Added LibOVR finder and Linux support, ref #43

--HG--
branch : multipass-stereo

code/CMakeModules/FindLibOVR.cmake

@@ -0,0 +1,60 @@
+# - Locate LibOVR library
+# This module defines
+#  LIBOVR_LIBRARIES, the libraries to link against
+#  LIBOVR_FOUND, if false, do not try to link to LIBOVR
+#  LIBOVR_INCLUDE_DIR, where to find headers.
+
+IF(LIBOVR_LIBRARIES AND LIBOVR_INCLUDE_DIR)
+  # in cache already
+  SET(LIBOVR_FIND_QUIETLY TRUE)
+ENDIF(LIBOVR_LIBRARIES AND LIBOVR_INCLUDE_DIR)
+
+FIND_PATH(LIBOVR_INCLUDE_DIR
+  OVR.h
+  PATHS
+  $ENV{LIBOVR_DIR}/Include
+  /usr/local/include
+  /usr/include
+  /sw/include
+  /opt/local/include
+  /opt/csw/include
+  /opt/include
+)
+
+IF(TARGET_CPU STREQUAL "x86_64")
+  SET(LIBOVR_LIBRARY_BUILD_PATH "Lib/Linux/Release/x86_64")
+ELSE(TARGET_CPU STREQUAL "x86_64")
+  SET(LIBOVR_LIBRARY_BUILD_PATH "Lib/Linux/Release/i386")
+ENDIF(TARGET_CPU STREQUAL "x86_64")
+
+FIND_LIBRARY(LIBOVR_LIBRARY
+  NAMES ovr
+  PATHS
+  $ENV{LIBOVR_DIR}/${LIBOVR_LIBRARY_BUILD_PATH}
+  /usr/local/lib
+  /usr/lib
+  /usr/local/X11R6/lib
+  /usr/X11R6/lib
+  /sw/lib
+  /opt/local/lib
+  /opt/csw/lib
+  /opt/lib
+  /usr/freeware/lib64
+)
+
+IF(LIBOVR_LIBRARY AND LIBOVR_INCLUDE_DIR)
+  IF(NOT LIBOVR_FIND_QUIETLY)
+    MESSAGE(STATUS "Found LibOVR: ${LIBOVR_LIBRARY}")
+  ENDIF(NOT LIBOVR_FIND_QUIETLY)
+  SET(LIBOVR_FOUND "YES")
+  SET(LIBOVR_DEFINITIONS "-DHAVE_LIBOVR")
+  IF(UNIX)
+    SET(LIBOVR_LIBRARIES ${LIBOVR_LIBRARY} X11 Xinerama udev pthread)
+  ELSE(UNIX)
+    SET(LIBOVR_LIBRARIES ${LIBOVR_LIBRARY})
+  ENDIF(UNIX)
+ELSE(LIBOVR_LIBRARY AND LIBOVR_INCLUDE_DIR)
+  IF(NOT LIBOVR_FIND_QUIETLY)
+    MESSAGE(STATUS "Warning: Unable to find LibOVR!")
+  ENDIF(NOT LIBOVR_FIND_QUIETLY)
+ENDIF(LIBOVR_LIBRARY AND LIBOVR_INCLUDE_DIR)

code/nel/CMakeLists.txt

@@ -41,6 +41,8 @@ IF(WITH_GTK)
   FIND_PACKAGE(GTK2)
 ENDIF(WITH_GTK)
 
+FIND_PACKAGE(LibOVR)
+
 IF(WITH_INSTALL_LIBRARIES)
   IF(UNIX)
     SET(prefix ${CMAKE_INSTALL_PREFIX})

code/nel/src/3d/CMakeLists.txt

@@ -701,9 +701,9 @@ SOURCE_GROUP(Stereo FILES
 
 NL_TARGET_LIB(nel3d ${HEADERS} ${SRC})
 
-INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR} ${FREETYPE_INCLUDE_DIRS})
+INCLUDE_DIRECTORIES(${LIBXML2_INCLUDE_DIR} ${FREETYPE_INCLUDE_DIRS} ${LIBOVR_INCLUDE_DIR})
 
-TARGET_LINK_LIBRARIES(nel3d nelmisc ${FREETYPE_LIBRARY})
+TARGET_LINK_LIBRARIES(nel3d nelmisc ${FREETYPE_LIBRARY} ${LIBOVR_LIBRARIES})
 SET_TARGET_PROPERTIES(nel3d PROPERTIES LINK_INTERFACE_LIBRARIES "")
 NL_DEFAULT_PROPS(nel3d "NeL, Library: NeL 3D")
 NL_ADD_RUNTIME_FLAGS(nel3d)
@@ -713,6 +713,8 @@ NL_ADD_LIB_SUFFIX(nel3d)
 
 ADD_DEFINITIONS(${LIBXML2_DEFINITIONS})
 
+ADD_DEFINITIONS(${LIBOVR_DEFINITIONS})
+
 IF(WITH_PCH)
   ADD_NATIVE_PRECOMPILED_HEADER(nel3d ${CMAKE_CURRENT_SOURCE_DIR}/std3d.h ${CMAKE_CURRENT_SOURCE_DIR}/std3d.cpp)
 ENDIF(WITH_PCH)