root/OpenSceneGraph/trunk/CMakeLists.txt @ 9757

Revision 9757, 35.7 kB (checked in by robert, 6 years ago)

Merged warning fix from OSG-2.8 branch:

svn merge -r 9755:9756 http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches/OpenSceneGraph-2.8

  • Property svn:eol-style set to native
Line 
1IF(WIN32)
2    CMAKE_MINIMUM_REQUIRED(VERSION 2.4.6 FATAL_ERROR)
3ELSE(WIN32)
4    IF(APPLE)
5        CMAKE_MINIMUM_REQUIRED(VERSION 2.6.0 FATAL_ERROR)
6    ELSE(APPLE)
7        CMAKE_MINIMUM_REQUIRED(VERSION 2.4.0 FATAL_ERROR)
8    ENDIF(APPLE)
9ENDIF(WIN32)
10
11if(COMMAND cmake_policy)
12    # Works around warnings libraries linked against that don't
13    # have absolute paths (e.g. -lpthreads)
14    cmake_policy(SET CMP0003 NEW)
15
16    # Works around warnings about escaped quotes in ADD_DEFINITIONS
17    # statements.
18    cmake_policy(SET CMP0005 NEW)
19
20    # cmake-2.6.1 introduces policy cmp0008 decide how to treat full path libraries that do not appear to be valid library file names
21    # quote from cvslog "Such libraries worked by accident in the VS IDE and Xcode generators in CMake 2.4 and below."
22    if(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} GREATER 4 AND ${CMAKE_PATCH_VERSION} GREATER 0)
23        cmake_policy(SET CMP0008 OLD)
24    endif(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} GREATER 4 AND ${CMAKE_PATCH_VERSION} GREATER 0)
25endif(COMMAND cmake_policy)
26
27PROJECT(OpenSceneGraph)
28
29SET(OPENSCENEGRAPH_MAJOR_VERSION 2)
30SET(OPENSCENEGRAPH_MINOR_VERSION 9)
31SET(OPENSCENEGRAPH_PATCH_VERSION 0)
32SET(OPENSCENEGRAPH_SOVERSION 55)
33
34# set to 0 when not a release candidate, non zero means that any generated
35# svn tags will be treated as release candidates of given number
36SET(OPENSCENEGRAPH_RELEASE_CANDIDATE 0)
37
38SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
39
40SET(OSG_PLUGINS osgPlugins-${OPENSCENEGRAPH_VERSION})
41
42SET(OSG_PLUGIN_PREFIX "")
43
44IF (CYGWIN)
45    SET(OSG_PLUGIN_PREFIX "cygwin_")
46ENDIF(CYGWIN)
47
48IF(MINGW)
49    SET(OSG_PLUGIN_PREFIX "mingw_")
50ENDIF(MINGW)
51
52
53# We want to build SONAMES shared librariess
54SET(OPENSCENEGRAPH_SONAMES TRUE)
55SET(OPENTHREADS_SONAMES TRUE)
56
57SET(OpenThreads_SOURCE_DIR ${OpenSceneGraph_SOURCE_DIR})
58
59# We have some custom .cmake scripts not in the official distribution.
60# Maybe this can be used override existing behavior if needed?
61SET(CMAKE_MODULE_PATH "${OpenSceneGraph_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
62
63
64# Okay, here's the problem: On some platforms, linking against OpenThreads
65# is not enough and explicit linking to the underlying thread library
66# is also required (e.g. FreeBSD). But OpenThreads may be built with different
67# backends (Pthreads, Sproc, Windows) so we don't know what the underlying
68# thread library is because some platforms support multiple backends (e.g.
69# IRIX supports Sproc and Pthreads). Linking all libraries won't work
70# because the libraries may be incompatible.
71# So the current solution is to attempt best guess linking and exempt certain
72# cases. With IRIX, we're going to hope explicit linking to the underlying
73# library is not necessary. We currently don't case for pthreads on Windows
74# which might be an issue on things like Cygwin. This may need to be fixed.
