1 files changed, 65 insertions, 0 deletions
diff --git a/libbuild2/bin/rule.hxx b/libbuild2/bin/rule.hxx
new file mode 100644
index 0000000..cfd096d
--- /dev/null
+++ b/libbuild2/bin/rule.hxx
@@ -0,0 +1,65 @@
+// file      : libbuild2/bin/rule.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBBUILD2_BIN_RULE_HXX
+#define LIBBUILD2_BIN_RULE_HXX
+
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
+#include <libbuild2/rule.hxx>
+
+#include <libbuild2/bin/export.hxx>
+
+namespace build2
+{
+  namespace bin
+  {
+    // "Fail rule" for obj{}, [h]bmi{}, and libu{} that issues diagnostics if
+    // someone tries to build any of these groups directly.
+    //
+    class fail_rule: public rule
+    {
+    public:
+      fail_rule () {}
+
+      virtual bool
+      match (action, target&, const string&) const override;
+
+      virtual recipe
+      apply (action, target&) const override;
+    };
+
+    // Pass-through to group members rule, similar to alias.
+    //
+    class LIBBUILD2_BIN_SYMEXPORT lib_rule: public rule
+    {
+    public:
+      lib_rule () {}
+
+      virtual bool
+      match (action, target&, const string&) const override;
+
+      virtual recipe
+      apply (action, target&) const override;
+
+      static target_state
+      perform (action, const target&);
+
+      // Return library types to build according to the bin.lib value (set
+      // on project's root scope by init()).
+      //
+      struct members
+      {
+        bool a; // static
+        bool s; // shared
+      };
+
+      static members
+      build_members (const scope&);
+    };
+  }
+}
+
+#endif // LIBBUILD2_BIN_RULE_HXX