Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
Running phase: checkPhase
Running phase: installPhase
no Makefile or custom installPhase, doing nothing
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/bxmc32xzx98r9r85zjq3b9dn52wbx89z-ffmpeg-path.patch
checking for references to /build/ in /nix/store/bxmc32xzx98r9r85zjq3b9dn52wbx89z-ffmpeg-path.patch...
patching script interpreter paths in /nix/store/bxmc32xzx98r9r85zjq3b9dn52wbx89z-ffmpeg-path.patch