pecl install sqlsrv pdo_sqlsrv( configure or make error because of gcc version)
make error
core_conn.cpp error: expected type-specifier
#Gcc version must be 4.8.xx install
wget http://people.centos.org/tru/devtools-2/devtools-2.repo -O /etc/yum.repos.d/devtools-2.repo
yum install devtoolset-2-gcc devtoolset-2-binutils devtoolset-2-gcc-c++
#add /etc/profile
export CC=/opt/rh/devtoolset-2/root/usr/bin/gcc
export CPP=/opt/rh/devtoolset-2/root/usr/bin/cpp
export CXX=/opt/rh/devtoolset-2/root/usr/bin/c++
#. /etc/profile or source /etc/profile
pecl install sqlsrv pdo_sqlsrv