From 69c194f57fb85a157ad5caa5eb580a2425685ee0 Mon Sep 17 00:00:00 2001
From: Michael Witrant <mike@lepton.fr>
Date: Sat, 6 Jul 2013 20:05:19 +0200
Subject: [PATCH] LibOVR is optional, and is disabled  by default

---
 code/CMakeModules/nel.cmake          | 2 ++
 code/nel/CMakeLists.txt              | 4 +++-
 code/nel/include/nel/3d/stereo_ovr.h | 5 +++++
 code/nel/src/3d/stereo_display.cpp   | 6 ++++++
 code/nel/src/3d/stereo_ovr.cpp       | 4 ++++
 5 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/code/CMakeModules/nel.cmake b/code/CMakeModules/nel.cmake
index 4308d0b44..f3897cce0 100644
--- a/code/CMakeModules/nel.cmake
+++ b/code/CMakeModules/nel.cmake
@@ -324,6 +324,8 @@ MACRO(NL_SETUP_NEL_DEFAULT_OPTIONS)
   OPTION(WITH_NEL_MAXPLUGIN       "Build NeL 3dsMax Plugin"                       OFF)
   OPTION(WITH_NEL_SAMPLES         "Build NeL Samples"                             ON )
   OPTION(WITH_NEL_TESTS           "Build NeL Unit Tests"                          ON )
+
+  OPTION(WITH_LIBOVR              "With LibOVR support"                           OFF)
 ENDMACRO(NL_SETUP_NEL_DEFAULT_OPTIONS)
 
 MACRO(NL_SETUP_NELNS_DEFAULT_OPTIONS)
diff --git a/code/nel/CMakeLists.txt b/code/nel/CMakeLists.txt
index 1ac54f332..07474abcd 100644
--- a/code/nel/CMakeLists.txt
+++ b/code/nel/CMakeLists.txt
@@ -41,7 +41,9 @@ IF(WITH_GTK)
   FIND_PACKAGE(GTK2)
 ENDIF(WITH_GTK)
 
-FIND_PACKAGE(LibOVR)
+IF(WITH_LIBOVR)
+  FIND_PACKAGE(LibOVR)
+ENDIF(WITH_LIBOVR)
 
 IF(WITH_INSTALL_LIBRARIES)
   IF(UNIX)
diff --git a/code/nel/include/nel/3d/stereo_ovr.h b/code/nel/include/nel/3d/stereo_ovr.h
index 3b417b871..e8a67a45a 100644
--- a/code/nel/include/nel/3d/stereo_ovr.h
+++ b/code/nel/include/nel/3d/stereo_ovr.h
@@ -43,6 +43,9 @@
 
 #ifndef NL3D_STEREO_OVR_H
 #define NL3D_STEREO_OVR_H
+
+#ifdef WITH_LIBOVR
+
 #include <nel/misc/types_nl.h>
 
 // STL includes
@@ -166,6 +169,8 @@ private:
 
 } /* namespace NL3D */
 
+#endif /* WITH_LIBOVR */
+
 #endif /* #ifndef NL3D_STEREO_OVR_H */
 
 /* end of file */
diff --git a/code/nel/src/3d/stereo_display.cpp b/code/nel/src/3d/stereo_display.cpp
index d2a8fd932..57f2722eb 100644
--- a/code/nel/src/3d/stereo_display.cpp
+++ b/code/nel/src/3d/stereo_display.cpp
@@ -75,7 +75,9 @@ const char *IStereoDisplay::getLibraryName(CStereoDeviceInfo::TStereoDeviceLibra
 
 void IStereoDisplay::listDevices(std::vector<CStereoDeviceInfo> &devicesOut)
 {
+#ifdef WITH_LIBOVR
 	CStereoOVR::listDevices(devicesOut);
+#endif
 #if !FINAL_VERSION
 	CStereoDebugger::listDevices(devicesOut);
 #endif
@@ -88,13 +90,17 @@ IStereoDisplay *IStereoDisplay::createDevice(const CStereoDeviceInfo &deviceInfo
 
 void IStereoDisplay::releaseUnusedLibraries()
 {
+#ifdef WITH_LIBOVR
 	if (!CStereoOVR::isLibraryInUse())
 		CStereoOVR::releaseLibrary();
+#endif
 }
 
 void IStereoDisplay::releaseAllLibraries()
 {
+#ifdef WITH_LIBOVR
 	CStereoOVR::releaseLibrary();
+#endif
 }
 
 } /* namespace NL3D */
diff --git a/code/nel/src/3d/stereo_ovr.cpp b/code/nel/src/3d/stereo_ovr.cpp
index 2b91e1836..3c6fb88e2 100644
--- a/code/nel/src/3d/stereo_ovr.cpp
+++ b/code/nel/src/3d/stereo_ovr.cpp
@@ -41,6 +41,8 @@
  * so, delete this exception statement from your version.
  */
 
+#ifdef WITH_LIBOVR
+
 #include <nel/misc/types_nl.h>
 #include <nel/3d/stereo_ovr.h>
 
@@ -736,4 +738,6 @@ bool CStereoOVR::isDeviceCreated()
 
 } /* namespace NL3D */
 
+#endif /* WITH_LIBOVR */
+
 /* end of file */