odin:/usr/src/asterisk-1.4.2# ./configure |grep zaptel
checking zaptel/tonezone.h usability... yes
checking zaptel/tonezone.h presence... yes
checking for zaptel/tonezone.h... yes
checking for ZT_DIAL_OP_CANCEL in zaptel/zaptel.h... yes
checking for ZT_EVENT_REMOVED in zaptel/zaptel.h... yes
checking for ZT_TCOP_ALLOCATE in zaptel/zaptel.h... yes
Package gtk+-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gtk+-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gtk+-2.0' found
Package gtk+-2.0 was not found in the pkg-config search path.
Perhaps you should add the directory containing `gtk+-2.0.pc'
to the PKG_CONFIG_PATH environment variable
No package 'gtk+-2.0' found
odin:/usr/src/asterisk-1.4.2#