i try to install with yum :
Total download size: 29 M
Is this ok [y/N]: y
Downloading Packages:
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing: libgcc ######################### [1/5]
error: unpacking of archive failed on file /usr/sbin/libgcc_post_upgrade;48891b97: cpio: open
Installing: glibc-common [2/5]warning: /etc/default/nss created as /etc/default/nss.rpmnew
Installing: glibc-common ######################### [2/5]
error: unpacking of archive failed on file /usr/bin/catchsegv;48891b97: cpio: open
Installing: glibc [3/5]warning: /etc/ld.so.conf created as /etc/ld.so.conf.rpmnew
Installing: glibc [3/5]warning: /etc/localtime created as /etc/localtime.rpmnew
Installing: glibc [3/5]warning: /etc/nsswitch.conf created as /etc/nsswitch.conf.rpmnew
Installing: glibc [3/5]warning: /etc/rpc saved as /etc/rpc.rpmorig
Installing: glibc ######################### [3/5]
error: unpacking of archive failed on file /sbin/ldconfig;48891b97: cpio: open
Installing: cpp ######################### [4/5]
error: unpacking of archive failed on file /usr/bin/cpp;48891b97: cpio: open
Installing: gcc ######################### [5/5]
error: unpacking of archive failed on file /usr/bin/c89;48891b97: cpio: open

Installed: gcc.i386 0:4.1.2-42.el5
Dependency Installed: cpp.i386 0:4.1.2-42.el5 glibc.i686 0:2.5-24 glibc-common.i386 0:2.5-24 libgcc.i386 0:4.1.2-42.el5
Complete!
[trixbox1.local ~]# gcc
-bash: gcc: command not found

gcc comes with the fedora installation CD, you should be able to install from there

or
http://www.webhostingtalk.com/showthread.php?t=625780


from http://djkaos.wordpress.com/2007/12/...edora-8-guide/

4)GCC compatibility:

Fedora 8 ships and uses GCC 4.1. Some applications that were compiled with an older GCC (ex: 3.2) will require compatibility libraries

yum -y install compat-libstdc++-33 compat-libstdc++-296

For fedora 9
http://djkaos.wordpress.com/2008/05/...entials-guide/

Seems like you are running RHEL, so the Fedora install CD won't help.
If you're running Fedora, then you have the wrong repository sneaked into your yum settings.

Linux Archive

oops, I didn't notice you were using Red Hat Enterprise Linux 5. Here is a CentOS 5 support forum you can post to (100% binary compatible with RHEL5):

http://www.centos.org/modules/newbb/index.php?cat=8

http://rpm.pbone.net/index.php3/stat....i386.rpm.html
is a filelist of gcc-4.1.2-42.el5.i386.rpm
and /usr/bin/gcc is included (of course)
Are you quite sure it is installed ?
And no need to be root to test gcc !
( "" [trixbox1.local ~]# gcc "" )

Regards