@failed approach

[root@example gnugk-2.3.4]# ./configure --enable-h46018
checking for g++... g++
checking for C++ compiler default output file name... a.out
checking whether the C++ compiler works... yes
checking whether we are cross compiling... no
checking for suffix of executables... 
checking for suffix of object files... o
checking whether we are using the GNU C++ compiler... yes
checking whether g++ accepts -g... yes
checking if MSG_NOSIGNAL is supported by recv() call... checking for gcc... gcc
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
no
checking for /root/ptlib/make/unix.mak... yes
checking for ptlib-config... /root/ptlib/make/ptlib-config
PWLib prefix set to /root/ptlib
PTLib version is 2.8.4
checking for /root/h323plus/openh323u.mak... yes
OpenH323/H323Plus prefix set to /root/h323plus
checking for /root/h323plus/version.h... yes
OpenH323 version is 1.22.0
H.460.18 / H.460.19 support enabled
H.460.23 / H.460.24 support enabled
RADIUS support enabled
LARGE FDSET support disabled
checking for compress in -lz... yes
checking for mysql.h... no
configure: WARNING: mysql headers not found. Use --with-mysql-include-dir=<path>
configure: WARNING: MySQL disabled
MySQL support disabled
checking for libpq-fe.h... no
configure: WARNING: pgsql headers not found. Use --with-pgsql-include-dir=<path>
configure: WARNING: PostgreSQL disabled
PostgreSQL support disabled
checking for ibase.h... no
configure: WARNING: Firebird headers not found. Use --with-firebird-include-dir=<path>
configure: WARNING: Firebird disabled
Firebird support disabled
checking for sqlext.h... yes
unixODBC support enabled
checking for sqlite3.h... yes
SQLite support enabled
GNU Gatekeeper version is 2.3.4
configure: creating ./config.status
config.status: creating Makefile
config.status: creating gnugkbuildopts.h
[root@example gnugk-2.3.4]# make optnoshared
make DEBUG= P_SHAREDLIB=0 default_target
make[1]: Entering directory `/root/gnugk-2.3.4'
[CC] main.cxx
[CC] singleton.cxx
[CC] job.cxx
[CC] yasocket.cxx
[CC] h323util.cxx
[CC] Toolkit.cxx
[CC] SoftPBX.cxx
[CC] GkStatus.cxx
[CC] RasTbl.cxx
[CC] Routing.cxx
[CC] Neighbor.cxx
[CC] GkClient.cxx
[CC] gkauth.cxx
[CC] RasSrv.cxx
[CC] ProxyChannel.cxx
[CC] gk.cxx
[CC] version.cxx
[CC] gkacct.cxx
[CC] gktimer.cxx
[CC] gkconfig.cxx
[CC] sigmsg.cxx
[CC] clirw.cxx
[CC] cisco.cxx
[CC] ipauth.cxx
[CC] statusacct.cxx
[CC] syslogacct.cxx
[CC] capctrl.cxx
[CC] MakeCall.cxx
[CC] h460presence.cxx
[CC] radproto.cxx
[CC] radauth.cxx
[CC] radacct.cxx
[CC] gksql_odbc.cxx
In file included from gksql_odbc.cxx:25:0:
/usr/include/sqlext.h:2111:1: error: ‘BOOL’ does not name a type
make[1]: *** [obj_linux_x86_s/gksql_odbc.o] Error 1
make[1]: Leaving directory `/root/gnugk-2.3.4'
make: *** [optnoshared] Error 2