75FIND_PACKAGE(Threads)
76IF(CMAKE_SYSTEM MATCHES IRIX)
77    # Erase CMAKE_THREAD_LIBS_INIT and hope it works
78    SET(CMAKE_THREAD_LIBS_INIT "" CACHE INTERNAL "")
79ENDIF(CMAKE_SYSTEM MATCHES IRIX)
80
81OPTION(OSG_MAINTAINER "Enable OpenSceneGraph maintainer build methods, such as making svn branches, tags, updating ChangeLog." OFF)
82IF (OSG_MAINTAINER)
83
84    SET(OPENSCENEGRAPH_SVN "trunk")
85    #SET(OPENSCENEGRAPH_SVN "branches")
86    SET(OPENSCENEGRAPH_BRANCH OpenSceneGraph-${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION})
87
88    #
89    # Provide target for tagging a release
90    #
91    SET(SVNCOMMAND svn)
92    SET(SVNTRUNKDIR     http://www.openscenegraph.org/svn/osg/OpenSceneGraph/trunk)
93    SET(SVNTAGDIR       http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags)
94    SET(SVNBRANCHDIR    http://www.openscenegraph.org/svn/osg/OpenSceneGraph/branches)
95
96    IF   (OPENSCENEGRAPH_SVN STREQUAL "trunk")
97        SET(SVNSOURCEDIR ${SVNTRUNKDIR})
98    ELSE (OPENSCENEGRAPH_SVN STREQUAL "trunk")
99        SET(SVNSOURCEDIR ${SVNBRANCH_DIR}/${OPENSCENEGRAPH_BRANCH})
100    ENDIF(OPENSCENEGRAPH_SVN STREQUAL "trunk")
101
102
103    IF   (OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
104        SET(RELEASE_NAME OpenSceneGraph-${OPENSCENEGRAPH_VERSION})
105    ELSE (OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
106        SET(RELEASE_NAME OpenSceneGraph-${OPENSCENEGRAPH_VERSION}-rc${OPENSCENEGRAPH_RELEASE_CANDIDATE})
107    ENDIF(OPENSCENEGRAPH_RELEASE_CANDIDATE EQUAL 0)
108
109
110    ADD_CUSTOM_TARGET(tag-test
111        COMMAND echo ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNTAGDIR}/${RELEASE_NAME} -m "Release ${RELEASE_NAME}"
112    )
113
114    ADD_CUSTOM_TARGET(tag-run
115        COMMAND ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNTAGDIR}/${RELEASE_NAME} -m "Release ${RELEASE_NAME}"
116    )
117
118    ADD_CUSTOM_TARGET(branch-test
119        COMMAND echo ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNBRANCHDIR}/${OPENSCENEGRAPH_BRANCH} -m "Branch ${OPENSCENEGRAPH_BRANCH}"
120    )
121
122    ADD_CUSTOM_TARGET(branch-run
123        COMMAND ${SVNCOMMAND} copy ${SVNSOURCEDIR} ${SVNBRANCHDIR}/${OPENSCENEGRAPH_BRANCH} -m "Branch ${OPENSCENEGRAPH_BRANCH}"
124    )
125
126    #
127    # Provide target for generating ChangeLog
128    #
129    SET(GENERATELOGS svn2cl)
130
131    ADD_CUSTOM_TARGET(ChangeLog
132        COMMAND ${SVNCOMMAND} update
133        COMMAND ${GENERATELOGS}
134    )
135   
136ENDIF(OSG_MAINTAINER)
137
138
139# Find OpenGL
140FIND_PACKAGE(OpenGL)
141
142IF(APPLE)
143    FIND_LIBRARY(CARBON_LIBRARY Carbon)
144    FIND_LIBRARY(COCOA_LIBRARY Cocoa)
145ENDIF(APPLE)
146
147IF(UNIX)
148    # Not sure what this will do on Cygwin and Msys
149    # Also, remember OS X X11 is a user installed option so it may not exist.
150    FIND_PACKAGE(X11)
151    # Some Unicies need explicit linkage to the Math library or the build fails.
152    FIND_LIBRARY(MATH_LIBRARY m)
153ENDIF(UNIX)
154
155# Make the headers visible to everything
156IF(NOT ${PROJECT_BINARY_DIR} EQUAL ${PROJECT_SOURCE_DIR})
157   INCLUDE_DIRECTORIES(${PROJECT_BINARY_DIR}/include)
158ENDIF(NOT ${PROJECT_BINARY_DIR} EQUAL ${PROJECT_SOURCE_DIR})
159
160INCLUDE_DIRECTORIES(
161    ${OpenSceneGraph_SOURCE_DIR}/include
162    ${OPENGL_INCLUDE_DIR}
163)
164
165# Common global definitions
166#ADD_DEFINITIONS(-D)
167# Platform specific definitions
168
169
170IF(WIN32)
171
172    IF(MSVC)
173        # This option is to enable the /MP switch for Visual Studio 2005 and above compilers
174        OPTION(WIN32_USE_MP "Set to ON to build OpenSceneGraph with the /MP option (Visual Studio 2005 and above)." OFF)
175        MARK_AS_ADVANCED(WIN32_USE_MP)
176        IF(WIN32_USE_MP)
177            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
178        ENDIF(WIN32_USE_MP)
179
180        # turn off various warnings
181        # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
182        #     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd${warning}")
183        # endforeach(warning)
184
185        # More MSVC specific compilation flags
186        ADD_DEFINITIONS(-D_SCL_SECURE_NO_WARNINGS)
187        ADD_DEFINITIONS(-D_CRT_SECURE_NO_DEPRECATE)
188    ENDIF(MSVC)
189
190    #needed for net plugin
191    SET (OSG_SOCKET_LIBS wsock32)
192    # Both Cygwin and Msys need -DNOMINMAX ???
193    IF(UNIX)
194        ADD_DEFINITIONS(-DNOMINMAX)
195    ENDIF(UNIX)
196########################################################################################################
197# the following options are MSVC specific,
198# the first OSG_MSVC_VERSIONED_DLL activate a custom build-time layout that should allow to run examples and application
199# fron bin folder without requiring installation step.
