root/OpenSceneGraph/trunk/CMakeLists.txt @ 9817

Revision 9817, 35.8 kB (checked in by robert, 4 years ago)

Added Cmake support for new ffmpeg plugin

  • 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 ${SVNBRANCHDIR}/${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)
314FIND_PACKAGE(FFmpeg)
315
316#use pkg-config to find various modues
317INCLUDE(FindPkgConfig OPTIONAL)
318
319IF(PKG_CONFIG_FOUND)
320
321    INCLUDE(FindPkgConfig)
322
323    PKG_CHECK_MODULES(GTK gtk+-2.0)
324
325    IF(WIN32)
326        PKG_CHECK_MODULES(GTKGL gtkglext-win32-1.0)
327    ELSE(WIN32)
328        PKG_CHECK_MODULES(GTKGL gtkglext-x11-1.0)
329    ENDIF(WIN32)
330
331    PKG_CHECK_MODULES(RSVG librsvg-2.0)
332    PKG_CHECK_MODULES(CAIRO cairo)
333    PKG_CHECK_MODULES(POPPLER poppler-glib)
334
335ENDIF(PKG_CONFIG_FOUND)
336
337#optional example related dependencies
338IF   (BUILD_OSG_EXAMPLES)
339
340
341    FIND_PACKAGE(FLTK)
342    FIND_PACKAGE(GLUT)
343    FIND_PACKAGE(SDL)
344    FIND_PACKAGE(FOX)
345
346    SET(wxWidgets_USE_LIBS base core gl net)
347    FIND_PACKAGE(wxWidgets)
348
349    # To select a specific version of QT define DESIRED_QT_VERSION
350    # via cmake -DDESIRED_QT_VERSION=4
351    IF  (DESIRED_QT_VERSION)
352
353        IF  (DESIRED_QT_VERSION MATCHES 4)
354          FIND_PACKAGE(Qt4)
355        ELSE(DESIRED_QT_VERSION MATCHES 4)
356          FIND_PACKAGE(Qt3)
357        ENDIF(DESIRED_QT_VERSION MATCHES 4)
358
359    ELSE(DESIRED_QT_VERSION)
360
361        FIND_PACKAGE(Qt4)
362
363        IF  (NOT QT4_FOUND)
364            FIND_PACKAGE(Qt3)
365        ENDIF(NOT QT4_FOUND)
366
367    ENDIF(DESIRED_QT_VERSION)
368
369ENDIF(BUILD_OSG_EXAMPLES)
370
371
372
373
374
375
376#
377# Test to determine if we want the "tripledot" form of the GLU tesselator callback.
378#
379IF(NOT DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT)
380    IF(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
381
382        # Skip the compile check for platforms that never need the variable
383        # form.
384        SET(DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT false)
385
386    ELSE(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
387
388        # For other platforms perform the check
389        INCLUDE(CheckCXXSourceCompiles)
390        SET(CMAKE_REQUIRED_DEFINITIONS -DGLU_TESS_CALLBACK_TRIPLEDOT)
391        SET(CMAKE_REQUIRED_INCLUDES ${CMAKE_CURRENT_SOURCE_DIR}/include ${GLUT_INCLUDE_DIR} ${GL_INCLUDE_DIR})
392        SET(CMAKE_REQUIRED_LIBRARIES ${GLUT_LIBRARY} ${GL_LIBRARY})
393        CHECK_CXX_SOURCE_COMPILES(
394            "#include <osg/GL>
395            #include <osg/GLU>
396            static void testcb(GLvoid *, void*) { }
397            int main() {
398               GLUtesselator *t = gluNewTess();
399               gluTessCallback(t, GLU_TESS_VERTEX_DATA, (GLU_TESS_CALLBACK) testcb);
400               return 0;
401            }"
402            GLU_Tesselator_Needs_Variable_Parameter_Callback_Convention_Failure_Means_No)
403        SET(DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT
404            ${GLU_Tesselator_Needs_Variable_Parameter_Callback_Convention_Failure_Means_No})
405
406    ENDIF(WIN32 OR CMAKE_SYSTEM_NAME MATCHES "Linux")
407ENDIF(NOT DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT)
408
409OPTION(OSG_GLU_TESS_CALLBACK_TRIPLEDOT "Set to ON to build with variable parameter (...) version of GLU tesselator callback" ${DEFAULT_GLU_TESS_CALLBACK_TRIPLEDOT})
410IF(OSG_GLU_TESS_CALLBACK_TRIPLEDOT)
411    ADD_DEFINITIONS(-DGLU_TESS_CALLBACK_TRIPLEDOT)
412ENDIF(OSG_GLU_TESS_CALLBACK_TRIPLEDOT)
413
414# Platform specific:
415# (We can approach this one of two ways. We can try to FIND everything
416# and simply check if we found the packages before actually building
417# or we can hardcode the cases. The advantage of the former is that
418# packages that are installed on platforms that don't require them
419# will still get built (presuming no compatibility issues). But this
420# also means modules that are redundant may get built. For example,
421# OS X doesn't need GIF, JPEG, PNG, TIFF, etc because it uses QuickTime.
