AIX extension woes

I'm having some problems getting an extension to work in the AIX environment, and I'm wondering if anyone has seen anything similar. Please reply to me, and I will summarize for the list if there is a solution. I'm using PHP 4.1.2, and everything is fine until I add an extension to the php.ini file. Then, on startup, I get the following error messages: PHP Warning: Unable to load dynamic library '/usr/HTTPServer/libexec/libfirstmod.so' - Invalid argument in Unknown on line 0 PHP Warning: Unable to load dynamic library '/usr/HTTPServer/libexec/libfirstmod.so' - Invalid argument in Unknown on line 0 And the extension doesn't load. If I try to load it within a page using dl(), I get a similar problem. The module works fine on Solaris. I additionally tried using the firstmod module in the documentation, and get the same results. Here's what I'm using to compile PHP and the extension: env CC=cc CXX=xlC CFLAGS="-ma -Dinline" ./configure --enable-shared --with-apxs=/usr/HTTPServer/bin/apxs --with-ibm-db2=/usr/db2inst1/sqllib --without-mysql --with-ldap=/users/rysmith/apache/openldap-2.0.25_AIX/ cc -I/usr/local/include -I../../Zend -I../../main -I../.. -I../../TSRM -c -o firstmod.o firstmod.c cc -G -qmkshrobj -o libfirstmod.so firstmod.o --Ryan