Implement auxiliary dependency database (.d files), use in cxx.compile

This is part of the "High Fidelity Build" work.

4 files changed, 0 insertions, 69 deletions

diff --git a/build2/config/utility b/build2/config/utility
index 2f53521..9218106 100644
--- a/build2/config/utility
+++ b/build2/config/utility
@@ -94,33 +94,9 @@ namespace build2
     //
     bool
     specified (scope& root, const string& ns);
-
-    // @@ Why are these here?
-    //
-
-    // Add all the values from a variable to the C-string list. T is
-    // either target or scope. The variable is expected to be of type
-    // strings.
-    //
-    template <typename T>
-    void
-    append_options (cstrings& args, T& s, const char* var);
-
-    // As above but from the strings value directly.
-    //
-    void
-    append_options (cstrings& args, const const_strings_value&);
-
-    // Check if a specified option is present in the variable value.
-    // T is either target or scope.
-    //
-    template <typename T>
-    bool
-    find_option (const char* option, T& s, const char* var);
   }
 }
 
 #include <build2/config/utility.txx>
-#include <build2/config/utility.ixx>
 
 #endif // BUILD2_CONFIG_UTILITY
diff --git a/build2/config/utility.cxx b/build2/config/utility.cxx
index d5e0afe..c617690 100644
--- a/build2/config/utility.cxx
+++ b/build2/config/utility.cxx
@@ -76,17 +76,5 @@ namespace build2
 
       return false;
     }
-
-    void
-    append_options (cstrings& args, const const_strings_value& sv)
-    {
-      if (!sv.empty ())
-      {
-        args.reserve (args.size () + sv.size ());
-
-        for (const string& s: sv)
-          args.push_back (s.c_str ());
-      }
-    }
   }
 }
diff --git a/build2/config/utility.ixx b/build2/config/utility.ixx
deleted file mode 100644
index 7f666d4..0000000
--- a/build2/config/utility.ixx
+++ /dev/null
@@ -1,17 +0,0 @@
-// file      : build2/config/utility.ixx -*- C++ -*-
-// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
-// license   : MIT; see accompanying LICENSE file
-
-namespace build2
-{
-  namespace config
-  {
-    template <typename T>
-    inline void
-    append_options (cstrings& args, T& s, const char* var)
-    {
-      if (auto l = s[var])
-        append_options (args, as<strings> (*l));
-    }
-  }
-}
diff --git a/build2/config/utility.txx b/build2/config/utility.txx
index fd32599..d3c57a5 100644
--- a/build2/config/utility.txx
+++ b/build2/config/utility.txx
@@ -25,21 +25,5 @@ namespace build2
 
       return result (root.assign (var) = def_value, true);
     }
-
-    template <typename T>
-    bool
-    find_option (const char* option, T& s, const char* var)
-    {
-      if (auto l = s[var])
-      {
-        for (const string& s: as<strings> (*l))
-        {
-          if (s == option)
-            return true;
-        }
-      }
-
-      return false;
-    }
   }
 }