From d24c10ce02654454ec1ea60bdfa32e34e2091bf0 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 9 Dec 2022 08:05:46 +0200
Subject: Handle file opening error in config.config.load

---
 libbuild2/config/init.cxx | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/libbuild2/config/init.cxx b/libbuild2/config/init.cxx
index 7035ce5..46239d8 100644
--- a/libbuild2/config/init.cxx
+++ b/libbuild2/config/init.cxx
@@ -429,8 +429,15 @@ namespace build2
       auto load_config_file = [&load_config] (const path& f, const location& l)
       {
         path_name fn (f);
-        ifdstream ifs;
-        load_config (open_file_or_stdin (fn, ifs), fn, l);
+        try
+        {
+          ifdstream ifs;
+          load_config (open_file_or_stdin (fn, ifs), fn, l);
+        }
+        catch (const io_error& e)
+        {
+          fail << "unable to read buildfile " << fn << ": " << e;
+        }
       };
 
       // Load config.build unless requested not to.
-- 
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