PHP + IMAP compilation problem

HI! I need some help here. I'm trying to make work Horde/IMP webmail. I'm running FreeBSD 4.3 in my box and I'm using Apache 1.3.20, PHP 4.0.6 and MySQL 3..23.39. I've installed c-client (from FreeBSD available packages instalation CDROM but I've tryed with tarball from ftp://ftp.cac.washington.edu/imap/ too). I've installed libc-client4.so in /usr/local/lib and c-client.h, rfc822.h, mail.h, etc. in /usr/local/include. PHP configure/make/make install process works fine but the Apache configure script die with: [......] '/usr/local/lib/libc-client4.so: undefined reference to 'mm_expunged' '/usr/local/lib/libc-client4.so: undefined reference to 'mm_diskerror' '/usr/local/lib/libc-client4.so: undefined reference to 'mm_lsub' '/usr/local/lib/libc-client4.so: undefined reference to 'mm_flags' *** Error code 1 Stop in /usr/src/apache_1.3.20/src/helpers. [......] What's the problem here? Thanks in advace Marcelo Gulin