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-rw-r--r--bdep/sync.cxx6
1 files changed, 6 insertions, 0 deletions
diff --git a/bdep/sync.cxx b/bdep/sync.cxx
index 825ac3d..3ab3ab4 100644
--- a/bdep/sync.cxx
+++ b/bdep/sync.cxx
@@ -1117,7 +1117,13 @@ namespace bdep
if (o != nullptr)
{
dir_path out (dir_path (cfg) /= pkg.name.string ());
+
+ // Note that --no-external-modules makes a difference for
+ // developing build system modules that require bootstrapping
+ // (which without that option would trigger a recursive sync).
+ //
run_b (co,
+ "--no-external-modules",
o,
"'" + src.representation () + "'@'" + out.representation () +
"',forward");