• make flags:
• building meta-build
  • sed "s@__prefix__@/nix/store/2k9a18lhk31zlhk1bk62wilvl8flx6qn-meta-build-env@g/...-meta-build-env@g;\� s@__datadir__@/nix/store/2k9a18lhk31zlhk1bk62wilvl8flx6qn-meta-build-env/share@g/...-meta-build-env/share@g;\� s@__PACKAGE__@meta-build-env@g" < meta-build.src > meta-build && chmod +x meta-build