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-rw-r--r--src/libstore/globals.hh5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index ae4b78a018e0..af72f7b1e35d 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -138,6 +138,11 @@ public:
     Setting<std::string> builders{this, "@" + nixConfDir + "/machines", "builders",
         "A semicolon-separated list of build machines, in the format of nix.machines."};
 
+    Setting<bool> buildersUseSubstitutes{this, false, "builders-use-substitutes",
+        "Whether build machines should use their own substitutes for obtaining "
+        "build dependencies if possible, rather than waiting for this host to "
+        "upload them."};
+
     Setting<off_t> reservedSize{this, 8 * 1024 * 1024, "gc-reserved-space",
         "Amount of reserved disk space for the garbage collector."};