lista saludos , alguien ha compilado pwlib centos 6 , no lo logro jalar

from ../../ptclib/pssl.cxx:203: /usr/src/pwlib_v1_10_3/include/ptlib/notifier.h: In constructor âPNotifierFunction::PNotifierFunction(void*)â: /usr/src/pwlib_v1_10_3/include/ptlib/notifier.h:42: warning: the address of âobjâ will always evaluate as âtrueâ ../../ptclib/pssl.cxx: In constructor âPSSLContext::PSSLContext(const void*, PINDEX)â: ../../ptclib/pssl.cxx:891: error: invalid conversion from âconst SSL_METHOD*â to âSSL_METHOD*â make[2]: *** [/usr/src/pwlib_v1_10_3/lib/obj_linux_x86_64_r/pssl.o] Error 1 make[2]: Leaving directory `/usr/src/pwlib_v1_10_3/src/ptlib/unix' make[1]: *** [opt] Error 2 make[1]: Leaving directory `/usr/src/pwlib_v1_10_3' make: *** [optshared] Error 2