more cmake/x11 edits

- added includes for spnav
- added FindSpacenav.cmake which allows using spacenav from a nonstandard path.
- remove NDOF_LIBPATH, use a full library path instead.

CMakeLists.txt

@@ -454,11 +454,15 @@ if(UNIX AND NOT APPLE)
 	endif()
 
 	if (WITH_INPUT_NDOF)
-		if(CMAKE_SYSTEM_NAME MATCHES "Linux")
-			set(NDOF /usr)
-			set(NDOF_INC ${NDOF}/include)
-			set(NDOF_LIBRARY spnav)
-			set(NDOF_LIBPATH ${NDOF}/lib)
+		find_package(Spacenav)
+		if(NOT SPACENAV_FOUND)
+			set(WITH_INPUT_NDOF OFF)
+		endif()
+
+		# use generic names within blenders buildsystem.
+		if(SPACENAV_FOUND)
+			set(NDOF_INCLUDE_DIRS ${SPACENAV_INCLUDE_DIRS})
+			set(NDOF_LIBRARIES ${SPACENAV_LIBRARIES})
 		endif()
 	endif()
 
@@ -1334,6 +1338,7 @@ if(FIRST_RUN)
 	info_cfg_option(WITH_OPENCOLLADA)
 	info_cfg_option(WITH_FFTW3)
 	info_cfg_option(WITH_INTERNATIONAL)
+	info_cfg_option(WITH_INPUT_NDOF)
 
 	info_cfg_text("Compiler Options:")
 	info_cfg_option(WITH_BUILDINFO)

build_files/cmake/Modules/FindSpacenav.cmake

@@ -0,0 +1,70 @@
+# - Find Spacenav library
+# Find the native Spacenav includes and library
+# This module defines
+#  SPACENAV_INCLUDE_DIRS, where to find spnav.h, Set when
+#                        SPACENAV_INCLUDE_DIR is found.
+#  SPACENAV_LIBRARIES, libraries to link against to use Spacenav.
+#  SPACENAV_ROOT_DIR, The base directory to search for Spacenav.
+#                    This can also be an environment variable.
+#  SPACENAV_FOUND, If false, do not try to use Spacenav.
+#
+# also defined, but not for general use are
+#  SPACENAV_LIBRARY, where to find the Spacenav library.
+
+#=============================================================================
+# Copyright 2011 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+# If SPACENAV_ROOT_DIR was defined in the environment, use it.
+IF(NOT SPACENAV_ROOT_DIR AND NOT $ENV{SPACENAV_ROOT_DIR} STREQUAL "")
+  SET(SPACENAV_ROOT_DIR $ENV{SPACENAV_ROOT_DIR})
+ENDIF()
+
+SET(_spacenav_SEARCH_DIRS
+  ${SPACENAV_ROOT_DIR}
+  /usr/local
+  /sw # Fink
+  /opt/local # DarwinPorts
+  /opt/csw # Blastwave
+)
+
+FIND_PATH(SPACENAV_INCLUDE_DIR
+  NAMES
+    spnav.h
+  HINTS
+    ${_spacenav_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include
+)
+
+FIND_LIBRARY(SPACENAV_LIBRARY
+  NAMES
+    spnav
+  HINTS
+    ${_spacenav_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+  )
+
+# handle the QUIETLY and REQUIRED arguments and set SPACENAV_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Spacenav DEFAULT_MSG
+    SPACENAV_LIBRARY SPACENAV_INCLUDE_DIR)
+
+IF(SPACENAV_FOUND)
+  SET(SPACENAV_LIBRARIES ${SPACENAV_LIBRARY})
+  SET(SPACENAV_INCLUDE_DIRS ${SPACENAV_INCLUDE_DIR})
+ENDIF(SPACENAV_FOUND)
+
+MARK_AS_ADVANCED(
+  SPACENAV_INCLUDE_DIR
+  SPACENAV_LIBRARY
+)

build_files/cmake/macros.cmake

@@ -193,9 +193,6 @@ macro(SETUP_LIBDIRS)
 	if(WITH_MEM_JEMALLOC)
 		link_directories(${JEMALLOC_LIBPATH})
 	endif()
-	if(WITH_INPUT_NDOF)
-		link_directories(${NDOF_LIBPATH})
-	endif()
 
 	if(WIN32 AND NOT UNIX)
 		link_directories(${PTHREADS_LIBPATH})
@@ -318,7 +315,7 @@ macro(setup_liblinks
 		target_link_libraries(${target} ${JEMALLOC_LIBRARIES})
 	endif()
 	if(WITH_INPUT_NDOF)
-		target_link_libraries(${target} ${NDOF_LIBRARY})
+		target_link_libraries(${target} ${NDOF_LIBRARIES})
 	endif()
 
 	if(WIN32 AND NOT UNIX)

intern/ghost/CMakeLists.txt

@@ -99,6 +99,9 @@ endif()
 
 if(WITH_INPUT_NDOF)
 	add_definitions(-DWITH_INPUT_NDOF)
+	list(APPEND INC_SYS
+		${NDOF_INCLUDE_DIRS}
+	)
 endif()
 
 if(WITH_HEADLESS OR WITH_GHOST_SDL)