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-rw-r--r--libbuild2/cc/link-rule.cxx15
1 files changed, 11 insertions, 4 deletions
diff --git a/libbuild2/cc/link-rule.cxx b/libbuild2/cc/link-rule.cxx
index 604d5b8..fff8716 100644
--- a/libbuild2/cc/link-rule.cxx
+++ b/libbuild2/cc/link-rule.cxx
@@ -914,7 +914,7 @@ namespace build2
// We do libraries first in order to indicate that we will execute these
// targets before matching any of the obj/bmi{}. This makes it safe for
// compile::apply() to unmatch them and therefore not to hinder
- // parallelism.
+ // parallelism (or mess up for-install'ness).
//
// We also create obj/bmi{} chain targets because we need to add
// (similar to lib{}) all the bmi{} as prerequisites to all the other
@@ -1014,6 +1014,7 @@ namespace build2
const target*& pt (pto);
// Mark (2 bits):
+ //
// 0 - lib or update during match
// 1 - src
// 2 - mod
@@ -1234,10 +1235,16 @@ namespace build2
mark (pt, m);
}
- // Match lib{} and update during match (the only unmarked) in parallel
- // and wait for completion.
+ // Match lib{} first and then update during match (the only unmarked) in
+ // parallel and wait for completion. We need to match libraries first
+ // because matching generated headers/sources may lead to matching some
+ // of the libraries (for example, if generation requires some of the
+ // metadata; think poptions needed by Qt moc).
//
- match_members (a, t, pts, start);
+ match_members (a, t, pts, start, {2 /* mask */, 0 /* value */});
+
+ if (update_match)
+ match_members (a, t, pts, start, {2, 2});
// Check if we have any binful utility libraries.
//