Hi,
it seems like it found the headers and is breaking on linking.
I attach a CMakeLists.txt I use for simple test apps. It assumes OSG is
installed and the linker can find it (e.g. mine is installed in
/usr/local and /usr/local/lib is added in /etc/ld.so.conf).
You could also have a look at FindOSG module in the latest cmake versions.
jp
--8<---
PROJECT(test)
#SET(CMAKE_CXX_COMPILER "g++-3.4")
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g")
#SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O2")
SET(SOURCES
test.cpp
)
INCLUDE_DIRECTORIES(/usr/local/include)
LINK_DIRECTORIES(${CMAKE_SOURCE_DIR})
ADD_EXECUTABLE(test ${SOURCES})
TARGET_LINK_LIBRARIES(test m osg osgUtil osgGA osgDB osgText osgSim
osgParticle OpenThreads rt)
Thomas Maier wrote:
Hi,
i used the source code on this site
http://www.openscenegraph.org/projects/osg/wiki/Support/Tutorials/BasicGeometry,
then i build test-src/ and test-build/ directories. Into test-src/ dir i put
in the file main.cpp with the example code. Then i created a CMakeLists.txt
file and put into it:
PROJECT(testProject)
ADD_EXECUTABLE(testProjectMain
main.cpp
)
then i switched into test-build/ dir and run "ccmake ../test-src/" then i run
"make" and the output is:
Linking CXX executable /tmp/testProjectMain
/usr/bin/cmake -E cmake_link_script CMakeFiles/testProjectMain.dir/link.txt
--verbose=1
/usr/bin/c++ -g CMakeFiles/testProjectMain.dir/main.o -o /tmp/testProjectMain -rdynamic
CMakeFiles/testProjectMain.dir/main.o: In function `main':
/home/bob/openscenegraph-programming/test/test-src/main.cpp:27: undefined
reference to `osgViewer::Viewer::Viewer()'
/home/bob/openscenegraph-programming/test/test-src/main.cpp:28: undefined
reference to `osg::Group::Group()'
How can i let cmake know that it should use osg header/libs? Is there anywhere
online a tutorial which explains the building of e.g. the examples? i did not
find anything,sorry.
thanks for help
flo
Thank you!
Cheers,
inflo
------------------
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http://forum.openscenegraph.org/viewtopic.php?p=18735#18735
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