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-rw-r--r--libbuild2/cc/link-rule.cxx3
1 files changed, 2 insertions, 1 deletions
diff --git a/libbuild2/cc/link-rule.cxx b/libbuild2/cc/link-rule.cxx
index 2e644cc..c05522d 100644
--- a/libbuild2/cc/link-rule.cxx
+++ b/libbuild2/cc/link-rule.cxx
@@ -1224,7 +1224,8 @@ namespace build2
// update them. Note that we have to do it before any further matches
// since they may rely on these prerequisites already being updated (for
// example, object file matches may need the headers to be already
- // updated).
+ // updated). We also must do it after matching all our prerequisite
+ // libraries since they may generate headers that we depend upon.
//
// Note that we ignore the result and whether it renders us out of date,
// leaving it to the common execute logic in perform_update().