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-rw-r--r--libbuild2/adhoc-rule-buildscript.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/libbuild2/adhoc-rule-buildscript.cxx b/libbuild2/adhoc-rule-buildscript.cxx
index c4f8833..fa60556 100644
--- a/libbuild2/adhoc-rule-buildscript.cxx
+++ b/libbuild2/adhoc-rule-buildscript.cxx
@@ -368,7 +368,7 @@ namespace build2
if (a == perform_update_id)
mask = 4;
}
- else if (v != "false" && v != "true")
+ else if (v != "false" && v != "true" && v != "execute")
{
fail << "unrecognized update variable value '" << v
<< "' specified for prerequisite " << p.prerequisite;