From 1729841083e26d6e14da219355c476b8f173be0c Mon Sep 17 00:00:00 2001
From: timoore <timoore>
Date: Sat, 19 Jul 2008 16:00:58 +0000
Subject: [PATCH] Eliminate empty default constructor for
 SGReaderWriterBTGOptions

---
 simgear/scene/tgdb/SGReaderWriterBTG.cxx        | 5 +++++
 simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx | 6 +++---
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/simgear/scene/tgdb/SGReaderWriterBTG.cxx b/simgear/scene/tgdb/SGReaderWriterBTG.cxx
index 9c35ce6a..1ab674fd 100644
--- a/simgear/scene/tgdb/SGReaderWriterBTG.cxx
+++ b/simgear/scene/tgdb/SGReaderWriterBTG.cxx
@@ -26,6 +26,11 @@
 
 using namespace simgear;
 
+// SGReaderWriterBTGOptions static value here to avoid an additional,
+// tiny source file.
+
+std::string SGReaderWriterBTGOptions::defaultOptions;
+
 const char* SGReaderWriterBTG::className() const
 {
     return "BTG Database reader";
diff --git a/simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx b/simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx
index ed612325..95892178 100644
--- a/simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx
+++ b/simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx
@@ -21,10 +21,9 @@
 #include <simgear/scene/tgdb/obj.hxx>
 class SGReaderWriterBTGOptions : public osgDB::ReaderWriter::Options {
 public:
-    SGReaderWriterBTGOptions() {}
-    SGReaderWriterBTGOptions(const std::string& str):
+    SGReaderWriterBTGOptions(const std::string& str = defaultOptions) :
         osgDB::ReaderWriter::Options(str),
-        _matlib(0), _calcLights(false),
+        _matlib(0), _calcLights(true),
         _useRandomObjects(false),
         _useRandomVegetation(false)
     {}
@@ -58,5 +57,6 @@ protected:
     bool _calcLights;
     bool _useRandomObjects;
     bool _useRandomVegetation;
+    static std::string defaultOptions;
 };
 #endif
-- 
2.39.5