project(OpenCamLib)

cmake_minimum_required(VERSION 2.4)


#
# Turn compiler warnings up to 11, at least with gcc.  I dont know how to
# do this with other compilers we might support and I'm leaving it up to
# the relevant platform maintainers...
#
# #include'ing the boost graph-library creates deprecated warnings
# thus we use now use -Wno-deprecated here.
#

if (CMAKE_BUILD_TOOL MATCHES "make")
    add_definitions(-Wall -Werror -Wno-deprecated)
endif (CMAKE_BUILD_TOOL MATCHES "make")


#
# this figures out the Python include directories and adds them to the
# header file search path
#

execute_process(
    COMMAND python-config --includes
    COMMAND sed -r "s/-I//g; s/ +/;/g"
    COMMAND tr -d '\n'
    OUTPUT_VARIABLE Python_Includes
)
include_directories(${Python_Includes})


# run get_revision.py which generates revision.h needed by ocl.revision()

execute_process(
     COMMAND python get_revision.py
)
MESSAGE(STATUS "running get_revision.py to generate revision.h")


#
# this finds the boost python library (it's installed under different names
# on Ubuntu Hardy through Karmic vs Lucid)
#

# this is the old (pre 2010May12) way of finding boost-python
# find_library(
#     LIB_BOOST_PYTHON
#     NAMES boost_python-mt boost_python
# )
# MESSAGE(STATUS "found boost-python: " ${LIB_BOOST_PYTHON})

find_package( Boost COMPONENTS python REQUIRED)
if(Boost_FOUND)
    include_directories(${Boost_INCLUDE_DIRS})
    MESSAGE(STATUS "found Boost: " ${Boost_LIB_VERSION})
    MESSAGE(STATUS "boost-incude dirs are: " ${Boost_INCLUDE_DIRS})
    MESSAGE(STATUS "boost-python lib is: " ${Boost_PYTHON_LIBRARY})
endif()

#
# find OpenMP
#

find_package( OpenMP REQUIRED )

IF (OPENMP_FOUND)
    MESSAGE(STATUS "found OpenMP, compiling with flags: " ${OpenMP_CXX_FLAGS} )
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
    MESSAGE(STATUS "flags are now: " ${CMAKE_CXX_FLAGS})
ENDIF(OPENMP_FOUND)

# alternative markup for getting the revision string
#add_custom_command(
#            OUTPUT revision.h
#            COMMAND python get_revision.py
#            COMMENT running revision.py
#            DEPENDS get_revision.py
#)

#
# this makes the ocl Python module
#

add_library(
    ocl 
    MODULE
    arc.cpp
    ballcutter.cpp
    batchdropcutter.cpp
    batchpushcutter.cpp
    bbox.cpp
    bullcutter.cpp
    compoundcutter.cpp
    conecutter.cpp
    millingcutter.cpp
    cylcutter.cpp
    fiber.cpp
    kdtree.cpp
    kdtree2.cpp
    line.cpp
    numeric.cpp
    ocl_cutters.cpp
    ocl_geometry.cpp
    ocl_octree.cpp
    ocl.cpp
    ocode.cpp
    octree.cpp
    oellipse.cpp
    epos.cpp
    path.cpp
    pathdropcutter.cpp
    point.cpp
    ccpoint.cpp
    clpoint.cpp
    clfilter.cpp
    stlsurf.cpp
    stlreader.cpp
    triangle.cpp
    volume.cpp
    weave.cpp
)
MESSAGE(STATUS "linking with boost: " ${Boost_LIBRARIES})
target_link_libraries(ocl ${Boost_LIBRARIES})
set_target_properties(ocl PROPERTIES PREFIX "")

# was:
# target_link_libraries(ocl ${LIB_BOOST_PYTHON})



#
# this makes a shared library for use by c/c++ code
#
# FIXME: make this work
#
# add_library(
#    ocl10.4
#    SHARED
#    arc.cpp
#    ballcutter.cpp
#    bullcutter.cpp
#    conecutter.cpp
#    cutter.cpp
#    cylcutter.cpp
#    kdtree.cpp
#    line.cpp
#    numeric.cpp
#    #ocl.cpp
#    octree.cpp
#    oellipse.cpp
#    path.cpp
#    pathfinish.cpp
#    pfinish.cpp
#    point.cpp
#    stlsurf.cpp
#    triangle.cpp
#    volume.cpp
# )
# target_link_libraries(ocl "")