422# Also, it will clutter the CMake menu with "NOT_FOUND".
423# The downside to the latter is that it is harder to build those
424# potentially redundant modules.)
425
426# Image readers/writers depend on 3rd party libraries except for OS X which
427# can use Quicktime.
428IF(NOT APPLE)
429    FIND_PACKAGE(GIFLIB)
430    FIND_PACKAGE(JPEG)
431    FIND_PACKAGE(PNG)
432    FIND_PACKAGE(TIFF)
433
434    # QuickTime is required for OS X, but optional for Windows.
435    IF(WIN32)
436        FIND_PACKAGE(QuickTime)
437    ENDIF(WIN32)
438
439ELSE(NOT APPLE)
440    FIND_PACKAGE(QuickTime)
441ENDIF(NOT APPLE)
442
443################################################################################
444# Create bin and lib directories if required
445
446IF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
447   FILE(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/bin ${CMAKE_BINARY_DIR}/lib ${CMAKE_BINARY_DIR}/lib/${OSG_PLUGINS})
448ENDIF("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
449
450
451################################################################################
452# Installation stuff
453
454SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually d on windows")
455ADD_DEFINITIONS(-DOSG_DEBUG_POSTFIX=${CMAKE_DEBUG_POSTFIX})
456
457IF(UNIX AND NOT WIN32)
458  IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
459    ADD_DEFINITIONS("-D_DEBUG")
460  ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
461ENDIF(UNIX AND NOT WIN32)
462
463IF(CYGWIN)
464  IF(CMAKE_BUILD_TYPE STREQUAL "Debug")
465    ADD_DEFINITIONS("-D_DEBUG")
466  ENDIF(CMAKE_BUILD_TYPE STREQUAL "Debug")
467ENDIF(CYGWIN)
468
469IF(UNIX AND NOT WIN32 AND NOT APPLE)
470  IF(CMAKE_SIZEOF_VOID_P MATCHES "8")
471      SET(LIB_POSTFIX "64" CACHE STRING "suffix for 32/64 dir placement")
472      MARK_AS_ADVANCED(LIB_POSTFIX)
473  ENDIF(CMAKE_SIZEOF_VOID_P MATCHES "8")
474ENDIF(UNIX AND NOT WIN32 AND NOT APPLE)
475IF(NOT DEFINED LIB_POSTFIX)
476    SET(LIB_POSTFIX "")
477ENDIF(NOT DEFINED LIB_POSTFIX)
478
479# Here we apparantly do some funky stuff with making the bin/ and lib/
480# folders which is probably needed to work around a very old CMake bug?
