undefined reference to lunchbox::abort()

[damora]

../../lib/libEqualizer.so.1.12.0: undefined reference to `lunchbox::abort()'

libEqualizer.so.1.12.0 does reference libLunchbox.so.7

as far as I can tell libLunchbox.so.7 contains lunchbox::abort():
nm /shared/Lunchbox/lib/libLunchbox.so.7 | grep abort
000000000001f6f0 t 00000076.plt_call.abort@@GLIBC_2.17
000000000001fb50 t 00000076.plt_call.__cxa_guard_abort@@CXXABI_1.3
000000000001f170 t 00000076.plt_call._ZN8lunchbox5abortEb
U abort@@GLIBC_2.17
U __cxa_guard_abort@@CXXABI_1.3
00000000000252b0 T _ZN8lunchbox5abortEb