Robert,
The INCLUDE_DIRECTORIES() line didn't fix the error. It added
"-I/usr/local/lib" to the command lines used to compile the cpp files,
but didn't add the requried "-L/usr/local/lib".
Looking at the output of "grep Xrandr CMakeCache.txt", I see the
following:
XRANDR_LDFLAGS:INTERNAL=-L/usr/local/lib;-lXrandr
which has both the -L and -l options we need to pass to the linker.
Question is, how does this get added to the linker commandline? Looking
through osgViewer's CmakeLists.txt file, I don't see any obvious place.
I got it to link with the following change:
# SET(LIB_EXTRA_LIBS ${XRANDR_LIBRARIES} ${LIB_EXTRA_LIBS})
SET(LIB_EXTRA_LIBS ${XRANDR_LDFLAGS} ${LIB_EXTRA_LIBS})
I have no idea if this is correct usage.
-john
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Robert
Osfield
Sent: Monday, February 02, 2009 12:47 PM
To: OpenSceneGraph Users
Subject: Re: [osg-users] CDash errors/warnings
Hi John,
Could you try the attached src/osgViewer/CMakeLists.txt. This adds a :
INCLUDE_DIRECTORIES(${XRANDR_LIBDIR})
Robert.
On Mon, Feb 2, 2009 at 5:24 PM, Shue, John A <[email protected]>
wrote:
> Robert,
>
> I haven't read all the messages on the other thread with Cedric, but I
> tried this new CMakeLists.txt and it fails like the original one:
>
> Linking CXX shared library ../../lib/libosgViewer.so
> cd /home/jshue/working-OSG/OpenSceneGraph/src/osgViewer &&
> /usr/local/bin/cmake -E cmake_link_script
> CMakeFiles/osgViewer.dir/link.txt --verbose=1
> /usr/bin/c++ -fPIC -Wall -Wparentheses -Wformat=2 -Wno-long-long
> -Wno-import -pedantic -Wreturn-type -Wmissing-braces -Wunknown-pragmas
> -Wunused -fpermissive -O3 -DNDEBUG -shared
> -Wl,-soname,libosgViewer.so.54 -o ../../lib/libosgViewer.so.2.7.9
> CMakeFiles/osgViewer.dir/CompositeViewer.o
> CMakeFiles/osgViewer.dir/HelpHandler.o
> CMakeFiles/osgViewer.dir/Renderer.o CMakeFiles/osgViewer.dir/Scene.o
> CMakeFiles/osgViewer.dir/ScreenCaptureHandler.o
> CMakeFiles/osgViewer.dir/StatsHandler.o
> CMakeFiles/osgViewer.dir/Version.o CMakeFiles/osgViewer.dir/View.o
> CMakeFiles/osgViewer.dir/Viewer.o
CMakeFiles/osgViewer.dir/ViewerBase.o
> CMakeFiles/osgViewer.dir/ViewerEventHandlers.o
> CMakeFiles/osgViewer.dir/GraphicsWindowX11.o
> CMakeFiles/osgViewer.dir/PixelBufferX11.o ../../lib/libosgGA.so.2.7.9
> ../../lib/libosgText.so.2.7.9 ../../lib/libosgDB.so.2.7.9
> ../../lib/libosgUtil.so.2.7.9 ../../lib/libosg.so.2.7.9
> ../../lib/libOpenThreads.so.2.3.1 -lXrandr -lm
/usr/X11R6/lib/libGLU.so
> /usr/X11R6/lib/libGL.so /usr/local/lib/libSM.so
/usr/local/lib/libICE.so
> /usr/local/lib/libX11.so /usr/local/lib/libXext.so -lpthread
>
-Wl,-rpath,/home/jshue/working-OSG/OpenSceneGraph/lib:/usr/local/lib:/us
> r/X11R6/lib
> /usr/bin/ld: cannot find -lXrandr
> gmake[2]: *** [lib/libosgViewer.so.2.7.9] Error 1
>
>
> My libXrandr.so is in /usr/local/lib. I don't see a -L option for
> /usr/local/lib in the commandline above. Also the end of that
> commandline doesn't look right to me, namely
>
"-Wl,-rpath,/home/jshue/working-OSG/OpenSceneGraph/lib:/usr/local/lib:/u
> sr/X11R6/lib".
>
> If I add -L/usr/local/lib to the end of the above commandline, it
links.
>
> -john
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
Robert
> Osfield
> Sent: Monday, February 02, 2009 7:06 AM
> To: OpenSceneGraph Users
> Subject: Re: [osg-users] CDash errors/warnings
>
> Hi John,
>
> On Sat, Jan 31, 2009 at 10:34 PM, Shue, John A <[email protected]>
> wrote:
>> That did the trick. Compiled all the way to the end of the build
> without
>> errors.
>
> Turns out that this fix that works for you and me using CMake 2.6.x,
> breaks the build with Cmake 2.4.8 so we'll need to try out another
> iteration, instead of using the X11_xrand_LIB we'll need to try
> XRANDR_LIBRARIES var. Could you try the attached CMakeLists.txt.
>
> Thanks,
> Robert.
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