Kalzium-compoundviewer

In file included from /home/anu/kalzium/compoundviewer/openbabel2wrapper.cpp:15:0:
/home/anu/kalzium/compoundviewer/openbabel2wrapper.h:28:29: error: variable ‘KDE_IMPORT OpenBabel2Wrapper’ has initializer but incomplete type
 class COMPOUNDVIEWER_EXPORT OpenBabel2Wrapper
                             ^
/home/anu/kalzium/compoundviewer/openbabel2wrapper.h:30:1: error: expected primary-expression before ‘public’
 public:
 ^
/home/anu/kalzium/compoundviewer/openbabel2wrapper.h:30:1: error: expected ‘}’ before ‘public’
/home/anu/kalzium/compoundviewer/openbabel2wrapper.h:30:1: error: expected ‘,’ or ‘;’ before ‘public’
/home/anu/kalzium/compoundviewer/openbabel2wrapper.h:42:1: error: expected declaration before ‘}’ token
 };
 ^