CentOS 6.5 Upgrade GCC 4.9.3

Source: Internet
Author: User

1. Download the source code installation package on the official website:

Gcc-4.9.3.tar.gz

2. Unzip the installation package and enter the extracted folder:

TAR-ZXVF gcc-4.9.3.tar.gz

3. Download dependencies using the tools in the compact package:

./contrib/download_prerequisites

When you execute this command, you need to download the dependency package online;

4. Build the compiled output folder:

mkdir output

CD output

5. Compile the GCC source code:

.. /configure--enable-checking=release--enable-languages=c,c++--disable-multilib

Make-j4

Make install//require root permission

6. Verify the GCC version:

GCC--version

Output the following information:

GCC (GCC) 4.9.3

7. C++11 Code test:

// Test.cpp  <ostream><memory>int  main () {        std::shared_ptr<double  newdouble(2.3));         << *ptr << std::endl;         return 0 ;   

g++-std=c++11 Test.cpp

CentOS 6.5 Upgrade GCC 4.9.3

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.