Install libffi-devel

地址： https://gist.github.com/rderoldan1/5920539

[rpmforge]
# name=rpmforge
# baseurl=http://10.10.10.180/rpmforge
# failovermethod=priority
# enabled=1
# gpgcheck=0
# #gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
# gpgkey=http://10.10.10.180/centos65x64_base/RPM-GPG-KEY-CentOS-6

name = Red Hat Enterprise $releasever - RPMforge.net - dag
#baseurl = http://apt.sw.be/redhat/el5/en/$basearch/dag
mirrorlist = http://apt.sw.be/redhat/el5/en/mirrors-rpmforge
#mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge
enabled = 1
protect = 0
gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag
gpgcheck = 1

1. Create a repo file in /etc/yum.repos.d/rpmforge.repo, you need to be an admin
2. Copy the following text.

#Name: RPMforge RPM Repository for Red Hat Enterprise 5 - dag
   #URL: http://rpmforge.net/
   [rpmforge]
    name = Red Hat Enterprise $releasever - RPMforge.net - dag
    #baseurl = http://apt.sw.be/redhat/el5/en/$basearch/dag
    mirrorlist = http://apt.sw.be/redhat/el5/en/mirrors-rpmforge
    #mirrorlist = file:///etc/yum.repos.d/mirrors-rpmforge
    enabled = 1
    protect = 0
    gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-rpmforge-dag
    gpgcheck = 1

1. Download the the rpmforge gpg key

   $ sudo rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt
   

2. Install the package via yum

   $ sudo yum install libffi-devel