well ive built pwlib and oh323 from pandora as michal suggested, all build ok. i try now to build gnugk and get following error related to codec. long day, tired, not going to play anymore. try again tomorrow. best regards ray /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x10): undefined reference to `H323CapabilityRegistration::GetClass(unsigned) const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x14): undefined reference to `H323CapabilityRegistration::IsClass(char const*) const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x18): undefined reference to `H323CapabilityRegistration::IsDescendant(char const*) const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x20): undefined reference to `H323CapabilityRegistration::CompareObjectMemoryDirect(PObject const&)const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x2c): undefined reference to `PObject::PreSerialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x30): undefined reference to `PObject::Serialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV35H323_GSM0610Capability_Registration+0x34): undefined reference to `PObject::UnSerialise(PUnSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV17H323_GSM0610Codec+0x2c): undefined reference to `PObject::PreSerialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV17H323_GSM0610Codec+0x30): undefined reference to `PObject::Serialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV17H323_GSM0610Codec+0x34): undefined reference to `PObject::UnSerialise(PUnSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV22H323_GSM0610Capability+0x2c): undefined reference to `PObject::PreSerialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV22H323_GSM0610Capability+0x30): undefined reference to `PObject::Serialise(PSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTV22H323_GSM0610Capability+0x34): undefined reference to `PObject::UnSerialise(PUnSerialiser&)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.text._Z41__static_initialization_and_destruction_0ii+0x43): In function `__static_initialization_and_destruction_0(int, int)': : undefined reference to `H323CapabilityRegistration::H323CapabilityRegistration[not-in-charge](char const*)' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.t._ZNK22H323_GSM0610Capability12IsDescendantEPKc+0x53): In function `H323_GSM0610Capability::IsDescendant(char const*) const': : undefined reference to `PObject::IsDescendant(char const*) const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.t._ZNK17H323_GSM0610Codec12IsDescendantEPKc+0x53): In function `H323_GSM0610Codec::IsDescendant(char const*) const': : undefined reference to `PObject::IsDescendant(char const*) const' /home/ray/openh323/lib/libh323_linux_x86_r_s.a(gsmcodec.o) (.gnu.linkonce.r._ZTI35H323_GSM0610Capability_Registration+0x8): undefined reference to `typeinfo for H323CapabilityRegistration' collect2: ld returned 1 exit status make[1]: *** [obj_linux_x86_r/gnugk] Error 1 make[1]: Leaving directory `/home/ray/openh323gk' make: *** [optnoshared] Error 2 ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click _______________________________________________________ List: Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Homepage: http://www.gnugk.org/