？
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