From 1acb42397f86adeec1a8ec63f311f1d4221ac025 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 21 Oct 2021 07:55:43 +0200
Subject: Add build.progress global variable with --[no-]progress option value

---
 libbuild2/context.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/libbuild2/context.cxx b/libbuild2/context.cxx
index 36b70b8..c016a40 100644
--- a/libbuild2/context.cxx
+++ b/libbuild2/context.cxx
@@ -167,6 +167,17 @@ namespace build2
       //
       set ("build.verbosity", uint64_t (verb));
 
+      // Build system progress diagnostics.
+      //
+      // Note that it can be true, false, or NULL if progress was neither
+      // requested nor suppressed.
+      //
+      {
+        value& v (gs.assign (vp.insert<bool> ("build.progress", v_g)));
+        if (diag_progress_option)
+          v = *diag_progress_option;
+      }
+
       // Build system version (similar to what we do in the version module
       // except here we don't include package epoch/revision).
       //
-- 
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