200# it also prepend "osg${OPENSCENEGRAPH_SOVERSION}-" to only .dll files, leaving .lib files untouched in lib
201# it also use a hack to get rid of Debug and Release folder in MSVC projects
202# all the .dll and .pdb are in bin and all the .lib and .exp are in lib
203#
204# the second option disable incremental linking in debug build , that is enabled by default by CMake
205##########################################################################################################
206
207    IF(MSVC)
208        IF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4 AND ${CMAKE_PATCH_VERSION} LESS 7)
209            MESSAGE("Warning:  disabling versioned options 2.4.6 exibits inconsintencies in .pdb naming, at least under MSVC, suggested upgrading at least to 2.4.7")
210            SET(OSG_MSVC_VERSIONED_DLL OFF)
211            SET(OSG_MSVC_DEBUG_INCREMENTAL_LINK ON)
212        ELSE(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4 AND ${CMAKE_PATCH_VERSION} LESS 7)
213            OPTION(OSG_MSVC_VERSIONED_DLL "Set to ON to build OpenSceneGraph with versioned dll names" ON)
214            MARK_AS_ADVANCED(OSG_MSVC_VERSIONED_DLL)
215            OPTION(OSG_MSVC_DEBUG_INCREMENTAL_LINK "Set to OFF to build OpenSceneGraph without incremental linking in debug (release is off by default)" ON)
216            MARK_AS_ADVANCED(OSG_MSVC_DEBUG_INCREMENTAL_LINK)
217            IF(NOT OSG_MSVC_DEBUG_INCREMENTAL_LINK)
218                SET(CMAKE_MODULE_LINKER_FLAGS_DEBUG "/debug /INCREMENTAL:NO")
219                SET(CMAKE_SHARED_LINKER_FLAGS_DEBUG "/debug /INCREMENTAL:NO")
220                SET(CMAKE_EXE_LINKER_FLAGS_DEBUG "/debug /INCREMENTAL:NO")
221            ENDIF(NOT OSG_MSVC_DEBUG_INCREMENTAL_LINK)
222        ENDIF(${CMAKE_MAJOR_VERSION} EQUAL 2 AND ${CMAKE_MINOR_VERSION} EQUAL 4 AND ${CMAKE_PATCH_VERSION} LESS 7)
223    ENDIF(MSVC)
224ENDIF(WIN32)
225
226########################################################################################################
227##### these were settings located in SetupCommon.cmake used in Luigi builds.... find out what are useful
228########################################################################################################
229#luigi#SET(CMAKE_VERBOSE_MAKEFILE TRUE)
230#luigi#SET(CMAKE_SKIP_RPATH TRUE)
231#luigi#SET(CMAKE_SKIP_RULE_DEPENDENCY TRUE)
232#luigi#IF(UNIX)
233#luigi#    LIST_CONTAINS(contains "g++" ${CMAKE_CXX_COMPILER_LIST})
234#luigi#    IF (contains)
235#luigi#        MESSAGE(${MY_MESSAGE_DEFAULT} "${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} setting  CMAKE_CXX_COMPILER to g++")
236#luigi#        SET(CMAKE_CXX_COMPILER "g++")
237#luigi#        SET(CMAKE_CXX_COMPILER_LOADED 2)
238#luigi#        SET(CMAKE_CXX_COMPILER_WORKS 2)
239#luigi#    ENDIF (contains)
240#luigi#    SET(CMAKE_CXX_FLAGS_RELEASE "-O2")
241#luigi#    SET(CMAKE_CXX_FLAGS_DEBUG "-ggdb -gstabs")
242#luigi#ENDIF(UNIX)
243########################################################################################################
244
245OPTION(OSG_USE_FLOAT_MATRIX "Set to ON to build OpenSceneGraph with float Matrix instead of double." OFF)
246MARK_AS_ADVANCED(OSG_USE_FLOAT_MATRIX)
247
248OPTION(OSG_USE_FLOAT_PLANE "Set to ON to build OpenSceneGraph with float Plane instead of double." OFF)
249MARK_AS_ADVANCED(OSG_USE_FLOAT_PLANE)
250
251OPTION(OSG_USE_FLOAT_BOUNDINGSPHERE "Set to ON to build OpenSceneGraph with float BoundingSphere instead of double." ON)
252MARK_AS_ADVANCED(OSG_USE_FLOAT_BOUNDINGSPHERE)
253
254OPTION(OSG_USE_FLOAT_BOUNDINGBOX "Set to ON to build OpenSceneGraph with float BoundingBox instead of double." ON)
255MARK_AS_ADVANCED(OSG_USE_FLOAT_BOUNDINGBOX)
256
257OPTION(OSG_USE_UTF8_FILENAME "Set to ON to use a UTF8 locale for filenames instead of the default locale." OFF)
258MARK_AS_ADVANCED(OSG_USE_UTF8_FILENAME)
259
260OPTION(OSG_DISABLE_MSVC_WARNINGS "Set to OFF to not disable MSVC warnings generated by OSG headers." ON)
261MARK_AS_ADVANCED(OSG_DISABLE_MSVC_WARNINGS)
262
263OPTION(OSG_USE_REF_PTR_IMPLICIT_OUTPUT_CONVERSION "Set to ON to use the ref_ptr<> T* operator() output conversion. " ON)
264
265################################################################################
266# Set Config file
267
268SET(OPENSCENEGRAPH_CONFIG_HEADER "${PROJECT_BINARY_DIR}/include/osg/Config")
269CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/src/osg/Config.in"
270               "${OPENSCENEGRAPH_CONFIG_HEADER}")
271# INSTALL_FILES(/include/osg/ FILES "${OPENSCENEGRAPH_CONFIG_HEADER}")
272
273
274################################################################################
275# Set Version Info resource file
276
277IF(MSVC)
278    SET(OPENSCENEGRAPH_VERSIONINFO_RC "${PROJECT_BINARY_DIR}/PlatformSpecifics/Windows/OpenSceneGraphVersionInfo.rc")
279    CONFIGURE_FILE("${CMAKE_CURRENT_SOURCE_DIR}/PlatformSpecifics/Windows/OpenSceneGraphVersionInfo.rc.in"
280                   "${OPENSCENEGRAPH_VERSIONINFO_RC}")
281ENDIF(MSVC)
282
