Running phase: unpackPhase
unpacking sources
unpacking source archive /nix/store/0j87chygc99lgh7sm9j4m2fivv8ra2yz-source
source root is source
Running phase: patchPhase
patching sources
Running phase: configurePhase
configuring
no configure script, doing nothing
Running phase: installPhase
installing
Running phase: fixupPhase
post-installation fixup
shrinking RPATHs of ELF executables and libraries in /nix/store/gd8w6f9kzvj7jrhh4fxcqvvrd53lmj4f-libviperfx-unstable-2018-01-15
shrinking /nix/store/gd8w6f9kzvj7jrhh4fxcqvvrd53lmj4f-libviperfx-unstable-2018-01-15/lib/libviperfx.so
strip is /nix/store/wn31i3dzwahz6ccws8bs1nwyqrpgsvj7-gcc-wrapper-11.3.0/bin/strip
stripping (with command strip and flags -S) in  /nix/store/gd8w6f9kzvj7jrhh4fxcqvvrd53lmj4f-libviperfx-unstable-2018-01-15/lib
patching script interpreter paths in /nix/store/gd8w6f9kzvj7jrhh4fxcqvvrd53lmj4f-libviperfx-unstable-2018-01-15
checking for references to /build/ in /nix/store/gd8w6f9kzvj7jrhh4fxcqvvrd53lmj4f-libviperfx-unstable-2018-01-15...