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You can have the meta RPM "devtoolset-4-toolchain" installed to get all the devtoolset GCC related RPMs installed:
ksa@iris02 $ rpm -q --requires devtoolset-4-toolchain
devtoolset-4-runtime
devtoolset-4-gcc
devtoolset-4-gcc-c++
devtoolset-4-gcc-gfortran
devtoolset-4-binutils
devtoolset-4-gdb
devtoolset-4-strace
devtoolset-4-dwz
devtoolset-4-elfutils
devtoolset-4-memstomp
devtoolset-4-ltrace
To use the newer versions in a bash script after the RPMs are installed:
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#-----------------------------------------
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# to enable newer gcc from software collections:
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# (replace devtoolset-4 with current version of devtoolset)
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#-----------------------------------------
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if [ -x /opt/rh/devtoolset-4/enable ]; then
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echo Enabling GCC from Developer Toolset
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source /opt/rh/devtoolset-4/enable
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fi
To use the newer versions on the command line after the RPMs are installed:
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user@host $ scl enable devtoolset-4 bash
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bash-4.1$ gcc --version
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gcc (GCC) 5.2.1 20150902 (Red Hat 5.2.1-2)
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bash-4.1$ exit...
ksa@iris02 $ scl enable devtoolset-4 'gcc --version'
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gcc (GCC) 5.2.1 20150902 (Red Hat 5.2.1-2)
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Copyright (C) 2015 Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
The Red Hat Developer Toolset (DTS) is intended to give developers access to updated compilers and tools for C and C++ development.
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