Running phase: unpackPhase
unpacking source archive /nix/store/w1gai7l8wasf1r6ib8adnz0wgjv8xkw8-Firefox-20154.0.dmg
source root is .
setting SOURCE_DATE_EPOCH to timestamp 1787101495 of file "./env-vars"
warning: file "./env-vars" may be generated; SOURCE_DATE_EPOCH may be non-deterministic
Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
no Makefile or custom buildPhase, doing nothing
Running phase: glibPreInstallPhase
Running phase: installPhase
Running phase: gappsWrapperArgsHook
Running phase: dropIconThemeCache