* cmake
* GNU make (make)
* C++ compiler (gcc-c++ >= 4.7 on RHEL/SUSE, build-essential on Debian, alternatively clang++)
-* OpenSSL library and header files (openssl-devel on RHEL, libssl-dev on Debian)
+* OpenSSL library and header files >= 0.9.8 (openssl-devel on RHEL, libopenssl1-devel on SLES11,
+libopenssl-devel on SLES12, libssl-dev on Debian)
* Boost library and header files (boost-devel on RHEL, libboost-all-dev on Debian)
* GNU bison (bison)
* GNU flex (flex) >= 2.5.35