set(LIBRARIES_TO_CHECK
  Boost GMP MPFR VTK Qt6
  Eigen3 OpenGR libpointmatcher LEDA MPFI
  TBB OpenCV METIS ZLIB GLPK SCIP
)

function(check_library cgal_3rdparty_lib)
  set(QT_NO_CREATE_VERSIONLESS_TARGETS ON)
  set(CMAKE_FIND_PACKAGE_QUIET TRUE)
  find_package(${cgal_3rdparty_lib} QUIET)
  set(CMAKE_FIND_PACKAGE_QUIET FALSE)
  if(${cgal_3rdparty_lib}_FOUND)
    set(version_var "")
    if(${cgal_3rdparty_lib} STREQUAL "Eigen3")
      set(version_var ${EIGEN3_VERSION})
    elseif(${cgal_3rdparty_lib} STREQUAL "GMP")
      set(GMP_HEADER_PATH "${GMP_INCLUDE_DIR}/gmp.h")
      file(READ "${GMP_HEADER_PATH}" GMP_HEADER_CONTENT)
      string(REGEX MATCHALL "#include[ \t]+\"([^\"]+)\"" INCLUDED_HEADERS "${GMP_HEADER_CONTENT}")
      set(GMP_VERSION_MAJOR "")
      set(GMP_VERSION_MINOR "")
      set(GMP_VERSION_PATCH "")
      foreach(INCLUDED_HEADER ${INCLUDED_HEADERS})
        string(REGEX REPLACE "#include[ \t]+\"([^\"]+)\"" "\\1" GMP_ARCH_HEADER "${INCLUDED_HEADER}")
        set(GMP_ARCH_HEADER_PATH "${GMP_INCLUDE_DIR}/${GMP_ARCH_HEADER}")
        if(EXISTS "${GMP_ARCH_HEADER_PATH}")
          file(READ "${GMP_ARCH_HEADER_PATH}" GMP_ARCH_HEADER_CONTENT)
          string(REGEX MATCH "#define[ \t]+__GNU_MP_VERSION[ \t]+[0-9]+" GMP_VERSION_MAJOR_LINE "${GMP_ARCH_HEADER_CONTENT}")
          string(REGEX MATCH "#define[ \t]+__GNU_MP_VERSION_MINOR[ \t]+[0-9]+" GMP_VERSION_MINOR_LINE "${GMP_ARCH_HEADER_CONTENT}")
          string(REGEX MATCH "#define[ \t]+__GNU_MP_VERSION_PATCHLEVEL[ \t]+[0-9]+" GMP_VERSION_PATCH_LINE "${GMP_ARCH_HEADER_CONTENT}")
          if(GMP_VERSION_MAJOR_LINE)
            string(REGEX REPLACE ".*[ \t]+([0-9]+).*" "\\1" GMP_VERSION_MAJOR "${GMP_VERSION_MAJOR_LINE}")
          endif()
          if(GMP_VERSION_MINOR_LINE)
            string(REGEX REPLACE ".*[ \t]+([0-9]+).*" "\\1" GMP_VERSION_MINOR "${GMP_VERSION_MINOR_LINE}")
          endif()
          if(GMP_VERSION_PATCH_LINE)
            string(REGEX REPLACE ".*[ \t]+([0-9]+).*" "\\1" GMP_VERSION_PATCH "${GMP_VERSION_PATCH_LINE}")
          endif()
          if(GMP_VERSION_MAJOR AND GMP_VERSION_MINOR AND GMP_VERSION_PATCH)
            set(GMP_VERSION "${GMP_VERSION_MAJOR}.${GMP_VERSION_MINOR}.${GMP_VERSION_PATCH}")
            break()
          endif()
        endif()
      endforeach()
      if(GMP_VERSION)
        set(version_var ${GMP_VERSION})
      endif()
    elseif(${cgal_3rdparty_lib} STREQUAL "GLPK")
      set(GLPK_HEADER_PATH "${GLPK_INCLUDE_DIR}/glpk.h")
      if(EXISTS "${GLPK_HEADER_PATH}")
        file(READ "${GLPK_HEADER_PATH}" GLPK_HEADER_CONTENT)
        string(REGEX MATCH "#define[ \t]+GLP_MAJOR_VERSION[ \t]+[0-9]+" GLPK_VERSION_MAJOR_LINE "${GLPK_HEADER_CONTENT}")
        string(REGEX MATCH "#define[ \t]+GLP_MINOR_VERSION[ \t]+[0-9]+" GLPK_VERSION_MINOR_LINE "${GLPK_HEADER_CONTENT}")
        set(GLPK_VERSION_MAJOR "")
        set(GLPK_VERSION_MINOR "")
        if(GLPK_VERSION_MAJOR_LINE)
          string(REGEX REPLACE ".*[ \t]+([0-9]+).*" "\\1" GLPK_VERSION_MAJOR "${GLPK_VERSION_MAJOR_LINE}")
        endif()
        if(GLPK_VERSION_MINOR_LINE)
          string(REGEX REPLACE ".*[ \t]+([0-9]+).*" "\\1" GLPK_VERSION_MINOR "${GLPK_VERSION_MINOR_LINE}")
        endif()
        if(NOT GLPK_VERSION_MAJOR STREQUAL "" AND NOT GLPK_VERSION_MINOR STREQUAL "")
          set(GLPK_VERSION "${GLPK_VERSION_MAJOR}.${GLPK_VERSION_MINOR}")
          set(version_var ${GLPK_VERSION})
        endif()
      endif()
    elseif(${cgal_3rdparty_lib} STREQUAL "MPFR" OR ${cgal_3rdparty_lib} STREQUAL "METIS")
      set(header_name "")
      set(version_macros "")
      if(${cgal_3rdparty_lib} STREQUAL "MPFR")
        set(header_name "mpfr.h")
        set(version_macros "MPFR_VERSION_MAJOR;MPFR_VERSION_MINOR;MPFR_VERSION_PATCHLEVEL")
      elseif(${cgal_3rdparty_lib} STREQUAL "METIS")
        set(header_name "metis.h")
        set(version_macros "METIS_VER_MAJOR;METIS_VER_MINOR;METIS_VER_SUBMINOR")
      endif()

