* nix/libstore/build.cc (DerivationGoal::startBuilder): Use "guix-build" instead of "nix-build" for TMPDIR. * doc/guix.texi (Build Environment Setup): Adjust accordingly.
* nix/libstore/build.cc (DerivationGoal::startBuilder): Use "guix-build" instead of "nix-build" for TMPDIR. * doc/guix.texi (Build Environment Setup): Adjust accordingly.