in cxx/lyra/lyra.cpp [101:112]
std::string StackTraceElement::buildId() const {
if (!hasBuildId_) {
auto getBuildId = gLibraryIdentifierFunction.load(std::memory_order_relaxed);
if (getBuildId) {
buildId_ = getBuildId(libraryName());
} else {
buildId_ = "<unimplemented>";
}
hasBuildId_ = true;
}
return buildId_;
}