481
482#SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin/${CMAKE_SYSTEM_NAME})
483SET(OUTPUT_BINDIR ${PROJECT_BINARY_DIR}/bin)
484MAKE_DIRECTORY(${OUTPUT_BINDIR})
485IF(MSVC AND NOT MSVC_IDE)
486    MAKE_DIRECTORY(${OUTPUT_BINDIR}/${OSG_PLUGINS})
487ENDIF(MSVC AND NOT MSVC_IDE)
488
489#SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib/${CMAKE_SYSTEM_NAME})
490SET(OUTPUT_LIBDIR ${PROJECT_BINARY_DIR}/lib)
491MAKE_DIRECTORY(${OUTPUT_LIBDIR})
492IF(NOT MSVC)
493    MAKE_DIRECTORY(${OUTPUT_LIBDIR}/${OSG_PLUGINS})
494ENDIF(NOT MSVC)
495
496# On CMake 2.4.x use EXECUTABLE_OUTPUT_PATH and LIBRARY_OUTPUT_PATH and later
497# we work around the DLL placement by use of the PREFIX target property hack
498#
499# On CMake 2.6.x use the newly minted CMAKE_LIBRARY_OUTPUT_DIRECTORY,
500# CMAKE_ARCHIVE_OUTPUT_DIRECTORY & CMAKE_RUNTIME_OUTPUT_DIRECTORY
501
502IF(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
503    # If CMake >= 2.6.0
504    SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR})
505    SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${OUTPUT_BINDIR})
506    IF(WIN32)
507        SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_BINDIR})
508    ELSE(WIN32)
509        SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${OUTPUT_LIBDIR})
510    ENDIF(WIN32)
511ELSE(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
512    SET(EXECUTABLE_OUTPUT_PATH ${OUTPUT_BINDIR})
513    SET(LIBRARY_OUTPUT_PATH ${OUTPUT_LIBDIR})
514ENDIF(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION GREATER 4)
515
516#SET(INSTALL_BINDIR OpenSceneGraph/bin)
517#SET(INSTALL_INCDIR OpenSceneGraph/include)
518#SET(INSTALL_LIBDIR OpenSceneGraph/lib)
519#SET(INSTALL_DOCDIR OpenSceneGraph/doc)
520
521################################################################################
522# User Options
523
524
525# Expose CMAKE_INCLUDE_PATH and CMAKE_LIBARY_PATH to the GUI so users
526# may set these values without needing to manipulate the environment.
527SET(CMAKE_INCLUDE_PATH ${CMAKE_INCLUDE_PATH} CACHE STRING "You may add additional search paths here. Use ; to separate multiple paths.")
528SET(CMAKE_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} CACHE STRING "You may add additional search paths here. Use ; to separate multiple paths.")
529# We are proposing that a new variable called CMAKE_PREFIX_PATH be introduced
530# to CMake to compliment CMAKE_INCLUDE_PATH and CMAKE_LIBRARY_PATH.
531# A formal feature request has been submited to CMake, Bug #4947.
532# It is intended for those users who have common prefixes for their INCLUDE
533# and LIBRARY locations. So if users have headers in /usr/local/include
534# and libraries in /usr/local/lib, the common prefix is /usr/local.
535# It should also cover the case where headers and libraries are
536# in the same directory.
537# Our proposal expects that FIND_* commands will automatically search for
538# CMAKE_PREFIX_PATH right after CMAKE_INCLUDE_PATH or CMAKE_LIBRARY_PATH.
539# Obviously, since CMake does not currently support this, we must write
540# our Find*.cmake modules to explicitly support this. Otherwise, this variable
541# will have no impact.
542# This is unofficial so this may be removed or changed at anytime.
543SET(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} CACHE STRING "(EXPERIMENTAL) You may add additional search paths here. Use ; to separate multiple paths.")
544
545# This is for an advanced option to give aggressive warnings
546# under different compilers. If yours is not implemented, this option
547# will not be made available.
548IF(CMAKE_COMPILER_IS_GNUCXX)
549    # To be complete, we might also do GNUCC flags,
550    # but everything here is C++ code.
551    # -Wshadow and -Woverloaded-virtual are also interesting flags, but OSG
552    # returns too many hits.
553    # FYI, if we do implement GNUCC, then -Wmissing-prototypes in another
554    # interesting C-specific flag.
555    # Also, there is a bug in gcc 4.0. Under C++, -pedantic will create
556    # errors instead of warnings for certain issues, including superfluous
557    # semicolons and commas, and the use of long long. -fpermissive seems
558    # to be the workaround.
559    SET(OSG_AGGRESSIVE_WARNING_FLAGS -Wall -Wparentheses -Wno-long-long -Wno-import -pedantic -Wreturn-type -Wmissing-braces -Wunknown-pragmas -Wunused -fpermissive)
560
561    # Previous included -Wformat=2 in OSG_AGGRESSIVE_WARNING_FLAGS but had to remove it due to standard library errors
562
563
564ELSE(CMAKE_COMPILER_IS_GNUCXX)
565    IF(MSVC)
566        # FIXME: What are good aggressive warning flags for Visual Studio?
