T3News201309040954 < CmsTier3

Tags: view all tags

<!-- keep this as a security measure:
   #uncomment if the subject should only be modifiable by the listed groups 
   * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup
   * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup
   #uncomment this if you want the page only be viewable by the listed groups
   # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup
-->

*CMS Tier-3 News Item*

<!--
  # Use the attached form to define title and summary of this news item. The details you can fill in directly on this wiki page.
-->

---+ %FORMFIELD{"Title"}%

---++ Summary
%FORMFIELD{"Summary"}%

---++ Details
To allow to the T3 users to use a recent version of the =gcc= compilers on SL5 *without* altering the SL5 system =gcc= compilers and dependencies we've deployed a package developed by Red Hat and called the =Developer Toolset=; this free software has been replicated by CERN IT in their repositories and from there has been deployed on each =t3ui0[1-9]= and =t3wn[10-40]= server.

Please read the =User Guide .pdf= present on: [[http://linux.web.cern.ch/linux/devtoolset/index.shtml]].

To activate the =Developer Toolset= in interactive mode run the following command in your shell:
<pre>
[martinelli_f@t3ui02 ~]$ scl enable devtoolset-1.1 bash
</pre> 
and check out that you're pointing now to the 2012 =gcc= compilers:
<pre>
[martinelli_f@t3ui02 ~]$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/opt/rh/devtoolset-1.1/root/usr/libexec/gcc/x86_64-redhat-linux/4.7.2/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/opt/rh/devtoolset-1.1/root/usr --mandir=/opt/rh/devtoolset-1.1/root/usr/share/man --infodir=/opt/rh/devtoolset-1.1/root/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-bootstrap --enable-shared --enable-threads=posix --enable-checking=release --disable-build-with-cxx --disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --disable-gnu-unique-object --enable-linker-build-id --enable-languages=c,c++,fortran,lto --enable-plugin --with-linker-hash-style=gnu --enable-initfini-array --disable-libgcj --with-gmp=/builddir/build/BUILD/gcc-4.7.2-20121015/obj-x86_64-redhat-linux/gmp-install --with-mpfr=/builddir/build/BUILD/gcc-4.7.2-20121015/obj-x86_64-redhat-linux/mpfr-install --with-ppl=/builddir/build/BUILD/gcc-4.7.2-20121015/obj-x86_64-redhat-linux/ppl-install --with-cloog=/builddir/build/BUILD/gcc-4.7.2-20121015/obj-x86_64-redhat-linux/cloog-install --with-mpc=/builddir/build/BUILD/gcc-4.7.2-20121015/obj-x86_64-redhat-linux/mpc-install --with-tune=generic --with-arch_32=i586 --build=x86_64-redhat-linux
Thread model: posix
gcc version 4.7.2 20121015 (Red Hat 4.7.2-5) (GCC) <------------
</pre>

T3NewsForm
Title	devtools-1.1 utilities installed on the t3ui,t3wn servers
Summary	By using these utilities users can arbitrarily use either the 2012 gcc compilers - ver. 4.7.2 or the 2008 default gcc compilers - ver. 4.1.2
User	FabioMartinelli
Date	04. 09. 2013

Topic revision: r2 - 2013-09-04 - FabioMartinelli

CmsTier3

User Pages
Main Page
Policies

Physics Groups
Steering Board Meetings

Admin Pages
AdminArea
Cluster Specs