> On 11 Sep 2015, at 15:51, PICCA Frederic-Emmanuel <frederic-emmanuel.picca@xxxxxxxxxxxxxxxxxxxxx> wrote: > > In pytango the symbol emited by gcc5.2 is the once without the __cxx11 namespace > > _ZN5Tango17ranges_type2constIsE3strE -> Tango::ranges_type2const<short>::str > > but if I understand correctly this string is cxx11 abi with the same old name mangled. Are both compiled with -std=c++11 (or above)? I see that tango specifies -std=c++11 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 david