How to sepecifed the compiler in configure openssl?

I want to configure openssl in AIX4.3 OS platform. There are cc, gcc and Xlc_r coexisted. How could I sepecifed Xlc_r to compiler openssl, so that do not let openssl configure to find the suitable compiler?

Why "invoked ssl23_client_hello fn" always prompt to my terminal oncei communicate with web server with ssl?

This is only happens in Sun5.6 platform.   Each time, I post something to a web server (https://.),   my terminal will soon echo "invoked ssl23_client_hello fn" information, why and how to shut it off??  

initial ssl failed, why?

[Sat Nov 27 16:07:11 2004] [error] Unable to configure RSA server private key[Sat Nov 27 16:07:11 2004] [error] SSL Library Error: 185073780 error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch

problem about using certificate

if i comment the following line: #SSLVerifyClient require the internet explorer can visit my apache server(version:Apache_2.0.52-Openssl_0.9.7e) with url:https://10.71.105.40/index.htm   But, if I use SSLVerifyClient require option, internel explorer can't visit the above url.   What maybe th