283################################################################################
284# Optional build components
285
286# OSG Applications
287OPTION(BUILD_OSG_APPLICATIONS "Enable to build OSG Applications (e.g. osgviewer)" ON)
288
289# OSG Examples
290OPTION(BUILD_OSG_EXAMPLES "Enable to build OSG Examples" OFF)
291
292################################################################################
293# 3rd Party Dependency Stuff
294IF(WIN32)
295    INCLUDE(Find3rdPartyDependencies)
296ENDIF(WIN32)
297
298# Common to all platforms:
299FIND_PACKAGE(FreeType)
300FIND_PACKAGE(Inventor)
301FIND_PACKAGE(Jasper)
302FIND_PACKAGE(OpenEXR)
303FIND_PACKAGE(COLLADA)
304FIND_PACKAGE(ZLIB)
305FIND_PACKAGE(Xine)
306FIND_PACKAGE(OpenVRML)
307FIND_PACKAGE(Performer)
308FIND_PACKAGE(GDAL)
309FIND_PACKAGE(CURL)
310FIND_PACKAGE(ITK)
311FIND_PACKAGE(LibVNCServer)
312FIND_PACKAGE(OurDCMTK)
313FIND_PACKAGE(XUL)
314
315#use pkg-config to find various modues
316INCLUDE(FindPkgConfig OPTIONAL)
317
318IF(PKG_CONFIG_FOUND)
319
320    INCLUDE(FindPkgConfig)
321
322    PKG_CHECK_MODULES(GTK gtk+-2.0)
323
324    IF(WIN32)
325        PKG_CHECK_MODULES(GTKGL gtkglext-win32-1.0)
326    ELSE(WIN32)
327        PKG_CHECK_MODULES(GTKGL gtkglext-x11-1.0)
328    ENDIF(WIN32)
329
330    PKG_CHECK_MODULES(RSVG librsvg-2.0)
331    PKG_CHECK_MODULES(CAIRO cairo)
332    PKG_CHECK_MODULES(POPPLER poppler-glib)
333
334ENDIF(PKG_CONFIG_FOUND)
335
336#optional example related dependencies
337IF   (BUILD_OSG_EXAMPLES)
338
339
340    FIND_PACKAGE(FLTK)
341    FIND_PACKAGE(GLUT)
342    FIND_PACKAGE(SDL)
343    FIND_PACKAGE(FOX)
344
345    SET(wxWidgets_USE_LIBS base core gl net)
346    FIND_PACKAGE(wxWidgets)
347
348    # To select a specific version of QT define DESIRED_QT_VERSION
349    # via cmake -DDESIRED_QT_VERSION=4
350    IF  (DESIRED_QT_VERSION)
351
352        IF  (DESIRED_QT_VERSION MATCHES 4)
353          FIND_PACKAGE(Qt4)
354        ELSE(DESIRED_QT_VERSION MATCHES 4)
355          FIND_PACKAGE(Qt3)
356        ENDIF(DESIRED_QT_VERSION MATCHES 4)
357
358    ELSE(DESIRED_QT_VERSION)
359
360        FIND_PACKAGE(Qt4)
361
362        IF  (NOT QT4_FOUND)
363            FIND_PACKAGE(Qt3)
364        ENDIF(NOT QT4_FOUND)
365
366    ENDIF(DESIRED_QT_VERSION)
367
368ENDIF(BUILD_OSG_EXAMPLES)
369
370
371
372
373
374
375#
376# Test to determine if we want the "tripledot" form of the GLU tesselator callback.
377#
378IF(NOT DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT)
379    IF(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
380
381        # Skip the compile check for platforms that never need the variable
382        # form.
383        SET(DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT false)
384
385    ELSE(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
386
387        # For other platforms perform the check
388        INCLUDE(CheckCXXSourceCompiles)
389        SET(CMAKE_REQUIRED_DEFINITIONS -DGLU_TESS_CALLBACK_TRIPLEDOT)
390        SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/include ${GLUT_INCLUDE_DIR} ${GL_INCLUDE_DIR})
391        SET(CMAKE_REQUIRED_LIBRARIES ${GLUT_LIBRARY} ${GL_LIBRARY})
392        CHECK_CXX_SOURCE_COMPILES(
393            "#include <osg/GL>
394            #include <osg/GLU>
395            static void testcb(GLvoid *, void*) { }
396            int main() {
397               GLUtesselator *t = gluNewTess();
398               gluTessCallback(t, GLU_TESS_VERTEX_DATA, (GLU_TESS_CALLBACK) testcb);
399               return 0;
400            }"
401            GLU_Tesselator_Needs_Variable_Parameter_Callback_Convention_Failure_Means_No)
402        SET(DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT
403            ${GLU_Tesselator_Needs_Variable_Parameter_Callback_Convention_Failure_Means_No})
404
405    ENDIF(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
406ENDIF(NOT DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT)
407
408OPTION(OSG_GLU_TESS_CALLBACK_TRIPLEDOT "Set to ON to build with variable parameter (...) version of GLU tesselator callback" ${DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT})
409IF(OSG_GLU_TESS_CALLBACK_TRIPLEDOT)
410    ADD_DEFINITIONS(-DGLU_TESS_CALLBACK_TRIPLEDOT)
411ENDIF(OSG_GLU_TESS_CALLBACK_TRIPLEDOT)
412
413# Platform specific:
414# (We can approach this one of two ways. We can try to FIND everything
415# and simply check if we found the packages before actually building
416# or we can hardcode the cases. The advantage of the former is that
417# packages that are installed on platforms that don't require them
418# will still get built (presuming no compatibility issues). But this
419# also means modules that are redundant may get built. For example,
420# OS X doesn't need GIF, JPEG, PNG, TIFF, etc because it uses QuickTime.
421# Also, it will clutter the CMake menu with "NOT_FOUND".
422# The downside to the latter is that it is harder to build those
423# potentially redundant modules.)
424
425# Image readers/writers depend on 3rd party libraries except for OS X which
426# can use Quicktime.
