gcc update question for CentOS 5.7

SamiBH · 04-10-2013, 10:14 AM

Hello,

I know very little about linux.

I need to update gcc to at least 4.4 for xbt install

when I do

Code:

yum install boost-devel gcc-c++ mysql-devel subversion

I get Finished

Code:

Setting up Install Process Package boost-devel-1.33.1-16.el5_9.i386 already installed and latest version 
Package gcc-c++-4.1.2-54.el5.i386 already installed and latest version 
No package mysql-devel available.

.............

also tried:

Code:

yum install gcc44-gfortran
yum install gcc44-c++
export CC=/usr/bin/gcc44 
export CXX=/usr/bin/g++44

but still gcc version 4.1.2

system:

CentOS release 5.7 (Final)

Thank you,

knudfl · 04-10-2013, 11:41 AM

Welcome to LQ.

You can have as many versions of gcc / gcc-c++ as you want,
installed at the same time : They all have unique file names.

# yum install gcc-c++ gcc44-c++ compat-gcc-34-c++
.. provide /usr/bin/ g++ g++34 g++44 gcc gcc34 gcc44

The "gcc44 / gcc44-c++" is not an update. Is one of more extra compilers.

Using, examples : $ gcc44 <input file>
$ export CC=gcc44 CXX=g++44 && ./configure

-