Add builtin.concat(dir_path,name) overload

In particular, this allows:

export $out_root/libfoo/$import.target

1 files changed, 28 insertions, 0 deletions

diff --git a/build2/functions-name.cxx b/build2/functions-name.cxx
new file mode 100644
index 0000000..1bdff11
--- /dev/null
+++ b/build2/functions-name.cxx
@@ -0,0 +1,28 @@
+// file      : build2/functions-name.cxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <build2/function.hxx>
+#include <build2/variable.hxx>
+
+using namespace std;
+
+namespace build2
+{
+  void
+  name_functions ()
+  {
+    // function_family f ("name");
+
+    // Name-specific overloads from builtins.
+    //
+    function_family b ("builtin");
+
+    b[".concat"] = [](dir_path d, name n)
+    {
+      d /= n.dir;
+      n.dir = move (d);
+      return n;
+    };
+  }
+}