Handle file opening error in config.config.load

1 files 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.