Your package pulseview failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24868271 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
The problem is with 2 new warnings emitted by gcc8 together with using -Werror. first class is /builddir/build/BUILD/pulseview-0.4.0/main.cpp:210:22: error: catching polymorphic type 'class std::exception' by value [-Werror=catch-value=] second is ... /usr/include/sigc++-2.0/sigc++/signal.h:794:56: warning: cast between incompatible function types from 'sigc::internal::hook' {aka 'void* (*)(void*)'} to 'sigc::internal::signal_emit0<void, sigc::nil>::call_type' {aka 'void (*)(sigc::internal::slot_rep*)'} [-Wcast-function-type] (reinterpret_cast<call_type>(slot.rep_->call_))(slot.rep_); ^ ... Patch for the first problem will be in dist-git (and sent upstream), second problem will be worked around by adding -DDISABLE_WERROR=True on cmake command line.
pulseview-0.4.0-9.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-11e452a536
pulseview-0.4.0-9.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-11e452a536
for the record - exceptions have a PR now as https://github.com/sigrokproject/pulseview/pull/6 - the libsigc++ issue has been reported upstream as https://github.com/libsigcplusplus/libsigcplusplus/issues/1
pulseview-0.4.0-9.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.