Sergei Trofimovich
187ac583a0
python/hooks/setuptools-build-hook.sh: use --parallel flag only for fresh setuptools
Without the change attempt to enable parallelist for `python2` packages
fails with unsupported `--parallel` flag for `setuptools`-based
packages:
$ nix build --no-link -f. --arg config '{enableParallelBuildingByDefault = true;}' xdg-utils
error: builder for '/nix/store/...-python2.7-setuptools-44.0.0.drv' failed with exit code 1;
last 10 log lines:
> no configure script, doing nothing
> Running phase: buildPhase
> Executing setuptoolsBuildPhase
> usage: nix_run_setup [global_opts] cmd1 [cmd1_opts] [cmd2 [cmd2_opts] ...]
> or: nix_run_setup --help [cmd1 cmd2 ...]
> or: nix_run_setup --help-commands
> or: nix_run_setup cmd --help
>
> error: option --parallel not recognized