this derivation will be built:
  /nix/store/77wdd2z4l4crq98grq61afa0bl8jy0c6-pi-pack-0.1.0.drv
building '/nix/store/77wdd2z4l4crq98grq61afa0bl8jy0c6-pi-pack-0.1.0.drv'
pi-pack-0.1.0> Running phase: unpackPhase
pi-pack-0.1.0> unpacking source archive /nix/store/03zwqxjh832b959k96zbz9kcnpsi4hpa-0x7pcdbmdn39y450qxk4lwl9psdv21lb-source
pi-pack-0.1.0> source root is 0x7pcdbmdn39y450qxk4lwl9psdv21lb-source
pi-pack-0.1.0> Running phase: patchPhase
pi-pack-0.1.0> Running phase: updateAutotoolsGnuConfigScriptsPhase
pi-pack-0.1.0> Running phase: configurePhase
pi-pack-0.1.0> no configure script, doing nothing
pi-pack-0.1.0> Running phase: buildPhase
pi-pack-0.1.0> no Makefile or custom buildPhase, doing nothing
pi-pack-0.1.0> Running phase: installPhase
pi-pack-0.1.0> Running phase: fixupPhase
pi-pack-0.1.0> shrinking RPATHs of ELF executables and libraries in /nix/store/rfpgbjmx22d5zk2br81sr69aj4dkrdly-pi-pack-0.1.0
pi-pack-0.1.0> checking for references to /build/ in /nix/store/rfpgbjmx22d5zk2br81sr69aj4dkrdly-pi-pack-0.1.0...
pi-pack-0.1.0> patching script interpreter paths in /nix/store/rfpgbjmx22d5zk2br81sr69aj4dkrdly-pi-pack-0.1.0