Upgrade SSH Compilation errors

Upgrade SSH compile time encountered PAM headers not found, then need to install pam-devel-1.1.1-20.el6.x86_64, download RPM package, install error, and then use yum-y installed Pam-devel installation was successful. See details of Operation

Checking whether OpenSSL has nid_secp384r1 ... yes
Checking whether OpenSSL has nid_secp521r1 ... yes
Checking if OpenSSL ' s NID_SECP521R1 is functional ... yes
Checking for arc4random ... no
Checking for arc4random_buf ... no
Checking for Arc4random_stir ... no
Checking for arc4random_uniform ... no
Checking for Ia_openinfo in-liaf ... no
Checking whether OpenSSL ' s PRNG is internally seeded ... yes
Configure:error:PAM headers not found

[Email protected] openssh-6.7p1]# Rpm-qa | grep Pam
pam-1.1.1-20.el6.i686
fprintd-pam-0.1-21.git04fd09cfa.el6.i686
pam_passwdqc-1.0.5-6.el6.i686
[Email protected] openssh-6.7p1]# CD.

[Email protected] software]# RPM-IVH pam-devel-1.1.1-20.el6.x86_64.rpm
error:failed dependencies:
libpam.so.0 () (64bit) is needed by pam-devel-1.1.1-20.el6.x86_64
libpam_misc.so.0 () (64bit) is needed by pam-devel-1.1.1-20.el6.x86_64
libpamc.so.0 () (64bit) is needed by pam-devel-1.1.1-20.el6.x86_64
[Email protected] software]# yum-y install Pam-devel
Loaded plugins:security
Setting up Install Process
Base | 3.7 KB 00:00
Epel | 4.4 KB 00:00
epel/primary_db | 5.3 MB 00:00
Extras | 3.4 KB 00:00
Updates | 3.4 KB 00:00
updates/primary_db | 2.0 MB 00:00
Resolving Dependencies
--Running Transaction check
---> Package pam-devel.i686 0:1.1.1-20.el6 'll be installed
--Finished Dependency Resolution

Dependencies resolved

=============================================================================================
Package Arch Version Repository Size
=============================================================================================
Installing:
Pam-devel i686 1.1.1-20.el6 Base 206 k

Transaction Summary
=============================================================================================
Install 1 package (s)

Total Download size:206 k
Installed size:548 K
Downloading Packages:
pam-devel-1.1.1-20.el6.i686.rpm | 206 KB 00:00
Running Rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
installing:pam-devel-1.1.1-20.el6.i686 1/1
verifying:pam-devel-1.1.1-20.el6.i686 1/1

Installed:
pam-devel.i686 0:1.1.1-20.el6

complete!

Upgrade SSH Compilation errors