From dd25960e27d2f127e05d9f992eb577bc20e395ab Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 10 Feb 2022 11:52:34 +0200
Subject: Make few global types separately constructible/initializable

---
 libbuild2/context.hxx | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'libbuild2/context.hxx')

diff --git a/libbuild2/context.hxx b/libbuild2/context.hxx
index c4d85c9..9df7a88 100644
--- a/libbuild2/context.hxx
+++ b/libbuild2/context.hxx
@@ -94,8 +94,18 @@ namespace build2
 
     explicit
     global_mutexes (size_t vc)
-        : variable_cache_size (vc),
-          variable_cache (new shared_mutex[variable_cache_size]) {}
+    {
+      init (vc);
+    }
+
+    global_mutexes () = default; // Create uninitialized instance.
+
+    void
+    init (size_t vc)
+    {
+      variable_cache_size = vc;
+      variable_cache.reset (new shared_mutex[vc]);
+    }
   };
 
   // A build context encapsulates the state of a build. It is possible to have
-- 
cgit v1.1