Building problems

[Paul . Hussein]

I get this error when building DDD 3.3 under

c++ -DHAVE_CONFIG_H -I. -I. -I. -I./.. -isystem /usr/openwin/include    
-DNDEBUG -O2 -g -W -Wall -fexternal-templates -trigraphs  -c ddd.C
XErrorB.h: In method `XErrorBlocker::XErrorBlocker(const XErrorBlocker &)':
In file included from ddd.C:206:
XErrorB.h:54: incomplete initializer for member `XErrorBlocker::_event' of 
class `XErrorBlocker' which has no constructor
XErrorB.h:54: incomplete initializer for member `XErrorBlocker::saved_handler' 
of class `XErrorBlocker' which has no constructor
ddd.C: In method `WhenReadyInfo::WhenReadyInfo(WhenReadyInfo &)':
ddd.C:5540: incomplete initializer for member `WhenReadyInfo::cbs' of class 
`WhenReadyInfo' which has no constructor
ddd.C:5540: incomplete initializer for member `WhenReadyInfo::event' of class 
`WhenReadyInfo' which has no constructor
make[1]: *** [ddd.o] Error 1
make[1]: Leaving directory `/dvl/sw/nt/gnu/src/ddd-3.3/ddd'
make: *** [all-recursive] Error 1

uname -a
SunOS bmcls015 5.6 Generic_105181-23 sun4u sparc SUNW,Ultra-5_10

gcc --version
2.7.2.3


Anyone any ideas how to solve this.

Regards

Paul.