From ca0f9c71be279aee845bf5328ac0af8c02c8849e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 17 Apr 2019 13:42:37 +0200
Subject: Incorporate ad hoc prerequisite mtime into out-of-date determination

---
 build2/cc/compile-rule.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'build2/cc/compile-rule.cxx')

diff --git a/build2/cc/compile-rule.cxx b/build2/cc/compile-rule.cxx
index 3ed6075..298194a 100644
--- a/build2/cc/compile-rule.cxx
+++ b/build2/cc/compile-rule.cxx
@@ -4317,6 +4317,9 @@ namespace build2
       // execute them to keep the dependency counts straight. Actually, no, we
       // may also have to update the modules.
       //
+      // Note that this also takes care of forcing update on any ad hoc
+      // prerequisite change.
+      //
       auto pr (
         execute_prerequisites<file> (
           (mod ? *x_mod : x_src),
-- 
cgit v1.1