Add notion of internal scope, translate external -I to -isystem or equivalent

1 files changed, 34 insertions, 0 deletions

diff --git a/libbuild2/cc/common.ixx b/libbuild2/cc/common.ixx
new file mode 100644
index 0000000..ce28890
--- /dev/null
+++ b/libbuild2/cc/common.ixx
@@ -0,0 +1,34 @@
+// file      : libbuild2/cc/common.ixx -*- C++ -*-
+// license   : MIT; see accompanying LICENSE file
+
+namespace build2
+{
+  namespace cc
+  {
+    inline const scope* data::
+    effective_internal_scope (const scope& bs) const
+    {
+      if (internal_scope == nullptr)
+        return nullptr;
+      else
+      {
+        const string& s (*internal_scope);
+
+        if (s == "current")
+          return internal_scope_current;
+        else if (s == "base")
+          return &bs;
+        else if (s == "root")
+          return bs.root_scope ();
+        else if (s == "bundle")
+          return bs.bundle_scope ();
+        else if (s == "strong")
+          return bs.strong_scope ();
+        else if (s == "weak")
+          return bs.weak_scope ();
+        else
+          return nullptr;
+      }
+    }
+  }
+}