Move cli module to libbuild2-cli library

This is a temporary measure (until we unboundle this module) needed for
in-process configure support in bpkg.

1 files changed, 46 insertions, 0 deletions

diff --git a/libbuild2/cli/rule.hxx b/libbuild2/cli/rule.hxx
new file mode 100644
index 0000000..0132b44
--- /dev/null
+++ b/libbuild2/cli/rule.hxx
@@ -0,0 +1,46 @@
+// file      : libbuild2/cli/rule.hxx -*- C++ -*-
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBBUILD2_CLI_RULE_HXX
+#define LIBBUILD2_CLI_RULE_HXX
+
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
+#include <libbuild2/rule.hxx>
+
+#include <libbuild2/cli/export.hxx>
+
+namespace build2
+{
+  namespace cli
+  {
+    // Cached data shared between rules and the module.
+    //
+    struct data
+    {
+      const exe&    ctgt; // CLI compiler target.
+      const string& csum; // CLI compiler checksum.
+    };
+
+    // @@ Redo as two separate rules?
+    //
+    class LIBBUILD2_CLI_SYMEXPORT compile_rule: public simple_rule,
+                                                private virtual data
+    {
+    public:
+      compile_rule (data&& d): data (move (d)) {}
+
+      virtual bool
+      match (action, target&) const override;
+
+      virtual recipe
+      apply (action, target&) const override;
+
+      target_state
+      perform_update (action, const target&) const;
+    };
+  }
+}
+
+#endif // LIBBUILD2_CLI_RULE_HXX