427IF(NOT APPLE)
428    FIND_PACKAGE(GIFLIB)
429    FIND_PACKAGE(JPEG)
430    FIND_PACKAGE(PNG)
431    FIND_PACKAGE(TIFF)
432
433    # QuickTime is required for OS X, but optional for Windows.
434    IF(WIN32)
435        FIND_PACKAGE(QuickTime)
436    ENDIF(WIN32)
437
438ELSE(NOT APPLE)
439    FIND_PACKAGE(QuickTime)
440ENDIF(NOT APPLE)
441
442################################################################################
443# Create bin and lib directories if required
444
445IF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
446   FILE(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/bin ${CMAKE_BINARY_DIR}/lib ${CMAKE_BINARY_DIR}/lib/${OSG_PLUGINS})
447ENDIF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
448
449
450################################################################################
451# Installation stuff
452
453SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually d on windows")
454ADD_DEFINITIONS(-DOSG_DEBUG_POSTFIX=${CMAKE_DEBUG_POSTFIX})
455
456IF(UNIX AND NOT WIN32)
457  IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
458    ADD_DEFINITIONS("-D_DEBUG")
459  ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
460ENDIF(UNIX AND NOT WIN32)
461
462IF(CYGWIN)
463  IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
464    ADD_DEFINITIONS("-D_DEBUG")
465  ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
466ENDIF(CYGWIN)
467
468IF(UNIX AND NOT WIN32 AND NOT APPLE)
469  IF(CMAKE_SIZEOF_VOID_P MATCHES "8")
470      SET(LIB_POSTFIX "64" CACHE STRING "suffix for 32/64 dir placement")
471      MARK_AS_ADVANCED(LIB_POSTFIX)
472  ENDIF(CMAKE_SIZEOF_VOID_P MATCHES "8")
473ENDIF(UNIX AND NOT WIN32 AND NOT APPLE)
474IF(NOT DEFINED LIB_POSTFIX)
475    SET(LIB_POSTFIX "")
476ENDIF(NOT DEFINED LIB_POSTFIX)
477
478# Here we apparantly do some funky stuff with making the bin/ and lib/
479# folders which is probably needed to work around a very old CMake bug?
480
481#SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin/${CMAKE_SYSTEM_NAME})
482SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin)
483MAKE_DIRECTORY(${OUTPUT_BINDIR})
484IF(MSVC AND NOT MSVC_IDE)
485    MAKE_DIRECTORY(${OUTPUT_BINDIR}/${OSG_PLUGINS})
486ENDIF(MSVC AND NOT MSVC_IDE)
487
488#SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib/${CMAKE_SYSTEM_NAME})
489SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib)
490MAKE_DIRECTORY(${OUTPUT_LIBDIR})
491IF(NOT MSVC)
492    MAKE_DIRECTORY(${OUTPUT_LIBDIR}/${OSG_PLUGINS})
493ENDIF(NOT MSVC)
494
495# On CMake 2.4.x use EXECUTABLE_OUTPUT_PATH and LIBRARY_OUTPUT_PATH and later
496# we work around the DLL placement by use of the PREFIX target property hack
497#
498# On CMake 2.6.x use the newly minted CMAKE_LIBRARY_OUTPUT_DIRECTORY,
499# CMAKE_ARCHIVE_OUTPUT_DIRECTORY & CMAKE_RUNTIME_OUTPUT_DIRECTORY
500
501IF(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
502    # If CMake >= 2.6.0
503    SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR})
504    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_BINDIR})
505    IF(WIN32)
506        SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_BINDIR})
507    ELSE(WIN32)
508        SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR})
509    ENDIF(WIN32)
510ELSE(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
511    SET(EXECUTABLE_OUTPUT_PATH ${OUTPUT_BINDIR})
512    SET(LIBRARY_OUTPUT_PATH ${OUTPUT_LIBDIR})
513ENDIF(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
514
515#SET(INSTALL_BINDIR OpenSceneGraph/bin)
516#SET(INSTALL_INCDIR OpenSceneGraph/include)
517#SET(INSTALL_LIBDIR OpenSceneGraph/lib)
518#SET(INSTALL_DOCDIR OpenSceneGraph/doc)
519
520################################################################################
521# User Options
522
523
524# Expose CMAKE_INCLUDE_PATH and CMAKE_LIBARY_PATH to the GUI so users
525# may set these values without needing to manipulate the environment.
526SET(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} CACHE STRING "You may add additional search paths here. Use ; to separate multiple paths.")
527SET(CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} CACHE STRING "You may add additional search paths here. Use ; to separate multiple paths.")
528# We are proposing that a new variable called CMAKE_PREFIX_PATH be introduced
529# to CMake to compliment CMAKE_INCLUDE_PATH and CMAKE_LIBRARY_PATH.
530# A formal feature request has been submited to CMake, Bug #4947.
531# It is intended for those users who have common prefixes for their INCLUDE
532# and LIBRARY locations. So if users have headers in /usr/local/include
533# and libraries in /usr/local/lib, the common prefix is /usr/local.
534# It should also cover the case where headers and libraries are
535# in the same directory.
536# Our proposal expects that FIND_* commands will automatically search for
537# CMAKE_PREFIX_PATH right after CMAKE_INCLUDE_PATH or CMAKE_LIBRARY_PATH.
538# Obviously, since CMake does not currently support this, we must write
539# our Find*.cmake modules to explicitly support this. Otherwise, this variable
540# will have no impact.
541# This is unofficial so this may be removed or changed at anytime.
542SET(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} CACHE STRING "(EXPERIMENTAL) You may add additional search paths here. Use ; to separate multiple paths.")
