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, 18 insertions, 12 deletions

diff --git a/build/cxx/target b/build/cxx/target
index bcc5ff1..fe27c79 100644
--- a/build/cxx/target
+++ b/build/cxx/target
@@ -17,8 +17,8 @@ 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 ixx: public file
@@ -27,8 +27,8 @@ 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 txx: public file
@@ -37,8 +37,8 @@ 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 cxx: public file
@@ -47,8 +47,8 @@ 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;}
     };
 
     //@@ TMP
@@ -59,8 +59,8 @@ 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 c: public file
@@ -69,8 +69,8 @@ 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;}
     };
   }
 }
diff --git a/build/cxx/target.cxx b/build/cxx/target.cxx
index c23fdd0..e3d98e7 100644
--- a/build/cxx/target.cxx
+++ b/build/cxx/target.cxx
@@ -19,7 +19,8 @@ namespace build
       &target_factory<hxx>,
       &target_extension_var<hxx_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     constexpr const char ixx_ext_var[] = "ixx.ext";
@@ -31,7 +32,8 @@ namespace build
       &target_factory<ixx>,
       &target_extension_var<ixx_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     constexpr const char txx_ext_var[] = "txx.ext";
@@ -43,7 +45,8 @@ namespace build
       &target_factory<txx>,
       &target_extension_var<txx_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     constexpr const char cxx_ext_var[] = "cxx.ext";
@@ -55,7 +58,8 @@ namespace build
       &target_factory<cxx>,
       &target_extension_var<cxx_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     constexpr const char h_ext_var[] = "h.ext";
@@ -67,7 +71,8 @@ namespace build
       &target_factory<h>,
       &target_extension_var<h_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
 
     constexpr const char c_ext_var[] = "c.ext";
@@ -79,7 +84,8 @@ namespace build
       &target_factory<c>,
       &target_extension_var<c_ext_var>,
       &search_file,
-      false
+      false,
+      nullptr
     };
   }
 }