Shulou(Shulou.com)06/03 Report--

1 download the source code

Link

The latest version is 9.2.

2 extract the tar-zxvf gcc-9.2.0.tar.gzcd gcc-9.2.03 download_prerequisites script

Run this script:

. / contrib/download_prerequisites

4 temporary directory

Create a temporary directory to place intermediate files.

Mkdir gcc_9_2_0_buildcd gcc_9_2_0_build5 generates the makefile file.. / configure-enable-checking=release-enable-languages=c,c++-disable-multilib

No, it's this one:

Here are a few options:

-enable-checking /-disable-checking

Indicates whether the compiler makes additional checks during compilation.

-enable-languages

Represents a supported language that can support

Ada c C++ d fortran go jit lto objc obj-c++-disable-multilib

Turn off multi-schema support to support arm,m68,mips,msp430,powerpc schemas.

6 compile sudo make-j6-jn

The option is expressed as multi-core processor optimization, n is the number of cores, and the author's is 6 cores.

This operation is extremely time-consuming, it is recommended to prepare enough time. If there is an error, it usually stops in about a minute or two. If it is not successful, please use it directly.

Sudo make7 install sudo make install8 verify gcc-v

If it is still the old version, please restart and try again.

The following is a successful screenshot:

9 Delete

You can delete the installation file and the zip file.

Rm-rf gcc*

Pay attention to the directory where it is located.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.