543
544# This is for an advanced option to give aggressive warnings
545# under different compilers. If yours is not implemented, this option
546# will not be made available.
547IF(CMAKE_COMPILER_IS_GNUCXX)
548    # To be complete, we might also do GNUCC flags,
549    # but everything here is C++ code.
550    # -Wshadow and -Woverloaded-virtual are also interesting flags, but OSG
551    # returns too many hits.
552    # FYI, if we do implement GNUCC, then -Wmissing-prototypes in another
553    # interesting C-specific flag.
554    # Also, there is a bug in gcc 4.0. Under C++, -pedantic will create
555    # errors instead of warnings for certain issues, including superfluous
556    # semicolons and commas, and the use of long long. -fpermissive seems
557    # to be the workaround.
558    SET(OSG_AGGRESSIVE_WARNING_FLAGS -Wall -Wparentheses -Wno-long-long -Wno-import -pedantic -Wreturn-type -Wmissing-braces -Wunknown-pragmas -Wunused -fpermissive)
559
560    # Previous included -Wformat=2 in OSG_AGGRESSIVE_WARNING_FLAGS but had to remove it due to standard library errors
561
562
563ELSE(CMAKE_COMPILER_IS_GNUCXX)
564    IF(MSVC)
565        # FIXME: What are good aggressive warning flags for Visual Studio?
566        # And do we need to further subcase this for different versions of VS?
567        # CMake variables: MSVC60, MSVC70, MSVC71, MSVC80, CMAKE_COMPILER_2005
568        SET(OSG_AGGRESSIVE_WARNING_FLAGS /W4 /wd4706 /wd4127 /wd4100)
569
570
571    ELSE(MSVC)
572        # CMake lacks an elseif, so other non-gcc, non-VS compilers need
573        # to be listed below. If unhandled, OSG_AGGRESSIVE_WARNING_FLAGS should
574        # remain unset.
575    ENDIF(MSVC)
576ENDIF(CMAKE_COMPILER_IS_GNUCXX)
577
578# This part is for the CMake menu option to toggle the warnings on/off.
579# This will only be made available if we set values for OSG_AGGRESSIVE_WARNING_FLAGS.
580IF(OSG_AGGRESSIVE_WARNING_FLAGS)
581    OPTION(OSG_USE_AGGRESSIVE_WARNINGS "Enable to activate aggressive warnings" ON)
582    MARK_AS_ADVANCED(OSG_USE_AGGRESSIVE_WARNINGS)
583
584    IF(OSG_USE_AGGRESSIVE_WARNINGS)
585        # Add flags defined by OSG_AGGRESSIVE_WARNING_FLAGS if they aren't already there
586        FOREACH(flag ${OSG_AGGRESSIVE_WARNING_FLAGS})
587            IF(NOT CMAKE_CXX_FLAGS MATCHES "${flag}")
588                SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
589            ENDIF(NOT CMAKE_CXX_FLAGS MATCHES "${flag}")
590        ENDFOREACH(flag)
591    ELSE(OSG_USE_AGGRESSIVE_WARNINGS)
592        # Remove all flags considered aggresive
593        FOREACH(flag ${OSG_AGGRESSIVE_WARNING_FLAGS})
594            STRING(REGEX REPLACE "${flag}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
595        ENDFOREACH(flag)
596    ENDIF(OSG_USE_AGGRESSIVE_WARNINGS)
597ENDIF(OSG_AGGRESSIVE_WARNING_FLAGS)
598
599
600# Dynamic vs Static Linking
601OPTION(DYNAMIC_OPENSCENEGRAPH "Set to ON to build OpenSceneGraph for dynamic linking.  Use OFF for static." ON)
602IF   (DYNAMIC_OPENSCENEGRAPH)
603    SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "SHARED")
604ELSE (DYNAMIC_OPENSCENEGRAPH)
605    SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "STATIC")
606ENDIF(DYNAMIC_OPENSCENEGRAPH)
607
608INCLUDE(OsgMacroUtils)
609# OSG Core
610ADD_SUBDIRECTORY(src)
611
612IF   (BUILD_OSG_APPLICATIONS)
613    ADD_SUBDIRECTORY(applications)
614ENDIF(BUILD_OSG_APPLICATIONS)
615
616IF   (BUILD_OSG_EXAMPLES)
617    ADD_SUBDIRECTORY(examples)
618ENDIF(BUILD_OSG_EXAMPLES)
619
620
621# Set defaults for Universal Binaries. We want 32-bit Intel/PPC on 10.4
622# and 32/64-bit Intel/PPC on >= 10.5. Anything <= 10.3 doesn't support.
623IF(APPLE)
624    # These are just defaults/recommendations, but how we want to build
625    # out of the box. But the user needs to be able to change these options.
626    # So we must only set the values the first time CMake is run, or we
627    # will overwrite any changes the user sets.
628    # FORCE is used because the options are not reflected in the UI otherwise.
629    # Seems like a good place to add version specific compiler flags too.
630    IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
631        # This is really fragile, but CMake doesn't provide the OS system
632        # version information we need. (Darwin versions can be changed
633        # independently of OS X versions.)
634        # It does look like CMake handles the CMAKE_OSX_SYSROOT automatically.
635        IF(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
636            # 64-bit compiles are not supported with Carbon. We should enable
637            # 64-bit compilation by default once osgviewer has been
638            # rewritten with Cocoa.
