[CMake] swig: no rule to make target ***

[Jonatan Bijl]

I'm trying to generate a java-c++ interface using swig. I use the
following function to generate java and C++ wrappers using swig:

 

#Generates a swig library.

function(compile_directory_to_swig DIRECTORY_PATH)

    if(NOT SWIG_FOUND)

        find_package(SWIG REQUIRED)

        include(${SWIG_USE_FILE})

        set(SWIG_CXX_EXTENSION "cpp")

        set(CMAKE_SWIG_FLAGS "")        

    endif(NOT SWIG_FOUND)

    file(GLOB CPP_FILES "${DIRECTORY_PATH}/*.cpp")

    file(GLOB I_FILES  "${DIRECTORY_PATH}/*.i")

    foreach(I_FILE ${I_FILES})

        set_source_files_properties(${I_FILE} PROPERTIES CPLUSPLUS ON)

        set_source_files_properties(${I_FILE} PROPERTIES SWIG_FLAGS
"-includeall")

    endforeach(I_FILE ${I_FILES})    

    get_filename_component(UNIT_NAME ${DIRECTORY_PATH} NAME)

    SWIG_ADD_MODULE(${UNIT_NAME}_swig java ${I_FILES} ${CPP_FILES})

    SWIG_LINK_LIBRARIES(${UNIT_NAME}_swig ${ARGN})

endfunction(compile_directory_to_swig DIRECTORY_PATH)

 

This lists all cpp files and I files in the directory, and calls swig. 

However, this gives the following error:

make[2]: *** No rule to make target
`main/cpp/lib/ThreadedOgreVisualization/VisualizationJAVA_wrap.cpp',
needed by
`main/cpp/lib/CMakeFiles/ThreadedOgreVisualization_swig.dir/ThreadedOgre
Visualization/VisualizationJAVA_wrap.cpp.o'.  Stop.

make[1]: ***
[main/cpp/lib/CMakeFiles/ThreadedOgreVisualization_swig.dir/all] Error 2

make: *** [all] Error 2

 

In the UseSWIG script, the cpp files that will be generated are
explicitly set to "generated" in line 161, so I guess that can't be the
problem

161:  SET_SOURCE_FILES_PROPERTIES("${swig_generated_file_fullname}"
${swig_extra_generated_files}   PROPERTIES GENERATED 1)

 

Any ideas on how to get this working?

 

I'm using cmake 2.6.2

 

Jonatan

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