567        # And do we need to further subcase this for different versions of VS?
568        # CMake variables: MSVC60, MSVC70, MSVC71, MSVC80, CMAKE_COMPILER_2005
569        SET(OSG_AGGRESSIVE_WARNING_FLAGS /W4 /wd4706 /wd4127 /wd4100)
570
571
572    ELSE(MSVC)
573        # CMake lacks an elseif, so other non-gcc, non-VS compilers need
574        # to be listed below. If unhandled, OSG_AGGRESSIVE_WARNING_FLAGS should
575        # remain unset.
576    ENDIF(MSVC)
577ENDIF(CMAKE_COMPILER_IS_GNUCXX)
578
579# This part is for the CMake menu option to toggle the warnings on/off.
580# This will only be made available if we set values for OSG_AGGRESSIVE_WARNING_FLAGS.
581IF(OSG_AGGRESSIVE_WARNING_FLAGS)
582
583    IF (APPLE)
584        SET(DEFAULT_USE_AGGRESSIVE_WARNINGS OFF)
585    ELSE(APPLE)
586        SET(DEFAULT_USE_AGGRESSIVE_WARNINGS ON)
587    ENDIF(APPLE)
588
589    OPTION(OSG_USE_AGGRESSIVE_WARNINGS "Enable to activate aggressive warnings" ${DEFAULT_USE_AGGRESSIVE_WARNINGS})
590    MARK_AS_ADVANCED(OSG_USE_AGGRESSIVE_WARNINGS)
591
592    IF(OSG_USE_AGGRESSIVE_WARNINGS)
593        # Add flags defined by OSG_AGGRESSIVE_WARNING_FLAGS if they aren't already there
594        FOREACH(flag ${OSG_AGGRESSIVE_WARNING_FLAGS})
595            IF(NOT CMAKE_CXX_FLAGS MATCHES "${flag}")
596                SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}")
597            ENDIF(NOT CMAKE_CXX_FLAGS MATCHES "${flag}")
598        ENDFOREACH(flag)
599    ELSE(OSG_USE_AGGRESSIVE_WARNINGS)
600        # Remove all flags considered aggresive
601        FOREACH(flag ${OSG_AGGRESSIVE_WARNING_FLAGS})
602            STRING(REGEX REPLACE "${flag}" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
603        ENDFOREACH(flag)
604    ENDIF(OSG_USE_AGGRESSIVE_WARNINGS)
605ENDIF(OSG_AGGRESSIVE_WARNING_FLAGS)
606
607
608# Dynamic vs Static Linking
609OPTION(DYNAMIC_OPENSCENEGRAPH "Set to ON to build OpenSceneGraph for dynamic linking.  Use OFF for static." ON)
610IF   (DYNAMIC_OPENSCENEGRAPH)
611    SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "SHARED")
612ELSE (DYNAMIC_OPENSCENEGRAPH)
613    SET(OPENSCENEGRAPH_USER_DEFINED_DYNAMIC_OR_STATIC "STATIC")
614ENDIF(DYNAMIC_OPENSCENEGRAPH)
615
616INCLUDE(OsgMacroUtils)
617# OSG Core
618ADD_SUBDIRECTORY(src)
619
620IF   (BUILD_OSG_APPLICATIONS)
621    ADD_SUBDIRECTORY(applications)
622ENDIF(BUILD_OSG_APPLICATIONS)
623
624IF   (BUILD_OSG_EXAMPLES)
625    ADD_SUBDIRECTORY(examples)
626ENDIF(BUILD_OSG_EXAMPLES)
627
628
629# Set defaults for Universal Binaries. We want 32-bit Intel/PPC on 10.4
630# and 32/64-bit Intel/PPC on >= 10.5. Anything <= 10.3 doesn't support.
631IF(APPLE)
632    # These are just defaults/recommendations, but how we want to build
633    # out of the box. But the user needs to be able to change these options.
634    # So we must only set the values the first time CMake is run, or we
635    # will overwrite any changes the user sets.
636    # FORCE is used because the options are not reflected in the UI otherwise.
