Linux中 CentOS 6.5 手动升级gcc到gcc-6.1.0
<p>从进入码农时代已经有好几年了，一直没有写博文的习惯，用到的很多东西没有记录，到后面就忘了，需要用时，又不停上百度google一下，费时间又费精力，还不一定能找到满意的答案，因此开个博客记录下。（废话不多说了）</p>
<p>
今天在公司服务器上源码安装Nodejs报错 WARNING: C++ compiler too old, need g++ 4.8 or clang++ 3.4 (CXX=g++)，直接yum update gcc不能升级到4.8，然后只能手动处理了。</p>
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开始，如果linux安装了wget命令： </p>
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<code class="bash plain">wget http:</code><code class="bash plain">//ftp</code><code class="bash plain">.gnu.org</code><code class="bash plain">/gnu/gcc/gcc-6</code><code class="bash plain">.1.0</code><code class="bash plain">/gcc-6</code><code class="bash plain">.1.0.</code><code class="bash functions">tar</code><code class="bash plain">.gz</code>
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<code class="bash functions">tar</code> <code class="bash plain">-zvxf gcc-6.1.0.</code><code class="bash functions">tar</code><code class="bash plain">.gz --directory=</code><code class="bash plain">/usr/local/</code>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local/gcc-6</code><code class="bash plain">.1.0</code>
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<code class="bash plain">.</code><code class="bash plain">/contrib/download_prerequisites</code>
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<code class="bash functions">mkdir</code> <code class="bash plain">build && </code><code class="bash functions">cd</code> <code class="bash plain">build </code>
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<code class="bash plain">..</code><code class="bash plain">/configure</code> <code class="bash plain">-</code><code class="bash functions">enable</code><code class="bash plain">-checking=release -</code><code class="bash functions">enable</code><code class="bash plain">-languages=c,c++ -disable-multilib </code>
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<code class="bash functions">make</code> <code class="bash plain">&& </code><code class="bash functions">make</code> <code class="bash functions">install</code>
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如果是在虚拟机上安装，可能需要3-4个小时，耐心等待吧，少年。。。</p>
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如果如果，如果你的linux很不辛，没有安装wget命令，或者不能访问外网，怎么办？？？继续往下看：</p>
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先下载好最新的gcc（http://ftp.gnu.org/gnu/gcc/），我用的gcc-6.1.0.tar.gz，通过ftp上传到Linux上，解压： </p>
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<code class="bash functions">tar</code> <code class="bash plain">-zvxf gcc-6.1.0.</code><code class="bash functions">tar</code><code class="bash plain">.gz --directory=</code><code class="bash plain">/usr/local/</code>
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<code class="bash functions">cd</code> <code class="bash plain">/usr/local/gcc-6</code><code class="bash plain">.1.0</code>
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然后用vi打开 ./contrib/download_prerequisites 文件，查看当前你下载的gcc需要哪些依赖包。打开后看到如下内容：</p>
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由此，我们还需要下载 gmp-4.3.2.tar.bz2、isl-0.15.tar.bz2、mpc-0.8.1.tar.gz、mpfr-2.4.2.tar.bz2，注意，依赖包一定要是指定版本的，否则会出问题。下载好依赖包，直接解压到/usr/local/gcc-6.1.0/ 目录，然后设置软链接：</p>
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<code class="bash functions">ln</code> <code class="bash plain">-sf gmp-4.3.2 gmp</code>
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<code class="bash functions">ln</code> <code class="bash plain">-sf isl-0.15 isl</code>
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<code class="bash functions">ln</code> <code class="bash plain">-sf mpc-0.8.1 mpc</code>
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<code class="bash functions">ln</code> <code class="bash plain">-sf mpfr-2.4.2 mpfr</code>
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设置好后，就可以开始安装了：</p>
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<code class="bash functions">mkdir</code> <code class="bash plain">build && </code><code class="bash functions">cd</code> <code class="bash plain">build </code>
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<code class="bash plain">..</code><code class="bash plain">/configure</code> <code class="bash plain">-</code><code class="bash functions">enable</code><code class="bash plain">-checking=release -</code><code class="bash functions">enable</code><code class="bash plain">-languages=c,c++ -disable-multilib </code>
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<code class="bash functions">make</code> <code class="bash plain">&& </code><code class="bash functions">make</code> <code class="bash functions">install</code>
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以上所述是小编给大家介绍的Linux中 CentOS 6.5 手动升级gcc到gcc-6.1.0，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！</p>
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