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How to install c++ via yum command without using "Development Tools" group? – CentOS

I want to run c++ on my centos machine. My Google searches says that run yum group install "Development Tools" command but this downloads other packages too like bison,perl,automake, etc which is not required for my use-case and only increases my docker container size. Can someone suggest the necessary packages required to run c++ ?
TIA

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2

Answers


  1. 0

    The only necessary tool to "run" C++ (aka build C++) is a compiler:

    sudo yum install gcc
echo "#include <iostream>" > main.cpp
echo "int main(){ std::cout << "Hello World" << std::endl; }" >> main.cpp  
gcc main.cpp -o test -lstdc++ 
./test
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  2. 0

    Sure, you can:

    sudo yum install gcc gcc-c++

    This will install default gcc version supplied by your distro.
    If you are on RHEL 7 and/or CentOS 7, the default gcc version is quite outdated (4.8.5), so you may want to install "devtoolset-N", which provide newer GCC versions, via Software Collections, for example look at this one. In there, in my experience, installing the devtoolset-N package will install the whole buch of stuff, similar to what groupinstall "Development Tools" does, so for Docker container it is good enough to only install devtoolset-N-toolchain. I also once needed devtoolset-N-libatomic-devel.

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