639            #SET(CMAKE_OSX_ARCHITECTURES "ppc;i386;ppc64;x86_64" CACHE STRING "Build architectures for OSX" FORCE)
640            SET(CMAKE_OSX_ARCHITECTURES "ppc;i386" CACHE STRING "Build architectures for OSX" FORCE)
641            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.5 -ftree-vectorize -fvisibility-inlines-hidden" CACHE STRING "Flags used by the compiler during all build types." FORCE)
642        ELSE(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
643            IF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
644                SET(CMAKE_OSX_ARCHITECTURES "ppc;i386" CACHE STRING "Build architectures for OSX" FORCE)
645                SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.4 -ftree-vectorize -fvisibility-inlines-hidden" CACHE STRING "Flags used by the compiler during all build types." FORCE)
646            ELSE(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
647                # No Universal Binary support
648                # Should break down further to set the -mmacosx-version-min,
649                # but the SDK detection is too unreliable here.
650            ENDIF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
651        ENDIF(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
652    ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
653
654    OPTION(OSG_BUILD_APPLICATION_BUNDLES "Enable the building of applications and examples as OSX Bundles" OFF)
655
656ENDIF(APPLE)
657
658
659#
660# Provide target for generating wrappers
661#
662SET(GENWRAPPER genwrapper)
663
664ADD_CUSTOM_TARGET(wrappers
665    COMMAND ${GENWRAPPER} -c ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/genwrapper.conf -t ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/Doxyfile.template -d ${OpenSceneGraph_SOURCE_DIR} | doxygen -
666    COMMAND ${GENWRAPPER} -c ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/genwrapper.conf -l ${OpenSceneGraph_SOURCE_DIR}
667)
668
669# For Doxygen
670INCLUDE(${CMAKE_ROOT}/Modules/Documentation.cmake OPTIONAL)
671OPTION(BUILD_DOCUMENTATION "Build OpenSceneGraph reference documentation using doxygen (use: make DoxygenDoc)" OFF)
672MARK_AS_ADVANCED(CLEAR BUILD_DOCUMENTATION)
673# To build the documention, you will have to enable it
674# and then do the equivalent of "make DoxygenDoc".
675IF(BUILD_DOCUMENTATION)
676
677    OPTION(BUILD_REF_DOCS_SEARCHENGINE "Enable doxygen's search engine (requires that documentation to be installed on a php enabled web server)" OFF)
678    IF(BUILD_REF_DOCS_SEARCHENGINE)
679        SET(SEARCHENGINE YES)
680    ELSE(BUILD_REF_DOCS_SEARCHENGINE)
681        SET(SEARCHENGINE NO)
682    ENDIF(BUILD_REF_DOCS_SEARCHENGINE)
683
684    OPTION(BUILD_REF_DOCS_TAGFILE "Generate a tag file named osg.tag on the documentation web server" OFF)
685    IF(BUILD_REF_DOCS_TAGFILE)
686        SET(GENERATE_TAGFILE "${OpenSceneGraph_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs/osg.tag")
687    ELSE(BUILD_REF_DOCS_TAGFILE)
688        SET(GENERATE_TAGFILE "")
689    ENDIF(BUILD_REF_DOCS_TAGFILE)
690
691    IF(DOT)
692        SET(HAVE_DOT YES)
693    ELSE(DOT)
694        SET(HAVE_DOT NO)
695    ENDIF(DOT)
696   
697    # If html help generation was requested. DOCUMENTATION_HTML_HELP is defined by Documentation.cmake
698    SET(GENERATE_HTMLHELP "NO")
699    IF(DOCUMENTATION_HTML_HELP)
700        # on windows Documentation.cmake finds the html help workshop fi it exists. On u*ix we might have it with wine but no way to point it out
701        IF(NOT WIN32)
702            SET(HTML_HELP_COMPILER "" CACHE FILEPATH "Enter location of the HTML help compiler to let doxygen compile html")
703            MARK_AS_ADVANCED(HTML_HELP_COMPILER)
704        ENDIF(NOT WIN32)
705        # this var sets a proper value in .doxygen files when coniguring them below
706        SET(GENERATE_HTMLHELP "YES")
707    endif(DOCUMENTATION_HTML_HELP)
708 
709    # This processes our doxyfile.cmake and substitutes paths to generate
710    # a final Doxyfile
711    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/doxyfile.cmake
712        ${PROJECT_BINARY_DIR}/doc/openscenegraph.doxyfile
713    )
714    # copy the osg logo to documentations target folder
715    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/PlatformSpecifics/Windows/icons/src/osg32-32.png
716        ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs/osg32-32.png COPYONLY
717    )
718    #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)
719    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs DESTINATION doc COMPONENT openscenegraph-doc)
720
721    # now set up openthreads documentation generation
722    IF(BUILD_REF_DOCS_TAGFILE)
723        SET(GENERATE_TAGFILE "${OpenSceneGraph_BINARY_DIR}/doc/OpenThreadsReferenceDocs/ot.tag")
724    ENDIF(BUILD_REF_DOCS_TAGFILE)
725
726    # This processes our openthreads.doxyfile.cmake and generate a final doxyfile
727    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/openthreads.doxyfile.cmake
728        ${PROJECT_BINARY_DIR}/doc/openthreads.doxyfile
729    )
730    # copy the osg logo to documentations target folder
731    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/PlatformSpecifics/Windows/icons/src/osg32-32.png
732        ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs/osg32-32.png COPYONLY
733    )
734    #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)
735    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs DESTINATION doc COMPONENT openthreads-doc)
736
737    # Process our other doxyfiles but don't create targets for these
738    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/all_Doxyfile
739        ${PROJECT_BINARY_DIR}/doc/all_Doxyfile)
740    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/auto_Doxyfile
741        ${PROJECT_BINARY_DIR}/doc/auto_Doxyfile)
742    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/core_Doxyfile
743        ${PROJECT_BINARY_DIR}/doc/core_Doxyfile)
744   
745    # This creates a new target to build documentation.
