1 files changed, 78 insertions, 0 deletions
diff --git a/libbuild2/install/utility.hxx b/libbuild2/install/utility.hxx
new file mode 100644
index 0000000..13fcceb
--- /dev/null
+++ b/libbuild2/install/utility.hxx
@@ -0,0 +1,78 @@
+// file      : libbuild2/install/utility.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef LIBBUILD2_INSTALL_UTILITY_HXX
+#define LIBBUILD2_INSTALL_UTILITY_HXX
+
+#include <libbuild2/types.hxx>
+#include <libbuild2/utility.hxx>
+
+#include <libbuild2/scope.hxx>
+#include <libbuild2/target.hxx>
+
+#include <libbuild2/export.hxx>
+
+namespace build2
+{
+  namespace install
+  {
+    // Set install path, mode for a target type.
+    //
+    inline void
+    install_path (scope& s, const target_type& tt, dir_path d)
+    {
+      auto r (
+        s.target_vars[tt]["*"].insert (
+          var_pool.rw (s).insert ("install")));
+
+      if (r.second) // Already set by the user?
+        r.first.get () = path_cast<path> (move (d));
+    }
+
+    template <typename T>
+    inline void
+    install_path (scope& s, dir_path d)
+    {
+      return install_path (s, T::static_type, move (d));
+    }
+
+    inline void
+    install_mode (scope& s, const target_type& tt, string m)
+    {
+      auto r (
+        s.target_vars[tt]["*"].insert (
+          var_pool.rw (s).insert ("install.mode")));
+
+      if (r.second) // Already set by the user?
+        r.first.get () = move (m);
+    }
+
+    template <typename T>
+    inline void
+    install_mode (scope& s, string m)
+    {
+      return install_mode (s, T::static_type, move (m));
+    }
+
+    // Resolve relative installation directory path (e.g., include/libfoo) to
+    // its absolute directory path (e.g., /usr/include/libfoo). If the
+    // resolution encountered an unknown directory, issue diagnostics and fail
+    // unless fail_unknown is false, in which case return empty directory.
+    //
+    // Note: implemented in rule.cxx.
+    //
+    LIBBUILD2_SYMEXPORT dir_path
+    resolve_dir (const target&, dir_path, bool fail_unknown = true);
+
+    LIBBUILD2_SYMEXPORT dir_path
+    resolve_dir (const scope&, dir_path, bool fail_unknown = true);
+
+    // Resolve file installation path returning empty path if not installable.
+    //
+    LIBBUILD2_SYMEXPORT path
+    resolve_file (const file&); // rule.cxx
+  }
+}
+
+#endif // LIBBUILD2_INSTALL_UTILITY_HXX