637    # Seems like a good place to add version specific compiler flags too.
638    IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
639        # This is really fragile, but CMake doesn't provide the OS system
640        # version information we need. (Darwin versions can be changed
641        # independently of OS X versions.)
642        # It does look like CMake handles the CMAKE_OSX_SYSROOT automatically.
643        IF(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
644            # 64-bit compiles are not supported with Carbon. We should enable
645            # 64-bit compilation by default once osgviewer has been
646            # rewritten with Cocoa.
647            #SET(CMAKE_OSX_ARCHITECTURES "ppc;i386;ppc64;x86_64" CACHE STRING "Build architectures for OSX" FORCE)
648            SET(CMAKE_OSX_ARCHITECTURES "ppc;i386" CACHE STRING "Build architectures for OSX" FORCE)
649            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)
650        ELSE(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
651            IF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
652                SET(CMAKE_OSX_ARCHITECTURES "ppc;i386" CACHE STRING "Build architectures for OSX" FORCE)
653                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)
654            ELSE(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
655                # No Universal Binary support
656                # Should break down further to set the -mmacosx-version-min,
657                # but the SDK detection is too unreliable here.
658            ENDIF(EXISTS /Developer/SDKs/MacOSX10.4u.sdk)
659        ENDIF(EXISTS /Developer/SDKs/MacOSX10.5.sdk)
660    ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
661
662    OPTION(OSG_BUILD_APPLICATION_BUNDLES "Enable the building of applications and examples as OSX Bundles" OFF)
663
664ENDIF(APPLE)
665
666
667#
668# Provide target for generating wrappers
669#
670SET(GENWRAPPER genwrapper)
671
672ADD_CUSTOM_TARGET(wrappers
673    COMMAND ${GENWRAPPER} -c ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/genwrapper.conf -t ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/Doxyfile.template -d ${OpenSceneGraph_SOURCE_DIR} | doxygen -
674    COMMAND ${GENWRAPPER} -c ${OpenSceneGraph_SOURCE_DIR}/src/osgWrappers/genwrapper.conf -l ${OpenSceneGraph_SOURCE_DIR}
675)
676
677# For Doxygen
678INCLUDE(${CMAKE_ROOT}/Modules/Documentation.cmake OPTIONAL)
679OPTION(BUILD_DOCUMENTATION "Build OpenSceneGraph reference documentation using doxygen (use: make DoxygenDoc)" OFF)
680MARK_AS_ADVANCED(CLEAR BUILD_DOCUMENTATION)
681# To build the documention, you will have to enable it
682# and then do the equivalent of "make DoxygenDoc".
683IF(BUILD_DOCUMENTATION)
684
685    OPTION(BUILD_REF_DOCS_SEARCHENGINE "Enable doxygen's search engine (requires that documentation to be installed on a php enabled web server)" OFF)
686    IF(BUILD_REF_DOCS_SEARCHENGINE)
687        SET(SEARCHENGINE YES)
688    ELSE(BUILD_REF_DOCS_SEARCHENGINE)
689        SET(SEARCHENGINE NO)
690    ENDIF(BUILD_REF_DOCS_SEARCHENGINE)
691
692    OPTION(BUILD_REF_DOCS_TAGFILE "Generate a tag file named osg.tag on the documentation web server" OFF)
693    IF(BUILD_REF_DOCS_TAGFILE)
694        SET(GENERATE_TAGFILE "${OpenSceneGraph_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs/osg.tag")
695    ELSE(BUILD_REF_DOCS_TAGFILE)
696        SET(GENERATE_TAGFILE "")
