New variable architecture

1 files changed, 17 insertions, 0 deletions

diff --git a/build/config/utility.ixx b/build/config/utility.ixx
new file mode 100644
index 0000000..4e32119
--- /dev/null
+++ b/build/config/utility.ixx
@@ -0,0 +1,17 @@
+// file      : build/config/utility.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+namespace build
+{
+  namespace config
+  {
+    template <typename T>
+    inline void
+    append_options (cstrings& args, T& s, const char* var)
+    {
+      if (auto l = s[var])
+        append_options (args, as<strings> (*l));
+    }
+  }
+}