userdel -rf abcd # Wipe user abcd
useradd abcd # Add a new user named abcd
su abcd # Become user abcd
mkdir ~/rpmbuild ; mkdir ~/rpmbuild/{BUILD,RPMS,SPECS,SOURCES,SRPMS} # Build the directory structure for rpmbuild
echo "%_topdir /home/abcd/rpmbuild" > ~/.rpmmacros
echo "%packager Test User " >> ~/.rpmmacros
cd ~ ; curl -O http://vault.centos.org/6.4/os/Source/SPackages/openssl-1.0.0-27.el6.src.rpm
rpm --install openssl-1.0.0-27.el6.src.rpm
cd ~/rpmbuild/SPECS
sed -i -e "s/no-ec/enable-ec/; s/no-ecdh/enable-ecdh/; s/no-ecdsa/enable-ecdsa/" ~/rpmbuild/SPECS/openssl.spec
sed -i -e "s/^Source1: hobble-openssl/#&/; s/^%.SOURCE1. /#&/" ~/rpmbuild/SPECS/openssl.spec
rpmbuild -ba openssl.spec 1>e1 2>e2 &