1 files changed, 0 insertions, 104 deletions
diff --git a/build2/target-key.hxx b/build2/target-key.hxx
deleted file mode 100644
index ed9a0ed..0000000
--- a/build2/target-key.hxx
+++ /dev/null
@@ -1,104 +0,0 @@
-// file      : build2/target-key.hxx -*- C++ -*-
-// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-#ifndef BUILD2_TARGET_KEY_HXX
-#define BUILD2_TARGET_KEY_HXX
-
-#include <map>
-#include <cstring> // strcmp()
-
-#include <libbutl/utility.mxx> // compare_c_string
-
-#include <build2/types.hxx>
-#include <build2/utility.hxx>
-
-#include <build2/target-type.hxx>
-
-namespace build2
-{
-  // Light-weight (by being shallow-pointing) target key.
-  //
-  class target_key
-  {
-  public:
-    const target_type* const type;
-    const dir_path* const dir; // Can be relative if part of prerequisite_key.
-    const dir_path* const out; // Can be relative if part of prerequisite_key.
-    const string* const name;
-    mutable optional<string> ext; // Absent - unspecified, empty - none.
-
-    template <typename T>
-    bool is_a () const {return type->is_a<T> ();}
-    bool is_a (const target_type& tt) const {return type->is_a (tt);}
-  };
-
-  inline bool
-  operator== (const target_key& x, const target_key& y)
-  {
-    if (x.type  != y.type ||
-        *x.dir  != *y.dir ||
-        *x.out  != *y.out ||
-        *x.name != *y.name)
-      return false;
-
-    // Unless fixed, unspecified and specified extensions are assumed equal.
-    //
-    const target_type& tt (*x.type);
-
-    if (tt.fixed_extension == nullptr)
-      return !x.ext || !y.ext || *x.ext == *y.ext;
-    else
-    {
-      // Note that for performance reasons here we use the specified extension
-      // without calling fixed_extension().
-      //
-      const char* xe (x.ext
-                      ? x.ext->c_str ()
-                      : tt.fixed_extension (x, nullptr /* root scope */));
-
-      const char* ye (y.ext
-                      ? y.ext->c_str ()
-                      : tt.fixed_extension (y, nullptr /* root scope */));
-
-      return strcmp (xe, ye) == 0;
-    }
-  }
-
-  inline bool
-  operator!= (const target_key& x, const target_key& y) {return !(x == y);}
-
-  // If the target type has a custom print function, call that. Otherwise,
-  // call to_stream(). Both are defined in target.cxx.
-  //
-  ostream&
-  operator<< (ostream&, const target_key&);
-
-  ostream&
-  to_stream (ostream&, const target_key&, optional<stream_verbosity> = nullopt);
-}
-
-namespace std
-{
-  // Note that we ignore the extension when calculating the hash because of
-  // its special "unspecified" logic (see operator== above).
-  //
-  template <>
-  struct hash<build2::target_key>
-  {
-    using argument_type = build2::target_key;
-    using result_type = size_t;
-
-    size_t
-    operator() (const build2::target_key& k) const noexcept
-    {
-      return build2::combine_hash (
-        hash<const build2::target_type*> () (k.type),
-        hash<build2::dir_path> () (*k.dir),
-        hash<build2::dir_path> () (*k.out),
-        hash<string> () (*k.name));
-    }
-  };
-}
-
-#endif // BUILD2_TARGET_KEY_HXX