746    # It runs ${DOXYGEN} which is the full path and executable to
747    # Doxygen on your system, set by the FindDoxygen.cmake module
748    # (called by FindDocumentation.cmake).
749    # It runs the final generated Doxyfile against it.
750    # The DOT_PATH is substituted into the Doxyfile.
751    ADD_CUSTOM_TARGET(doc_openscenegraph ${DOXYGEN}
752        ${PROJECT_BINARY_DIR}/doc/openscenegraph.doxyfile
753    )
754    ADD_CUSTOM_TARGET(doc_openthreads ${DOXYGEN}
755        ${PROJECT_BINARY_DIR}/doc/openthreads.doxyfile
756    )
757ENDIF(BUILD_DOCUMENTATION)
758
759OPTION(BUILD_DASHBOARD_REPORTS "Set to ON to activate reporting of OpenSceneGraph builds here http://www.cdash.org/CDashPublic/index.php?project=OpenSceneGraph" OFF)
760IF(BUILD_DASHBOARD_REPORTS)
761# The following are required to uses Dart and the Cdash dashboard
762# viewable here : http://www.cdash.org/CDashPublic/index.php?project=OpenSceneGraph
763    INCLUDE(Dart)
764ENDIF(BUILD_DASHBOARD_REPORTS)
765
766# present the packaging option only if we have the cpack command defined (effectively >= 2.6.0)
767IF(CMAKE_CPACK_COMMAND)
768    OPTION(BUILD_OSG_PACKAGES "Set to ON to generate CPack configuration files and packaging targets" OFF)
769    IF(BUILD_OSG_PACKAGES)
770      INCLUDE(OsgCPack)
771    ENDIF(BUILD_OSG_PACKAGES)
772ENDIF(CMAKE_CPACK_COMMAND)
773
774# Generate pkg-config configuration file
775
776CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/packaging/pkgconfig/openscenegraph.pc.in
777        ${PROJECT_BINARY_DIR}/packaging/pkgconfig/openscenegraph.pc
778    @ONLY
779    )
780
781INSTALL(FILES ${PROJECT_BINARY_DIR}/packaging/pkgconfig/openscenegraph.pc DESTINATION lib${LIB_POSTFIX}/pkgconfig COMPONENT libopenscenegraph-dev)
782
783# Run this as late as possible so users can easier spot the message
784IF (${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
785SET(REQUIRES_LIBPATH_MESSAGE ON)
786ENDIF(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
787
788IF(REQUIRES_LIBPATH_MESSAGE)
789
790    IF (NOT OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE)
791 
792        SET(OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether the libpath message has been reported before")
793
794        MESSAGE("\nThe build system is configured to instal libraries to ${CMAKE_INSTALL_PREFIX}/lib${LIB_POSTFIX}\n"
795            "Your applications may not be able to find your installed libraries unless you:\n"
796            "    set your LD_LIBRARY_PATH (user specific) or\n"
797            "    update your ld.so configuration (system wide)")
798        IF(IS_DIRECTORY /etc/ld.so.conf.d)
799            MESSAGE("You have an ld.so.conf.d directory on your system, so if you wish to ensure that\n"
800                "applications find the installed osg libraries, system wide, you could install a\n"
801                "openscenegraph specific ld.so configuration with:\n"
802                "    sudo make install_ld_conf\n")
803            CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/packaging/ld.so.conf.d/openscenegraph.conf.in
804                ${PROJECT_BINARY_DIR}/packaging/ld.so.conf.d/openscenegraph.conf
805            )
806            ADD_CUSTOM_TARGET(install_ld_conf ${CMAKE_COMMAND} -E copy_if_different
807                ${PROJECT_BINARY_DIR}/packaging/ld.so.conf.d/openscenegraph.conf
808                /etc/ld.so.conf.d/openscenegraph.conf
809                COMMAND ldconfig
810                COMMENT "Copying openscenegraph.conf to /etc/ld.so.conf.d and running ldconfig"
811            )
812        ELSE(IS_DIRECTORY /etc/ld.so.conf.d)
813            IF(EXISTS /etc/ld.so.conf)
814                MESSAGE("You have an ld.so.conf file in /etc, if you wish to ensure \n"
815                "that applications find the installed osg libraries, system wide, you\n"
816                "could add ${CMAKE_INSTALL_PREFIX}/lib${LIB_POSTFIX} to it.")
817            ENDIF(EXISTS /etc/ld.so.conf)
818        ENDIF(IS_DIRECTORY /etc/ld.so.conf.d)
819
820        # emit a message during installation.
821        INSTALL(CODE "MESSAGE(\"Libraries were installed to ${CMAKE_INSTALL_PREFIX}lib${LIB_POSTFIX}.\\nYou may need to update your ld.so configuration. \")")
822
823    ENDIF(NOT OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE)
824
825ELSE(REQUIRES_LIBPATH_MESSAGE)
826
827    SET(OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE 0 CACHE INTERNAL "Flag to track whether the libpath message has been reported before")
828
829ENDIF(REQUIRES_LIBPATH_MESSAGE)
830
831
832# This needs to be run very last so other parts of the scripts can take
833# advantage of this.
834IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
835    SET(OSG_CONFIG_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether this is the first time running CMake or if CMake has been configured before")
836ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
837
838#-----------------------------------------------------------------------------
839### uninstall target
840#-----------------------------------------------------------------------------
841CONFIGURE_FILE(
842  "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
843  "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
844  IMMEDIATE @ONLY)
845ADD_CUSTOM_TARGET(uninstall
846  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
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