From b1c49045a8cdf311bc06438ba361c9f815ee4d54 Mon Sep 17 00:00:00 2001
From: Tim Moore <timoore@redhat.com>
Date: Sun, 18 Oct 2009 12:08:42 +0200
Subject: [PATCH] forward declare Point3D in sg_types.hxx

This avoids sucking in SGMath.hxx -- and therefore a bunch of OSG headers --
into many compilation units.
---
 simgear/io/sg_binobj.hxx          | 1 +
 simgear/math/sg_types.hxx         | 2 +-
 simgear/misc/texcoord.cxx         | 1 +
 simgear/scene/sky/oursun.cxx      | 1 +
 simgear/scene/tgdb/SGLightBin.hxx | 2 ++
 5 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/simgear/io/sg_binobj.hxx b/simgear/io/sg_binobj.hxx
index 7fd5eb47..be77d586 100644
--- a/simgear/io/sg_binobj.hxx
+++ b/simgear/io/sg_binobj.hxx
@@ -33,6 +33,7 @@
 #include <simgear/compiler.h>
 #include <simgear/constants.h>
 #include <simgear/math/sg_types.hxx>
+#include <simgear/math/point3d.hxx>
 #include <simgear/bucket/newbucket.hxx>
 
 #include <stdio.h>
diff --git a/simgear/math/sg_types.hxx b/simgear/math/sg_types.hxx
index 4698acec..f413c26b 100644
--- a/simgear/math/sg_types.hxx
+++ b/simgear/math/sg_types.hxx
@@ -38,7 +38,7 @@
 #include <string>
 #include <vector>
 
-#include <simgear/math/point3d.hxx>
+class Point3D;
 
 using std::vector;
 using std::string;
diff --git a/simgear/misc/texcoord.cxx b/simgear/misc/texcoord.cxx
index 2705980d..30af6eff 100644
--- a/simgear/misc/texcoord.cxx
+++ b/simgear/misc/texcoord.cxx
@@ -149,6 +149,7 @@ enter this in the official comments in case I forget again. :-)
 
 #include "texcoord.hxx"
 
+#include <simgear/math/point3d.hxx>
 // using std::cout;
 // using std::endl;
 
diff --git a/simgear/scene/sky/oursun.cxx b/simgear/scene/sky/oursun.cxx
index e4249989..db7e7319 100644
--- a/simgear/scene/sky/oursun.cxx
+++ b/simgear/scene/sky/oursun.cxx
@@ -41,6 +41,7 @@
 #include <osg/Texture2D>
 #include <osgDB/ReadFile>
 
+#include <simgear/math/SGMath.hxx>
 #include <simgear/misc/PathOptions.hxx>
 #include <simgear/screen/colors.hxx>
 #include <simgear/scene/model/model.hxx>
diff --git a/simgear/scene/tgdb/SGLightBin.hxx b/simgear/scene/tgdb/SGLightBin.hxx
index 09df31e3..c6cb6f25 100644
--- a/simgear/scene/tgdb/SGLightBin.hxx
+++ b/simgear/scene/tgdb/SGLightBin.hxx
@@ -22,6 +22,8 @@
 #ifndef SG_LIGHT_BIN_HXX
 #define SG_LIGHT_BIN_HXX
 
+#include <simgear/math/SGMath.hxx>
+
 class SGLightBin {
 public:
   struct Light {
-- 
2.39.5