os: centos 7.4
yum repolist
之前已经安装了 epel
# yum repolist
repo id repo name status
base/7/x86_64 CentOS-7 - Base 10,097
epel/x86_64 Extra Packages for Enterprise Linux 7 - x86_64 13,490
extras/7/x86_64 CentOS-7 - Extras 305
updates/7/x86_64 CentOS-7 - Updates 997
yum install scl
# yum install centos-release-scl centos-release-scl-rh
# yum repolist
repo id repo name status
base/7/x86_64 CentOS-7 - Base 10,097
centos-sclo-rh/x86_64 CentOS-7 - SCLo rh 8,770
centos-sclo-sclo/x86_64 CentOS-7 - SCLo sclo 869
epel/x86_64 Extra Packages for Enterprise Linux 7 - x86_64 13,490
extras/7/x86_64 CentOS-7 - Extras 305
updates/7/x86_64 CentOS-7 - Updates 997
可以看到已经有 centos-sclo-rh、centos-sclo-sclo 的源了
安装某个 scl 软件包
# yum list all |grep -i scl-util
scl-utils.x86_64 20130529-17.el7_1 @anaconda
scl-utils.x86_64 20130529-19.el7 base
scl-utils-build.x86_64 20130529-19.el7 base
# yum install scl-utils scl-utils-build
# yum --disablerepo='*' --enablerepo='centos-sclo-rh' list available
# yum --disablerepo='*' --enablerepo='centos-sclo-sclo' list available
查看从 scl 安装的软件包
# scl --list
安装某个 scl 软件包,都是 centos-sclo-rh 源
# yum install llvm-toolset-7
============================================================================================================================================
Package Arch Version Repository Size
============================================================================================================================================
Installing:
llvm-toolset-7 x86_64 5.0.1-4.el7 centos-sclo-rh 3.9 k
Installing for dependencies:
devtoolset-7-binutils x86_64 2.28-11.el7 centos-sclo-rh 5.3 M
devtoolset-7-gcc x86_64 7.3.1-5.16.el7 centos-sclo-rh 29 M
devtoolset-7-gcc-c++ x86_64 7.3.1-5.16.el7 centos-sclo-rh 11 M
devtoolset-7-libstdc++-devel x86_64 7.3.1-5.16.el7 centos-sclo-rh 2.5 M
devtoolset-7-runtime x86_64 7.1-4.el7 centos-sclo-rh 20 k
llvm-toolset-7-clang x86_64 5.0.1-4.el7 centos-sclo-rh 545 k
llvm-toolset-7-clang-libs x86_64 5.0.1-4.el7 centos-sclo-rh 13 M
llvm-toolset-7-compiler-rt x86_64 5.0.1-2.el7 centos-sclo-rh 1.7 M
llvm-toolset-7-libomp x86_64 5.0.1-2.el7 centos-sclo-rh 246 k
llvm-toolset-7-lldb x86_64 5.0.1-4.el7 centos-sclo-rh 5.0 M
llvm-toolset-7-llvm x86_64 5.0.1-8.el7 centos-sclo-rh 2.6 M
llvm-toolset-7-llvm-libs x86_64 5.0.1-8.el7 centos-sclo-rh 13 M
llvm-toolset-7-python2-lit noarch 0.5.1-1.el7 centos-sclo-rh 99 k
llvm-toolset-7-runtime x86_64 5.0.1-4.el7 centos-sclo-rh 1.1 M
Transaction Summary
============================================================================================================================================
Install 1 Package (+14 Dependent packages)
# scl --list
devtoolset-7
llvm-toolset-7
切换版本
# scl enable llvm-toolset-7 bash
# source /opt/rh/llvm-toolset-7/enable
# lldb -version
lldb version 5.0.1
# which clang
/opt/rh/llvm-toolset-7/root/usr/bin/clang
# clang --version
clang version 5.0.1 (tags/RELEASE_501/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/rh/llvm-toolset-7/root/usr/bin
clang version 5.0.1 (tags/RELEASE_501/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /opt/rh/llvm-toolset-7/root/usr/bin
参考:
https://linux.cn/article-6776-1.html
https://www.softwarecollections.org/en/docs/
