On 2019-08-23, j...@bitminer.ca <j...@bitminer.ca> wrote: > I'm trying some boost library examples, on amd64, using -current. When > building with clang it works ok, but using eg++ results in load-time > failure: > > > snaptest66$ timlibs="-I/usr/local/include -L/usr/local/lib > -lboost_timer" > > snaptest66$ ec++ -o tcs.fastgx $timlibs -Ofast timed_chaotic_system.cpp > snaptest66$ ./tcs.fastgx > tcs.fastgx:/usr/local/lib/libestdc++.so.19.0: /usr/lib/libc++abi.so.1.0 >: WARNING: symbol(_ZTVN10__cxxabiv129__pointer_to_member_type_infoE) > size mismatch, relink your program > tcs.fastgx:/usr/local/lib/libestdc++.so.19.0: /usr/lib/libc++abi.so.1.0 >: WARNING: symbol(_ZTVN10__cxxabiv117__pbase_type_infoE) size mismatch, > relink your program > ...etc....about a dozen similar symbols.... > Segmentation fault (core dumped)
Things will go badly (many conflicting symbols) if you pull in both libc++ and libestdc++ to the same address space. You will need to rebuild boost (and any other C++ libraries involved) with gcc if you want to do this.