2013/01/27: initial testing of the chrooted rebuild of Red Hat DevTools 1.1 for CentOS-5/6 x86_64
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wget http://people.centos.org/tru/devtools-1.1/devtools-1.1.repo -O /etc/yum.repos.d/devtools-1.1.repo
yum install devtoolset-1.1
scl enable devtoolset-1.1 bash
gcc -v
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scl.pdf from http://jnovy.fedorapeople.org/scl-utils/scl.pdf

https://access.redhat.com/site/documentation/Red_Hat_Developer_Toolset/