Hello Doko,
libtool: link: g++ -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -std=c++11 -D_REENTRANT -DOMNI_UNLOADABLE_STUBS -Wl,-z -Wl,relro -o .libs/notifd2db notifd2db.o -L../../lib/cpp/server /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so -L../../lib/cpp/log4tango/src /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/log4tango/src/.libs/liblog4tango.so -lzmq -ldl -L/usr/lib -lomniORB4 -lomniDynamic4 -lCOS4 -lnsl -lomnithread -lpthread /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<unsigned long>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<long>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<int>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<unsigned char>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<double>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<unsigned int>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<short>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<unsigned short>::str' /scratch/packages/tmp/tango-8.1.2c+dfsg/build/lib/cpp/server/.libs/libtango.so: undefined reference to `Tango::ranges_type2const<float>::str' If I look at this it seems that during the link of notifd2db, ld doesn not find a bunch of symbols ???? these symboles are defined in lib/cpp/server/attribute.cpp via a macro defined in lib/cpp/server/tango_const.h I never had a problem befaore, so I do not understand what the problem is. do you have any idea of what's going on ?