Hi All,
I'm off doing training next week and one of the topics may well be touch
upon is osgEphemeris so I've pulled down the CVS from Don's AndesEnginnering
website and had a bash at getting it, and it's dependency of Producer
compiling. I struggled to get things working so ended up having a bash at
porting osgEphemeris to using CMake and against the latest OSG rev.
To get the build working I've drawn the CMake files from VPB, OSG and
osgEarth, it's a bit of hack... but it's almost working. So far the
osgEphemeris library itself is compiling and linking, and the plugin is
compiling, but the paths are failing. So... I was wondering if some helpful
soul might be able to spot my CMake script error(s).
I've put up by branch of osgEphemeris on the openscenegraph.org subversion
repository, you can grab it from:
svn co http://www.openscenegraph.org/svn/osgEphemeris/trunk osgEphemeris
Then to compile it's the usual OSG/Cmake routine, and under unices it looks
like:
./configure
make
Which goes pretty sweetly till it tries to link the plugin. These are the
errors I get:
[ 86%] Building CXX object
src/osgEphemeris/CMakeFiles/osgEphemeris.dir/StarField.o
[ 93%] Building CXX object
src/osgEphemeris/CMakeFiles/osgEphemeris.dir/sun_image.o
Linking CXX shared library ../../lib/libosgEphemeris.so
[ 93%] Built target osgEphemeris
Scanning dependencies of target osgdb_osgephemeris
[100%] Building CXX object
src/osgPlugins/osgEphemeris/CMakeFiles/osgdb_osgephemeris.dir/IO_EphemerisModel.o
Linking CXX shared module /osgPlugins-2.9.2/osgdb_osgephemeris.so
/usr/bin/ld: cannot open output file
/osgPlugins-2.9.2/osgdb_osgephemeris.so: No such file or directory
collect2: ld returned 1 exit status
make[2]: *** [/osgPlugins-2.9.2/osgdb_osgephemeris.so] Error 1
make[1]: ***
[src/osgPlugins/osgEphemeris/CMakeFiles/osgdb_osgephemeris.dir/all] Error 2
The error seems to be in the path to what should
osgEmpheris/lib/osgPlugins-2.9.2, but instead it's just got the path
/osgPlugins-2.9.2/osgdb_osgephemeris.so. While I've tried to honour how the
OSG does thing w.r.t plugins something is obviously wrong.. Hopefully what
is wrong might ring a bell to the OSG/Cmake guru's.
I haven't yet put together an osgViewer based example but this should be
pretty straight forward.
Cheers,
Robert.
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