Compilation problem

Hello all asterisk users
I’ve compiled asterisk (asterisk- and started using it about a week now when I realized I don’t have app_meetme compiled.
The configure script of asterisk does not detect that I have zaptel installed and running because I can’t select the app_meetme from make menuselect (it is marked XXX)
After searching google I run the configure script with --with-zaptel=/usr/src/asterisk/zaptel-1.2.27 and configure fails with:
checking zlib.h usability… yes
checking zlib.h presence… yes
checking for zlib.h… yes
checking for ZT_DIAL_OP_CANCEL in zaptel/zaptel.h… no
configure: ***
configure: *** The Zaptel installation on this system appears to be broken.
configure: *** Either correct the installation, or run configure
configure: *** including --without-zaptel.

#lsmod |grep zaptel
zaptel 177316 11 ztdummy,xpp,wcusb,wctdm,wcfxo,wctdm24xxp,wcte11xp,wct1xxp,wcte12xp,wct4xxp,tor2
crc_ccitt 2240 1 zaptel

I’m running Debian 4 with all updates. Kernel version 2.6.18-6-686