FindCGAL.cmake

# - Find CGAL
# Find the CGAL includes and client library
# This module defines
#  CGAL_INCLUDE_DIR, where to find CGAL.h
#  CGAL_LIBRARIES, the libraries needed to use CGAL.
#  CGAL_FOUND, If false, do not try to use CGAL.

if(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)
    set(CGAL_FOUND TRUE)

else(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)

    FIND_PATH(CGAL_INCLUDE_DIR CGAL/basic.h
        ${CGAL_ROOT}/include
        /usr/include
        /usr/local/include
        $ENV{ProgramFiles}/CGAL/*/include
        $ENV{SystemDrive}/CGAL/*/include
        )

    find_library(CGAL_LIBRARIES NAMES CGAL libCGAL
        PATHS
        ${CGAL_ROOT}/lib
        /usr/lib
        /usr/local/lib
        /usr/lib/CGAL
        /usr/lib64
        /usr/local/lib64
        /usr/lib64/CGAL
        $ENV{ProgramFiles}/CGAL/*/lib
        $ENV{SystemDrive}/CGAL/*/lib
        )

    #  set(Boost_DEBUG ON)
    find_package(Boost COMPONENTS thread REQUIRED)
    if(Boost_FOUND)
        set(BOOST_THREAD_LIBRARIES ${Boost_LIBRARIES})
    endif(Boost_FOUND)

    # check boost version we may need other components
    if("${Boost_VERSION}" VERSION_GREATER "104900")
        find_package(Boost COMPONENTS thread system REQUIRED)
        if(Boost_FOUND)
            set(BOOST_THREAD_LIBRARIES ${Boost_LIBRARIES})
        endif(Boost_FOUND)
    endif("${Boost_VERSION}" VERSION_GREATER "104900")

    find_library(GMP_LIBRARIES NAMES gmp libgmp
        PATHS
        ${GMP_ROOT}/lib
        /usr/lib
        /usr/local/lib
        /usr/lib/gmp
        /usr/lib64
        /usr/local/lib64
        /usr/lib64/gmp
        $ENV{ProgramFiles}/gmp/*/lib
        $ENV{SystemDrive}/gmp/*/lib
        )

    message(STATUS "CGAL_INCLUDE_DIR=${CGAL_INCLUDE_DIR}")
    message(STATUS "CGAL_LIBRARIES=${CGAL_LIBRARIES}")
    message(STATUS "BOOST_THREAD_LIBRARIES=${BOOST_THREAD_LIBRARIES}")
    message(STATUS "GMP_LIBRARIES=${GMP_LIBRARIES}")

    if(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)
        set(CGAL_FOUND TRUE)
        message(STATUS "Found CGAL: ${CGAL_INCLUDE_DIR}, ${CGAL_LIBRARIES}, ${BOOST_THREAD_LIBRARIES}, ${GMP_LIBRARIES}")
        INCLUDE_DIRECTORIES(${CGAL_INCLUDE_DIR} $ENV{CGAL_CFG})
    else(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)
        set(CGAL_FOUND FALSE)
        message(STATUS "CGAL not found.")
    endif(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)

    mark_as_advanced(CGAL_INCLUDE_DIR CGAL_LIBRARIES BOOST_THREAD_LIBRARIES GMP_LIBRARIES)

endif(CGAL_INCLUDE_DIR AND CGAL_LIBRARIES AND BOOST_THREAD_LIBRARIES AND GMP_LIBRARIES)