697    ENDIF(BUILD_REF_DOCS_TAGFILE)
698
699    IF(DOT)
700        SET(HAVE_DOT YES)
701    ELSE(DOT)
702        SET(HAVE_DOT NO)
703    ENDIF(DOT)
704   
705    # If html help generation was requested. DOCUMENTATION_HTML_HELP is defined by Documentation.cmake
706    SET(GENERATE_HTMLHELP "NO")
707    IF(DOCUMENTATION_HTML_HELP)
708        # on windows Documentation.cmake finds the html help workshop fi it exists. On u*ix we might have it with wine but no way to point it out
709        IF(NOT WIN32)
710            SET(HTML_HELP_COMPILER "" CACHE FILEPATH "Enter location of the HTML help compiler to let doxygen compile html")
711            MARK_AS_ADVANCED(HTML_HELP_COMPILER)
712        ENDIF(NOT WIN32)
713        # this var sets a proper value in .doxygen files when coniguring them below
714        SET(GENERATE_HTMLHELP "YES")
715    endif(DOCUMENTATION_HTML_HELP)
716 
717    # This processes our doxyfile.cmake and substitutes paths to generate
718    # a final Doxyfile
719    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/doxyfile.cmake
720        ${PROJECT_BINARY_DIR}/doc/openscenegraph.doxyfile
721    )
722    # copy the osg logo to documentations target folder
723    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/PlatformSpecifics/Windows/icons/src/osg32-32.png
724        ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs/osg32-32.png COPYONLY
725    )
726    #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)
727    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenSceneGraphReferenceDocs DESTINATION doc COMPONENT openscenegraph-doc)
728
729    # now set up openthreads documentation generation
730    IF(BUILD_REF_DOCS_TAGFILE)
731        SET(GENERATE_TAGFILE "${OpenSceneGraph_BINARY_DIR}/doc/OpenThreadsReferenceDocs/ot.tag")
732    ENDIF(BUILD_REF_DOCS_TAGFILE)
733
734    # This processes our openthreads.doxyfile.cmake and generate a final doxyfile
735    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/openthreads.doxyfile.cmake
736        ${PROJECT_BINARY_DIR}/doc/openthreads.doxyfile
737    )
738    # copy the osg logo to documentations target folder
739    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/PlatformSpecifics/Windows/icons/src/osg32-32.png
740        ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs/osg32-32.png COPYONLY
741    )
742    #INSTALL(FILES ${PROJECT_BINARY_DIR}/doc/${PROJECT_NAME}ReferenceDocs-${OPENSCENEGRAPH_VERSION}.chm DESTINATION doc OPTIONAL COMPONENT openscenegraph-doc)
743    INSTALL(DIRECTORY ${PROJECT_BINARY_DIR}/doc/OpenThreadsReferenceDocs DESTINATION doc COMPONENT openthreads-doc)
744
745    # Process our other doxyfiles but don't create targets for these
746    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/all_Doxyfile
747        ${PROJECT_BINARY_DIR}/doc/all_Doxyfile)
748    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/auto_Doxyfile
749        ${PROJECT_BINARY_DIR}/doc/auto_Doxyfile)
750    CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/doc/Doxyfiles/core_Doxyfile
751        ${PROJECT_BINARY_DIR}/doc/core_Doxyfile)
752   
753    # This creates a new target to build documentation.
754    # It runs ${DOXYGEN} which is the full path and executable to
755    # Doxygen on your system, set by the FindDoxygen.cmake module
756    # (called by FindDocumentation.cmake).
757    # It runs the final generated Doxyfile against it.
758    # The DOT_PATH is substituted into the Doxyfile.
