catkin: build debendencies library of two other libraries

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Dear Community,

i have some troubles with a Library which is dependend on two others. I have added them all to CMakeLists.txt of my Package, it compiles correct but linking doesn't work.

Here the relevant parts of my CMakeLists.txt:

    link_directories(src/vPoint/ src/lsd/)

    add_library(MSAC
        src/vPoint/MSAC.h
        src/vPoint/MSAC.cpp
        src/vPoint/lmmin.h
        src/vPoint/lmmin.c
        src/vPoint/errorNIETO.h
        src/vPoint/errorNIETO.cpp
    )

    add_library(LSDLIB
        src/lsd/lsd.h
        src/lsd/lsd.c
    )

    add_library(FEATURES
        src/feature.cpp
        src/featureConstants.cpp
        include/open_cv_testing/feature.h
    )

add_executable(lsdnode src/lsd_node.cpp)

target_link_libraries(FEATURES LSDLIB MSAC ${catkin_LIBRARIES})

target_link_libraries(lsdnode FEATURES ${catkin_LIBRARIES})

With the Features Library only dependent from MSAC everything worked, but now also with LSDLIB library. It says while Linking it undefined resource lsd(...) but it's well defined with lsd.h and lsd.c.

Any Help what I'm missing appreciated...

The acutall error output is:

/home/martin/catkin_ws/devel/lib/libFEATURES.so: undefined reference to `lsd(int*, double*, int, int)'
collect2: ld returned 1 exit status
make[2]: *** [/home/martin/catkin_ws/devel/lib/open_cv_testing/lsdnode] Error 1
make[1]: *** [open_cv_testing/CMakeFiles/lsdnode.dir/all] Error 2
make: *** [all] Error 2

I'm using ROS Groovy in Ubuntu 12.04 LTS

LSD Library from here: http://www.ipol.im/pub/art/2012/gjmr-... Invoking in my Features Source code as in their call example, which runs without troubles...