1 files changed, 130 insertions, 0 deletions
diff --git a/build2/cc/link.hxx b/build2/cc/link.hxx
new file mode 100644
index 0000000..4dc722a
--- /dev/null
+++ b/build2/cc/link.hxx
@@ -0,0 +1,130 @@
+// file      : build2/cc/link.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2017 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef BUILD2_CC_LINK_HXX
+#define BUILD2_CC_LINK_HXX
+
+#include <set>
+
+#include <build2/types.hxx>
+#include <build2/utility.hxx>
+
+#include <build2/rule.hxx>
+
+#include <build2/cc/types.hxx>
+#include <build2/cc/common.hxx>
+
+namespace build2
+{
+  namespace cc
+  {
+    class link: public rule, virtual common
+    {
+    public:
+      link (data&&);
+
+      virtual match_result
+      match (action, target&, const string&) const override;
+
+      virtual recipe
+      apply (action, target&) const override;
+
+      target_state
+      perform_update (action, const target&) const;
+
+      target_state
+      perform_clean (action, const target&) const;
+
+    private:
+      friend class install;
+
+      // Shared library paths.
+      //
+      struct libs_paths
+      {
+        // If any (except real) is empty, then it is the same as the next
+        // one. Except for intermediate, for which empty indicates that it is
+        // not used.
+        //
+        // The libs{} path is always the real path. On Windows the link path
+        // is the import library.
+        //
+        const path  link;   // What we link: libfoo.so
+        const path  soname; // SONAME:       libfoo-1.so, libfoo.so.1
+        const path  interm; // Intermediate: libfoo.so.1.2
+        const path& real;   // Real:         libfoo.so.1.2.3
+
+        inline const path&
+        effect_link () const {return link.empty () ? effect_soname () : link;}
+
+        inline const path&
+        effect_soname () const {return soname.empty () ? real : soname;}
+
+        // Cleanup pattern used to remove previous versions. If empty, no
+        // cleanup is performed. The above (current) names are automatically
+        // filtered out.
+        //
+        const path clean;
+      };
+
+      libs_paths
+      derive_libs_paths (file&) const;
+
+      // Library handling.
+      //
+      void
+      append_libraries (strings&,
+                        const file&, bool,
+                        const scope&, action, lorder) const;
+
+      void
+      hash_libraries (sha256&,
+                      const file&, bool,
+                      const scope&, action, lorder) const;
+
+      void
+      rpath_libraries (strings&,
+                       const target&,
+                       const scope&, action, lorder,
+                       bool) const;
+
+      // Windows rpath emulation (windows-rpath.cxx).
+      //
+      struct windows_dll
+      {
+        const string& dll;
+        const string* pdb; // NULL if none.
+        string pdb_storage;
+
+        bool operator< (const windows_dll& y) const {return dll < y.dll;}
+      };
+
+      using windows_dlls = std::set<windows_dll>;
+
+      timestamp
+      windows_rpath_timestamp (const file&,
+                               const scope&,
+                               action, lorder) const;
+
+      windows_dlls
+      windows_rpath_dlls (const file&, const scope&, action, lorder) const;
+
+      void
+      windows_rpath_assembly (const file&, const scope&, action, lorder,
+                              const string&,
+                              timestamp,
+                              bool) const;
+
+      // Windows-specific (windows-manifest.cxx).
+      //
+      pair<path, bool>
+      windows_manifest (const file&, bool rpath_assembly) const;
+
+    private:
+      const string rule_id;
+    };
+  }
+}
+
+#endif // BUILD2_CC_LINK_HXX