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-rw-r--r--doc/guix.texi6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index e0235b9590..29cea5cef8 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -864,6 +864,12 @@ Allow at most @var{n} build jobs in parallel.  The default value is
 locally; instead, the daemon will offload builds (@pxref{Daemon Offload
 Setup}), or simply fail.
 
+@item --rounds=@var{N}
+Build each derivation @var{n} times in a row, and raise an error if
+consecutive build results are not bit-for-bit identical.  Note that this
+setting can be overridden by clients such as @command{guix build}
+(@pxref{Invoking guix build}).
+
 @item --debug
 Produce debugging output.