#
# this figures out where to install the Python modules
#

execute_process(
    COMMAND python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()"
    OUTPUT_VARIABLE Python_site_packages
    OUTPUT_STRIP_TRAILING_WHITESPACE
)
MESSAGE(STATUS "Python libraries will be installed to: " ${Python_site_packages})

install(
    TARGETS ocl
    LIBRARY DESTINATION ${Python_site_packages}
)

install(
    # FILES ../lib/camvtk.py
    DIRECTORY ../lib/
    DESTINATION ${Python_site_packages}
    # PATTERN .svn EXCLUDE
)


#
# this installs the examples
#

install(
    DIRECTORY ../scripts/
    DESTINATION share/doc/python-opencam/examples
    PATTERN .svn EXCLUDE
)

install(
    DIRECTORY ../stl/
    DESTINATION share/doc/python-opencam/examples/stl
    PATTERN .svn EXCLUDE
)


#
# build & install documentation (if Doxygen is available)
#

FIND_PACKAGE(Doxygen)
IF (DOXYGEN_FOUND)
    # this works around a bug in cmake 2.4 (Ubuntu Hardy)
    execute_process(
        COMMAND mkdir -p doc/html doc/latex
    )

    FIND_PACKAGE(LATEX)
    IF    (NOT LATEX_COMPILER)
        MESSAGE(STATUS "latex command LATEX_COMPILER not found but usually required. You will probably get warnings and user inetraction on doxy run.")
    ENDIF (NOT LATEX_COMPILER)
    IF    (NOT MAKEINDEX_COMPILER)
        MESSAGE(STATUS "makeindex command MAKEINDEX_COMPILER not found but usually required.")
    ENDIF (NOT MAKEINDEX_COMPILER)
    IF    (NOT DVIPS_CONVERTER)
        MESSAGE(STATUS "dvips command DVIPS_CONVERTER not found but usually required.")
    ENDIF (NOT DVIPS_CONVERTER)
    
    if (EXISTS Doxyfile)
        set(DOXY_CONFIG Doxyfile)
    endif (EXISTS Doxyfile)

    add_custom_command(
        OUTPUT
            doc/latex/index.tex
            doc/html/index.html
        COMMAND ${DOXYGEN_EXECUTABLE} ${DOXY_CONFIG}
        COMMENT building LaTex & HTML docs
    )

    add_custom_target(
        doc
        #ALL
        DEPENDS doc/latex/index.tex
    )


    IF (EXISTS ${PDFLATEX_COMPILER})
        add_custom_command(
            OUTPUT doc/latex/refman.pdf
            DEPENDS doc/latex/index.tex
            WORKING_DIRECTORY doc/latex
            COMMAND make pdf
            COMMENT building PDF docs
            COMMAND mv refman.pdf ../ocl-manual.pdf
        )

        add_custom_target(
            doc-pdf
            DEPENDS doc/latex/refman.pdf
        )

        add_dependencies(doc doc-pdf)
    ELSE (EXISTS ${PDFLATEX_COMPILER}) 
        message(STATUS "pdflatex compiler not found, PDF docs will not be built")
    ENDIF (EXISTS ${PDFLATEX_COMPILER})


    add_custom_target(
        doc-latex
        DEPENDS doc/latex/index.tex
    )

    install(
        DIRECTORY doc/latex/
        DESTINATION share/doc/python-opencam/pdf
        FILES_MATCHING PATTERN *.pdf
    )

    install(
        FILES doc/ocl-manual.pdf
        DESTINATION share/doc/python-opencam/pdf
    )

    install(
        DIRECTORY doc/html
        DESTINATION share/doc/python-opencam/
    )

ENDIF(DOXYGEN_FOUND)