      find_path(INCLUDE_DIR
          NAMES ${header_name}
          PATHS ${${cgal_3rdparty_lib}_INCLUDE_DIRS}
          PATH_SUFFIXES ${cgal_3rdparty_lib}
      )

      if(INCLUDE_DIR)
        set(HEADER_PATH "${INCLUDE_DIR}/${header_name}")

        if(EXISTS ${HEADER_PATH})
          file(READ ${HEADER_PATH} HEADER_CONTENT)

          list(GET version_macros 0 major_macro)
          list(GET version_macros 1 minor_macro)
          list(GET version_macros 2 patchlevel_macro)

          string(REGEX MATCH "#define[ \t]+${major_macro}[ \t]+([0-9]+)" _major_match ${HEADER_CONTENT})
          string(REGEX MATCH "#define[ \t]+${minor_macro}[ \t]+([0-9]+)" _minor_match ${HEADER_CONTENT})
          string(REGEX MATCH "#define[ \t]+${patchlevel_macro}[ \t]+([0-9]+)" _patchlevel_match ${HEADER_CONTENT})

          string(REGEX REPLACE ".*#define[ \t]+${major_macro}[ \t]+([0-9]+).*" "\\1" VERSION_MAJOR ${_major_match})
          string(REGEX REPLACE ".*#define[ \t]+${minor_macro}[ \t]+([0-9]+).*" "\\1" VERSION_MINOR ${_minor_match})
          string(REGEX REPLACE ".*#define[ \t]+${patchlevel_macro}[ \t]+([0-9]+).*" "\\1" VERSION_PATCHLEVEL ${_patchlevel_match})

          set(version_var "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCHLEVEL}")
        endif()
      endif()
    elseif(DEFINED ${cgal_3rdparty_lib}_VERSION)
      set(version_var ${${cgal_3rdparty_lib}_VERSION})
    elseif(DEFINED ${cgal_3rdparty_lib}_VERSION_STRING)
      set(version_var ${${cgal_3rdparty_lib}_VERSION_STRING})
    endif()

    if(version_var)
      message(STATUS "Third-party library ${cgal_3rdparty_lib} ${version_var}")
    else()
      message(STATUS "Third-party library ${cgal_3rdparty_lib} found")
    endif()
  else()
    message(STATUS "Third-party library ${cgal_3rdparty_lib} not found")
  endif()
endfunction()

foreach(cgal_3rdparty_lib IN LISTS LIBRARIES_TO_CHECK)
  check_library(${cgal_3rdparty_lib})
endforeach()