build: tell libc++ to avoid including transitive headers

And apply BOOST_*_NO_DEPRECATED to debug builds only

Change-Id: Ic65c7ceae07ab6ecd3b3f7322b68f817a41f7716
diff --git a/.waf-tools/dependency-checker.py b/.waf-tools/dependency-checker.py
index 63199a5..d978ba9 100644
--- a/.waf-tools/dependency-checker.py
+++ b/.waf-tools/dependency-checker.py
@@ -1,6 +1,4 @@
-# encoding: utf-8
-
-from waflib import Options, Logs
+from waflib import Options
 from waflib.Configure import conf
 
 def addDependencyOptions(self, opt, name, extraHelp=''):