From e9f69e067da3e096e1e64be70ec2b6de30f71d2c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 7 Apr 2021 11:33:05 +0200
Subject: Register environment variables for hermetic build configurations

---
 libbuild2/cc/compile-rule.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbuild2/cc/compile-rule.cxx')

diff --git a/libbuild2/cc/compile-rule.cxx b/libbuild2/cc/compile-rule.cxx
index a27530a..b5016bc 100644
--- a/libbuild2/cc/compile-rule.cxx
+++ b/libbuild2/cc/compile-rule.cxx
@@ -6596,7 +6596,7 @@ namespace build2
       if (getenv ("IFCPATH"))
       {
         // VC's IFCPATH takes precedence over /module:stdIfcDir so unset it if
-        // we are using our own std modules.
+        // we are using our own std modules. Note: IFCPATH saved in guess.cxx.
         //
         if (!stdifc.empty ())
           env.push_back ("IFCPATH");
-- 
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