759    ADD_CUSTOM_TARGET(doc_openscenegraph ${DOXYGEN}
760        ${PROJECT_BINARY_DIR}/doc/openscenegraph.doxyfile
761    )
762    ADD_CUSTOM_TARGET(doc_openthreads ${DOXYGEN}
763        ${PROJECT_BINARY_DIR}/doc/openthreads.doxyfile
764    )
765ENDIF(BUILD_DOCUMENTATION)
766
767OPTION(BUILD_DASHBOARD_REPORTS "Set to ON to activate reporting of OpenSceneGraph builds here http://www.cdash.org/CDashPublic/index.php?project=OpenSceneGraph" OFF)
768IF(BUILD_DASHBOARD_REPORTS)
769# The following are required to uses Dart and the Cdash dashboard
770# viewable here : http://www.cdash.org/CDashPublic/index.php?project=OpenSceneGraph
771    INCLUDE(Dart)
772ENDIF(BUILD_DASHBOARD_REPORTS)
773
774# present the packaging option only if we have the cpack command defined (effectively >= 2.6.0)
775IF(CMAKE_CPACK_COMMAND)
776    OPTION(BUILD_OSG_PACKAGES "Set to ON to generate CPack configuration files and packaging targets" OFF)
777    IF(BUILD_OSG_PACKAGES)
778      INCLUDE(OsgCPack)
779    ENDIF(BUILD_OSG_PACKAGES)
780ENDIF(CMAKE_CPACK_COMMAND)
781
782# Generate pkg-config configuration file
783
784CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/packaging/pkgconfig/openscenegraph.pc.in
785        ${PROJECT_BINARY_DIR}/packaging/pkgconfig/openscenegraph.pc
786    @ONLY
787    )
788
789INSTALL(FILES ${PROJECT_BINARY_DIR}/packaging/pkgconfig/openscenegraph.pc DESTINATION lib${LIB_POSTFIX}/pkgconfig COMPONENT libopenscenegraph-dev)
790
791# Run this as late as possible so users can easier spot the message
792IF (${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
793SET(REQUIRES_LIBPATH_MESSAGE ON)
794ENDIF(${CMAKE_INSTALL_PREFIX} STREQUAL "/usr/local")
795
796IF(REQUIRES_LIBPATH_MESSAGE)
797
798    IF (NOT OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE)
799 
800        SET(OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE 1 CACHE INTERNAL "Flag to track whether the libpath message has been reported before")
801
802        MESSAGE("\nThe build system is configured to instal libraries to ${CMAKE_INSTALL_PREFIX}/lib${LIB_POSTFIX}\n"
803            "Your applications may not be able to find your installed libraries unless you:\n"
804            "    set your LD_LIBRARY_PATH (user specific) or\n"
805            "    update your ld.so configuration (system wide)")
806        IF(IS_DIRECTORY /etc/ld.so.conf.d)
807            MESSAGE("You have an ld.so.conf.d directory on your system, so if you wish to ensure that\n"
808                "applications find the installed osg libraries, system wide, you could install a\n"
809                "openscenegraph specific ld.so configuration with:\n"
810                "    sudo make install_ld_conf\n")
811            CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/packaging/ld.so.conf.d/openscenegraph.conf.in
812                ${PROJECT_BINARY_DIR}/packaging/ld.so.conf.d/openscenegraph.conf
813            )
814            ADD_CUSTOM_TARGET(install_ld_conf ${CMAKE_COMMAND} -E copy_if_different
815                ${PROJECT_BINARY_DIR}/packaging/ld.so.conf.d/openscenegraph.conf
816                /etc/ld.so.conf.d/openscenegraph.conf
817                COMMAND ldconfig
818                COMMENT "Copying openscenegraph.conf to /etc/ld.so.conf.d and running ldconfig"
819            )
820        ELSE(IS_DIRECTORY /etc/ld.so.conf.d)
821            IF(EXISTS /etc/ld.so.conf)
822                MESSAGE("You have an ld.so.conf file in /etc, if you wish to ensure \n"
823                "that applications find the installed osg libraries, system wide, you\n"
824                "could add ${CMAKE_INSTALL_PREFIX}/lib${LIB_POSTFIX} to it.")
825            ENDIF(EXISTS /etc/ld.so.conf)
826        ENDIF(IS_DIRECTORY /etc/ld.so.conf.d)
827
828        # emit a message during installation.
829        INSTALL(CODE "MESSAGE(\"Libraries were installed to ${CMAKE_INSTALL_PREFIX}lib${LIB_POSTFIX}.\\nYou may need to update your ld.so configuration. \")")
830
831    ENDIF(NOT OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE)
832
833ELSE(REQUIRES_LIBPATH_MESSAGE)
834
835    SET(OSG_LIBPATH_MESSAGE_HAS_BEEN_RUN_BEFORE 0 CACHE INTERNAL "Flag to track whether the libpath message has been reported before")
836
837ENDIF(REQUIRES_LIBPATH_MESSAGE)
838
839
840# This needs to be run very last so other parts of the scripts can take
841# advantage of this.
842IF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
843    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")
844ENDIF(NOT OSG_CONFIG_HAS_BEEN_RUN_BEFORE)
845
846#-----------------------------------------------------------------------------
847### uninstall target
848#-----------------------------------------------------------------------------
849CONFIGURE_FILE(
850  "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
851  "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
852  IMMEDIATE @ONLY)
853ADD_CUSTOM_TARGET(uninstall
854  "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
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