Implement support for definition target type aliases

For example:

define cli=file

Currently, the semantics is that of a real alias with only name differences
that are used for display. See tests/define/buildfile for more use cases.

2 files changed, 7 insertions, 5 deletions

diff --git a/build/cli/target b/build/cli/target
index 7ee9a98..dbb05bd 100644
--- a/build/cli/target
+++ b/build/cli/target
@@ -19,8 +19,8 @@ namespace build
       using file::file;
 
     public:
-      virtual const target_type& type () const {return static_type;}
       static const target_type static_type;
+      virtual const target_type& dynamic_type () const {return static_type;}
     };
 
     class cli_cxx: public mtime_target
@@ -53,8 +53,8 @@ namespace build
       load_mtime () const;
 
     public:
-      virtual const target_type& type () const {return static_type;}
       static const target_type static_type;
+      virtual const target_type& dynamic_type () const {return static_type;}
     };
   }
 }
diff --git a/build/cli/target.cxx b/build/cli/target.cxx
index e8ca1cf..0666335 100644
--- a/build/cli/target.cxx
+++ b/build/cli/target.cxx
@@ -24,7 +24,8 @@ namespace build
       &target_factory<cli>,
       &target_extension_fix<cli_ext>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     // cli.cxx
@@ -47,7 +48,7 @@ namespace build
     }
 
     static target*
-    cli_cxx_factory (dir_path d, string n, const string* e)
+    cli_cxx_factory (const target_type&, dir_path d, string n, const string* e)
     {
       tracer trace ("cli::cli_cxx_factory");
 
@@ -71,7 +72,8 @@ namespace build
       &cli_cxx_factory,
       nullptr,
       &search_target,
-      true // "See through" default iteration mode.
+      true, // "See through" default iteration mode.
+      nullptr
     };
   }
 }