diff options
-rw-r--r-- | src/libstore/build.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index d80c67358b86..b448cc6b7fc3 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -2550,8 +2550,12 @@ void Worker::run(const Goals & _topGoals) /* Wait for input. */ if (!children.empty() || !waitingForAWhile.empty()) waitForInput(); - else + else { + if (maxBuildJobs == 0) throw Error( + "unable to start any build; either increase `--max-jobs' " + "or enable distributed builds"); assert(!awake.empty()); + } } /* If --keep-going is not set, it's possible that the main goal |