Should create similar subpackages instead?
Solves file conflicts:
file /usr/share/pear/Crypt/Blowfish.php from install of php-seclib-0.3.5-2.noarch conflicts with file from package php-pear-Crypt_Blowfish-0:1.1.0-0.RC2.2.noarch
file /usr/share/pear/Crypt/RSA.php from install of php-seclib-0.3.5-2.noarch conflicts with file from package php-pear-Crypt_RSA-0:1.2.1-3.noarch
file /usr/share/pear/Math/BigInteger.php from install of php-seclib-0.3.5-2.noarch conflicts with file from package php-pear-Math_BigInteger-1.0.3-1.noarch
Summary: PHP Secure Communications Library
Name: php-%{pkgname}
Version: 0.3.5
-Release: 2
+Release: 3
License: MIT
Group: Development/Languages/PHP
Source0: http://downloads.sourceforge.net/phpseclib/phpseclib%{version}.zip
Requires: php(pcre)
Requires: php(xml)
Requires: php-pear
+Obsoletes: php-pear-Crypt_Blowfish <= 1.1.0-0.RC2.2
+Obsoletes: php-pear-Crypt_RSA <= 1.2.1-3
+Obsoletes: php-pear-Math_BigInteger <= 1.0.3-1
BuildArch: noarch
BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)